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/****************************************************************************
**
** Copyright (C) 2018 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
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** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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#include <QtTest/QtTest>
#include <qscriptengine.h>
#include <qscriptengineagent.h>
#include <qscriptprogram.h>
#include <qscriptvalueiterator.h>
#include <qgraphicsitem.h>
#include <qstandarditemmodel.h>
#include <QtCore/qnumeric.h>
#include <stdlib.h>
#include <QtScript/private/qscriptdeclarativeclass_p.h>
#include "../shared/util.h"
Q_DECLARE_METATYPE(QList<int>)
Q_DECLARE_METATYPE(QObjectList)
Q_DECLARE_METATYPE(QScriptProgram)
class tst_QScriptEngine : public QObject
{
Q_OBJECT
public:
tst_QScriptEngine();
virtual ~tst_QScriptEngine();
private slots:
void constructWithParent();
void currentContext();
void pushPopContext();
void getSetDefaultPrototype_int();
void getSetDefaultPrototype_customType();
void newFunction();
void newFunctionWithArg();
void newFunctionWithProto();
void newObject();
void newArray();
void newArray_HooliganTask218092();
void newArray_HooliganTask233836();
void newVariant();
void newVariant_defaultPrototype();
void newVariant_promoteObject();
void newVariant_replaceValue();
void newVariant_valueOfToString();
void newVariant_promoteNonObject();
void newVariant_promoteNonQScriptObject();
void newRegExp();
void jsRegExp();
void newDate();
void jsParseDate();
void newQObject();
void newQObject_ownership();
void newQObject_promoteObject();
void newQObject_sameQObject();
void newQObject_defaultPrototype();
void newQObject_promoteNonObject();
void newQObject_promoteNonQScriptObject();
void newQMetaObject();
void newActivationObject();
void getSetGlobalObject();
void globalObjectProperties();
void globalObjectProperties_enumerate();
void createGlobalObjectProperty();
void globalObjectGetterSetterProperty();
void customGlobalObjectWithPrototype();
void globalObjectWithCustomPrototype();
void builtinFunctionNames_data();
void builtinFunctionNames();
void checkSyntax_data();
void checkSyntax();
void canEvaluate_data();
void canEvaluate();
void evaluate_data();
void evaluate();
void nestedEvaluate();
void uncaughtException();
void errorMessage_QT679();
void valueConversion_basic();
void valueConversion_customType();
void valueConversion_sequence();
void valueConversion_QVariant();
void valueConversion_hooliganTask248802();
void valueConversion_basic2();
void valueConversion_dateTime();
void valueConversion_regExp();
void valueConversion_long();
void qScriptValueFromValue_noEngine();
void importExtension();
void infiniteRecursion();
void castWithPrototypeChain();
void castWithMultipleInheritance();
void collectGarbage();
void reportAdditionalMemoryCost();
void gcWithNestedDataStructure();
void processEventsWhileRunning();
void throwErrorFromProcessEvents_data();
void throwErrorFromProcessEvents();
void disableProcessEventsInterval();
void stacktrace();
void stacktrace_callJSFromCpp_data();
void stacktrace_callJSFromCpp();
void numberParsing_data();
void numberParsing();
void automaticSemicolonInsertion();
void abortEvaluation_notEvaluating();
void abortEvaluation_data();
void abortEvaluation();
void abortEvaluation_tryCatch();
void abortEvaluation_fromNative();
void abortEvaluation_QTBUG9433();
void isEvaluating_notEvaluating();
void isEvaluating_fromNative();
void isEvaluating_fromEvent();
void printFunctionWithCustomHandler();
void printThrowsException();
void errorConstructors();
void argumentsProperty_globalContext();
void argumentsProperty_JS();
void argumentsProperty_evaluateInNativeFunction();
void jsNumberClass();
void jsForInStatement_simple();
void jsForInStatement_prototypeProperties();
void jsForInStatement_mutateWhileIterating();
void jsForInStatement_arrays();
void jsForInStatement_nullAndUndefined();
void jsFunctionDeclarationAsStatement();
void stringObjects();
void jsStringPrototypeReplaceBugs();
void getterSetterThisObject_global();
void getterSetterThisObject_plain();
void getterSetterThisObject_prototypeChain();
void getterSetterThisObject_activation();
void jsContinueInSwitch();
void jsShadowReadOnlyPrototypeProperty();
void toObject();
void jsReservedWords_data();
void jsReservedWords();
void jsFutureReservedWords_data();
void jsFutureReservedWords();
void jsThrowInsideWithStatement();
void getSetAgent_ownership();
void getSetAgent_deleteAgent();
void getSetAgent_differentEngine();
void reentrancy_stringHandles();
void reentrancy_processEventsInterval();
void reentrancy_typeConversion();
void reentrancy_globalObjectProperties();
void reentrancy_Array();
void reentrancy_objectCreation();
void jsIncDecNonObjectProperty();
void installTranslatorFunctions_data();
void installTranslatorFunctions();
void translateScript_data();
void translateScript();
void translateScript_crossScript();
void translateScript_callQsTrFromNative();
void translateScript_trNoOp();
void translateScript_callQsTrFromCpp();
void translateWithInvalidArgs_data();
void translateWithInvalidArgs();
void translationContext_data();
void translationContext();
void translateScriptIdBased();
void translateScriptUnicode_data();
void translateScriptUnicode();
void translateScriptUnicodeIdBased_data();
void translateScriptUnicodeIdBased();
void translateFromBuiltinCallback();
void functionScopes();
void nativeFunctionScopes();
void evaluateProgram();
void evaluateProgram_customScope();
void evaluateProgram_closure();
void evaluateProgram_executeLater();
void evaluateProgram_multipleEngines();
void evaluateProgram_empty();
void collectGarbageAfterConnect();
void collectGarbageAfterNativeArguments();
void promoteThisObjectToQObjectInConstructor();
void scriptValueFromQMetaObject();
void qRegExpInport_data();
void qRegExpInport();
void reentrency();
void newFixedStaticScopeObject();
void newGrowingStaticScopeObject();
void dateRoundtripJSQtJS();
void dateRoundtripQtJSQt();
void dateConversionJSQt();
void dateConversionQtJS();
void stringListFromArrayWithEmptyElement();
void collectQObjectWithCachedWrapper_data();
void collectQObjectWithCachedWrapper();
void pushContext_noInheritedScope();
};
tst_QScriptEngine::tst_QScriptEngine()
{
}
tst_QScriptEngine::~tst_QScriptEngine()
{
}
void tst_QScriptEngine::constructWithParent()
{
QPointer<QScriptEngine> ptr;
{
QObject obj;
QScriptEngine *engine = new QScriptEngine(&obj);
ptr = engine;
}
QVERIFY(ptr == 0);
}
void tst_QScriptEngine::currentContext()
{
QScriptEngine eng;
QScriptContext *globalCtx = eng.currentContext();
QVERIFY(globalCtx != 0);
QVERIFY(globalCtx->parentContext() == 0);
QCOMPARE(globalCtx->engine(), &eng);
QCOMPARE(globalCtx->argumentCount(), 0);
QCOMPARE(globalCtx->backtrace().size(), 1);
QVERIFY(!globalCtx->isCalledAsConstructor());
QVERIFY(!globalCtx->callee().isValid());
QCOMPARE(globalCtx->state(), QScriptContext::NormalState);
QVERIFY(globalCtx->thisObject().strictlyEquals(eng.globalObject()));
QVERIFY(globalCtx->activationObject().strictlyEquals(eng.globalObject()));
QVERIFY(globalCtx->argumentsObject().isObject());
}
void tst_QScriptEngine::pushPopContext()
{
QScriptEngine eng;
QScriptContext *globalCtx = eng.currentContext();
QScriptContext *ctx = eng.pushContext();
QVERIFY(ctx != 0);
QCOMPARE(ctx->parentContext(), globalCtx);
QVERIFY(!ctx->isCalledAsConstructor());
QVERIFY(!ctx->callee().isValid());
QVERIFY(ctx->thisObject().strictlyEquals(eng.globalObject()));
QCOMPARE(ctx->argumentCount(), 0);
QCOMPARE(ctx->backtrace().size(), 2);
QCOMPARE(ctx->engine(), &eng);
QCOMPARE(ctx->state(), QScriptContext::NormalState);
QVERIFY(ctx->activationObject().isObject());
QVERIFY(ctx->argumentsObject().isObject());
QScriptContext *ctx2 = eng.pushContext();
QVERIFY(ctx2 != 0);
QCOMPARE(ctx2->parentContext(), ctx);
QVERIFY(!ctx2->activationObject().strictlyEquals(ctx->activationObject()));
QVERIFY(!ctx2->argumentsObject().strictlyEquals(ctx->argumentsObject()));
eng.popContext();
eng.popContext();
QTest::ignoreMessage(QtWarningMsg, "QScriptEngine::popContext() doesn't match with pushContext()");
eng.popContext(); // ignored
QTest::ignoreMessage(QtWarningMsg, "QScriptEngine::popContext() doesn't match with pushContext()");
eng.popContext(); // ignored
}
static QScriptValue myFunction(QScriptContext *, QScriptEngine *eng)
{
return eng->nullValue();
}
static QScriptValue myFunctionWithVoidArg(QScriptContext *, QScriptEngine *eng, void *)
{
return eng->nullValue();
}
static QScriptValue myThrowingFunction(QScriptContext *ctx, QScriptEngine *)
{
return ctx->throwError("foo");
}
void tst_QScriptEngine::newFunction()
{
QScriptEngine eng;
{
QScriptValue fun = eng.newFunction(myFunction);
QCOMPARE(fun.isValid(), true);
QCOMPARE(fun.isFunction(), true);
QCOMPARE(fun.isObject(), true);
QCOMPARE(fun.scriptClass(), (QScriptClass*)0);
// a prototype property is automatically constructed
{
QScriptValue prot = fun.property("prototype", QScriptValue::ResolveLocal);
QVERIFY(prot.isObject());
QVERIFY(prot.property("constructor").strictlyEquals(fun));
QCOMPARE(fun.propertyFlags("prototype"), QScriptValue::Undeletable | QScriptValue::SkipInEnumeration);
QCOMPARE(prot.propertyFlags("constructor"), QScriptValue::SkipInEnumeration);
}
// prototype should be Function.prototype
QCOMPARE(fun.prototype().isValid(), true);
QCOMPARE(fun.prototype().isFunction(), true);
QCOMPARE(fun.prototype().strictlyEquals(eng.evaluate("Function.prototype")), true);
QCOMPARE(fun.call().isNull(), true);
QCOMPARE(fun.construct().isObject(), true);
}
}
void tst_QScriptEngine::newFunctionWithArg()
{
QScriptEngine eng;
{
QScriptValue fun = eng.newFunction(myFunctionWithVoidArg, (void*)this);
QVERIFY(fun.isFunction());
QCOMPARE(fun.scriptClass(), (QScriptClass*)0);
// a prototype property is automatically constructed
{
QScriptValue prot = fun.property("prototype", QScriptValue::ResolveLocal);
QVERIFY(prot.isObject());
QVERIFY(prot.property("constructor").strictlyEquals(fun));
QCOMPARE(fun.propertyFlags("prototype"), QScriptValue::Undeletable | QScriptValue::SkipInEnumeration);
QCOMPARE(prot.propertyFlags("constructor"), QScriptValue::SkipInEnumeration);
}
// prototype should be Function.prototype
QCOMPARE(fun.prototype().isValid(), true);
QCOMPARE(fun.prototype().isFunction(), true);
QCOMPARE(fun.prototype().strictlyEquals(eng.evaluate("Function.prototype")), true);
QCOMPARE(fun.call().isNull(), true);
QCOMPARE(fun.construct().isObject(), true);
}
}
void tst_QScriptEngine::newFunctionWithProto()
{
QScriptEngine eng;
{
QScriptValue proto = eng.newObject();
QScriptValue fun = eng.newFunction(myFunction, proto);
QCOMPARE(fun.isValid(), true);
QCOMPARE(fun.isFunction(), true);
QCOMPARE(fun.isObject(), true);
// internal prototype should be Function.prototype
QCOMPARE(fun.prototype().isValid(), true);
QCOMPARE(fun.prototype().isFunction(), true);
QCOMPARE(fun.prototype().strictlyEquals(eng.evaluate("Function.prototype")), true);
// public prototype should be the one we passed
QCOMPARE(fun.property("prototype").strictlyEquals(proto), true);
QCOMPARE(fun.propertyFlags("prototype"), QScriptValue::Undeletable | QScriptValue::SkipInEnumeration);
QCOMPARE(proto.property("constructor").strictlyEquals(fun), true);
QCOMPARE(proto.propertyFlags("constructor"), QScriptValue::SkipInEnumeration);
QCOMPARE(fun.call().isNull(), true);
QCOMPARE(fun.construct().isObject(), true);
}
}
void tst_QScriptEngine::newObject()
{
QScriptEngine eng;
QScriptValue object = eng.newObject();
QCOMPARE(object.isValid(), true);
QCOMPARE(object.isObject(), true);
QCOMPARE(object.isFunction(), false);
QCOMPARE(object.scriptClass(), (QScriptClass*)0);
// prototype should be Object.prototype
QCOMPARE(object.prototype().isValid(), true);
QCOMPARE(object.prototype().isObject(), true);
QCOMPARE(object.prototype().strictlyEquals(eng.evaluate("Object.prototype")), true);
}
void tst_QScriptEngine::newArray()
{
QScriptEngine eng;
QScriptValue array = eng.newArray();
QCOMPARE(array.isValid(), true);
QCOMPARE(array.isArray(), true);
QCOMPARE(array.isObject(), true);
QVERIFY(!array.isFunction());
QCOMPARE(array.scriptClass(), (QScriptClass*)0);
// prototype should be Array.prototype
QCOMPARE(array.prototype().isValid(), true);
QCOMPARE(array.prototype().isArray(), true);
QCOMPARE(array.prototype().strictlyEquals(eng.evaluate("Array.prototype")), true);
}
void tst_QScriptEngine::newArray_HooliganTask218092()
{
QScriptEngine eng;
{
QScriptValue ret = eng.evaluate("[].splice(0, 0, 'a')");
QVERIFY(ret.isArray());
QCOMPARE(ret.property("length").toInt32(), 0);
}
{
QScriptValue ret = eng.evaluate("['a'].splice(0, 1, 'b')");
QVERIFY(ret.isArray());
QCOMPARE(ret.property("length").toInt32(), 1);
}
{
QScriptValue ret = eng.evaluate("['a', 'b'].splice(0, 1, 'c')");
QVERIFY(ret.isArray());
QCOMPARE(ret.property("length").toInt32(), 1);
}
{
QScriptValue ret = eng.evaluate("['a', 'b', 'c'].splice(0, 2, 'd')");
QVERIFY(ret.isArray());
QCOMPARE(ret.property("length").toInt32(), 2);
}
{
QScriptValue ret = eng.evaluate("['a', 'b', 'c'].splice(1, 2, 'd', 'e', 'f')");
QVERIFY(ret.isArray());
QCOMPARE(ret.property("length").toInt32(), 2);
}
}
void tst_QScriptEngine::newArray_HooliganTask233836()
{
QScriptEngine eng;
{
// According to ECMA-262, this should cause a RangeError.
QScriptValue ret = eng.evaluate("a = new Array(4294967295); a.push('foo')");
QEXPECT_FAIL("", "ECMA compliance bug in Array.prototype.push: https://bugs.webkit.org/show_bug.cgi?id=55033", Continue);
QVERIFY(ret.isError() && ret.toString().contains(QLatin1String("RangeError")));
}
{
QScriptValue ret = eng.newArray(0xFFFFFFFF);
QCOMPARE(ret.property("length").toUInt32(), uint(0xFFFFFFFF));
ret.setProperty(0xFFFFFFFF, 123);
QCOMPARE(ret.property("length").toUInt32(), uint(0xFFFFFFFF));
QVERIFY(ret.property(0xFFFFFFFF).isNumber());
QCOMPARE(ret.property(0xFFFFFFFF).toInt32(), 123);
ret.setProperty(123, 456);
QCOMPARE(ret.property("length").toUInt32(), uint(0xFFFFFFFF));
QVERIFY(ret.property(123).isNumber());
QCOMPARE(ret.property(123).toInt32(), 456);
}
}
void tst_QScriptEngine::newVariant()
{
QScriptEngine eng;
{
QScriptValue opaque = eng.newVariant(QVariant());
QCOMPARE(opaque.isValid(), true);
QCOMPARE(opaque.isVariant(), true);
QVERIFY(!opaque.isFunction());
QCOMPARE(opaque.isObject(), true);
QCOMPARE(opaque.prototype().isValid(), true);
QCOMPARE(opaque.prototype().isVariant(), true);
QVERIFY(opaque.property("valueOf").call(opaque).isUndefined());
}
}
void tst_QScriptEngine::newVariant_defaultPrototype()
{
// default prototype should be set automatically
QScriptEngine eng;
{
QScriptValue proto = eng.newObject();
eng.setDefaultPrototype(qMetaTypeId<QString>(), proto);
QScriptValue ret = eng.newVariant(QVariant(QString::fromLatin1("hello")));
QVERIFY(ret.isVariant());
QCOMPARE(ret.scriptClass(), (QScriptClass*)0);
QVERIFY(ret.prototype().strictlyEquals(proto));
eng.setDefaultPrototype(qMetaTypeId<QString>(), QScriptValue());
QScriptValue ret2 = eng.newVariant(QVariant(QString::fromLatin1("hello")));
QVERIFY(ret2.isVariant());
QVERIFY(!ret2.prototype().strictlyEquals(proto));
}
}
void tst_QScriptEngine::newVariant_promoteObject()
{
// "promote" plain object to variant
QScriptEngine eng;
{
QScriptValue object = eng.newObject();
object.setProperty("foo", eng.newObject());
object.setProperty("bar", object.property("foo"));
QVERIFY(object.property("foo").isObject());
QVERIFY(!object.property("foo").isVariant());
QScriptValue originalProto = object.property("foo").prototype();
QScriptValue ret = eng.newVariant(object.property("foo"), QVariant(123));
QVERIFY(ret.isValid());
QVERIFY(ret.strictlyEquals(object.property("foo")));
QVERIFY(ret.isVariant());
QVERIFY(object.property("foo").isVariant());
QVERIFY(object.property("bar").isVariant());
QCOMPARE(ret.toVariant(), QVariant(123));
QVERIFY(ret.prototype().strictlyEquals(originalProto));
}
}
void tst_QScriptEngine::newVariant_replaceValue()
{
// replace value of existing object
QScriptEngine eng;
{
QScriptValue object = eng.newVariant(QVariant(123));
for (int x = 0; x < 2; ++x) {
QScriptValue ret = eng.newVariant(object, QVariant(456));
QVERIFY(ret.isValid());
QVERIFY(ret.strictlyEquals(object));
QVERIFY(ret.isVariant());
QCOMPARE(ret.toVariant(), QVariant(456));
}
}
}
void tst_QScriptEngine::newVariant_valueOfToString()
{
// valueOf() and toString()
QScriptEngine eng;
{
QScriptValue object = eng.newVariant(QVariant(123));
QScriptValue value = object.property("valueOf").call(object);
QVERIFY(value.isNumber());
QCOMPARE(value.toInt32(), 123);
QCOMPARE(object.toString(), QString::fromLatin1("123"));
QCOMPARE(object.toVariant().toString(), object.toString());
}
{
QScriptValue object = eng.newVariant(QVariant(QString::fromLatin1("hello")));
QScriptValue value = object.property("valueOf").call(object);
QVERIFY(value.isString());
QCOMPARE(value.toString(), QString::fromLatin1("hello"));
QCOMPARE(object.toString(), QString::fromLatin1("hello"));
QCOMPARE(object.toVariant().toString(), object.toString());
}
{
QScriptValue object = eng.newVariant(QVariant(false));
QScriptValue value = object.property("valueOf").call(object);
QVERIFY(value.isBoolean());
QCOMPARE(value.toBoolean(), false);
QCOMPARE(object.toString(), QString::fromLatin1("false"));
QCOMPARE(object.toVariant().toString(), object.toString());
}
{
QScriptValue object = eng.newVariant(QVariant(QPoint(10, 20)));
QScriptValue value = object.property("valueOf").call(object);
QVERIFY(value.isObject());
QVERIFY(value.strictlyEquals(object));
QCOMPARE(object.toString(), QString::fromLatin1("QVariant(QPoint)"));
}
}
void tst_QScriptEngine::newVariant_promoteNonObject()
{
QScriptEngine eng;
{
QVariant var(456);
QScriptValue ret = eng.newVariant(123, var);
QVERIFY(ret.isVariant());
QCOMPARE(ret.toVariant(), var);
}
}
void tst_QScriptEngine::newVariant_promoteNonQScriptObject()
{
QScriptEngine eng;
{
QTest::ignoreMessage(QtWarningMsg, "QScriptEngine::newVariant(): changing class of non-QScriptObject not supported");
QScriptValue ret = eng.newVariant(eng.newArray(), 123);
QVERIFY(!ret.isValid());
}
}
void tst_QScriptEngine::newRegExp()
{
QScriptEngine eng;
for (int x = 0; x < 2; ++x) {
QScriptValue rexp;
if (x == 0)
rexp = eng.newRegExp("foo", "bar");
else
rexp = eng.newRegExp(QRegExp("foo"));
QCOMPARE(rexp.isValid(), true);
QCOMPARE(rexp.isRegExp(), true);
QCOMPARE(rexp.isObject(), true);
QVERIFY(rexp.isFunction()); // in JSC, RegExp objects are callable
// prototype should be RegExp.prototype
QCOMPARE(rexp.prototype().isValid(), true);
QCOMPARE(rexp.prototype().isObject(), true);
QCOMPARE(rexp.prototype().isRegExp(), false);
QCOMPARE(rexp.prototype().strictlyEquals(eng.evaluate("RegExp.prototype")), true);
QCOMPARE(rexp.toRegExp().pattern(), QRegExp("foo").pattern());
}
}
void tst_QScriptEngine::jsRegExp()
{
// See ECMA-262 Section 15.10, "RegExp Objects".
// These should really be JS-only tests, as they test the implementation's
// ECMA-compliance, not the C++ API. Compliance should already be covered
// by the Mozilla tests (qscriptjstestsuite).
// We can consider updating the expected results of this test if the
// RegExp implementation changes.
QScriptEngine eng;
QScriptValue r = eng.evaluate("/foo/gim");
QVERIFY(r.isRegExp());
QCOMPARE(r.toString(), QString::fromLatin1("/foo/gim"));
QScriptValue rxCtor = eng.globalObject().property("RegExp");
QScriptValue r2 = rxCtor.call(QScriptValue(), QScriptValueList() << r);
QVERIFY(r2.isRegExp());
QVERIFY(r2.strictlyEquals(r));
QScriptValue r3 = rxCtor.call(QScriptValue(), QScriptValueList() << r << "gim");
QVERIFY(r3.isError());
QVERIFY(r3.toString().contains(QString::fromLatin1("TypeError"))); // Cannot supply flags when constructing one RegExp from another
QScriptValue r4 = rxCtor.call(QScriptValue(), QScriptValueList() << "foo" << "gim");
QVERIFY(r4.isRegExp());
QScriptValue r5 = rxCtor.construct(QScriptValueList() << r);
QVERIFY(r5.isRegExp());
QCOMPARE(r5.toString(), QString::fromLatin1("/foo/gim"));
// In JSC, constructing a RegExp from another produces the same identical object.
// This is different from SpiderMonkey and old back-end.
QEXPECT_FAIL("", "RegExp copy-constructor should return a new object: https://bugs.webkit.org/show_bug.cgi?id=55040", Continue);
QVERIFY(!r5.strictlyEquals(r));
QScriptValue r6 = rxCtor.construct(QScriptValueList() << "foo" << "bar");
QVERIFY(r6.isError());
QVERIFY(r6.toString().contains(QString::fromLatin1("SyntaxError"))); // Invalid regular expression flag
QScriptValue r7 = eng.evaluate("/foo/gimp");
QVERIFY(r7.isError());
QVERIFY(r7.toString().contains(QString::fromLatin1("SyntaxError"))); // Invalid regular expression flag
// JSC doesn't complain about duplicate flags.
QScriptValue r8 = eng.evaluate("/foo/migmigmig");
QVERIFY(r8.isRegExp());
QCOMPARE(r8.toString(), QString::fromLatin1("/foo/gim"));
QScriptValue r9 = rxCtor.construct();
QVERIFY(r9.isRegExp());
QCOMPARE(r9.toString(), QString::fromLatin1("/(?:)/"));
QScriptValue r10 = rxCtor.construct(QScriptValueList() << "" << "gim");
QVERIFY(r10.isRegExp());
QCOMPARE(r10.toString(), QString::fromLatin1("/(?:)/gim"));
QScriptValue r11 = rxCtor.construct(QScriptValueList() << "{1.*}" << "g");
QVERIFY(r11.isRegExp());
QCOMPARE(r11.toString(), QString::fromLatin1("/{1.*}/g"));
}
void tst_QScriptEngine::newDate()
{
QScriptEngine eng;
{
QScriptValue date = eng.newDate(0);
QCOMPARE(date.isValid(), true);
QCOMPARE(date.isDate(), true);
QCOMPARE(date.isObject(), true);
QVERIFY(!date.isFunction());
// prototype should be Date.prototype
QCOMPARE(date.prototype().isValid(), true);
QCOMPARE(date.prototype().isDate(), true);
QCOMPARE(date.prototype().strictlyEquals(eng.evaluate("Date.prototype")), true);
}
{
QDateTime dt = QDateTime(QDate(1, 2, 3), QTime(4, 5, 6, 7), Qt::LocalTime);
QScriptValue date = eng.newDate(dt);
QCOMPARE(date.isValid(), true);
QCOMPARE(date.isDate(), true);
QCOMPARE(date.isObject(), true);
// prototype should be Date.prototype
QCOMPARE(date.prototype().isValid(), true);
QCOMPARE(date.prototype().isDate(), true);
QCOMPARE(date.prototype().strictlyEquals(eng.evaluate("Date.prototype")), true);
QCOMPARE(date.toDateTime(), dt);
}
{
QDateTime dt = QDateTime(QDate(1, 2, 3), QTime(4, 5, 6, 7), Qt::UTC);
QScriptValue date = eng.newDate(dt);
// toDateTime() result should be in local time
QCOMPARE(date.toDateTime(), dt.toLocalTime());
}
}
void tst_QScriptEngine::jsParseDate()
{
QScriptEngine eng;
// Date.parse() should return NaN when it fails
{
QScriptValue ret = eng.evaluate("Date.parse()");
QVERIFY(ret.isNumber());
QVERIFY(qIsNaN(ret.toNumber()));
}
// Date.parse() should be able to parse the output of Date().toString()
#ifndef Q_WS_WIN // TODO: Test and remove this since 169701 has been fixed
{
QScriptValue ret = eng.evaluate("var x = new Date(); var s = x.toString(); s == new Date(Date.parse(s)).toString()");
QVERIFY(ret.isBoolean());
QCOMPARE(ret.toBoolean(), true);
}
#endif
}
void tst_QScriptEngine::newQObject()
{
QScriptEngine eng;
{
QScriptValue qobject = eng.newQObject(0);
QCOMPARE(qobject.isValid(), true);
QCOMPARE(qobject.isNull(), true);
QCOMPARE(qobject.isObject(), false);
QCOMPARE(qobject.toQObject(), (QObject *)0);
}
{
QScriptValue qobject = eng.newQObject(this);
QCOMPARE(qobject.isValid(), true);
QCOMPARE(qobject.isQObject(), true);
QCOMPARE(qobject.isObject(), true);
QCOMPARE(qobject.toQObject(), (QObject *)this);
QVERIFY(!qobject.isFunction());
// prototype should be QObject.prototype
QCOMPARE(qobject.prototype().isValid(), true);
QCOMPARE(qobject.prototype().isQObject(), true);
QCOMPARE(qobject.scriptClass(), (QScriptClass*)0);
}
}
void tst_QScriptEngine::newQObject_ownership()
{
QScriptEngine eng;
{
QPointer<QObject> ptr = new QObject();
QVERIFY(ptr != 0);
{
QScriptValue v = eng.newQObject(ptr, QScriptEngine::ScriptOwnership);
}
eng.evaluate("gc()");
if (ptr)
QEXPECT_FAIL("", "In the JSC-based back-end, script-owned QObjects are not always deleted immediately during GC", Continue);
QVERIFY(ptr == 0);
}
{
QPointer<QObject> ptr = new QObject();
QVERIFY(ptr != 0);
{
QScriptValue v = eng.newQObject(ptr, QScriptEngine::QtOwnership);
}
QObject *before = ptr;
eng.evaluate("gc()");
QVERIFY(ptr == before);
delete ptr;
}
{
QObject *parent = new QObject();
QObject *child = new QObject(parent);
QScriptValue v = eng.newQObject(child, QScriptEngine::QtOwnership);
QCOMPARE(v.toQObject(), child);
delete parent;
QCOMPARE(v.toQObject(), (QObject *)0);
}
{
QPointer<QObject> ptr = new QObject();
QVERIFY(ptr != 0);
{
QScriptValue v = eng.newQObject(ptr, QScriptEngine::AutoOwnership);
}
eng.evaluate("gc()");
// no parent, so it should be like ScriptOwnership
if (ptr)
QEXPECT_FAIL("", "In the JSC-based back-end, script-owned QObjects are not always deleted immediately during GC", Continue);
QVERIFY(ptr == 0);
}
{
QObject *parent = new QObject();
QPointer<QObject> child = new QObject(parent);
QVERIFY(child != 0);
{
QScriptValue v = eng.newQObject(child, QScriptEngine::AutoOwnership);
}
eng.evaluate("gc()");
// has parent, so it should be like QtOwnership
QVERIFY(child != 0);
delete parent;
}
}
void tst_QScriptEngine::newQObject_promoteObject()
{
QScriptEngine eng;
// "promote" plain object to QObject
{
QScriptValue obj = eng.newObject();
QScriptValue originalProto = obj.prototype();
QScriptValue ret = eng.newQObject(obj, this);
QVERIFY(ret.isValid());
QVERIFY(ret.isQObject());
QVERIFY(ret.strictlyEquals(obj));
QVERIFY(obj.isQObject());
QCOMPARE(ret.toQObject(), (QObject *)this);
QVERIFY(ret.prototype().strictlyEquals(originalProto));
QScriptValue val = ret.property("objectName");
QVERIFY(val.isString());
}
// "promote" variant object to QObject
{
QScriptValue obj = eng.newVariant(123);
QVERIFY(obj.isVariant());
QScriptValue originalProto = obj.prototype();
QScriptValue ret = eng.newQObject(obj, this);
QVERIFY(ret.isQObject());
QVERIFY(ret.strictlyEquals(obj));
QVERIFY(obj.isQObject());
QCOMPARE(ret.toQObject(), (QObject *)this);
QVERIFY(ret.prototype().strictlyEquals(originalProto));
}
// replace QObject* of existing object
{
QScriptValue object = eng.newVariant(123);
QScriptValue originalProto = object.prototype();
QObject otherQObject;
for (int x = 0; x < 2; ++x) {
QScriptValue ret = eng.newQObject(object, &otherQObject);
QVERIFY(ret.isValid());
QVERIFY(ret.isQObject());
QVERIFY(ret.strictlyEquals(object));
QCOMPARE(ret.toQObject(), (QObject *)&otherQObject);
QVERIFY(ret.prototype().strictlyEquals(originalProto));
}
}
}
void tst_QScriptEngine::newQObject_sameQObject()
{
QScriptEngine eng;
// calling newQObject() several times with same object
for (int x = 0; x < 2; ++x) {
QObject qobj;
// the default is to create a new wrapper object
QScriptValue obj1 = eng.newQObject(&qobj);
QScriptValue obj2 = eng.newQObject(&qobj);
QVERIFY(!obj2.strictlyEquals(obj1));
QScriptEngine::QObjectWrapOptions opt = 0;
bool preferExisting = (x != 0);
if (preferExisting)
opt |= QScriptEngine::PreferExistingWrapperObject;
QScriptValue obj3 = eng.newQObject(&qobj, QScriptEngine::AutoOwnership, opt);
QVERIFY(!obj3.strictlyEquals(obj2));
QScriptValue obj4 = eng.newQObject(&qobj, QScriptEngine::AutoOwnership, opt);
QCOMPARE(obj4.strictlyEquals(obj3), preferExisting);
QScriptValue obj5 = eng.newQObject(&qobj, QScriptEngine::ScriptOwnership, opt);
QVERIFY(!obj5.strictlyEquals(obj4));
QScriptValue obj6 = eng.newQObject(&qobj, QScriptEngine::ScriptOwnership, opt);
QCOMPARE(obj6.strictlyEquals(obj5), preferExisting);
QScriptValue obj7 = eng.newQObject(&qobj, QScriptEngine::ScriptOwnership,
QScriptEngine::ExcludeSuperClassMethods | opt);
QVERIFY(!obj7.strictlyEquals(obj6));
QScriptValue obj8 = eng.newQObject(&qobj, QScriptEngine::ScriptOwnership,
QScriptEngine::ExcludeSuperClassMethods | opt);
QCOMPARE(obj8.strictlyEquals(obj7), preferExisting);
}
}
void tst_QScriptEngine::newQObject_defaultPrototype()
{
QScriptEngine eng;
// newQObject() should set the default prototype, if one has been registered
{
QScriptValue oldQObjectProto = eng.defaultPrototype(qMetaTypeId<QObject*>());
QScriptValue qobjectProto = eng.newObject();
eng.setDefaultPrototype(qMetaTypeId<QObject*>(), qobjectProto);
{
QScriptValue ret = eng.newQObject(this);
QVERIFY(ret.prototype().equals(qobjectProto));
}
QScriptValue tstProto = eng.newObject();
int typeId = qRegisterMetaType<tst_QScriptEngine*>("tst_QScriptEngine*");
eng.setDefaultPrototype(typeId, tstProto);
{
QScriptValue ret = eng.newQObject(this);
QVERIFY(ret.prototype().equals(tstProto));
}
eng.setDefaultPrototype(qMetaTypeId<QObject*>(), oldQObjectProto);
eng.setDefaultPrototype(typeId, QScriptValue());
}
}
void tst_QScriptEngine::newQObject_promoteNonObject()
{
QScriptEngine eng;
{
QScriptValue ret = eng.newQObject(123, this);
QVERIFY(ret.isQObject());
QCOMPARE(ret.toQObject(), this);
}
}
void tst_QScriptEngine::newQObject_promoteNonQScriptObject()
{
QScriptEngine eng;
{
QTest::ignoreMessage(QtWarningMsg, "QScriptEngine::newQObject(): changing class of non-QScriptObject not supported");
QScriptValue ret = eng.newQObject(eng.newArray(), this);
QVERIFY(!ret.isValid());
}
}
QT_BEGIN_NAMESPACE
Q_SCRIPT_DECLARE_QMETAOBJECT(QObject, QObject*)
Q_SCRIPT_DECLARE_QMETAOBJECT(QWidget, QWidget*)
QT_END_NAMESPACE
static QScriptValue myConstructor(QScriptContext *ctx, QScriptEngine *eng)
{
QScriptValue obj;
if (ctx->isCalledAsConstructor()) {
obj = ctx->thisObject();
} else {
obj = eng->newObject();
obj.setPrototype(ctx->callee().property("prototype"));
}
obj.setProperty("isCalledAsConstructor", QScriptValue(eng, ctx->isCalledAsConstructor()));
return obj;
}
static QScriptValue instanceofJS(const QScriptValue &inst, const QScriptValue &ctor)
{
return inst.engine()->evaluate("(function(inst, ctor) { return inst instanceof ctor; })")
.call(QScriptValue(), QScriptValueList() << inst << ctor);
}
void tst_QScriptEngine::newQMetaObject()
{
QScriptEngine eng;
#if 0
QScriptValue qclass = eng.newQMetaObject<QObject>();
QScriptValue qclass2 = eng.newQMetaObject<QWidget>();
#else
QScriptValue qclass = qScriptValueFromQMetaObject<QObject>(&eng);
QScriptValue qclass2 = qScriptValueFromQMetaObject<QWidget>(&eng);
#endif
QCOMPARE(qclass.isValid(), true);
QCOMPARE(qclass.isQMetaObject(), true);
QCOMPARE(qclass.toQMetaObject(), &QObject::staticMetaObject);
QCOMPARE(qclass.isFunction(), true);
QVERIFY(qclass.property("prototype").isObject());
QCOMPARE(qclass2.isValid(), true);
QCOMPARE(qclass2.isQMetaObject(), true);
QCOMPARE(qclass2.toQMetaObject(), &QWidget::staticMetaObject);
QCOMPARE(qclass2.isFunction(), true);
QVERIFY(qclass2.property("prototype").isObject());
// prototype should be QMetaObject.prototype
QCOMPARE(qclass.prototype().isObject(), true);
QCOMPARE(qclass2.prototype().isObject(), true);
QScriptValue instance = qclass.construct();
QCOMPARE(instance.isQObject(), true);
QCOMPARE(instance.toQObject()->metaObject(), qclass.toQMetaObject());
QVERIFY(instance.instanceOf(qclass));
QVERIFY(instanceofJS(instance, qclass).strictlyEquals(true));
QScriptValue instance2 = qclass2.construct();
QCOMPARE(instance2.isQObject(), true);
QCOMPARE(instance2.toQObject()->metaObject(), qclass2.toQMetaObject());
QVERIFY(instance2.instanceOf(qclass2));
QVERIFY(instanceofJS(instance2, qclass2).strictlyEquals(true));
QVERIFY(!instance2.instanceOf(qclass));
QVERIFY(instanceofJS(instance2, qclass).strictlyEquals(false));
QScriptValueList args;
args << instance;
QScriptValue instance3 = qclass.construct(args);
QCOMPARE(instance3.isQObject(), true);
QCOMPARE(instance3.toQObject()->parent(), instance.toQObject());
QVERIFY(instance3.instanceOf(qclass));
QVERIFY(instanceofJS(instance3, qclass).strictlyEquals(true));
QVERIFY(!instance3.instanceOf(qclass2));
QVERIFY(instanceofJS(instance3, qclass2).strictlyEquals(false));
args.clear();
QPointer<QObject> qpointer1 = instance.toQObject();
QPointer<QObject> qpointer2 = instance2.toQObject();
QPointer<QObject> qpointer3 = instance3.toQObject();
QVERIFY(qpointer1);
QVERIFY(qpointer2);
QVERIFY(qpointer3);
// verify that AutoOwnership is in effect
instance = QScriptValue();
collectGarbage_helper(eng);
QVERIFY(!qpointer1);
QVERIFY(qpointer2);
QVERIFY(!qpointer3); // was child of instance
QVERIFY(instance.toQObject() == 0);
QVERIFY(instance3.toQObject() == 0); // was child of instance
QVERIFY(instance2.toQObject() != 0);
instance2 = QScriptValue();
collectGarbage_helper(eng);
QVERIFY(instance2.toQObject() == 0);
// with custom constructor
QScriptValue ctor = eng.newFunction(myConstructor);
QScriptValue qclass3 = eng.newQMetaObject(&QObject::staticMetaObject, ctor);
QVERIFY(qclass3.property("prototype").equals(ctor.property("prototype")));
{
QScriptValue ret = qclass3.call();
QVERIFY(ret.isObject());
QVERIFY(ret.property("isCalledAsConstructor").isBoolean());
QVERIFY(!ret.property("isCalledAsConstructor").toBoolean());
QVERIFY(ret.instanceOf(qclass3));
QVERIFY(instanceofJS(ret, qclass3).strictlyEquals(true));
QVERIFY(!ret.instanceOf(qclass));
QVERIFY(instanceofJS(ret, qclass).strictlyEquals(false));
}
{
QScriptValue ret = qclass3.construct();
QVERIFY(ret.isObject());
QVERIFY(ret.property("isCalledAsConstructor").isBoolean());
QVERIFY(ret.property("isCalledAsConstructor").toBoolean());
QVERIFY(ret.instanceOf(qclass3));
QVERIFY(instanceofJS(ret, qclass3).strictlyEquals(true));
QVERIFY(!ret.instanceOf(qclass2));
QVERIFY(instanceofJS(ret, qclass2).strictlyEquals(false));
}
// subclassing
qclass2.setProperty("prototype", qclass.construct());
QVERIFY(qclass2.construct().instanceOf(qclass));
QVERIFY(instanceofJS(qclass2.construct(), qclass).strictlyEquals(true));
// with meta-constructor
QScriptValue qclass4 = eng.newQMetaObject(&QObject::staticMetaObject);
{
QScriptValue inst = qclass4.construct();
QVERIFY(inst.isQObject());
QVERIFY(inst.toQObject() != 0);
QCOMPARE(inst.toQObject()->parent(), (QObject*)0);
QVERIFY(inst.instanceOf(qclass4));
QVERIFY(instanceofJS(inst, qclass4).strictlyEquals(true));
QVERIFY(!inst.instanceOf(qclass3));
QVERIFY(instanceofJS(inst, qclass3).strictlyEquals(false));
}
{
QScriptValue inst = qclass4.construct(QScriptValueList() << eng.newQObject(this));
QVERIFY(inst.isQObject());
QVERIFY(inst.toQObject() != 0);
QCOMPARE(inst.toQObject()->parent(), (QObject*)this);
QVERIFY(inst.instanceOf(qclass4));
QVERIFY(instanceofJS(inst, qclass4).strictlyEquals(true));
QVERIFY(!inst.instanceOf(qclass2));
QVERIFY(instanceofJS(inst, qclass2).strictlyEquals(false));
}
}
void tst_QScriptEngine::newActivationObject()
{
QSKIP("internal function not implemented in JSC-based back-end");
QScriptEngine eng;
QScriptValue act = eng.newActivationObject();
QEXPECT_FAIL("", "", Continue);
QCOMPARE(act.isValid(), true);
QEXPECT_FAIL("", "", Continue);
QCOMPARE(act.isObject(), true);
QVERIFY(!act.isFunction());
QScriptValue v(&eng, 123);
act.setProperty("prop", v);
QEXPECT_FAIL("", "", Continue);
QCOMPARE(act.property("prop").strictlyEquals(v), true);
QCOMPARE(act.scope().isValid(), false);
QEXPECT_FAIL("", "", Continue);
QVERIFY(act.prototype().isNull());
}
void tst_QScriptEngine::getSetGlobalObject()
{
QScriptEngine eng;
QScriptValue glob = eng.globalObject();
QCOMPARE(glob.isValid(), true);
QCOMPARE(glob.isObject(), true);
QVERIFY(!glob.isFunction());
QVERIFY(eng.currentContext()->thisObject().strictlyEquals(glob));
QVERIFY(eng.currentContext()->activationObject().strictlyEquals(glob));
QCOMPARE(glob.toString(), QString::fromLatin1("[object global]"));
// prototype should be Object.prototype
QCOMPARE(glob.prototype().isValid(), true);
QCOMPARE(glob.prototype().isObject(), true);
QCOMPARE(glob.prototype().strictlyEquals(eng.evaluate("Object.prototype")), true);
eng.setGlobalObject(glob);
QVERIFY(eng.globalObject().equals(glob));
eng.setGlobalObject(123);
QVERIFY(eng.globalObject().equals(glob));
QScriptValue obj = eng.newObject();
eng.setGlobalObject(obj);
QVERIFY(eng.globalObject().strictlyEquals(obj));
QVERIFY(eng.currentContext()->thisObject().strictlyEquals(obj));
QVERIFY(eng.currentContext()->activationObject().strictlyEquals(obj));
QVERIFY(eng.evaluate("this").strictlyEquals(obj));
QCOMPARE(eng.globalObject().toString(), QString::fromLatin1("[object Object]"));
glob = QScriptValue(); // kill reference to old global object
collectGarbage_helper(eng);
obj = eng.newObject();
eng.setGlobalObject(obj);
QVERIFY(eng.globalObject().strictlyEquals(obj));
QVERIFY(eng.currentContext()->thisObject().strictlyEquals(obj));
QVERIFY(eng.currentContext()->activationObject().strictlyEquals(obj));
collectGarbage_helper(eng);
QVERIFY(eng.globalObject().strictlyEquals(obj));
QVERIFY(eng.currentContext()->thisObject().strictlyEquals(obj));
QVERIFY(eng.currentContext()->activationObject().strictlyEquals(obj));
QVERIFY(!obj.property("foo").isValid());
eng.evaluate("var foo = 123");
{
QScriptValue ret = obj.property("foo");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 123);
}
QVERIFY(!obj.property("bar").isValid());
eng.evaluate("bar = 456");
{
QScriptValue ret = obj.property("bar");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 456);
}
QVERIFY(!obj.property("baz").isValid());
eng.evaluate("this['baz'] = 789");
{
QScriptValue ret = obj.property("baz");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 789);
}
{
QScriptValue ret = eng.evaluate("(function() { return this; })()");
QVERIFY(ret.strictlyEquals(obj));
}
// Delete property.
{
QScriptValue ret = eng.evaluate("delete foo");
QVERIFY(ret.isBool());
QVERIFY(ret.toBool());
QVERIFY(!obj.property("foo").isValid());
}
// Getter/setter property.
QVERIFY(eng.evaluate("this.__defineGetter__('oof', function() { return this.bar; })").isUndefined());
QVERIFY(eng.evaluate("this.__defineSetter__('oof', function(v) { this.bar = v; })").isUndefined());
QVERIFY(eng.evaluate("this.__lookupGetter__('oof')").isFunction());
QVERIFY(eng.evaluate("this.__lookupSetter__('oof')").isFunction());
eng.evaluate("oof = 123");
QVERIFY(eng.evaluate("oof").equals(obj.property("bar")));
// Enumeration.
{
QScriptValue ret = eng.evaluate("a = []; for (var p in this) a.push(p); a");
QCOMPARE(ret.toString(), QString::fromLatin1("bar,baz,oof,p,a"));
}
}
static QScriptValue getSetFoo(QScriptContext *ctx, QScriptEngine *)
{
if (ctx->argumentCount() > 0)
ctx->thisObject().setProperty("foo", ctx->argument(0));
return ctx->thisObject().property("foo");
}
void tst_QScriptEngine::globalObjectProperties()
{
// See ECMA-262 Section 15.1, "The Global Object".
QScriptEngine eng;
QScriptValue global = eng.globalObject();
QVERIFY(global.property("NaN").isNumber());
QVERIFY(qIsNaN(global.property("NaN").toNumber()));
QCOMPARE(global.propertyFlags("NaN"), QScriptValue::SkipInEnumeration | QScriptValue::Undeletable);
QVERIFY(global.property("Infinity").isNumber());
QVERIFY(qIsInf(global.property("Infinity").toNumber()));
QCOMPARE(global.propertyFlags("NaN"), QScriptValue::SkipInEnumeration | QScriptValue::Undeletable);
QVERIFY(global.property("undefined").isUndefined());
QCOMPARE(global.propertyFlags("undefined"), QScriptValue::SkipInEnumeration | QScriptValue::Undeletable);
QVERIFY(global.property("eval").isFunction());
QCOMPARE(global.propertyFlags("eval"), QScriptValue::SkipInEnumeration);
QVERIFY(global.property("parseInt").isFunction());
QCOMPARE(global.propertyFlags("parseInt"), QScriptValue::SkipInEnumeration);
QVERIFY(global.property("parseFloat").isFunction());
QCOMPARE(global.propertyFlags("parseFloat"), QScriptValue::SkipInEnumeration);
QVERIFY(global.property("isNaN").isFunction());
QCOMPARE(global.propertyFlags("isNaN"), QScriptValue::SkipInEnumeration);
QVERIFY(global.property("isFinite").isFunction());
QCOMPARE(global.propertyFlags("isFinite"), QScriptValue::SkipInEnumeration);
QVERIFY(global.property("decodeURI").isFunction());
QCOMPARE(global.propertyFlags("decodeURI"), QScriptValue::SkipInEnumeration);
QVERIFY(global.property("decodeURIComponent").isFunction());
QCOMPARE(global.propertyFlags("decodeURIComponent"), QScriptValue::SkipInEnumeration);
QVERIFY(global.property("encodeURI").isFunction());
QCOMPARE(global.propertyFlags("encodeURI"), QScriptValue::SkipInEnumeration);
QVERIFY(global.property("encodeURIComponent").isFunction());
QCOMPARE(global.propertyFlags("encodeURIComponent"), QScriptValue::SkipInEnumeration);
QVERIFY(global.property("Object").isFunction());
QCOMPARE(global.propertyFlags("Object"), QScriptValue::SkipInEnumeration);
QVERIFY(global.property("Function").isFunction());
QCOMPARE(global.propertyFlags("Function"), QScriptValue::SkipInEnumeration);
QVERIFY(global.property("Array").isFunction());
QCOMPARE(global.propertyFlags("Array"), QScriptValue::SkipInEnumeration);
QVERIFY(global.property("String").isFunction());
QCOMPARE(global.propertyFlags("String"), QScriptValue::SkipInEnumeration);
QVERIFY(global.property("Boolean").isFunction());
QCOMPARE(global.propertyFlags("Boolean"), QScriptValue::SkipInEnumeration);
QVERIFY(global.property("Number").isFunction());
QCOMPARE(global.propertyFlags("Number"), QScriptValue::SkipInEnumeration);
QVERIFY(global.property("Date").isFunction());
QCOMPARE(global.propertyFlags("Date"), QScriptValue::SkipInEnumeration);
QVERIFY(global.property("RegExp").isFunction());
QCOMPARE(global.propertyFlags("RegExp"), QScriptValue::SkipInEnumeration);
QVERIFY(global.property("Error").isFunction());
QCOMPARE(global.propertyFlags("Error"), QScriptValue::SkipInEnumeration);
QVERIFY(global.property("EvalError").isFunction());
QCOMPARE(global.propertyFlags("EvalError"), QScriptValue::SkipInEnumeration);
QVERIFY(global.property("RangeError").isFunction());
QCOMPARE(global.propertyFlags("RangeError"), QScriptValue::SkipInEnumeration);
QVERIFY(global.property("ReferenceError").isFunction());
QCOMPARE(global.propertyFlags("ReferenceError"), QScriptValue::SkipInEnumeration);
QVERIFY(global.property("SyntaxError").isFunction());
QCOMPARE(global.propertyFlags("SyntaxError"), QScriptValue::SkipInEnumeration);
QVERIFY(global.property("TypeError").isFunction());
QCOMPARE(global.propertyFlags("TypeError"), QScriptValue::SkipInEnumeration);
QVERIFY(global.property("URIError").isFunction());
QCOMPARE(global.propertyFlags("URIError"), QScriptValue::SkipInEnumeration);
QVERIFY(global.property("Math").isObject());
QVERIFY(!global.property("Math").isFunction());
QEXPECT_FAIL("", "[ECMA compliance] JSC sets DontDelete flag for Math object: https://bugs.webkit.org/show_bug.cgi?id=55034", Continue);
QCOMPARE(global.propertyFlags("Math"), QScriptValue::SkipInEnumeration);
}
void tst_QScriptEngine::globalObjectProperties_enumerate()
{
QScriptEngine eng;
QScriptValue global = eng.globalObject();
QSet<QString> expectedNames;
expectedNames
<< "isNaN"
<< "parseFloat"
<< "String"
<< "EvalError"
<< "URIError"
<< "Math"
<< "encodeURIComponent"
<< "RangeError"
<< "eval"
<< "isFinite"
<< "ReferenceError"
<< "Infinity"
<< "Function"
<< "RegExp"
<< "Number"
<< "parseInt"
<< "Object"
<< "decodeURI"
<< "TypeError"
<< "Boolean"
<< "encodeURI"
<< "NaN"
<< "Error"
<< "decodeURIComponent"
<< "Date"
<< "Array"
<< "escape"
<< "unescape"
<< "SyntaxError"
<< "undefined"
// non-standard
<< "gc"
<< "version"
<< "print"
// JavaScriptCore
<< "JSON"
;
QSet<QString> actualNames;
{
QScriptValueIterator it(global);
while (it.hasNext()) {
it.next();
actualNames.insert(it.name());
}
}
QSet<QString> remainingNames = actualNames;
{
QSet<QString>::const_iterator it;
for (it = expectedNames.constBegin(); it != expectedNames.constEnd(); ++it) {
QString name = *it;
QVERIFY(actualNames.contains(name));
remainingNames.remove(name);
}
}
QVERIFY(remainingNames.isEmpty());
}
void tst_QScriptEngine::createGlobalObjectProperty()
{
QScriptEngine eng;
QScriptValue global = eng.globalObject();
// create property with no attributes
{
QString name = QString::fromLatin1("foo");
QVERIFY(!global.property(name).isValid());
QScriptValue val(123);
global.setProperty(name, val);
QVERIFY(global.property(name).equals(val));
QVERIFY(global.propertyFlags(name) == 0);
global.setProperty(name, QScriptValue());
QVERIFY(!global.property(name).isValid());
}
// create property with attributes
{
QString name = QString::fromLatin1("bar");
QVERIFY(!global.property(name).isValid());
QScriptValue val(QString::fromLatin1("ciao"));
QScriptValue::PropertyFlags flags = QScriptValue::ReadOnly | QScriptValue::SkipInEnumeration;
global.setProperty(name, val, flags);
QVERIFY(global.property(name).equals(val));
QEXPECT_FAIL("", "QTBUG-6134: custom Global Object properties don't retain attributes", Continue);
QCOMPARE(global.propertyFlags(name), flags);
global.setProperty(name, QScriptValue());
QVERIFY(!global.property(name).isValid());
}
}
void tst_QScriptEngine::globalObjectGetterSetterProperty()
{
QScriptEngine engine;
QScriptValue global = engine.globalObject();
global.setProperty("bar", engine.newFunction(getSetFoo),
QScriptValue::PropertySetter | QScriptValue::PropertyGetter);
global.setProperty("foo", 123);
QVERIFY(global.property("bar").equals(global.property("foo")));
QVERIFY(engine.evaluate("bar").equals(global.property("foo")));
global.setProperty("bar", 456);
QVERIFY(global.property("bar").equals(global.property("foo")));
engine.evaluate("__defineGetter__('baz', function() { return 789; })");
QVERIFY(engine.evaluate("baz").equals(789));
QVERIFY(global.property("baz").equals(789));
}
void tst_QScriptEngine::customGlobalObjectWithPrototype()
{
for (int x = 0; x < 2; ++x) {
QScriptEngine engine;
QScriptValue wrap = engine.newObject();
QScriptValue global = engine.globalObject();
QScriptValue originalGlobalProto = global.prototype();
if (!x) {
// Set prototype before setting global object
wrap.setPrototype(global);
QVERIFY(wrap.prototype().strictlyEquals(global));
engine.setGlobalObject(wrap);
} else {
// Set prototype after setting global object
engine.setGlobalObject(wrap);
wrap.setPrototype(global);
QVERIFY(wrap.prototype().strictlyEquals(global));
}
{
QScriptValue ret = engine.evaluate("print");
QVERIFY(ret.isFunction());
QVERIFY(ret.strictlyEquals(wrap.property("print")));
}
{
QScriptValue ret = engine.evaluate("this.print");
QVERIFY(ret.isFunction());
QVERIFY(ret.strictlyEquals(wrap.property("print")));
}
{
QScriptValue ret = engine.evaluate("hasOwnProperty('print')");
QVERIFY(ret.isBool());
QVERIFY(!ret.toBool());
}
{
QScriptValue ret = engine.evaluate("this.hasOwnProperty('print')");
QVERIFY(ret.isBool());
QVERIFY(!ret.toBool());
}
QScriptValue anotherProto = engine.newObject();
anotherProto.setProperty("anotherProtoProperty", 123);
global.setPrototype(anotherProto);
{
QScriptValue ret = engine.evaluate("print");
QVERIFY(ret.isFunction());
QVERIFY(ret.strictlyEquals(wrap.property("print")));
}
{
QScriptValue ret = engine.evaluate("anotherProtoProperty");
QVERIFY(ret.isNumber());
QVERIFY(ret.strictlyEquals(wrap.property("anotherProtoProperty")));
}
{
QScriptValue ret = engine.evaluate("this.anotherProtoProperty");
QVERIFY(ret.isNumber());
QVERIFY(ret.strictlyEquals(wrap.property("anotherProtoProperty")));
}
wrap.setPrototype(anotherProto);
{
QScriptValue ret = engine.evaluate("print");
QVERIFY(ret.isError());
QCOMPARE(ret.toString(), QString::fromLatin1("ReferenceError: Can't find variable: print"));
}
{
QScriptValue ret = engine.evaluate("anotherProtoProperty");
QVERIFY(ret.isNumber());
QVERIFY(ret.strictlyEquals(wrap.property("anotherProtoProperty")));
}
QVERIFY(global.prototype().strictlyEquals(anotherProto));
global.setPrototype(originalGlobalProto);
engine.setGlobalObject(global);
{
QScriptValue ret = engine.evaluate("anotherProtoProperty");
QVERIFY(ret.isError());
QCOMPARE(ret.toString(), QString::fromLatin1("ReferenceError: Can't find variable: anotherProtoProperty"));
}
{
QScriptValue ret = engine.evaluate("print");
QVERIFY(ret.isFunction());
QVERIFY(ret.strictlyEquals(global.property("print")));
}
QVERIFY(!anotherProto.property("print").isValid());
}
}
void tst_QScriptEngine::globalObjectWithCustomPrototype()
{
QScriptEngine engine;
QScriptValue proto = engine.newObject();
proto.setProperty("protoProperty", 123);
QScriptValue global = engine.globalObject();
QScriptValue originalProto = global.prototype();
global.setPrototype(proto);
{
QScriptValue ret = engine.evaluate("protoProperty");
QVERIFY(ret.isNumber());
QVERIFY(ret.strictlyEquals(global.property("protoProperty")));
}
{
QScriptValue ret = engine.evaluate("this.protoProperty");
QVERIFY(ret.isNumber());
QVERIFY(ret.strictlyEquals(global.property("protoProperty")));
}
{
QScriptValue ret = engine.evaluate("hasOwnProperty('protoProperty')");
QVERIFY(ret.isBool());
QVERIFY(!ret.toBool());
}
{
QScriptValue ret = engine.evaluate("this.hasOwnProperty('protoProperty')");
QVERIFY(ret.isBool());
QVERIFY(!ret.toBool());
}
// Custom prototype set from JS
{
QScriptValue ret = engine.evaluate("this.__proto__ = { 'a': 123 }; a");
QVERIFY(ret.isNumber());
QEXPECT_FAIL("", "QTBUG-9737: Prototype change in JS not reflected on C++ side", Continue);
QVERIFY(ret.strictlyEquals(global.property("a")));
}
}
void tst_QScriptEngine::builtinFunctionNames_data()
{
QTest::addColumn<QString>("expression");
QTest::addColumn<QString>("expectedName");
// See ECMA-262 Chapter 15, "Standard Built-in ECMAScript Objects".
QTest::newRow("print") << QString("print") << QString("print"); // Qt Script extension.
QTest::newRow("parseInt") << QString("parseInt") << QString("parseInt");
QTest::newRow("parseFloat") << QString("parseFloat") << QString("parseFloat");
QTest::newRow("isNaN") << QString("isNaN") << QString("isNaN");
QTest::newRow("isFinite") << QString("isFinite") << QString("isFinite");
QTest::newRow("decodeURI") << QString("decodeURI") << QString("decodeURI");
QTest::newRow("decodeURIComponent") << QString("decodeURIComponent") << QString("decodeURIComponent");
QTest::newRow("encodeURI") << QString("encodeURI") << QString("encodeURI");
QTest::newRow("encodeURIComponent") << QString("encodeURIComponent") << QString("encodeURIComponent");
QTest::newRow("escape") << QString("escape") << QString("escape");
QTest::newRow("unescape") << QString("unescape") << QString("unescape");
QTest::newRow("version") << QString("version") << QString("version"); // Qt Script extension.
QTest::newRow("gc") << QString("gc") << QString("gc"); // Qt Script extension.
QTest::newRow("Array") << QString("Array") << QString("Array");
QTest::newRow("Array.prototype.toString") << QString("Array.prototype.toString") << QString("toString");
QTest::newRow("Array.prototype.toLocaleString") << QString("Array.prototype.toLocaleString") << QString("toLocaleString");
QTest::newRow("Array.prototype.concat") << QString("Array.prototype.concat") << QString("concat");
QTest::newRow("Array.prototype.join") << QString("Array.prototype.join") << QString("join");
QTest::newRow("Array.prototype.pop") << QString("Array.prototype.pop") << QString("pop");
QTest::newRow("Array.prototype.push") << QString("Array.prototype.push") << QString("push");
QTest::newRow("Array.prototype.reverse") << QString("Array.prototype.reverse") << QString("reverse");
QTest::newRow("Array.prototype.shift") << QString("Array.prototype.shift") << QString("shift");
QTest::newRow("Array.prototype.slice") << QString("Array.prototype.slice") << QString("slice");
QTest::newRow("Array.prototype.sort") << QString("Array.prototype.sort") << QString("sort");
QTest::newRow("Array.prototype.splice") << QString("Array.prototype.splice") << QString("splice");
QTest::newRow("Array.prototype.unshift") << QString("Array.prototype.unshift") << QString("unshift");
QTest::newRow("Boolean") << QString("Boolean") << QString("Boolean");
QTest::newRow("Boolean.prototype.toString") << QString("Boolean.prototype.toString") << QString("toString");
QTest::newRow("Date") << QString("Date") << QString("Date");
QTest::newRow("Date.prototype.toString") << QString("Date.prototype.toString") << QString("toString");
QTest::newRow("Date.prototype.toDateString") << QString("Date.prototype.toDateString") << QString("toDateString");
QTest::newRow("Date.prototype.toTimeString") << QString("Date.prototype.toTimeString") << QString("toTimeString");
QTest::newRow("Date.prototype.toLocaleString") << QString("Date.prototype.toLocaleString") << QString("toLocaleString");
QTest::newRow("Date.prototype.toLocaleDateString") << QString("Date.prototype.toLocaleDateString") << QString("toLocaleDateString");
QTest::newRow("Date.prototype.toLocaleTimeString") << QString("Date.prototype.toLocaleTimeString") << QString("toLocaleTimeString");
QTest::newRow("Date.prototype.valueOf") << QString("Date.prototype.valueOf") << QString("valueOf");
QTest::newRow("Date.prototype.getTime") << QString("Date.prototype.getTime") << QString("getTime");
QTest::newRow("Date.prototype.getYear") << QString("Date.prototype.getYear") << QString("getYear");
QTest::newRow("Date.prototype.getFullYear") << QString("Date.prototype.getFullYear") << QString("getFullYear");
QTest::newRow("Date.prototype.getUTCFullYear") << QString("Date.prototype.getUTCFullYear") << QString("getUTCFullYear");
QTest::newRow("Date.prototype.getMonth") << QString("Date.prototype.getMonth") << QString("getMonth");
QTest::newRow("Date.prototype.getUTCMonth") << QString("Date.prototype.getUTCMonth") << QString("getUTCMonth");
QTest::newRow("Date.prototype.getDate") << QString("Date.prototype.getDate") << QString("getDate");
QTest::newRow("Date.prototype.getUTCDate") << QString("Date.prototype.getUTCDate") << QString("getUTCDate");
QTest::newRow("Date.prototype.getDay") << QString("Date.prototype.getDay") << QString("getDay");
QTest::newRow("Date.prototype.getUTCDay") << QString("Date.prototype.getUTCDay") << QString("getUTCDay");
QTest::newRow("Date.prototype.getHours") << QString("Date.prototype.getHours") << QString("getHours");
QTest::newRow("Date.prototype.getUTCHours") << QString("Date.prototype.getUTCHours") << QString("getUTCHours");
QTest::newRow("Date.prototype.getMinutes") << QString("Date.prototype.getMinutes") << QString("getMinutes");
QTest::newRow("Date.prototype.getUTCMinutes") << QString("Date.prototype.getUTCMinutes") << QString("getUTCMinutes");
QTest::newRow("Date.prototype.getSeconds") << QString("Date.prototype.getSeconds") << QString("getSeconds");
QTest::newRow("Date.prototype.getUTCSeconds") << QString("Date.prototype.getUTCSeconds") << QString("getUTCSeconds");
QTest::newRow("Date.prototype.getMilliseconds") << QString("Date.prototype.getMilliseconds") << QString("getMilliseconds");
QTest::newRow("Date.prototype.getUTCMilliseconds") << QString("Date.prototype.getUTCMilliseconds") << QString("getUTCMilliseconds");
QTest::newRow("Date.prototype.getTimezoneOffset") << QString("Date.prototype.getTimezoneOffset") << QString("getTimezoneOffset");
QTest::newRow("Date.prototype.setTime") << QString("Date.prototype.setTime") << QString("setTime");
QTest::newRow("Date.prototype.setMilliseconds") << QString("Date.prototype.setMilliseconds") << QString("setMilliseconds");
QTest::newRow("Date.prototype.setUTCMilliseconds") << QString("Date.prototype.setUTCMilliseconds") << QString("setUTCMilliseconds");
QTest::newRow("Date.prototype.setSeconds") << QString("Date.prototype.setSeconds") << QString("setSeconds");
QTest::newRow("Date.prototype.setUTCSeconds") << QString("Date.prototype.setUTCSeconds") << QString("setUTCSeconds");
QTest::newRow("Date.prototype.setMinutes") << QString("Date.prototype.setMinutes") << QString("setMinutes");
QTest::newRow("Date.prototype.setUTCMinutes") << QString("Date.prototype.setUTCMinutes") << QString("setUTCMinutes");
QTest::newRow("Date.prototype.setHours") << QString("Date.prototype.setHours") << QString("setHours");
QTest::newRow("Date.prototype.setUTCHours") << QString("Date.prototype.setUTCHours") << QString("setUTCHours");
QTest::newRow("Date.prototype.setDate") << QString("Date.prototype.setDate") << QString("setDate");
QTest::newRow("Date.prototype.setUTCDate") << QString("Date.prototype.setUTCDate") << QString("setUTCDate");
QTest::newRow("Date.prototype.setMonth") << QString("Date.prototype.setMonth") << QString("setMonth");
QTest::newRow("Date.prototype.setUTCMonth") << QString("Date.prototype.setUTCMonth") << QString("setUTCMonth");
QTest::newRow("Date.prototype.setYear") << QString("Date.prototype.setYear") << QString("setYear");
QTest::newRow("Date.prototype.setFullYear") << QString("Date.prototype.setFullYear") << QString("setFullYear");
QTest::newRow("Date.prototype.setUTCFullYear") << QString("Date.prototype.setUTCFullYear") << QString("setUTCFullYear");
QTest::newRow("Date.prototype.toUTCString") << QString("Date.prototype.toUTCString") << QString("toUTCString");
QTest::newRow("Date.prototype.toGMTString") << QString("Date.prototype.toGMTString") << QString("toGMTString");
QTest::newRow("Error") << QString("Error") << QString("Error");
// QTest::newRow("Error.prototype.backtrace") << QString("Error.prototype.backtrace") << QString("backtrace");
QTest::newRow("Error.prototype.toString") << QString("Error.prototype.toString") << QString("toString");
QTest::newRow("EvalError") << QString("EvalError") << QString("EvalError");
QTest::newRow("RangeError") << QString("RangeError") << QString("RangeError");
QTest::newRow("ReferenceError") << QString("ReferenceError") << QString("ReferenceError");
QTest::newRow("SyntaxError") << QString("SyntaxError") << QString("SyntaxError");
QTest::newRow("TypeError") << QString("TypeError") << QString("TypeError");
QTest::newRow("URIError") << QString("URIError") << QString("URIError");
QTest::newRow("Function") << QString("Function") << QString("Function");
QTest::newRow("Function.prototype.toString") << QString("Function.prototype.toString") << QString("toString");
QTest::newRow("Function.prototype.apply") << QString("Function.prototype.apply") << QString("apply");
QTest::newRow("Function.prototype.call") << QString("Function.prototype.call") << QString("call");
QTest::newRow("Function.prototype.connect") << QString("Function.prototype.connect") << QString("connect");
QTest::newRow("Function.prototype.disconnect") << QString("Function.prototype.disconnect") << QString("disconnect");
QTest::newRow("Math.abs") << QString("Math.abs") << QString("abs");
QTest::newRow("Math.acos") << QString("Math.acos") << QString("acos");
QTest::newRow("Math.asin") << QString("Math.asin") << QString("asin");
QTest::newRow("Math.atan") << QString("Math.atan") << QString("atan");
QTest::newRow("Math.atan2") << QString("Math.atan2") << QString("atan2");
QTest::newRow("Math.ceil") << QString("Math.ceil") << QString("ceil");
QTest::newRow("Math.cos") << QString("Math.cos") << QString("cos");
QTest::newRow("Math.exp") << QString("Math.exp") << QString("exp");
QTest::newRow("Math.floor") << QString("Math.floor") << QString("floor");
QTest::newRow("Math.log") << QString("Math.log") << QString("log");
QTest::newRow("Math.max") << QString("Math.max") << QString("max");
QTest::newRow("Math.min") << QString("Math.min") << QString("min");
QTest::newRow("Math.pow") << QString("Math.pow") << QString("pow");
QTest::newRow("Math.random") << QString("Math.random") << QString("random");
QTest::newRow("Math.round") << QString("Math.round") << QString("round");
QTest::newRow("Math.sin") << QString("Math.sin") << QString("sin");
QTest::newRow("Math.sqrt") << QString("Math.sqrt") << QString("sqrt");
QTest::newRow("Math.tan") << QString("Math.tan") << QString("tan");
QTest::newRow("Number") << QString("Number") << QString("Number");
QTest::newRow("Number.prototype.toString") << QString("Number.prototype.toString") << QString("toString");
QTest::newRow("Number.prototype.toLocaleString") << QString("Number.prototype.toLocaleString") << QString("toLocaleString");
QTest::newRow("Number.prototype.valueOf") << QString("Number.prototype.valueOf") << QString("valueOf");
QTest::newRow("Number.prototype.toFixed") << QString("Number.prototype.toFixed") << QString("toFixed");
QTest::newRow("Number.prototype.toExponential") << QString("Number.prototype.toExponential") << QString("toExponential");
QTest::newRow("Number.prototype.toPrecision") << QString("Number.prototype.toPrecision") << QString("toPrecision");
QTest::newRow("Object") << QString("Object") << QString("Object");
QTest::newRow("Object.prototype.toString") << QString("Object.prototype.toString") << QString("toString");
QTest::newRow("Object.prototype.toLocaleString") << QString("Object.prototype.toLocaleString") << QString("toLocaleString");
QTest::newRow("Object.prototype.valueOf") << QString("Object.prototype.valueOf") << QString("valueOf");
QTest::newRow("Object.prototype.hasOwnProperty") << QString("Object.prototype.hasOwnProperty") << QString("hasOwnProperty");
QTest::newRow("Object.prototype.isPrototypeOf") << QString("Object.prototype.isPrototypeOf") << QString("isPrototypeOf");
QTest::newRow("Object.prototype.propertyIsEnumerable") << QString("Object.prototype.propertyIsEnumerable") << QString("propertyIsEnumerable");
QTest::newRow("Object.prototype.__defineGetter__") << QString("Object.prototype.__defineGetter__") << QString("__defineGetter__");
QTest::newRow("Object.prototype.__defineSetter__") << QString("Object.prototype.__defineSetter__") << QString("__defineSetter__");
QTest::newRow("RegExp") << QString("RegExp") << QString("RegExp");
QTest::newRow("RegExp.prototype.exec") << QString("RegExp.prototype.exec") << QString("exec");
QTest::newRow("RegExp.prototype.test") << QString("RegExp.prototype.test") << QString("test");
QTest::newRow("RegExp.prototype.toString") << QString("RegExp.prototype.toString") << QString("toString");
QTest::newRow("String") << QString("String") << QString("String");
QTest::newRow("String.prototype.toString") << QString("String.prototype.toString") << QString("toString");
QTest::newRow("String.prototype.valueOf") << QString("String.prototype.valueOf") << QString("valueOf");
QTest::newRow("String.prototype.charAt") << QString("String.prototype.charAt") << QString("charAt");
QTest::newRow("String.prototype.charCodeAt") << QString("String.prototype.charCodeAt") << QString("charCodeAt");
QTest::newRow("String.prototype.concat") << QString("String.prototype.concat") << QString("concat");
QTest::newRow("String.prototype.indexOf") << QString("String.prototype.indexOf") << QString("indexOf");
QTest::newRow("String.prototype.lastIndexOf") << QString("String.prototype.lastIndexOf") << QString("lastIndexOf");
QTest::newRow("String.prototype.localeCompare") << QString("String.prototype.localeCompare") << QString("localeCompare");
QTest::newRow("String.prototype.match") << QString("String.prototype.match") << QString("match");
QTest::newRow("String.prototype.replace") << QString("String.prototype.replace") << QString("replace");
QTest::newRow("String.prototype.search") << QString("String.prototype.search") << QString("search");
QTest::newRow("String.prototype.slice") << QString("String.prototype.slice") << QString("slice");
QTest::newRow("String.prototype.split") << QString("String.prototype.split") << QString("split");
QTest::newRow("String.prototype.substring") << QString("String.prototype.substring") << QString("substring");
QTest::newRow("String.prototype.toLowerCase") << QString("String.prototype.toLowerCase") << QString("toLowerCase");
QTest::newRow("String.prototype.toLocaleLowerCase") << QString("String.prototype.toLocaleLowerCase") << QString("toLocaleLowerCase");
QTest::newRow("String.prototype.toUpperCase") << QString("String.prototype.toUpperCase") << QString("toUpperCase");
QTest::newRow("String.prototype.toLocaleUpperCase") << QString("String.prototype.toLocaleUpperCase") << QString("toLocaleUpperCase");
}
void tst_QScriptEngine::builtinFunctionNames()
{
QFETCH(QString, expression);
QFETCH(QString, expectedName);
QScriptEngine eng;
// The "name" property is actually non-standard, but JSC supports it.
QScriptValue ret = eng.evaluate(QString::fromLatin1("%0.name").arg(expression));
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), expectedName);
}
void tst_QScriptEngine::checkSyntax_data()
{
QTest::addColumn<QString>("code");
QTest::addColumn<int>("expectedState");
QTest::addColumn<int>("errorLineNumber");
QTest::addColumn<int>("errorColumnNumber");
QTest::addColumn<QString>("errorMessage");
QTest::newRow("0")
<< QString("0") << int(QScriptSyntaxCheckResult::Valid)
<< -1 << -1 << "";
QTest::newRow("if (")
<< QString("if (\n") << int(QScriptSyntaxCheckResult::Intermediate)
<< 1 << 4 << "";
QTest::newRow("if else")
<< QString("\nif else") << int(QScriptSyntaxCheckResult::Error)
<< 2 << 4 << "Expected `('";
QTest::newRow("foo[")
<< QString("foo[") << int(QScriptSyntaxCheckResult::Error)
<< 1 << 4 << "";
QTest::newRow("foo['bar']")
<< QString("foo['bar']") << int(QScriptSyntaxCheckResult::Valid)
<< -1 << -1 << "";
QTest::newRow("/*")
<< QString("/*") << int(QScriptSyntaxCheckResult::Intermediate)
<< 1 << 1 << "Unclosed comment at end of file";
QTest::newRow("/*\nMy comment")
<< QString("/*\nMy comment") << int(QScriptSyntaxCheckResult::Intermediate)
<< 1 << 1 << "Unclosed comment at end of file";
QTest::newRow("/*\nMy comment */\nfoo = 10")
<< QString("/*\nMy comment */\nfoo = 10") << int(QScriptSyntaxCheckResult::Valid)
<< -1 << -1 << "";
QTest::newRow("foo = 10 /*")
<< QString("foo = 10 /*") << int(QScriptSyntaxCheckResult::Intermediate)
<< -1 << -1 << "";
QTest::newRow("foo = 10; /*")
<< QString("foo = 10; /*") << int(QScriptSyntaxCheckResult::Intermediate)
<< 1 << 11 << "Expected `end of file'";
QTest::newRow("foo = 10 /* My comment */")
<< QString("foo = 10 /* My comment */") << int(QScriptSyntaxCheckResult::Valid)
<< -1 << -1 << "";
QTest::newRow("/=/")
<< QString("/=/") << int(QScriptSyntaxCheckResult::Valid) << -1 << -1 << "";
QTest::newRow("/=/g")
<< QString("/=/g") << int(QScriptSyntaxCheckResult::Valid) << -1 << -1 << "";
QTest::newRow("/a/")
<< QString("/a/") << int(QScriptSyntaxCheckResult::Valid) << -1 << -1 << "";
QTest::newRow("/a/g")
<< QString("/a/g") << int(QScriptSyntaxCheckResult::Valid) << -1 << -1 << "";
}
void tst_QScriptEngine::checkSyntax()
{
QFETCH(QString, code);
QFETCH(int, expectedState);
QFETCH(int, errorLineNumber);
QFETCH(int, errorColumnNumber);
QFETCH(QString, errorMessage);
QScriptSyntaxCheckResult result = QScriptEngine::checkSyntax(code);
QCOMPARE(result.state(), QScriptSyntaxCheckResult::State(expectedState));
QCOMPARE(result.errorLineNumber(), errorLineNumber);
QCOMPARE(result.errorColumnNumber(), errorColumnNumber);
QCOMPARE(result.errorMessage(), errorMessage);
// assignment
{
QScriptSyntaxCheckResult copy = result;
QCOMPARE(copy.state(), result.state());
QCOMPARE(copy.errorLineNumber(), result.errorLineNumber());
QCOMPARE(copy.errorColumnNumber(), result.errorColumnNumber());
QCOMPARE(copy.errorMessage(), result.errorMessage());
}
{
QScriptSyntaxCheckResult copy(result);
QCOMPARE(copy.state(), result.state());
QCOMPARE(copy.errorLineNumber(), result.errorLineNumber());
QCOMPARE(copy.errorColumnNumber(), result.errorColumnNumber());
QCOMPARE(copy.errorMessage(), result.errorMessage());
}
}
void tst_QScriptEngine::canEvaluate_data()
{
QTest::addColumn<QString>("code");
QTest::addColumn<bool>("expectSuccess");
QTest::newRow("") << QString("") << true;
QTest::newRow("0") << QString("0") << true;
QTest::newRow("!") << QString("!\n") << false;
QTest::newRow("if (") << QString("if (\n") << false;
QTest::newRow("if (10) //") << QString("if (10) //\n") << false;
QTest::newRow("a = 1; if (") << QString("a = 1;\nif (\n") << false;
QTest::newRow("./test.js") << QString("./test.js\n") << true;
QTest::newRow("if (0) print(1)") << QString("if (0)\nprint(1)\n") << true;
QTest::newRow("0 = ") << QString("0 = \n") << false;
QTest::newRow("0 = 0") << QString("0 = 0\n") << true;
QTest::newRow("foo[") << QString("foo[") << true; // automatic semicolon will be inserted
QTest::newRow("foo[") << QString("foo[\n") << false;
QTest::newRow("foo['bar']") << QString("foo['bar']") << true;
QTest::newRow("/*") << QString("/*") << false;
QTest::newRow("/*\nMy comment") << QString("/*\nMy comment") << false;
QTest::newRow("/*\nMy comment */\nfoo = 10") << QString("/*\nMy comment */\nfoo = 10") << true;
QTest::newRow("foo = 10 /*") << QString("foo = 10 /*") << false;
QTest::newRow("foo = 10; /*") << QString("foo = 10; /*") << false;
QTest::newRow("foo = 10 /* My comment */") << QString("foo = 10 /* My comment */") << true;
QTest::newRow("/=/") << QString("/=/") << true;
QTest::newRow("/=/g") << QString("/=/g") << true;
QTest::newRow("/a/") << QString("/a/") << true;
QTest::newRow("/a/g") << QString("/a/g") << true;
}
void tst_QScriptEngine::canEvaluate()
{
QFETCH(QString, code);
QFETCH(bool, expectSuccess);
QScriptEngine eng;
QCOMPARE(eng.canEvaluate(code), expectSuccess);
}
void tst_QScriptEngine::evaluate_data()
{
QTest::addColumn<QString>("code");
QTest::addColumn<int>("lineNumber");
QTest::addColumn<bool>("expectHadError");
QTest::addColumn<int>("expectErrorLineNumber");
QTest::newRow("(newline)") << QString("\n") << -1 << false << -1;
QTest::newRow("0 //") << QString("0 //") << -1 << false << -1;
QTest::newRow("/* */") << QString("/* */") << -1 << false << -1;
QTest::newRow("//") << QString("//") << -1 << false << -1;
QTest::newRow("(spaces)") << QString(" ") << -1 << false << -1;
QTest::newRow("(empty)") << QString("") << -1 << false << -1;
QTest::newRow("0") << QString("0") << -1 << false << -1;
QTest::newRow("0=1") << QString("\n0=1;\n") << -1 << true << 2;
QTest::newRow("a=1") << QString("a=1\n") << -1 << false << -1;
QTest::newRow("a=1;K") << QString("a=1;\nK") << -1 << true << 2;
QTest::newRow("f()") << QString("function f()\n"
"{\n"
" var a;\n"
" var b=\";\n" // here's the error
"}\n"
"f();\n")
<< -1 << true << 4;
QTest::newRow("0") << QString("0") << 10 << false << -1;
QTest::newRow("0=1") << QString("\n\n0=1\n") << 10 << true << 13;
QTest::newRow("a=1") << QString("a=1\n") << 10 << false << -1;
QTest::newRow("a=1;K") << QString("a=1;\n\nK") << 10 << true << 12;
QTest::newRow("f()") << QString("function f()\n"
"{\n"
" var a;\n"
"\n\n"
" var b=\";\n" // here's the error
"}\n"
"f();\n")
<< 10 << true << 15;
QTest::newRow("functionThatDoesntExist()")
<< QString(";\n;\n;\nfunctionThatDoesntExist()")
<< -1 << true << 4;
QTest::newRow("for (var p in this) { continue labelThatDoesntExist; }")
<< QString("for (var p in this) {\ncontinue labelThatDoesntExist; }")
<< 4 << true << 5;
QTest::newRow("duplicateLabel: { duplicateLabel: ; }")
<< QString("duplicateLabel: { duplicateLabel: ; }")
<< 12 << true << 12;
QTest::newRow("/=/") << QString("/=/") << -1 << false << -1;
QTest::newRow("/=/g") << QString("/=/g") << -1 << false << -1;
QTest::newRow("/a/") << QString("/a/") << -1 << false << -1;
QTest::newRow("/a/g") << QString("/a/g") << -1 << false << -1;
QTest::newRow("/a/gim") << QString("/a/gim") << -1 << false << -1;
QTest::newRow("/a/gimp") << QString("/a/gimp") << 1 << true << 1;
}
void tst_QScriptEngine::evaluate()
{
QFETCH(QString, code);
QFETCH(int, lineNumber);
QFETCH(bool, expectHadError);
QFETCH(int, expectErrorLineNumber);
QScriptEngine eng;
QScriptValue ret;
if (lineNumber != -1)
ret = eng.evaluate(code, /*fileName =*/QString(), lineNumber);
else
ret = eng.evaluate(code);
QCOMPARE(eng.hasUncaughtException(), expectHadError);
QCOMPARE(eng.uncaughtExceptionLineNumber(), expectErrorLineNumber);
if (eng.hasUncaughtException() && ret.isError())
QVERIFY(ret.property("lineNumber").strictlyEquals(QScriptValue(&eng, expectErrorLineNumber)));
else
QVERIFY(eng.uncaughtExceptionBacktrace().isEmpty());
}
static QScriptValue eval_nested(QScriptContext *ctx, QScriptEngine *eng)
{
QScriptValue result = eng->newObject();
eng->evaluate("var bar = 'local';");
result.setProperty("thisObjectIdBefore", ctx->thisObject().property("id"));
QScriptValue evaluatedThisObject = eng->evaluate("this");
result.setProperty("thisObjectIdAfter", ctx->thisObject().property("id"));
result.setProperty("evaluatedThisObjectId", evaluatedThisObject.property("id"));
result.setProperty("local_bar", eng->evaluate("bar"));
return result;
}
// Tests that nested evaluate uses the "this" that was passed.
void tst_QScriptEngine::nestedEvaluate()
{
QScriptEngine eng;
QScriptValue fun = eng.newFunction(eval_nested);
eng.globalObject().setProperty("fun", fun);
// From JS function call
{
QScriptValue result = eng.evaluate("o = { id:'foo'}; o.fun = fun; o.fun()");
QCOMPARE(result.property("local_bar").toString(), QString("local"));
QCOMPARE(result.property("thisObjectIdBefore").toString(), QString("foo"));
QCOMPARE(result.property("thisObjectIdAfter").toString(), QString("foo"));
QCOMPARE(result.property("evaluatedThisObjectId").toString(), QString("foo"));
QScriptValue bar = eng.evaluate("bar"); // Was introduced in local scope.
QVERIFY(bar.isError());
QVERIFY(bar.toString().contains(QString::fromLatin1("ReferenceError")));
}
// From QScriptValue::call()
{
QScriptValue result = fun.call(eng.evaluate("p = { id:'foo' }") , QScriptValueList() );
QCOMPARE(result.property("local_bar").toString(), QString("local"));
QCOMPARE(result.property("thisObjectIdBefore").toString(), QString("foo"));
QCOMPARE(result.property("thisObjectIdAfter").toString(), QString("foo"));
QCOMPARE(result.property("evaluatedThisObjectId").toString(), QString("foo"));
QScriptValue bar = eng.evaluate("bar");
QVERIFY(bar.isError());
QVERIFY(bar.toString().contains(QString::fromLatin1("ReferenceError")));
}
}
void tst_QScriptEngine::uncaughtException()
{
QScriptEngine eng;
QScriptValue fun = eng.newFunction(myFunction);
QScriptValue throwFun = eng.newFunction(myThrowingFunction);
for (int x = -1; x < 2; ++x) {
{
QScriptValue ret = eng.evaluate("a = 10;\nb = 20;\n0 = 0;\n", /*fileName=*/QString(), /*lineNumber=*/x);
QVERIFY(eng.hasUncaughtException());
QCOMPARE(eng.uncaughtExceptionLineNumber(), x+2);
QVERIFY(eng.uncaughtException().strictlyEquals(ret));
(void)ret.toString();
QVERIFY(eng.hasUncaughtException());
QVERIFY(eng.uncaughtException().strictlyEquals(ret));
QVERIFY(fun.call().isNull());
QVERIFY(eng.hasUncaughtException());
QCOMPARE(eng.uncaughtExceptionLineNumber(), x+2);
QVERIFY(eng.uncaughtException().strictlyEquals(ret));
eng.clearExceptions();
QVERIFY(!eng.hasUncaughtException());
QCOMPARE(eng.uncaughtExceptionLineNumber(), -1);
QVERIFY(!eng.uncaughtException().isValid());
eng.evaluate("2 = 3");
QVERIFY(eng.hasUncaughtException());
QScriptValue ret2 = throwFun.call();
QVERIFY(ret2.isError());
QVERIFY(eng.hasUncaughtException());
QVERIFY(eng.uncaughtException().strictlyEquals(ret2));
QCOMPARE(eng.uncaughtExceptionLineNumber(), 0);
eng.clearExceptions();
QVERIFY(!eng.hasUncaughtException());
eng.evaluate("1 + 2");
QVERIFY(!eng.hasUncaughtException());
}
{
QScriptValue ret = eng.evaluate("a = 10");
QVERIFY(!eng.hasUncaughtException());
QVERIFY(!eng.uncaughtException().isValid());
}
{
QScriptValue ret = eng.evaluate("1 = 2");
QVERIFY(eng.hasUncaughtException());
eng.clearExceptions();
QVERIFY(!eng.hasUncaughtException());
}
{
eng.globalObject().setProperty("throwFun", throwFun);
eng.evaluate("1;\nthrowFun();");
QVERIFY(eng.hasUncaughtException());
QCOMPARE(eng.uncaughtExceptionLineNumber(), 2);
eng.clearExceptions();
QVERIFY(!eng.hasUncaughtException());
}
}
}
void tst_QScriptEngine::errorMessage_QT679()
{
QScriptEngine engine;
engine.globalObject().setProperty("foo", 15);
QScriptValue error = engine.evaluate("'hello world';\nfoo.bar.blah");
QVERIFY(error.isError());
// The exact message is back-end specific and subject to change.
QCOMPARE(error.toString(), QString::fromLatin1("TypeError: Result of expression 'foo.bar' [undefined] is not an object."));
}
struct Foo {
public:
int x, y;
Foo() : x(-1), y(-1) { }
};
Q_DECLARE_METATYPE(Foo)
Q_DECLARE_METATYPE(Foo*)
void tst_QScriptEngine::getSetDefaultPrototype_int()
{
QScriptEngine eng;
QScriptValue object = eng.newObject();
QCOMPARE(eng.defaultPrototype(qMetaTypeId<int>()).isValid(), false);
eng.setDefaultPrototype(qMetaTypeId<int>(), object);
QCOMPARE(eng.defaultPrototype(qMetaTypeId<int>()).strictlyEquals(object), true);
QScriptValue value = eng.newVariant(int(123));
QCOMPARE(value.prototype().isObject(), true);
QCOMPARE(value.prototype().strictlyEquals(object), true);
eng.setDefaultPrototype(qMetaTypeId<int>(), QScriptValue());
QCOMPARE(eng.defaultPrototype(qMetaTypeId<int>()).isValid(), false);
QScriptValue value2 = eng.newVariant(int(123));
QCOMPARE(value2.prototype().strictlyEquals(object), false);
}
void tst_QScriptEngine::getSetDefaultPrototype_customType()
{
QScriptEngine eng;
QScriptValue object = eng.newObject();
QCOMPARE(eng.defaultPrototype(qMetaTypeId<Foo>()).isValid(), false);
eng.setDefaultPrototype(qMetaTypeId<Foo>(), object);
QCOMPARE(eng.defaultPrototype(qMetaTypeId<Foo>()).strictlyEquals(object), true);
QScriptValue value = eng.newVariant(QVariant::fromValue(Foo()));
QCOMPARE(value.prototype().isObject(), true);
QCOMPARE(value.prototype().strictlyEquals(object), true);
eng.setDefaultPrototype(qMetaTypeId<Foo>(), QScriptValue());
QCOMPARE(eng.defaultPrototype(qMetaTypeId<Foo>()).isValid(), false);
QScriptValue value2 = eng.newVariant(QVariant::fromValue(Foo()));
QCOMPARE(value2.prototype().strictlyEquals(object), false);
}
static QScriptValue fooToScriptValue(QScriptEngine *eng, const Foo &foo)
{
QScriptValue obj = eng->newObject();
obj.setProperty("x", QScriptValue(eng, foo.x));
obj.setProperty("y", QScriptValue(eng, foo.y));
return obj;
}
static void fooFromScriptValue(const QScriptValue &value, Foo &foo)
{
foo.x = value.property("x").toInt32();
foo.y = value.property("y").toInt32();
}
static QScriptValue fooToScriptValueV2(QScriptEngine *eng, const Foo &foo)
{
return QScriptValue(eng, foo.x);
}
static void fooFromScriptValueV2(const QScriptValue &value, Foo &foo)
{
foo.x = value.toInt32();
}
Q_DECLARE_METATYPE(std::list<QString>)
Q_DECLARE_METATYPE(QList<Foo>)
Q_DECLARE_METATYPE(QVector<QChar>)
Q_DECLARE_METATYPE(QStack<int>)
Q_DECLARE_METATYPE(QQueue<char>)
Q_DECLARE_METATYPE(std::list<QStack<int> >)
void tst_QScriptEngine::valueConversion_basic()
{
QScriptEngine eng;
{
QScriptValue num = qScriptValueFromValue(&eng, 123);
QCOMPARE(num.isNumber(), true);
QCOMPARE(num.strictlyEquals(QScriptValue(&eng, 123)), true);
int inum = qScriptValueToValue<int>(num);
QCOMPARE(inum, 123);
QString snum = qScriptValueToValue<QString>(num);
QCOMPARE(snum, QLatin1String("123"));
}
{
QScriptValue num = eng.toScriptValue(123);
QCOMPARE(num.isNumber(), true);
QCOMPARE(num.strictlyEquals(QScriptValue(&eng, 123)), true);
int inum = eng.fromScriptValue<int>(num);
QCOMPARE(inum, 123);
QString snum = eng.fromScriptValue<QString>(num);
QCOMPARE(snum, QLatin1String("123"));
}
{
QScriptValue num(&eng, 123);
QCOMPARE(qScriptValueToValue<char>(num), char(123));
QCOMPARE(qScriptValueToValue<unsigned char>(num), (unsigned char)(123));
QCOMPARE(qScriptValueToValue<short>(num), short(123));
QCOMPARE(qScriptValueToValue<unsigned short>(num), (unsigned short)(123));
QCOMPARE(qScriptValueToValue<float>(num), float(123));
QCOMPARE(qScriptValueToValue<double>(num), double(123));
QCOMPARE(qScriptValueToValue<qlonglong>(num), qlonglong(123));
QCOMPARE(qScriptValueToValue<qulonglong>(num), qulonglong(123));
}
{
QScriptValue num(123);
QCOMPARE(qScriptValueToValue<char>(num), char(123));
QCOMPARE(qScriptValueToValue<unsigned char>(num), (unsigned char)(123));
QCOMPARE(qScriptValueToValue<short>(num), short(123));
QCOMPARE(qScriptValueToValue<unsigned short>(num), (unsigned short)(123));
QCOMPARE(qScriptValueToValue<float>(num), float(123));
QCOMPARE(qScriptValueToValue<double>(num), double(123));
QCOMPARE(qScriptValueToValue<qlonglong>(num), qlonglong(123));
QCOMPARE(qScriptValueToValue<qulonglong>(num), qulonglong(123));
}
{
QScriptValue num = qScriptValueFromValue(&eng, Q_INT64_C(0x100000000));
QCOMPARE(qScriptValueToValue<qlonglong>(num), Q_INT64_C(0x100000000));
QCOMPARE(qScriptValueToValue<qulonglong>(num), Q_UINT64_C(0x100000000));
}
{
QChar c = QLatin1Char('c');
QScriptValue str = QScriptValue(&eng, "ciao");
QCOMPARE(qScriptValueToValue<QChar>(str), c);
QScriptValue code = QScriptValue(&eng, c.unicode());
QCOMPARE(qScriptValueToValue<QChar>(code), c);
QCOMPARE(qScriptValueToValue<QChar>(qScriptValueFromValue(&eng, c)), c);
}
}
void tst_QScriptEngine::valueConversion_customType()
{
QScriptEngine eng;
{
// a type that we don't have built-in conversion of
// (it's stored as a variant)
QTime tm(1, 2, 3, 4);
QScriptValue val = qScriptValueFromValue(&eng, tm);
QCOMPARE(qScriptValueToValue<QTime>(val), tm);
}
{
Foo foo;
foo.x = 12;
foo.y = 34;
QScriptValue fooVal = qScriptValueFromValue(&eng, foo);
QCOMPARE(fooVal.isVariant(), true);
Foo foo2 = qScriptValueToValue<Foo>(fooVal);
QCOMPARE(foo2.x, foo.x);
QCOMPARE(foo2.y, foo.y);
}
qScriptRegisterMetaType<Foo>(&eng, fooToScriptValue, fooFromScriptValue);
{
Foo foo;
foo.x = 12;
foo.y = 34;
QScriptValue fooVal = qScriptValueFromValue(&eng, foo);
QCOMPARE(fooVal.isObject(), true);
QVERIFY(fooVal.prototype().strictlyEquals(eng.evaluate("Object.prototype")));
QCOMPARE(fooVal.property("x").strictlyEquals(QScriptValue(&eng, 12)), true);
QCOMPARE(fooVal.property("y").strictlyEquals(QScriptValue(&eng, 34)), true);
fooVal.setProperty("x", QScriptValue(&eng, 56));
fooVal.setProperty("y", QScriptValue(&eng, 78));
Foo foo2 = qScriptValueToValue<Foo>(fooVal);
QCOMPARE(foo2.x, 56);
QCOMPARE(foo2.y, 78);
QScriptValue fooProto = eng.newObject();
eng.setDefaultPrototype(qMetaTypeId<Foo>(), fooProto);
QScriptValue fooVal2 = qScriptValueFromValue(&eng, foo2);
QVERIFY(fooVal2.prototype().strictlyEquals(fooProto));
QVERIFY(fooVal2.property("x").strictlyEquals(QScriptValue(&eng, 56)));
QVERIFY(fooVal2.property("y").strictlyEquals(QScriptValue(&eng, 78)));
}
}
void tst_QScriptEngine::valueConversion_sequence()
{
QScriptEngine eng;
qScriptRegisterSequenceMetaType<std::list<QString> >(&eng);
{
std::list<QString> lst = {QLatin1String("foo"), QLatin1String("bar")};
QScriptValue lstVal = qScriptValueFromValue(&eng, lst);
QCOMPARE(lstVal.isArray(), true);
QCOMPARE(lstVal.property("length").toInt32(), 2);
QCOMPARE(lstVal.property("0").isString(), true);
QCOMPARE(lstVal.property("0").toString(), QLatin1String("foo"));
QCOMPARE(lstVal.property("1").isString(), true);
QCOMPARE(lstVal.property("1").toString(), QLatin1String("bar"));
}
qScriptRegisterSequenceMetaType<QList<Foo> >(&eng);
qScriptRegisterSequenceMetaType<QStack<int> >(&eng);
qScriptRegisterSequenceMetaType<QVector<QChar> >(&eng);
qScriptRegisterSequenceMetaType<QQueue<char> >(&eng);
qScriptRegisterSequenceMetaType<std::list<QStack<int> > >(&eng);
{
QStack<int> first; first << 13 << 49;
QStack<int> second; second << 99999;
std::list<QStack<int> > lst = {first, second};
QScriptValue lstVal = qScriptValueFromValue(&eng, lst);
QCOMPARE(lstVal.isArray(), true);
QCOMPARE(lstVal.property("length").toInt32(), 2);
QCOMPARE(lstVal.property("0").isArray(), true);
QCOMPARE(lstVal.property("0").property("length").toInt32(), 2);
QCOMPARE(lstVal.property("0").property("0").toInt32(), first.at(0));
QCOMPARE(lstVal.property("0").property("1").toInt32(), first.at(1));
QCOMPARE(lstVal.property("1").isArray(), true);
QCOMPARE(lstVal.property("1").property("length").toInt32(), 1);
QCOMPARE(lstVal.property("1").property("0").toInt32(), second.at(0));
QCOMPARE(qscriptvalue_cast<QStack<int> >(lstVal.property("0")), first);
QCOMPARE(qscriptvalue_cast<QStack<int> >(lstVal.property("1")), second);
QCOMPARE(qscriptvalue_cast<std::list<QStack<int> > >(lstVal), lst);
}
// pointers
{
Foo foo;
{
QScriptValue v = qScriptValueFromValue(&eng, &foo);
Foo *pfoo = qscriptvalue_cast<Foo*>(v);
QCOMPARE(pfoo, &foo);
}
{
Foo *pfoo = 0;
QScriptValue v = qScriptValueFromValue(&eng, pfoo);
QCOMPARE(v.isNull(), true);
QVERIFY(qscriptvalue_cast<Foo*>(v) == 0);
}
}
// QList<int> and QObjectList should be converted from/to arrays by default
{
QList<int> lst;
lst << 1 << 2 << 3;
QScriptValue val = qScriptValueFromValue(&eng, lst);
QVERIFY(val.isArray());
QCOMPARE(val.property("length").toInt32(), lst.size());
QCOMPARE(val.property(0).toInt32(), lst.at(0));
QCOMPARE(val.property(1).toInt32(), lst.at(1));
QCOMPARE(val.property(2).toInt32(), lst.at(2));
QCOMPARE(qscriptvalue_cast<QList<int> >(val), lst);
}
{
QObjectList lst;
lst << this;
QScriptValue val = qScriptValueFromValue(&eng, lst);
QVERIFY(val.isArray());
QCOMPARE(val.property("length").toInt32(), lst.size());
QCOMPARE(val.property(0).toQObject(), (QObject *)this);
QCOMPARE(qscriptvalue_cast<QObjectList>(val), lst);
}
}
void tst_QScriptEngine::valueConversion_QVariant()
{
QScriptEngine eng;
// qScriptValueFromValue() should be "smart" when the argument is a QVariant
{
QScriptValue val = qScriptValueFromValue(&eng, QVariant());
QVERIFY(!val.isVariant());
QVERIFY(val.isUndefined());
}
// Checking nested QVariants
{
QVariant tmp1;
QVariant tmp2(QMetaType::QVariant, &tmp1);
QVERIFY(QMetaType::Type(tmp2.type()) == QMetaType::QVariant);
QScriptValue val1 = qScriptValueFromValue(&eng, tmp1);
QScriptValue val2 = qScriptValueFromValue(&eng, tmp2);
QVERIFY(val1.isValid());
QVERIFY(val2.isValid());
QVERIFY(val1.isUndefined());
QVERIFY(!val2.isUndefined());
QVERIFY(!val1.isVariant());
QVERIFY(val2.isVariant());
}
{
QVariant tmp1(123);
QVariant tmp2(QMetaType::QVariant, &tmp1);
QVariant tmp3(QMetaType::QVariant, &tmp2);
QVERIFY(QMetaType::Type(tmp1.type()) == QMetaType::Int);
QVERIFY(QMetaType::Type(tmp2.type()) == QMetaType::QVariant);
QVERIFY(QMetaType::Type(tmp3.type()) == QMetaType::QVariant);
QScriptValue val1 = qScriptValueFromValue(&eng, tmp2);
QScriptValue val2 = qScriptValueFromValue(&eng, tmp3);
QVERIFY(val1.isValid());
QVERIFY(val2.isValid());
QVERIFY(val1.isVariant());
QVERIFY(val2.isVariant());
QVERIFY(val1.toVariant().toInt() == 123);
QVERIFY(qScriptValueFromValue(&eng, val2.toVariant()).toVariant().toInt() == 123);
}
{
QScriptValue val = qScriptValueFromValue(&eng, QVariant(true));
QVERIFY(!val.isVariant());
QVERIFY(val.isBoolean());
QCOMPARE(val.toBoolean(), true);
}
{
QScriptValue val = qScriptValueFromValue(&eng, QVariant(int(123)));
QVERIFY(!val.isVariant());
QVERIFY(val.isNumber());
QCOMPARE(val.toNumber(), qsreal(123));
}
{
QScriptValue val = qScriptValueFromValue(&eng, QVariant(qsreal(1.25)));
QVERIFY(!val.isVariant());
QVERIFY(val.isNumber());
QCOMPARE(val.toNumber(), qsreal(1.25));
}
{
QString str = QString::fromLatin1("ciao");
QScriptValue val = qScriptValueFromValue(&eng, QVariant(str));
QVERIFY(!val.isVariant());
QVERIFY(val.isString());
QCOMPARE(val.toString(), str);
}
{
QScriptValue val = qScriptValueFromValue(&eng, QVariant::fromValue((QObject*)this));
QVERIFY(!val.isVariant());
QVERIFY(val.isQObject());
QCOMPARE(val.toQObject(), (QObject*)this);
}
{
QVariant var = QVariant::fromValue(QPoint(123, 456));
QScriptValue val = qScriptValueFromValue(&eng, var);
QVERIFY(val.isVariant());
QCOMPARE(val.toVariant(), var);
}
QCOMPARE(qscriptvalue_cast<QVariant>(QScriptValue(123)), QVariant(123));
}
void tst_QScriptEngine::valueConversion_hooliganTask248802()
{
QScriptEngine eng;
qScriptRegisterMetaType<Foo>(&eng, fooToScriptValueV2, fooFromScriptValueV2);
{
QScriptValue num(&eng, 123);
Foo foo = qScriptValueToValue<Foo>(num);
QCOMPARE(foo.x, 123);
}
{
QScriptValue num(123);
Foo foo = qScriptValueToValue<Foo>(num);
QCOMPARE(foo.x, -1);
}
{
QScriptValue str(&eng, "123");
Foo foo = qScriptValueToValue<Foo>(str);
QCOMPARE(foo.x, 123);
}
}
void tst_QScriptEngine::valueConversion_basic2()
{
QScriptEngine eng;
// more built-in types
{
QScriptValue val = qScriptValueFromValue(&eng, uint(123));
QVERIFY(val.isNumber());
QCOMPARE(val.toInt32(), 123);
}
{
QScriptValue val = qScriptValueFromValue(&eng, qulonglong(123));
QVERIFY(val.isNumber());
QCOMPARE(val.toInt32(), 123);
}
{
QScriptValue val = qScriptValueFromValue(&eng, float(123));
QVERIFY(val.isNumber());
QCOMPARE(val.toInt32(), 123);
}
{
QScriptValue val = qScriptValueFromValue(&eng, short(123));
QVERIFY(val.isNumber());
QCOMPARE(val.toInt32(), 123);
}
{
QScriptValue val = qScriptValueFromValue(&eng, ushort(123));
QVERIFY(val.isNumber());
QCOMPARE(val.toInt32(), 123);
}
{
QScriptValue val = qScriptValueFromValue(&eng, char(123));
QVERIFY(val.isNumber());
QCOMPARE(val.toInt32(), 123);
}
{
QScriptValue val = qScriptValueFromValue(&eng, uchar(123));
QVERIFY(val.isNumber());
QCOMPARE(val.toInt32(), 123);
}
}
void tst_QScriptEngine::valueConversion_dateTime()
{
QScriptEngine eng;
{
QDateTime in = QDateTime::currentDateTime();
QScriptValue val = qScriptValueFromValue(&eng, in);
QVERIFY(val.isDate());
QCOMPARE(val.toDateTime(), in);
}
{
QDate in = QDate::currentDate();
QScriptValue val = qScriptValueFromValue(&eng, in);
QVERIFY(val.isDate());
QCOMPARE(val.toDateTime().date(), in);
}
}
void tst_QScriptEngine::valueConversion_regExp()
{
QScriptEngine eng;
{
QRegExp in = QRegExp("foo");
QScriptValue val = qScriptValueFromValue(&eng, in);
QVERIFY(val.isRegExp());
QRegExp out = val.toRegExp();
QEXPECT_FAIL("", "QTBUG-6136: JSC-based back-end doesn't preserve QRegExp::patternSyntax (always uses RegExp2)", Continue);
QCOMPARE(out.patternSyntax(), in.patternSyntax());
QCOMPARE(out.pattern(), in.pattern());
QCOMPARE(out.caseSensitivity(), in.caseSensitivity());
QCOMPARE(out.isMinimal(), in.isMinimal());
}
{
QRegExp in = QRegExp("foo", Qt::CaseSensitive, QRegExp::RegExp2);
QScriptValue val = qScriptValueFromValue(&eng, in);
QVERIFY(val.isRegExp());
QCOMPARE(val.toRegExp(), in);
}
{
QRegExp in = QRegExp("foo");
in.setMinimal(true);
QScriptValue val = qScriptValueFromValue(&eng, in);
QVERIFY(val.isRegExp());
QEXPECT_FAIL("", "QTBUG-6136: JSC-based back-end doesn't preserve QRegExp::minimal (always false)", Continue);
QCOMPARE(val.toRegExp().isMinimal(), in.isMinimal());
}
}
void tst_QScriptEngine::valueConversion_long()
{
QScriptEngine eng;
{
QScriptValue num(&eng, 123);
QCOMPARE(qscriptvalue_cast<long>(num), long(123));
QCOMPARE(qscriptvalue_cast<ulong>(num), ulong(123));
}
{
QScriptValue num(456);
QCOMPARE(qscriptvalue_cast<long>(num), long(456));
QCOMPARE(qscriptvalue_cast<ulong>(num), ulong(456));
}
{
QScriptValue str(&eng, "123");
QCOMPARE(qscriptvalue_cast<long>(str), long(123));
QCOMPARE(qscriptvalue_cast<ulong>(str), ulong(123));
}
{
QScriptValue str("456");
QCOMPARE(qscriptvalue_cast<long>(str), long(456));
QCOMPARE(qscriptvalue_cast<ulong>(str), ulong(456));
}
{
QScriptValue num = qScriptValueFromValue<long>(&eng, long(123));
QCOMPARE(num.toInt32(), 123);
}
{
QScriptValue num = qScriptValueFromValue<ulong>(&eng, ulong(456));
QCOMPARE(num.toInt32(), 456);
}
}
void tst_QScriptEngine::qScriptValueFromValue_noEngine()
{
QVERIFY(!qScriptValueFromValue(0, 123).isValid());
QVERIFY(!qScriptValueFromValue(0, QVariant(123)).isValid());
}
static QScriptValue __import__(QScriptContext *ctx, QScriptEngine *eng)
{
return eng->importExtension(ctx->argument(0).toString());
}
void tst_QScriptEngine::importExtension()
{
QStringList libPaths = QCoreApplication::instance()->libraryPaths();
QCoreApplication::instance()->setLibraryPaths(QStringList() << SRCDIR);
QStringList availableExtensions;
{
QScriptEngine eng;
QVERIFY(eng.importedExtensions().isEmpty());
QStringList ret = eng.availableExtensions();
QCOMPARE(ret.size(), 4);
QCOMPARE(ret.at(0), QString::fromLatin1("com"));
QCOMPARE(ret.at(1), QString::fromLatin1("com.trolltech"));
QCOMPARE(ret.at(2), QString::fromLatin1("com.trolltech.recursive"));
QCOMPARE(ret.at(3), QString::fromLatin1("com.trolltech.syntaxerror"));
availableExtensions = ret;
}
// try to import something that doesn't exist
{
QScriptEngine eng;
QScriptValue ret = eng.importExtension("this.extension.does.not.exist");
QCOMPARE(eng.hasUncaughtException(), true);
QCOMPARE(ret.isError(), true);
QCOMPARE(ret.toString(), QString::fromLatin1("Error: Unable to import this.extension.does.not.exist: no such extension"));
}
{
QScriptEngine eng;
for (int x = 0; x < 2; ++x) {
QCOMPARE(eng.globalObject().property("com").isValid(), x == 1);
QScriptValue ret = eng.importExtension("com.trolltech");
QCOMPARE(eng.hasUncaughtException(), false);
QCOMPARE(ret.isUndefined(), true);
QScriptValue com = eng.globalObject().property("com");
QCOMPARE(com.isObject(), true);
QCOMPARE(com.property("wasDefinedAlready")
.strictlyEquals(QScriptValue(&eng, false)), true);
QCOMPARE(com.property("name")
.strictlyEquals(QScriptValue(&eng, "com")), true);
QCOMPARE(com.property("level")
.strictlyEquals(QScriptValue(&eng, 1)), true);
QVERIFY(com.property("originalPostInit").isUndefined());
QVERIFY(com.property("postInitCallCount").strictlyEquals(1));
QScriptValue trolltech = com.property("trolltech");
QCOMPARE(trolltech.isObject(), true);
QCOMPARE(trolltech.property("wasDefinedAlready")
.strictlyEquals(QScriptValue(&eng, false)), true);
QCOMPARE(trolltech.property("name")
.strictlyEquals(QScriptValue(&eng, "com.trolltech")), true);
QCOMPARE(trolltech.property("level")
.strictlyEquals(QScriptValue(&eng, 2)), true);
QVERIFY(trolltech.property("originalPostInit").isUndefined());
QVERIFY(trolltech.property("postInitCallCount").strictlyEquals(1));
}
QStringList imp = eng.importedExtensions();
QCOMPARE(imp.size(), 2);
QCOMPARE(imp.at(0), QString::fromLatin1("com"));
QCOMPARE(imp.at(1), QString::fromLatin1("com.trolltech"));
QCOMPARE(eng.availableExtensions(), availableExtensions);
}
// recursive import should throw an error
{
QScriptEngine eng;
QVERIFY(eng.importedExtensions().isEmpty());
eng.globalObject().setProperty("__import__", eng.newFunction(__import__));
QScriptValue ret = eng.importExtension("com.trolltech.recursive");
QCOMPARE(eng.hasUncaughtException(), true);
QVERIFY(ret.isError());
QCOMPARE(ret.toString(), QString::fromLatin1("Error: recursive import of com.trolltech.recursive"));
QStringList imp = eng.importedExtensions();
QCOMPARE(imp.size(), 2);
QCOMPARE(imp.at(0), QString::fromLatin1("com"));
QCOMPARE(imp.at(1), QString::fromLatin1("com.trolltech"));
QCOMPARE(eng.availableExtensions(), availableExtensions);
}
{
QScriptEngine eng;
eng.globalObject().setProperty("__import__", eng.newFunction(__import__));
for (int x = 0; x < 2; ++x) {
if (x == 0)
QVERIFY(eng.importedExtensions().isEmpty());
QScriptValue ret = eng.importExtension("com.trolltech.syntaxerror");
QVERIFY(eng.hasUncaughtException());
QEXPECT_FAIL("", "JSC throws syntax error eagerly", Continue);
QCOMPARE(eng.uncaughtExceptionLineNumber(), 4);
QVERIFY(ret.isError());
QVERIFY(ret.toString().contains(QLatin1String("SyntaxError")));
}
QStringList imp = eng.importedExtensions();
QCOMPARE(imp.size(), 2);
QCOMPARE(imp.at(0), QString::fromLatin1("com"));
QCOMPARE(imp.at(1), QString::fromLatin1("com.trolltech"));
QCOMPARE(eng.availableExtensions(), availableExtensions);
}
QCoreApplication::instance()->setLibraryPaths(libPaths);
}
#if 0 //The native C++ stack overflow before the JS stack
static QScriptValue recurse(QScriptContext *ctx, QScriptEngine *eng)
{
Q_UNUSED(eng);
return ctx->callee().call();
}
static QScriptValue recurse2(QScriptContext *ctx, QScriptEngine *eng)
{
Q_UNUSED(eng);
return ctx->callee().construct();
}
#endif
void tst_QScriptEngine::infiniteRecursion()
{
// Infinite recursion in JS should cause the VM to throw an error
// when the JS stack is exhausted.
// The exact error is back-end specific and subject to change.
const QString stackOverflowError = QString::fromLatin1("RangeError: Maximum call stack size exceeded.");
QScriptEngine eng;
{
QScriptValue ret = eng.evaluate("function foo() { foo(); }; foo();");
QCOMPARE(ret.isError(), true);
QCOMPARE(ret.toString(), stackOverflowError);
}
#if 0 //The native C++ stack overflow before the JS stack
{
QScriptValue fun = eng.newFunction(recurse);
QScriptValue ret = fun.call();
QCOMPARE(ret.isError(), true);
QCOMPARE(ret.toString(), stackOverflowError);
}
{
QScriptValue fun = eng.newFunction(recurse2);
QScriptValue ret = fun.construct();
QCOMPARE(ret.isError(), true);
QCOMPARE(ret.toString(), stackOverflowError);
}
#endif
}
struct Bar {
int a;
};
struct Baz : public Bar {
int b;
};
Q_DECLARE_METATYPE(Bar*)
Q_DECLARE_METATYPE(Baz*)
Q_DECLARE_METATYPE(QGradient)
Q_DECLARE_METATYPE(QGradient*)
Q_DECLARE_METATYPE(QLinearGradient)
class Zoo : public QObject
{
Q_OBJECT
public:
Zoo() { }
public slots:
Baz *toBaz(Bar *b) { return reinterpret_cast<Baz*>(b); }
};
void tst_QScriptEngine::castWithPrototypeChain()
{
QScriptEngine eng;
Bar bar;
Baz baz;
QScriptValue barProto = qScriptValueFromValue(&eng, &bar);
QScriptValue bazProto = qScriptValueFromValue(&eng, &baz);
eng.setDefaultPrototype(qMetaTypeId<Bar*>(), barProto);
eng.setDefaultPrototype(qMetaTypeId<Baz*>(), bazProto);
Baz baz2;
baz2.a = 123;
baz2.b = 456;
QScriptValue baz2Value = qScriptValueFromValue(&eng, &baz2);
{
// qscriptvalue_cast() does magic; if the QScriptValue contains
// t of type T, and the target type is T*, &t is returned.
Baz *pbaz = qscriptvalue_cast<Baz*>(baz2Value);
QVERIFY(pbaz != 0);
QCOMPARE(pbaz->b, baz2.b);
Zoo zoo;
QScriptValue scriptZoo = eng.newQObject(&zoo);
QScriptValue toBaz = scriptZoo.property("toBaz");
QVERIFY(toBaz.isFunction());
// no relation between Bar and Baz's proto --> casting fails
{
Bar *pbar = qscriptvalue_cast<Bar*>(baz2Value);
QVERIFY(pbar == 0);
}
{
QScriptValue ret = toBaz.call(scriptZoo, QScriptValueList() << baz2Value);
QVERIFY(ret.isError());
QCOMPARE(ret.toString(), QLatin1String("TypeError: incompatible type of argument(s) in call to toBaz(); candidates were\n toBaz(Bar*)"));
}
// establish chain -- now casting should work
// Why? because qscriptvalue_cast() does magic again.
// It the instance itself is not of type T, qscriptvalue_cast()
// searches the prototype chain for T, and if it finds one, it infers
// that the instance can also be casted to that type. This cast is
// _not_ safe and thus relies on the developer doing the right thing.
// This is an undocumented feature to enable qscriptvalue_cast() to
// be used by prototype functions to cast the JS this-object to C++.
bazProto.setPrototype(barProto);
{
Bar *pbar = qscriptvalue_cast<Bar*>(baz2Value);
QVERIFY(pbar != 0);
QCOMPARE(pbar->a, baz2.a);
}
{
QScriptValue ret = toBaz.call(scriptZoo, QScriptValueList() << baz2Value);
QVERIFY(!ret.isError());
QCOMPARE(qscriptvalue_cast<Baz*>(ret), pbaz);
}
}
bazProto.setPrototype(barProto.prototype()); // kill chain
{
Baz *pbaz = qscriptvalue_cast<Baz*>(baz2Value);
QVERIFY(pbaz != 0);
// should not work anymore
Bar *pbar = qscriptvalue_cast<Bar*>(baz2Value);
QVERIFY(pbar == 0);
}
bazProto.setPrototype(eng.newQObject(this));
{
Baz *pbaz = qscriptvalue_cast<Baz*>(baz2Value);
QVERIFY(pbaz != 0);
// should not work now either
Bar *pbar = qscriptvalue_cast<Bar*>(baz2Value);
QVERIFY(pbar == 0);
}
{
QScriptValue b = qScriptValueFromValue(&eng, QBrush());
b.setPrototype(barProto);
// this shows that a "wrong" cast is possible, if you
// don't play by the rules (the pointer is actually a QBrush*)...
Bar *pbar = qscriptvalue_cast<Bar*>(b);
QVERIFY(pbar != 0);
}
{
QScriptValue gradientProto = qScriptValueFromValue(&eng, QGradient());
QScriptValue linearGradientProto = qScriptValueFromValue(&eng, QLinearGradient());
linearGradientProto.setPrototype(gradientProto);
QLinearGradient lg(10, 20, 30, 40);
QScriptValue linearGradient = qScriptValueFromValue(&eng, lg);
{
QGradient *pgrad = qscriptvalue_cast<QGradient*>(linearGradient);
QVERIFY(pgrad == 0);
}
linearGradient.setPrototype(linearGradientProto);
{
QGradient *pgrad = qscriptvalue_cast<QGradient*>(linearGradient);
QVERIFY(pgrad != 0);
QCOMPARE(pgrad->type(), QGradient::LinearGradient);
QLinearGradient *plingrad = static_cast<QLinearGradient*>(pgrad);
QCOMPARE(plingrad->start(), lg.start());
QCOMPARE(plingrad->finalStop(), lg.finalStop());
}
}
}
class Klazz : public QWidget,
public QStandardItem,
public QGraphicsItem
{
Q_OBJECT
public:
Klazz(QWidget *parent = 0) : QWidget(parent) { }
virtual QRectF boundingRect() const { return QRectF(); }
virtual void paint(QPainter*, const QStyleOptionGraphicsItem*, QWidget*) { }
};
Q_DECLARE_METATYPE(Klazz*)
Q_DECLARE_METATYPE(QStandardItem*)
void tst_QScriptEngine::castWithMultipleInheritance()
{
QScriptEngine eng;
Klazz klz;
QScriptValue v = eng.newQObject(&klz);
QCOMPARE(qscriptvalue_cast<Klazz*>(v), &klz);
QCOMPARE(qscriptvalue_cast<QWidget*>(v), (QWidget *)&klz);
QCOMPARE(qscriptvalue_cast<QObject*>(v), (QObject *)&klz);
QCOMPARE(qscriptvalue_cast<QStandardItem*>(v), (QStandardItem *)&klz);
QCOMPARE(qscriptvalue_cast<QGraphicsItem*>(v), (QGraphicsItem *)&klz);
}
void tst_QScriptEngine::collectGarbage()
{
QScriptEngine eng;
eng.evaluate("a = new Object(); a = new Object(); a = new Object()");
QScriptValue a = eng.newObject();
a = eng.newObject();
a = eng.newObject();
QPointer<QObject> ptr = new QObject();
QVERIFY(ptr != 0);
(void)eng.newQObject(ptr, QScriptEngine::ScriptOwnership);
collectGarbage_helper(eng);
QSKIP("This test does not work reliably"); // (maybe some pointers are still on the stack somewhere)
QVERIFY(ptr == 0);
}
void tst_QScriptEngine::reportAdditionalMemoryCost()
{
QScriptEngine eng;
// There isn't any reliable way to test whether calling
// this function affects garbage collection responsiveness;
// the best we can do is call it with a few different values.
for (int x = 0; x < 1000; ++x) {
eng.reportAdditionalMemoryCost(0);
eng.reportAdditionalMemoryCost(10);
eng.reportAdditionalMemoryCost(1000);
eng.reportAdditionalMemoryCost(10000);
eng.reportAdditionalMemoryCost(100000);
eng.reportAdditionalMemoryCost(1000000);
eng.reportAdditionalMemoryCost(10000000);
eng.reportAdditionalMemoryCost(-1);
eng.reportAdditionalMemoryCost(-1000);
QScriptValue obj = eng.newObject();
eng.collectGarbage();
}
}
void tst_QScriptEngine::gcWithNestedDataStructure()
{
// The GC must be able to traverse deeply nested objects, otherwise this
// test would crash.
QScriptEngine eng;
eng.evaluate(
"function makeList(size)"
"{"
" var head = { };"
" var l = head;"
" for (var i = 0; i < size; ++i) {"
" l.data = i + \"\";"
" l.next = { }; l = l.next;"
" }"
" l.next = null;"
" return head;"
"}");
QCOMPARE(eng.hasUncaughtException(), false);
const int size = 200;
QScriptValue head = eng.evaluate(QString::fromLatin1("makeList(%0)").arg(size));
QCOMPARE(eng.hasUncaughtException(), false);
for (int x = 0; x < 2; ++x) {
if (x == 1)
eng.evaluate("gc()");
QScriptValue l = head;
// Make sure all the nodes are still alive.
for (int i = 0; i < 200; ++i) {
QCOMPARE(l.property("data").toString(), QString::number(i));
l = l.property("next");
}
}
}
class EventReceiver : public QObject
{
public:
EventReceiver() {
received = false;
}
bool event(QEvent *e) {
received |= (e->type() == QEvent::User + 1);
return QObject::event(e);
}
bool received;
};
void tst_QScriptEngine::processEventsWhileRunning()
{
for (int x = 0; x < 2; ++x) {
QScriptEngine eng;
if (x == 0)
eng.pushContext();
// This is running for a silly amount of time just to make sure
// the script doesn't finish before event processing is triggered.
QString script = QString::fromLatin1(
"var end = Number(new Date()) + 2000;"
"var x = 0;"
"while (Number(new Date()) < end) {"
" ++x;"
"}");
EventReceiver receiver;
QCoreApplication::postEvent(&receiver, new QEvent(QEvent::Type(QEvent::User+1)));
eng.evaluate(script);
QVERIFY(!eng.hasUncaughtException());
QVERIFY(!receiver.received);
QCOMPARE(eng.processEventsInterval(), -1);
eng.setProcessEventsInterval(100);
eng.evaluate(script);
QVERIFY(!eng.hasUncaughtException());
QVERIFY(receiver.received);
if (x == 0)
eng.popContext();
}
}
class EventReceiver2 : public QObject
{
public:
EventReceiver2(QScriptEngine *eng) {
engine = eng;
}
bool event(QEvent *e) {
if (e->type() == QEvent::User + 1) {
engine->currentContext()->throwError("Killed");
}
return QObject::event(e);
}
QScriptEngine *engine;
};
void tst_QScriptEngine::throwErrorFromProcessEvents_data()
{
QTest::addColumn<QString>("script");
QTest::addColumn<QString>("error");
QTest::newRow("while (1)")
<< QString::fromLatin1("while (1) { }")
<< QString::fromLatin1("Error: Killed");
QTest::newRow("while (1) i++")
<< QString::fromLatin1("i = 0; while (1) { i++; }")
<< QString::fromLatin1("Error: Killed");
// Unlike abortEvaluation(), scripts should be able to catch the
// exception.
QTest::newRow("try catch")
<< QString::fromLatin1("try {"
" while (1) { }"
"} catch(e) {"
" throw new Error('Caught');"
"}")
<< QString::fromLatin1("Error: Caught");
}
void tst_QScriptEngine::throwErrorFromProcessEvents()
{
QFETCH(QString, script);
QFETCH(QString, error);
QScriptEngine eng;
EventReceiver2 receiver(&eng);
QCoreApplication::postEvent(&receiver, new QEvent(QEvent::Type(QEvent::User+1)));
eng.setProcessEventsInterval(100);
QScriptValue ret = eng.evaluate(script);
QVERIFY(ret.isError());
QCOMPARE(ret.toString(), error);
}
void tst_QScriptEngine::disableProcessEventsInterval()
{
QScriptEngine eng;
eng.setProcessEventsInterval(100);
QCOMPARE(eng.processEventsInterval(), 100);
eng.setProcessEventsInterval(0);
QCOMPARE(eng.processEventsInterval(), 0);
eng.setProcessEventsInterval(-1);
QCOMPARE(eng.processEventsInterval(), -1);
eng.setProcessEventsInterval(-100);
QCOMPARE(eng.processEventsInterval(), -100);
}
void tst_QScriptEngine::stacktrace()
{
QString script = QString::fromLatin1(
"function foo(counter) {\n"
" switch (counter) {\n"
" case 0: foo(counter+1); break;\n"
" case 1: foo(counter+1); break;\n"
" case 2: foo(counter+1); break;\n"
" case 3: foo(counter+1); break;\n"
" case 4: foo(counter+1); break;\n"
" default:\n"
" throw new Error('blah');\n"
" }\n"
"}\n"
"foo(0);");
const QString fileName("testfile");
QStringList backtrace;
backtrace << "foo(counter = 5) at testfile:9"
<< "foo(counter = 4) at testfile:7"
<< "foo(counter = 3) at testfile:6"
<< "foo(counter = 2) at testfile:5"
<< "foo(counter = 1) at testfile:4"
<< "foo(counter = 0) at testfile:3"
<< "<global>() at testfile:12";
QScriptEngine eng;
QScriptValue result = eng.evaluate(script, fileName);
QVERIFY(eng.hasUncaughtException());
QVERIFY(result.isError());
QCOMPARE(eng.uncaughtExceptionBacktrace(), backtrace);
QVERIFY(eng.hasUncaughtException());
QVERIFY(result.strictlyEquals(eng.uncaughtException()));
QCOMPARE(result.property("fileName").toString(), fileName);
QCOMPARE(result.property("lineNumber").toInt32(), 9);
// throw something that isn't an Error object
eng.clearExceptions();
QVERIFY(eng.uncaughtExceptionBacktrace().isEmpty());
QString script2 = QString::fromLatin1(
"function foo(counter) {\n"
" switch (counter) {\n"
" case 0: foo(counter+1); break;\n"
" case 1: foo(counter+1); break;\n"
" case 2: foo(counter+1); break;\n"
" case 3: foo(counter+1); break;\n"
" case 4: foo(counter+1); break;\n"
" default:\n"
" throw 'just a string';\n"
" }\n"
"}\n"
"foo(0);");
QScriptValue result2 = eng.evaluate(script2, fileName);
QVERIFY(eng.hasUncaughtException());
QVERIFY(!result2.isError());
QVERIFY(result2.isString());
QCOMPARE(eng.uncaughtExceptionBacktrace(), backtrace);
QVERIFY(eng.hasUncaughtException());
eng.clearExceptions();
QVERIFY(!eng.hasUncaughtException());
QVERIFY(eng.uncaughtExceptionBacktrace().isEmpty());
}
void tst_QScriptEngine::stacktrace_callJSFromCpp_data()
{
QTest::addColumn<QString>("callbackExpression");
QTest::newRow("explicit throw") << QString::fromLatin1("throw new Error('callback threw')");
QTest::newRow("reference error") << QString::fromLatin1("noSuchFunction()");
}
// QTBUG-26889
void tst_QScriptEngine::stacktrace_callJSFromCpp()
{
struct CallbackCaller {
static QScriptValue call(QScriptContext *, QScriptEngine *eng)
{ return eng->globalObject().property(QStringLiteral("callback")).call(); }
};
QFETCH(QString, callbackExpression);
QString script = QString::fromLatin1(
"function callback() {\n"
" %0\n"
"}\n"
"callCallbackFromCpp()").arg(callbackExpression);
QScriptEngine eng;
eng.globalObject().setProperty(QStringLiteral("callCallbackFromCpp"),
eng.newFunction(&CallbackCaller::call));
eng.evaluate(script, QStringLiteral("test.js"));
QVERIFY(eng.hasUncaughtException());
QCOMPARE(eng.uncaughtExceptionLineNumber(), 2);
QStringList expectedBacktrace;
expectedBacktrace << QStringLiteral("callback() at test.js:2")
<< QStringLiteral("<native>() at -1")
<< QStringLiteral("<global>() at test.js:4");
QCOMPARE(eng.uncaughtExceptionBacktrace(), expectedBacktrace);
}
void tst_QScriptEngine::numberParsing_data()
{
QTest::addColumn<QString>("string");
QTest::addColumn<qsreal>("expect");
QTest::newRow("decimal 0") << QString("0") << qsreal(0);
QTest::newRow("octal 0") << QString("00") << qsreal(00);
QTest::newRow("hex 0") << QString("0x0") << qsreal(0x0);
QTest::newRow("decimal 100") << QString("100") << qsreal(100);
QTest::newRow("hex 100") << QString("0x100") << qsreal(0x100);
QTest::newRow("octal 100") << QString("0100") << qsreal(0100);
QTest::newRow("decimal 4G") << QString("4294967296") << qsreal(Q_UINT64_C(4294967296));
QTest::newRow("hex 4G") << QString("0x100000000") << qsreal(Q_UINT64_C(0x100000000));
QTest::newRow("octal 4G") << QString("040000000000") << qsreal(Q_UINT64_C(040000000000));
QTest::newRow("0.5") << QString("0.5") << qsreal(0.5);
QTest::newRow("1.5") << QString("1.5") << qsreal(1.5);
QTest::newRow("1e2") << QString("1e2") << qsreal(100);
}
void tst_QScriptEngine::numberParsing()
{
QFETCH(QString, string);
QFETCH(qsreal, expect);
QScriptEngine eng;
QScriptValue ret = eng.evaluate(string);
QVERIFY(ret.isNumber());
qsreal actual = ret.toNumber();
QCOMPARE(actual, expect);
}
// see ECMA-262, section 7.9
// This is testing ECMA compliance, not our C++ API, but it's important that
// the back-end is conformant in this regard.
void tst_QScriptEngine::automaticSemicolonInsertion()
{
QScriptEngine eng;
{
QScriptValue ret = eng.evaluate("{ 1 2 } 3");
QVERIFY(ret.isError());
QVERIFY(ret.toString().contains("SyntaxError"));
}
{
QScriptValue ret = eng.evaluate("{ 1\n2 } 3");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 3);
}
{
QScriptValue ret = eng.evaluate("for (a; b\n)");
QVERIFY(ret.isError());
QVERIFY(ret.toString().contains("SyntaxError"));
}
{
QScriptValue ret = eng.evaluate("(function() { return\n1 + 2 })()");
QVERIFY(ret.isUndefined());
}
{
eng.evaluate("c = 2; b = 1");
QScriptValue ret = eng.evaluate("a = b\n++c");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 3);
}
{
QScriptValue ret = eng.evaluate("if (a > b)\nelse c = d");
QVERIFY(ret.isError());
QVERIFY(ret.toString().contains("SyntaxError"));
}
{
eng.evaluate("function c() { return { foo: function() { return 5; } } }");
eng.evaluate("b = 1; d = 2; e = 3");
QScriptValue ret = eng.evaluate("a = b + c\n(d + e).foo()");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 6);
}
{
QScriptValue ret = eng.evaluate("throw\n1");
QVERIFY(ret.isError());
QVERIFY(ret.toString().contains("SyntaxError"));
}
{
QScriptValue ret = eng.evaluate("a = Number(1)\n++a");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 2);
}
// "a semicolon is never inserted automatically if the semicolon
// would then be parsed as an empty statement"
{
eng.evaluate("a = 123");
QScriptValue ret = eng.evaluate("if (0)\n ++a; a");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 123);
}
{
eng.evaluate("a = 123");
QScriptValue ret = eng.evaluate("if (0)\n --a; a");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 123);
}
{
eng.evaluate("a = 123");
QScriptValue ret = eng.evaluate("if ((0))\n ++a; a");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 123);
}
{
eng.evaluate("a = 123");
QScriptValue ret = eng.evaluate("if ((0))\n --a; a");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 123);
}
{
eng.evaluate("a = 123");
QScriptValue ret = eng.evaluate("if (0\n)\n ++a; a");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 123);
}
{
eng.evaluate("a = 123");
QScriptValue ret = eng.evaluate("if (0\n ++a; a");
QVERIFY(ret.isError());
}
{
eng.evaluate("a = 123");
QScriptValue ret = eng.evaluate("if (0))\n ++a; a");
QVERIFY(ret.isError());
}
{
QScriptValue ret = eng.evaluate("n = 0; for (i = 0; i < 10; ++i)\n ++n; n");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 10);
}
{
QScriptValue ret = eng.evaluate("n = 30; for (i = 0; i < 10; ++i)\n --n; n");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 20);
}
{
QScriptValue ret = eng.evaluate("n = 0; for (var i = 0; i < 10; ++i)\n ++n; n");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 10);
}
{
QScriptValue ret = eng.evaluate("n = 30; for (var i = 0; i < 10; ++i)\n --n; n");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 20);
}
{
QScriptValue ret = eng.evaluate("n = 0; i = 0; while (i++ < 10)\n ++n; n");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 10);
}
{
QScriptValue ret = eng.evaluate("n = 30; i = 0; while (i++ < 10)\n --n; n");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 20);
}
{
QScriptValue ret = eng.evaluate("o = { a: 0, b: 1, c: 2 }; n = 0; for (i in o)\n ++n; n");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 3);
}
{
QScriptValue ret = eng.evaluate("o = { a: 0, b: 1, c: 2 }; n = 9; for (i in o)\n --n; n");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 6);
}
{
QScriptValue ret = eng.evaluate("o = { a: 0, b: 1, c: 2 }; n = 0; for (var i in o)\n ++n; n");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 3);
}
{
QScriptValue ret = eng.evaluate("o = { a: 0, b: 1, c: 2 }; n = 9; for (var i in o)\n --n; n");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 6);
}
{
QScriptValue ret = eng.evaluate("o = { n: 3 }; n = 5; with (o)\n ++n; n");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 5);
}
{
QScriptValue ret = eng.evaluate("o = { n: 3 }; n = 10; with (o)\n --n; n");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 10);
}
{
QScriptValue ret = eng.evaluate("n = 5; i = 0; do\n ++n; while (++i < 10); n");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 15);
}
{
QScriptValue ret = eng.evaluate("n = 20; i = 0; do\n --n; while (++i < 10); n");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 10);
}
{
QScriptValue ret = eng.evaluate("n = 1; i = 0; if (n) i\n++n; n");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 2);
}
{
QScriptValue ret = eng.evaluate("n = 1; i = 0; if (n) i\n--n; n");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 0);
}
{
QScriptValue ret = eng.evaluate("if (0)");
QVERIFY(ret.isError());
}
{
QScriptValue ret = eng.evaluate("while (0)");
QVERIFY(ret.isError());
}
{
QScriptValue ret = eng.evaluate("for (;;)");
QVERIFY(ret.isError());
}
{
QScriptValue ret = eng.evaluate("for (p in this)");
QVERIFY(ret.isError());
}
{
QScriptValue ret = eng.evaluate("with (this)");
QVERIFY(ret.isError());
}
{
QScriptValue ret = eng.evaluate("do");
QVERIFY(ret.isError());
}
}
class EventReceiver3 : public QObject
{
public:
enum AbortionResult {
None = 0,
String = 1,
Error = 2,
Number = 3
};
EventReceiver3(QScriptEngine *eng) {
engine = eng;
resultType = None;
}
bool event(QEvent *e) {
if (e->type() == QEvent::User + 1) {
switch (resultType) {
case None:
engine->abortEvaluation();
break;
case String:
engine->abortEvaluation(QScriptValue(engine, QString::fromLatin1("Aborted")));
break;
case Error:
engine->abortEvaluation(engine->currentContext()->throwError("AbortedWithError"));
break;
case Number:
engine->abortEvaluation(QScriptValue(1234));
}
}
return QObject::event(e);
}
AbortionResult resultType;
QScriptEngine *engine;
};
static QScriptValue myFunctionAbortingEvaluation(QScriptContext *, QScriptEngine *eng)
{
eng->abortEvaluation();
return eng->nullValue(); // should be ignored
}
void tst_QScriptEngine::abortEvaluation_notEvaluating()
{
QScriptEngine eng;
eng.abortEvaluation();
QVERIFY(!eng.hasUncaughtException());
eng.abortEvaluation(123);
{
QScriptValue ret = eng.evaluate("'ciao'");
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("ciao"));
}
}
void tst_QScriptEngine::abortEvaluation_data()
{
QTest::addColumn<QString>("script");
QTest::newRow("while (1)")
<< QString::fromLatin1("while (1) { }");
QTest::newRow("while (1) i++")
<< QString::fromLatin1("i = 0; while (1) { i++; }");
QTest::newRow("try catch")
<< QString::fromLatin1("try {"
" while (1) { }"
"} catch(e) {"
" throw new Error('Caught');"
"}");
}
void tst_QScriptEngine::abortEvaluation()
{
QFETCH(QString, script);
QScriptEngine eng;
EventReceiver3 receiver(&eng);
eng.setProcessEventsInterval(100);
for (int x = 0; x < 4; ++x) {
QCoreApplication::postEvent(&receiver, new QEvent(QEvent::Type(QEvent::User+1)));
receiver.resultType = EventReceiver3::AbortionResult(x);
QScriptValue ret = eng.evaluate(script);
switch (receiver.resultType) {
case EventReceiver3::None:
QVERIFY(!eng.hasUncaughtException());
QVERIFY(!ret.isValid());
break;
case EventReceiver3::Number:
QVERIFY(!eng.hasUncaughtException());
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 1234);
break;
case EventReceiver3::String:
QVERIFY(!eng.hasUncaughtException());
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("Aborted"));
break;
case EventReceiver3::Error:
QVERIFY(eng.hasUncaughtException());
QVERIFY(ret.isError());
QCOMPARE(ret.toString(), QString::fromLatin1("Error: AbortedWithError"));
break;
}
}
}
void tst_QScriptEngine::abortEvaluation_tryCatch()
{
QScriptEngine eng;
EventReceiver3 receiver(&eng);
eng.setProcessEventsInterval(100);
// scripts cannot intercept the abortion with try/catch
for (int y = 0; y < 4; ++y) {
QCoreApplication::postEvent(&receiver, new QEvent(QEvent::Type(QEvent::User+1)));
receiver.resultType = EventReceiver3::AbortionResult(y);
QScriptValue ret = eng.evaluate(QString::fromLatin1(
"while (1) {\n"
" try {\n"
" (function() { while (1) { } })();\n"
" } catch (e) {\n"
" ;\n"
" }\n"
"}"));
switch (receiver.resultType) {
case EventReceiver3::None:
QVERIFY(!eng.hasUncaughtException());
QVERIFY(!ret.isValid());
break;
case EventReceiver3::Number:
QVERIFY(!eng.hasUncaughtException());
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 1234);
break;
case EventReceiver3::String:
QVERIFY(!eng.hasUncaughtException());
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("Aborted"));
break;
case EventReceiver3::Error:
QVERIFY(eng.hasUncaughtException());
QVERIFY(ret.isError());
break;
}
}
}
void tst_QScriptEngine::abortEvaluation_fromNative()
{
QScriptEngine eng;
QScriptValue fun = eng.newFunction(myFunctionAbortingEvaluation);
eng.globalObject().setProperty("myFunctionAbortingEvaluation", fun);
QScriptValue ret = eng.evaluate("myFunctionAbortingEvaluation()");
QVERIFY(!ret.isValid());
}
class ThreadedEngine : public QThread {
Q_OBJECT
private:
QScriptEngine* m_engine;
protected:
void run() {
m_engine = new QScriptEngine();
m_engine->setGlobalObject(m_engine->newQObject(this));
m_engine->evaluate("while(1) { sleep(); }");
delete m_engine;
}
public slots:
void sleep()
{
QTest::qSleep(25);
m_engine->abortEvaluation();
}
};
void tst_QScriptEngine::abortEvaluation_QTBUG9433()
{
ThreadedEngine engine;
engine.start();
QVERIFY(engine.isRunning());
QTest::qSleep(50);
for (uint i = 0; i < 50; ++i) { // up to ~2500 ms
if (engine.isFinished())
return;
QTest::qSleep(50);
}
if (!engine.isFinished()) {
engine.terminate();
engine.wait(7000);
QFAIL("abortEvaluation doesn't work");
}
}
static QScriptValue myFunctionReturningIsEvaluating(QScriptContext *, QScriptEngine *eng)
{
return QScriptValue(eng, eng->isEvaluating());
}
class EventReceiver4 : public QObject
{
public:
EventReceiver4(QScriptEngine *eng) {
engine = eng;
wasEvaluating = false;
}
bool event(QEvent *e) {
if (e->type() == QEvent::User + 1) {
wasEvaluating = engine->isEvaluating();
}
return QObject::event(e);
}
QScriptEngine *engine;
bool wasEvaluating;
};
void tst_QScriptEngine::isEvaluating_notEvaluating()
{
QScriptEngine eng;
QVERIFY(!eng.isEvaluating());
eng.evaluate("");
QVERIFY(!eng.isEvaluating());
eng.evaluate("123");
QVERIFY(!eng.isEvaluating());
eng.evaluate("0 = 0");
QVERIFY(!eng.isEvaluating());
}
void tst_QScriptEngine::isEvaluating_fromNative()
{
QScriptEngine eng;
QScriptValue fun = eng.newFunction(myFunctionReturningIsEvaluating);
eng.globalObject().setProperty("myFunctionReturningIsEvaluating", fun);
QScriptValue ret = eng.evaluate("myFunctionReturningIsEvaluating()");
QVERIFY(ret.isBoolean());
QVERIFY(ret.toBoolean());
}
void tst_QScriptEngine::isEvaluating_fromEvent()
{
QScriptEngine eng;
EventReceiver4 receiver(&eng);
QCoreApplication::postEvent(&receiver, new QEvent(QEvent::Type(QEvent::User+1)));
QString script = QString::fromLatin1(
"var end = Number(new Date()) + 1000;"
"var x = 0;"
"while (Number(new Date()) < end) {"
" ++x;"
"}");
eng.setProcessEventsInterval(100);
eng.evaluate(script);
QVERIFY(receiver.wasEvaluating);
}
static QtMsgType theMessageType;
static QString theMessage;
static void myMsgHandler(QtMsgType type, const QMessageLogContext &, const QString &msg)
{
theMessageType = type;
theMessage = msg;
}
void tst_QScriptEngine::printFunctionWithCustomHandler()
{
// The built-in print() function passes the output to Qt's message
// handler. By installing a custom message handler, the output can be
// redirected without changing the print() function itself.
// This behavior is not documented.
QScriptEngine eng;
QtMessageHandler oldHandler = qInstallMessageHandler(myMsgHandler);
QVERIFY(eng.globalObject().property("print").isFunction());
theMessageType = QtSystemMsg;
QVERIFY(theMessage.isEmpty());
QVERIFY(eng.evaluate("print('test')").isUndefined());
QCOMPARE(theMessageType, QtDebugMsg);
QCOMPARE(theMessage, QString::fromLatin1("test"));
theMessageType = QtSystemMsg;
theMessage.clear();
QVERIFY(eng.evaluate("print(3, true, 'little pigs')").isUndefined());
QCOMPARE(theMessageType, QtDebugMsg);
QCOMPARE(theMessage, QString::fromLatin1("3 true little pigs"));
qInstallMessageHandler(oldHandler);
}
void tst_QScriptEngine::printThrowsException()
{
// If an argument to print() causes an exception to be thrown when
// it's converted to a string, print() should propagate the exception.
QScriptEngine eng;
QScriptValue ret = eng.evaluate("print({ toString: function() { throw 'foo'; } });");
QVERIFY(eng.hasUncaughtException());
QVERIFY(ret.strictlyEquals(QScriptValue(&eng, QLatin1String("foo"))));
}
void tst_QScriptEngine::errorConstructors()
{
QScriptEngine eng;
QStringList prefixes;
prefixes << "" << "Eval" << "Range" << "Reference" << "Syntax" << "Type" << "URI";
for (int x = 0; x < 3; ++x) {
for (int i = 0; i < prefixes.size(); ++i) {
QString name = prefixes.at(i) + QLatin1String("Error");
QString code = QString(i+1, QLatin1Char('\n'));
if (x == 0)
code += QLatin1String("throw ");
else if (x == 1)
code += QLatin1String("new ");
code += name + QLatin1String("()");
QScriptValue ret = eng.evaluate(code);
QVERIFY(ret.isError());
QCOMPARE(eng.hasUncaughtException(), x == 0);
eng.clearExceptions();
QVERIFY(ret.toString().startsWith(name));
if (x != 0)
QEXPECT_FAIL("", "QTBUG-6138: JSC doesn't assign lineNumber when errors are not thrown", Continue);
QCOMPARE(ret.property("lineNumber").toInt32(), i+2);
}
}
}
void tst_QScriptEngine::argumentsProperty_globalContext()
{
QScriptEngine eng;
{
// Unlike function calls, the global context doesn't have an
// arguments property.
QScriptValue ret = eng.evaluate("arguments");
QVERIFY(ret.isError());
QVERIFY(ret.toString().contains(QString::fromLatin1("ReferenceError")));
}
eng.evaluate("arguments = 10");
{
QScriptValue ret = eng.evaluate("arguments");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 10);
}
QVERIFY(eng.evaluate("delete arguments").toBoolean());
QVERIFY(!eng.globalObject().property("arguments").isValid());
}
void tst_QScriptEngine::argumentsProperty_JS()
{
{
QScriptEngine eng;
eng.evaluate("o = { arguments: 123 }");
QScriptValue ret = eng.evaluate("with (o) { arguments; }");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 123);
}
{
QScriptEngine eng;
QVERIFY(!eng.globalObject().property("arguments").isValid());
// This is testing ECMA-262 compliance. In function calls, "arguments"
// appears like a local variable, and it can be replaced.
QScriptValue ret = eng.evaluate("(function() { arguments = 456; return arguments; })()");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 456);
QVERIFY(!eng.globalObject().property("arguments").isValid());
}
}
static QScriptValue argumentsProperty_fun(QScriptContext *, QScriptEngine *eng)
{
// Since evaluate() is done in the current context, "arguments" should
// refer to currentContext()->argumentsObject().
// This is for consistency with the built-in JS eval() function.
eng->evaluate("var a = arguments[0];");
eng->evaluate("arguments[0] = 200;");
return eng->evaluate("a + arguments[0]");
}
void tst_QScriptEngine::argumentsProperty_evaluateInNativeFunction()
{
QScriptEngine eng;
QScriptValue fun = eng.newFunction(argumentsProperty_fun);
eng.globalObject().setProperty("fun", eng.newFunction(argumentsProperty_fun));
QScriptValue result = eng.evaluate("fun(18)");
QVERIFY(result.isNumber());
QCOMPARE(result.toInt32(), 200+18);
}
void tst_QScriptEngine::jsNumberClass()
{
// See ECMA-262 Section 15.7, "Number Objects".
QScriptEngine eng;
QScriptValue ctor = eng.globalObject().property("Number");
QVERIFY(ctor.property("length").isNumber());
QCOMPARE(ctor.property("length").toNumber(), qsreal(1));
QScriptValue proto = ctor.property("prototype");
QVERIFY(proto.isObject());
{
QScriptValue::PropertyFlags flags = QScriptValue::SkipInEnumeration
| QScriptValue::Undeletable
| QScriptValue::ReadOnly;
QCOMPARE(ctor.propertyFlags("prototype"), flags);
QVERIFY(ctor.property("MAX_VALUE").isNumber());
QCOMPARE(ctor.propertyFlags("MAX_VALUE"), flags);
QVERIFY(ctor.property("MIN_VALUE").isNumber());
QCOMPARE(ctor.propertyFlags("MIN_VALUE"), flags);
QVERIFY(ctor.property("NaN").isNumber());
QCOMPARE(ctor.propertyFlags("NaN"), flags);
QVERIFY(ctor.property("NEGATIVE_INFINITY").isNumber());
QCOMPARE(ctor.propertyFlags("NEGATIVE_INFINITY"), flags);
QVERIFY(ctor.property("POSITIVE_INFINITY").isNumber());
QCOMPARE(ctor.propertyFlags("POSITIVE_INFINITY"), flags);
}
QVERIFY(proto.instanceOf(eng.globalObject().property("Object")));
QCOMPARE(proto.toNumber(), qsreal(0));
QVERIFY(proto.property("constructor").strictlyEquals(ctor));
{
QScriptValue ret = eng.evaluate("Number()");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toNumber(), qsreal(0));
}
{
QScriptValue ret = eng.evaluate("Number(123)");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toNumber(), qsreal(123));
}
{
QScriptValue ret = eng.evaluate("Number('456')");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toNumber(), qsreal(456));
}
{
QScriptValue ret = eng.evaluate("new Number()");
QVERIFY(!ret.isNumber());
QVERIFY(ret.isObject());
QCOMPARE(ret.toNumber(), qsreal(0));
}
{
QScriptValue ret = eng.evaluate("new Number(123)");
QVERIFY(!ret.isNumber());
QVERIFY(ret.isObject());
QCOMPARE(ret.toNumber(), qsreal(123));
}
{
QScriptValue ret = eng.evaluate("new Number('456')");
QVERIFY(!ret.isNumber());
QVERIFY(ret.isObject());
QCOMPARE(ret.toNumber(), qsreal(456));
}
QVERIFY(proto.property("toString").isFunction());
{
QScriptValue ret = eng.evaluate("new Number(123).toString()");
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("123"));
}
{
QScriptValue ret = eng.evaluate("new Number(123).toString(8)");
QVERIFY(ret.isString());
#ifdef Q_CC_MINGW
// Fails with some versions of MinGW (32bit?)
if (ret.toString() != QLatin1String("173"))
QSKIP("Fails with MinGW", Abort);
#endif
QCOMPARE(ret.toString(), QString::fromLatin1("173"));
}
{
QScriptValue ret = eng.evaluate("new Number(123).toString(16)");
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("7b"));
}
QVERIFY(proto.property("toLocaleString").isFunction());
{
QScriptValue ret = eng.evaluate("new Number(123).toLocaleString()");
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("123"));
}
QVERIFY(proto.property("valueOf").isFunction());
{
QScriptValue ret = eng.evaluate("new Number(123).valueOf()");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toNumber(), qsreal(123));
}
QVERIFY(proto.property("toExponential").isFunction());
{
QScriptValue ret = eng.evaluate("new Number(123).toExponential()");
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("1.23e+2"));
}
QVERIFY(proto.property("toFixed").isFunction());
{
QScriptValue ret = eng.evaluate("new Number(123).toFixed()");
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("123"));
}
QVERIFY(proto.property("toPrecision").isFunction());
{
QScriptValue ret = eng.evaluate("new Number(123).toPrecision()");
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("123"));
}
}
void tst_QScriptEngine::jsForInStatement_simple()
{
QScriptEngine eng;
{
QScriptValue ret = eng.evaluate("o = { }; r = []; for (var p in o) r[r.length] = p; r");
QStringList lst = qscriptvalue_cast<QStringList>(ret);
QVERIFY(lst.isEmpty());
}
{
QScriptValue ret = eng.evaluate("o = { p: 123 }; r = [];"
"for (var p in o) r[r.length] = p; r");
QStringList lst = qscriptvalue_cast<QStringList>(ret);
QCOMPARE(lst.size(), 1);
QCOMPARE(lst.at(0), QString::fromLatin1("p"));
}
{
QScriptValue ret = eng.evaluate("o = { p: 123, q: 456 }; r = [];"
"for (var p in o) r[r.length] = p; r");
QStringList lst = qscriptvalue_cast<QStringList>(ret);
QCOMPARE(lst.size(), 2);
QCOMPARE(lst.at(0), QString::fromLatin1("p"));
QCOMPARE(lst.at(1), QString::fromLatin1("q"));
}
}
void tst_QScriptEngine::jsForInStatement_prototypeProperties()
{
QScriptEngine eng;
{
QScriptValue ret = eng.evaluate("o = { }; o.__proto__ = { p: 123 }; r = [];"
"for (var p in o) r[r.length] = p; r");
QStringList lst = qscriptvalue_cast<QStringList>(ret);
QCOMPARE(lst.size(), 1);
QCOMPARE(lst.at(0), QString::fromLatin1("p"));
}
{
QScriptValue ret = eng.evaluate("o = { p: 123 }; o.__proto__ = { q: 456 }; r = [];"
"for (var p in o) r[r.length] = p; r");
QStringList lst = qscriptvalue_cast<QStringList>(ret);
QCOMPARE(lst.size(), 2);
QCOMPARE(lst.at(0), QString::fromLatin1("p"));
QCOMPARE(lst.at(1), QString::fromLatin1("q"));
}
{
// shadowed property
QScriptValue ret = eng.evaluate("o = { p: 123 }; o.__proto__ = { p: 456 }; r = [];"
"for (var p in o) r[r.length] = p; r");
QStringList lst = qscriptvalue_cast<QStringList>(ret);
QCOMPARE(lst.size(), 1);
QCOMPARE(lst.at(0), QString::fromLatin1("p"));
}
}
void tst_QScriptEngine::jsForInStatement_mutateWhileIterating()
{
QScriptEngine eng;
// deleting property during enumeration
{
QScriptValue ret = eng.evaluate("o = { p: 123 }; r = [];"
"for (var p in o) { r[r.length] = p; delete r[p]; } r");
QStringList lst = qscriptvalue_cast<QStringList>(ret);
QCOMPARE(lst.size(), 1);
QCOMPARE(lst.at(0), QString::fromLatin1("p"));
}
{
QScriptValue ret = eng.evaluate("o = { p: 123, q: 456 }; r = [];"
"for (var p in o) { r[r.length] = p; delete o.q; } r");
QStringList lst = qscriptvalue_cast<QStringList>(ret);
QCOMPARE(lst.size(), 1);
QCOMPARE(lst.at(0), QString::fromLatin1("p"));
}
// adding property during enumeration
{
QScriptValue ret = eng.evaluate("o = { p: 123 }; r = [];"
"for (var p in o) { r[r.length] = p; o.q = 456; } r");
QStringList lst = qscriptvalue_cast<QStringList>(ret);
QCOMPARE(lst.size(), 1);
QCOMPARE(lst.at(0), QString::fromLatin1("p"));
}
}
void tst_QScriptEngine::jsForInStatement_arrays()
{
QScriptEngine eng;
{
QScriptValue ret = eng.evaluate("a = [123, 456]; r = [];"
"for (var p in a) r[r.length] = p; r");
QStringList lst = qscriptvalue_cast<QStringList>(ret);
QCOMPARE(lst.size(), 2);
QCOMPARE(lst.at(0), QString::fromLatin1("0"));
QCOMPARE(lst.at(1), QString::fromLatin1("1"));
}
{
QScriptValue ret = eng.evaluate("a = [123, 456]; a.foo = 'bar'; r = [];"
"for (var p in a) r[r.length] = p; r");
QStringList lst = qscriptvalue_cast<QStringList>(ret);
QCOMPARE(lst.size(), 3);
QCOMPARE(lst.at(0), QString::fromLatin1("0"));
QCOMPARE(lst.at(1), QString::fromLatin1("1"));
QCOMPARE(lst.at(2), QString::fromLatin1("foo"));
}
{
QScriptValue ret = eng.evaluate("a = [123, 456]; a.foo = 'bar';"
"b = [111, 222, 333]; b.bar = 'baz';"
"a.__proto__ = b; r = [];"
"for (var p in a) r[r.length] = p; r");
QStringList lst = qscriptvalue_cast<QStringList>(ret);
QCOMPARE(lst.size(), 5);
QCOMPARE(lst.at(0), QString::fromLatin1("0"));
QCOMPARE(lst.at(1), QString::fromLatin1("1"));
QCOMPARE(lst.at(2), QString::fromLatin1("foo"));
QCOMPARE(lst.at(3), QString::fromLatin1("2"));
QCOMPARE(lst.at(4), QString::fromLatin1("bar"));
}
}
void tst_QScriptEngine::jsForInStatement_nullAndUndefined()
{
QScriptEngine eng;
{
QScriptValue ret = eng.evaluate("r = true; for (var p in undefined) r = false; r");
QVERIFY(ret.isBool());
QVERIFY(ret.toBool());
}
{
QScriptValue ret = eng.evaluate("r = true; for (var p in null) r = false; r");
QVERIFY(ret.isBool());
QVERIFY(ret.toBool());
}
}
void tst_QScriptEngine::jsFunctionDeclarationAsStatement()
{
// ECMA-262 does not allow function declarations to be used as statements,
// but several popular implementations (including JSC) do. See the NOTE
// at the beginning of chapter 12 in ECMA-262 5th edition, where it's
// recommended that implementations either disallow this usage or issue
// a warning.
// Since we had a bug report long ago about Qt Script not supporting this
// "feature" (and thus deviating from other implementations), we still
// check this behavior.
QScriptEngine eng;
QVERIFY(!eng.globalObject().property("bar").isValid());
eng.evaluate("function foo(arg) {\n"
" if (arg == 'bar')\n"
" function bar() { return 'bar'; }\n"
" else\n"
" function baz() { return 'baz'; }\n"
" return (arg == 'bar') ? bar : baz;\n"
"}");
QVERIFY(!eng.globalObject().property("bar").isValid());
QVERIFY(!eng.globalObject().property("baz").isValid());
QVERIFY(eng.evaluate("foo").isFunction());
{
QScriptValue ret = eng.evaluate("foo('bar')");
QVERIFY(ret.isFunction());
QScriptValue ret2 = ret.call(QScriptValue());
QCOMPARE(ret2.toString(), QString::fromLatin1("bar"));
QVERIFY(!eng.globalObject().property("bar").isValid());
QVERIFY(!eng.globalObject().property("baz").isValid());
}
{
QScriptValue ret = eng.evaluate("foo('baz')");
QVERIFY(ret.isFunction());
QScriptValue ret2 = ret.call(QScriptValue());
QCOMPARE(ret2.toString(), QString::fromLatin1("baz"));
QVERIFY(!eng.globalObject().property("bar").isValid());
QVERIFY(!eng.globalObject().property("baz").isValid());
}
}
void tst_QScriptEngine::stringObjects()
{
// See ECMA-262 Section 15.5, "String Objects".
QScriptEngine eng;
QString str("ciao");
// in C++
{
QScriptValue obj = QScriptValue(&eng, str).toObject();
QCOMPARE(obj.property("length").toInt32(), str.length());
QCOMPARE(obj.propertyFlags("length"), QScriptValue::PropertyFlags(QScriptValue::Undeletable | QScriptValue::SkipInEnumeration | QScriptValue::ReadOnly));
for (int i = 0; i < str.length(); ++i) {
QString pname = QString::number(i);
QVERIFY(obj.property(pname).isString());
QCOMPARE(obj.property(pname).toString(), QString(str.at(i)));
QCOMPARE(obj.propertyFlags(pname), QScriptValue::PropertyFlags(QScriptValue::Undeletable | QScriptValue::ReadOnly));
obj.setProperty(pname, QScriptValue());
obj.setProperty(pname, QScriptValue(&eng, 123));
QVERIFY(obj.property(pname).isString());
QCOMPARE(obj.property(pname).toString(), QString(str.at(i)));
}
QVERIFY(!obj.property("-1").isValid());
QVERIFY(!obj.property(QString::number(str.length())).isValid());
QScriptValue val(&eng, 123);
obj.setProperty("-1", val);
QVERIFY(obj.property("-1").strictlyEquals(val));
obj.setProperty("100", val);
QVERIFY(obj.property("100").strictlyEquals(val));
}
// in script
{
QScriptValue ret = eng.evaluate("s = new String('ciao'); r = []; for (var p in s) r.push(p); r");
QVERIFY(ret.isArray());
QStringList lst = qscriptvalue_cast<QStringList>(ret);
QCOMPARE(lst.size(), str.length());
for (int i = 0; i < str.length(); ++i)
QCOMPARE(lst.at(i), QString::number(i));
QScriptValue ret2 = eng.evaluate("s[0] = 123; s[0]");
QVERIFY(ret2.isString());
QCOMPARE(ret2.toString().length(), 1);
QCOMPARE(ret2.toString().at(0), str.at(0));
QScriptValue ret3 = eng.evaluate("s[-1] = 123; s[-1]");
QVERIFY(ret3.isNumber());
QCOMPARE(ret3.toInt32(), 123);
QScriptValue ret4 = eng.evaluate("s[s.length] = 456; s[s.length]");
QVERIFY(ret4.isNumber());
QCOMPARE(ret4.toInt32(), 456);
QScriptValue ret5 = eng.evaluate("delete s[0]");
QVERIFY(ret5.isBoolean());
QVERIFY(!ret5.toBoolean());
QScriptValue ret6 = eng.evaluate("delete s[-1]");
QVERIFY(ret6.isBoolean());
QVERIFY(ret6.toBoolean());
QScriptValue ret7 = eng.evaluate("delete s[s.length]");
QVERIFY(ret7.isBoolean());
QVERIFY(ret7.toBoolean());
}
}
void tst_QScriptEngine::jsStringPrototypeReplaceBugs()
{
QScriptEngine eng;
// task 212440
{
QScriptValue ret = eng.evaluate("replace_args = []; \"a a a\".replace(/(a)/g, function() { replace_args.push(arguments); }); replace_args");
QVERIFY(ret.isArray());
int len = ret.property("length").toInt32();
QCOMPARE(len, 3);
for (int i = 0; i < len; ++i) {
QScriptValue args = ret.property(i);
QCOMPARE(args.property("length").toInt32(), 4);
QCOMPARE(args.property(0).toString(), QString::fromLatin1("a")); // matched string
QCOMPARE(args.property(1).toString(), QString::fromLatin1("a")); // capture
QVERIFY(args.property(2).isNumber());
QCOMPARE(args.property(2).toInt32(), i*2); // index of match
QCOMPARE(args.property(3).toString(), QString::fromLatin1("a a a"));
}
}
// task 212501
{
QScriptValue ret = eng.evaluate("\"foo\".replace(/a/g, function() {})");
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("foo"));
}
}
void tst_QScriptEngine::getterSetterThisObject_global()
{
{
QScriptEngine eng;
// read
eng.evaluate("__defineGetter__('x', function() { return this; });");
{
QScriptValue ret = eng.evaluate("x");
QVERIFY(ret.equals(eng.globalObject()));
}
{
QScriptValue ret = eng.evaluate("(function() { return x; })()");
QVERIFY(ret.equals(eng.globalObject()));
}
{
QScriptValue ret = eng.evaluate("with (this) x");
QVERIFY(ret.equals(eng.globalObject()));
}
{
QScriptValue ret = eng.evaluate("with ({}) x");
QVERIFY(ret.equals(eng.globalObject()));
}
{
QScriptValue ret = eng.evaluate("(function() { with ({}) return x; })()");
QVERIFY(ret.equals(eng.globalObject()));
}
// write
eng.evaluate("__defineSetter__('x', function() { return this; });");
{
QScriptValue ret = eng.evaluate("x = 'foo'");
// SpiderMonkey says setter return value, JSC says RHS.
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("foo"));
}
{
QScriptValue ret = eng.evaluate("(function() { return x = 'foo'; })()");
// SpiderMonkey says setter return value, JSC says RHS.
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("foo"));
}
{
QScriptValue ret = eng.evaluate("with (this) x = 'foo'");
// SpiderMonkey says setter return value, JSC says RHS.
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("foo"));
}
{
QScriptValue ret = eng.evaluate("with ({}) x = 'foo'");
// SpiderMonkey says setter return value, JSC says RHS.
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("foo"));
}
{
QScriptValue ret = eng.evaluate("(function() { with ({}) return x = 'foo'; })()");
// SpiderMonkey says setter return value, JSC says RHS.
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("foo"));
}
}
}
void tst_QScriptEngine::getterSetterThisObject_plain()
{
{
QScriptEngine eng;
eng.evaluate("o = {}");
// read
eng.evaluate("o.__defineGetter__('x', function() { return this; })");
QVERIFY(eng.evaluate("o.x === o").toBoolean());
QVERIFY(eng.evaluate("with (o) x").equals(eng.evaluate("o")));
QVERIFY(eng.evaluate("(function() { with (o) return x; })() === o").toBoolean());
eng.evaluate("q = {}; with (o) with (q) x").equals(eng.evaluate("o"));
// write
eng.evaluate("o.__defineSetter__('x', function() { return this; });");
// SpiderMonkey says setter return value, JSC says RHS.
QVERIFY(eng.evaluate("(o.x = 'foo') === 'foo'").toBoolean());
QVERIFY(eng.evaluate("with (o) x = 'foo'").equals("foo"));
QVERIFY(eng.evaluate("with (o) with (q) x = 'foo'").equals("foo"));
}
}
void tst_QScriptEngine::getterSetterThisObject_prototypeChain()
{
{
QScriptEngine eng;
eng.evaluate("o = {}; p = {}; o.__proto__ = p");
// read
eng.evaluate("p.__defineGetter__('x', function() { return this; })");
QVERIFY(eng.evaluate("o.x === o").toBoolean());
QVERIFY(eng.evaluate("with (o) x").equals(eng.evaluate("o")));
QVERIFY(eng.evaluate("(function() { with (o) return x; })() === o").toBoolean());
eng.evaluate("q = {}; with (o) with (q) x").equals(eng.evaluate("o"));
eng.evaluate("with (q) with (o) x").equals(eng.evaluate("o"));
// write
eng.evaluate("o.__defineSetter__('x', function() { return this; });");
// SpiderMonkey says setter return value, JSC says RHS.
QVERIFY(eng.evaluate("(o.x = 'foo') === 'foo'").toBoolean());
QVERIFY(eng.evaluate("with (o) x = 'foo'").equals("foo"));
QVERIFY(eng.evaluate("with (o) with (q) x = 'foo'").equals("foo"));
}
}
void tst_QScriptEngine::getterSetterThisObject_activation()
{
{
QScriptEngine eng;
QScriptContext *ctx = eng.pushContext();
QVERIFY(ctx != 0);
QScriptValue act = ctx->activationObject();
act.setProperty("act", act);
// read
eng.evaluate("act.__defineGetter__('x', function() { return this; })");
QVERIFY(eng.evaluate("x === act").toBoolean());
QEXPECT_FAIL("", "QTBUG-17605: Not possible to implement local variables as getter/setter properties", Abort);
QVERIFY(!eng.hasUncaughtException());
QVERIFY(eng.evaluate("with (act) x").equals("foo"));
QVERIFY(eng.evaluate("(function() { with (act) return x; })() === act").toBoolean());
eng.evaluate("q = {}; with (act) with (q) x").equals(eng.evaluate("act"));
eng.evaluate("with (q) with (act) x").equals(eng.evaluate("act"));
// write
eng.evaluate("act.__defineSetter__('x', function() { return this; });");
QVERIFY(eng.evaluate("(x = 'foo') === 'foo'").toBoolean());
QVERIFY(eng.evaluate("with (act) x = 'foo'").equals("foo"));
QVERIFY(eng.evaluate("with (act) with (q) x = 'foo'").equals("foo"));
eng.popContext();
}
}
void tst_QScriptEngine::jsContinueInSwitch()
{
// This is testing ECMA-262 compliance, not C++ API.
QScriptEngine eng;
// switch - continue
{
QScriptValue ret = eng.evaluate("switch (1) { default: continue; }");
QVERIFY(ret.isError());
}
// for - switch - case - continue
{
QScriptValue ret = eng.evaluate("j = 0; for (i = 0; i < 100000; ++i) {\n"
" switch (i) {\n"
" case 1: ++j; continue;\n"
" case 100: ++j; continue;\n"
" case 1000: ++j; continue;\n"
" }\n"
"}; j");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 3);
}
// for - switch - case - default - continue
{
QScriptValue ret = eng.evaluate("j = 0; for (i = 0; i < 100000; ++i) {\n"
" switch (i) {\n"
" case 1: ++j; continue;\n"
" case 100: ++j; continue;\n"
" case 1000: ++j; continue;\n"
" default: if (i < 50000) break; else continue;\n"
" }\n"
"}; j");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 3);
}
// switch - for - continue
{
QScriptValue ret = eng.evaluate("j = 123; switch (j) {\n"
" case 123:\n"
" for (i = 0; i < 100000; ++i) {\n"
" continue;\n"
" }\n"
"}; i\n");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 100000);
}
// switch - switch - continue
{
QScriptValue ret = eng.evaluate("i = 1; switch (i) { default: switch (i) { case 1: continue; } }");
QVERIFY(ret.isError());
}
// for - switch - switch - continue
{
QScriptValue ret = eng.evaluate("j = 0; for (i = 0; i < 100000; ++i) {\n"
" switch (i) {\n"
" case 1:\n"
" switch (i) {\n"
" case 1: ++j; continue;\n"
" }\n"
" }\n"
"}; j");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 1);
}
// switch - for - switch - continue
{
QScriptValue ret = eng.evaluate("j = 123; switch (j) {\n"
" case 123:\n"
" for (i = 0; i < 100000; ++i) {\n"
" switch (i) {\n"
" case 1:\n"
" ++j; continue;\n"
" }\n"
" }\n"
"}; i\n");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 100000);
}
}
void tst_QScriptEngine::jsShadowReadOnlyPrototypeProperty()
{
// SpiderMonkey has different behavior than JSC and V8; it disallows
// creating a property on the instance if there's a property with the
// same name in the prototype, and that property is read-only. We
// adopted that behavior in the old (4.5) Qt Script back-end, but it
// just seems weird -- and non-compliant. Adopt the JSC behavior instead.
QScriptEngine eng;
QVERIFY(eng.evaluate("o = {}; o.__proto__ = parseInt; o.length").isNumber());
QCOMPARE(eng.evaluate("o.length = 123; o.length").toInt32(), 123);
QVERIFY(eng.evaluate("o.hasOwnProperty('length')").toBoolean());
}
void tst_QScriptEngine::toObject()
{
QScriptEngine eng;
QVERIFY(!eng.toObject(eng.undefinedValue()).isValid());
QVERIFY(!eng.toObject(eng.nullValue()).isValid());
QScriptValue falskt(false);
{
QScriptValue tmp = eng.toObject(falskt);
QVERIFY(tmp.isObject());
QCOMPARE(tmp.toNumber(), falskt.toNumber());
}
QVERIFY(falskt.isBool());
QScriptValue sant(true);
{
QScriptValue tmp = eng.toObject(sant);
QVERIFY(tmp.isObject());
QCOMPARE(tmp.toNumber(), sant.toNumber());
}
QVERIFY(sant.isBool());
QScriptValue number(123.0);
{
QScriptValue tmp = eng.toObject(number);
QVERIFY(tmp.isObject());
QCOMPARE(tmp.toNumber(), number.toNumber());
}
QVERIFY(number.isNumber());
QScriptValue str = QScriptValue(&eng, QString("ciao"));
{
QScriptValue tmp = eng.toObject(str);
QVERIFY(tmp.isObject());
QCOMPARE(tmp.toString(), str.toString());
}
QVERIFY(str.isString());
QScriptValue object = eng.newObject();
{
QScriptValue tmp = eng.toObject(object);
QVERIFY(tmp.isObject());
QVERIFY(tmp.strictlyEquals(object));
}
QScriptValue qobject = eng.newQObject(this);
QVERIFY(eng.toObject(qobject).strictlyEquals(qobject));
QVERIFY(!eng.toObject(QScriptValue()).isValid());
// v1 constructors
QScriptValue boolValue(&eng, true);
{
QScriptValue ret = eng.toObject(boolValue);
QVERIFY(ret.isObject());
QCOMPARE(ret.toBool(), boolValue.toBool());
}
QVERIFY(boolValue.isBool());
QScriptValue numberValue(&eng, 123.0);
{
QScriptValue ret = eng.toObject(numberValue);
QVERIFY(ret.isObject());
QCOMPARE(ret.toNumber(), numberValue.toNumber());
}
QVERIFY(numberValue.isNumber());
QScriptValue stringValue(&eng, QString::fromLatin1("foo"));
{
QScriptValue ret = eng.toObject(stringValue);
QVERIFY(ret.isObject());
QCOMPARE(ret.toString(), stringValue.toString());
}
QVERIFY(stringValue.isString());
}
void tst_QScriptEngine::jsReservedWords_data()
{
QTest::addColumn<QString>("word");
QTest::newRow("break") << QString("break");
QTest::newRow("case") << QString("case");
QTest::newRow("catch") << QString("catch");
QTest::newRow("continue") << QString("continue");
QTest::newRow("default") << QString("default");
QTest::newRow("delete") << QString("delete");
QTest::newRow("do") << QString("do");
QTest::newRow("else") << QString("else");
QTest::newRow("false") << QString("false");
QTest::newRow("finally") << QString("finally");
QTest::newRow("for") << QString("for");
QTest::newRow("function") << QString("function");
QTest::newRow("if") << QString("if");
QTest::newRow("in") << QString("in");
QTest::newRow("instanceof") << QString("instanceof");
QTest::newRow("new") << QString("new");
QTest::newRow("null") << QString("null");
QTest::newRow("return") << QString("return");
QTest::newRow("switch") << QString("switch");
QTest::newRow("this") << QString("this");
QTest::newRow("throw") << QString("throw");
QTest::newRow("true") << QString("true");
QTest::newRow("try") << QString("try");
QTest::newRow("typeof") << QString("typeof");
QTest::newRow("var") << QString("var");
QTest::newRow("void") << QString("void");
QTest::newRow("while") << QString("while");
QTest::newRow("with") << QString("with");
}
void tst_QScriptEngine::jsReservedWords()
{
// See ECMA-262 Section 7.6.1, "Reserved Words".
// We prefer that the implementation is less strict than the spec; e.g.
// it's good to allow reserved words as identifiers in object literals,
// and when accessing properties using dot notation.
QFETCH(QString, word);
{
QScriptEngine eng;
QScriptValue ret = eng.evaluate(word + " = 123");
QVERIFY(ret.isError());
QString str = ret.toString();
QVERIFY(str.startsWith("SyntaxError") || str.startsWith("ReferenceError"));
}
{
QScriptEngine eng;
QScriptValue ret = eng.evaluate("var " + word + " = 123");
QVERIFY(ret.isError());
QVERIFY(ret.toString().startsWith("SyntaxError"));
}
{
QScriptEngine eng;
QScriptValue ret = eng.evaluate("o = {}; o." + word + " = 123");
// in the old back-end and in SpiderMonkey this is allowed, but not in JSC
QVERIFY(ret.isError());
QVERIFY(ret.toString().startsWith("SyntaxError"));
}
{
QScriptEngine eng;
QScriptValue ret = eng.evaluate("o = { " + word + ": 123 }");
// in the old back-end and in SpiderMonkey this is allowed, but not in JSC
QVERIFY(ret.isError());
QVERIFY(ret.toString().startsWith("SyntaxError"));
}
{
// SpiderMonkey allows this, but we don't
QScriptEngine eng;
QScriptValue ret = eng.evaluate("function " + word + "() {}");
QVERIFY(ret.isError());
QVERIFY(ret.toString().startsWith("SyntaxError"));
}
}
void tst_QScriptEngine::jsFutureReservedWords_data()
{
QTest::addColumn<QString>("word");
QTest::addColumn<bool>("allowed");
QTest::newRow("abstract") << QString("abstract") << true;
QTest::newRow("boolean") << QString("boolean") << true;
QTest::newRow("byte") << QString("byte") << true;
QTest::newRow("char") << QString("char") << true;
QTest::newRow("class") << QString("class") << false;
QTest::newRow("const") << QString("const") << false;
QTest::newRow("debugger") << QString("debugger") << false;
QTest::newRow("double") << QString("double") << true;
QTest::newRow("enum") << QString("enum") << false;
QTest::newRow("export") << QString("export") << false;
QTest::newRow("extends") << QString("extends") << false;
QTest::newRow("final") << QString("final") << true;
QTest::newRow("float") << QString("float") << true;
QTest::newRow("goto") << QString("goto") << true;
QTest::newRow("implements") << QString("implements") << true;
QTest::newRow("import") << QString("import") << false;
QTest::newRow("int") << QString("int") << true;
QTest::newRow("interface") << QString("interface") << true;
QTest::newRow("long") << QString("long") << true;
QTest::newRow("native") << QString("native") << true;
QTest::newRow("package") << QString("package") << true;
QTest::newRow("private") << QString("private") << true;
QTest::newRow("protected") << QString("protected") << true;
QTest::newRow("public") << QString("public") << true;
QTest::newRow("short") << QString("short") << true;
QTest::newRow("static") << QString("static") << true;
QTest::newRow("super") << QString("super") << false;
QTest::newRow("synchronized") << QString("synchronized") << true;
QTest::newRow("throws") << QString("throws") << true;
QTest::newRow("transient") << QString("transient") << true;
QTest::newRow("volatile") << QString("volatile") << true;
}
void tst_QScriptEngine::jsFutureReservedWords()
{
// See ECMA-262 Section 7.6.1.2, "Future Reserved Words".
// In real-world implementations, most of these words are
// actually allowed as normal identifiers.
QFETCH(QString, word);
QFETCH(bool, allowed);
{
QScriptEngine eng;
QScriptValue ret = eng.evaluate(word + " = 123");
QCOMPARE(!ret.isError(), allowed);
}
{
QScriptEngine eng;
QScriptValue ret = eng.evaluate("var " + word + " = 123");
QCOMPARE(!ret.isError(), allowed);
}
{
// this should probably be allowed (see task 162567)
QScriptEngine eng;
QScriptValue ret = eng.evaluate("o = {}; o." + word + " = 123");
QCOMPARE(ret.isNumber(), allowed);
QCOMPARE(!ret.isError(), allowed);
}
{
// this should probably be allowed (see task 162567)
QScriptEngine eng;
QScriptValue ret = eng.evaluate("o = { " + word + ": 123 }");
QCOMPARE(!ret.isError(), allowed);
}
}
void tst_QScriptEngine::jsThrowInsideWithStatement()
{
// This is testing ECMA-262 compliance, not C++ API.
// task 209988
QScriptEngine eng;
{
QScriptValue ret = eng.evaluate(
"try {"
" o = { bad : \"bug\" };"
" with (o) {"
" throw 123;"
" }"
"} catch (e) {"
" bad;"
"}");
QVERIFY(ret.isError());
QVERIFY(ret.toString().contains(QString::fromLatin1("ReferenceError")));
}
{
QScriptValue ret = eng.evaluate(
"try {"
" o = { bad : \"bug\" };"
" with (o) {"
" throw 123;"
" }"
"} finally {"
" bad;"
"}");
QVERIFY(ret.isError());
QVERIFY(ret.toString().contains(QString::fromLatin1("ReferenceError")));
}
{
eng.clearExceptions();
QScriptValue ret = eng.evaluate(
"o = { bug : \"no bug\" };"
"with (o) {"
" try {"
" throw 123;"
" } finally {"
" bug;"
" }"
"}");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 123);
QVERIFY(eng.hasUncaughtException());
}
{
eng.clearExceptions();
QScriptValue ret = eng.evaluate(
"o = { bug : \"no bug\" };"
"with (o) {"
" throw 123;"
"}");
QVERIFY(ret.isNumber());
QScriptValue ret2 = eng.evaluate("bug");
QVERIFY(ret2.isError());
QVERIFY(ret2.toString().contains(QString::fromLatin1("ReferenceError")));
}
}
class TestAgent : public QScriptEngineAgent
{
public:
TestAgent(QScriptEngine *engine) : QScriptEngineAgent(engine) {}
};
void tst_QScriptEngine::getSetAgent_ownership()
{
// engine deleted before agent --> agent deleted too
QScriptEngine *eng = new QScriptEngine;
QCOMPARE(eng->agent(), (QScriptEngineAgent*)0);
TestAgent *agent = new TestAgent(eng);
eng->setAgent(agent);
QCOMPARE(eng->agent(), (QScriptEngineAgent*)agent);
eng->setAgent(0); // the engine maintains ownership of the old agent
QCOMPARE(eng->agent(), (QScriptEngineAgent*)0);
delete eng;
}
void tst_QScriptEngine::getSetAgent_deleteAgent()
{
// agent deleted before engine --> engine's agent should become 0
QScriptEngine *eng = new QScriptEngine;
TestAgent *agent = new TestAgent(eng);
eng->setAgent(agent);
QCOMPARE(eng->agent(), (QScriptEngineAgent*)agent);
delete agent;
QCOMPARE(eng->agent(), (QScriptEngineAgent*)0);
eng->evaluate("(function(){ return 123; })()");
delete eng;
}
void tst_QScriptEngine::getSetAgent_differentEngine()
{
QScriptEngine eng;
QScriptEngine eng2;
TestAgent *agent = new TestAgent(&eng);
QTest::ignoreMessage(QtWarningMsg, "QScriptEngine::setAgent(): cannot set agent belonging to different engine");
eng2.setAgent(agent);
QCOMPARE(eng2.agent(), (QScriptEngineAgent*)0);
}
void tst_QScriptEngine::reentrancy_stringHandles()
{
QScriptEngine eng1;
QScriptEngine eng2;
QScriptString s1 = eng1.toStringHandle("foo");
QScriptString s2 = eng2.toStringHandle("foo");
QVERIFY(s1 != s2);
}
void tst_QScriptEngine::reentrancy_processEventsInterval()
{
QScriptEngine eng1;
QScriptEngine eng2;
eng1.setProcessEventsInterval(123);
QCOMPARE(eng2.processEventsInterval(), -1);
eng2.setProcessEventsInterval(456);
QCOMPARE(eng1.processEventsInterval(), 123);
}
void tst_QScriptEngine::reentrancy_typeConversion()
{
QScriptEngine eng1;
QScriptEngine eng2;
qScriptRegisterMetaType<Foo>(&eng1, fooToScriptValue, fooFromScriptValue);
Foo foo;
foo.x = 12;
foo.y = 34;
{
QScriptValue fooVal = qScriptValueFromValue(&eng1, foo);
QVERIFY(fooVal.isObject());
QVERIFY(!fooVal.isVariant());
QCOMPARE(fooVal.property("x").toInt32(), 12);
QCOMPARE(fooVal.property("y").toInt32(), 34);
fooVal.setProperty("x", 56);
fooVal.setProperty("y", 78);
Foo foo2 = qScriptValueToValue<Foo>(fooVal);
QCOMPARE(foo2.x, 56);
QCOMPARE(foo2.y, 78);
}
{
QScriptValue fooVal = qScriptValueFromValue(&eng2, foo);
QVERIFY(fooVal.isVariant());
Foo foo2 = qScriptValueToValue<Foo>(fooVal);
QCOMPARE(foo2.x, 12);
QCOMPARE(foo2.y, 34);
}
QVERIFY(!eng1.defaultPrototype(qMetaTypeId<Foo>()).isValid());
QVERIFY(!eng2.defaultPrototype(qMetaTypeId<Foo>()).isValid());
QScriptValue proto1 = eng1.newObject();
eng1.setDefaultPrototype(qMetaTypeId<Foo>(), proto1);
QVERIFY(!eng2.defaultPrototype(qMetaTypeId<Foo>()).isValid());
QScriptValue proto2 = eng2.newObject();
eng2.setDefaultPrototype(qMetaTypeId<Foo>(), proto2);
QVERIFY(eng2.defaultPrototype(qMetaTypeId<Foo>()).isValid());
QVERIFY(eng1.defaultPrototype(qMetaTypeId<Foo>()).strictlyEquals(proto1));
}
void tst_QScriptEngine::reentrancy_globalObjectProperties()
{
QScriptEngine eng1;
QScriptEngine eng2;
QVERIFY(!eng2.globalObject().property("a").isValid());
eng1.evaluate("a = 10");
QVERIFY(eng1.globalObject().property("a").isNumber());
QVERIFY(!eng2.globalObject().property("a").isValid());
eng2.evaluate("a = 20");
QVERIFY(eng2.globalObject().property("a").isNumber());
QCOMPARE(eng1.globalObject().property("a").toInt32(), 10);
}
void tst_QScriptEngine::reentrancy_Array()
{
// weird bug with JSC backend
{
QScriptEngine eng;
QCOMPARE(eng.evaluate("Array()").toString(), QString());
eng.evaluate("Array.prototype.toString");
QCOMPARE(eng.evaluate("Array()").toString(), QString());
}
{
QScriptEngine eng;
QCOMPARE(eng.evaluate("Array()").toString(), QString());
}
}
void tst_QScriptEngine::reentrancy_objectCreation()
{
QScriptEngine eng1;
QScriptEngine eng2;
{
QScriptValue d1 = eng1.newDate(0);
QScriptValue d2 = eng2.newDate(0);
QCOMPARE(d1.toDateTime(), d2.toDateTime());
QCOMPARE(d2.toDateTime(), d1.toDateTime());
}
{
QScriptValue r1 = eng1.newRegExp("foo", "gim");
QScriptValue r2 = eng2.newRegExp("foo", "gim");
QCOMPARE(r1.toRegExp(), r2.toRegExp());
QCOMPARE(r2.toRegExp(), r1.toRegExp());
}
{
QScriptValue o1 = eng1.newQObject(this);
QScriptValue o2 = eng2.newQObject(this);
QCOMPARE(o1.toQObject(), o2.toQObject());
QCOMPARE(o2.toQObject(), o1.toQObject());
}
{
QScriptValue mo1 = eng1.newQMetaObject(&staticMetaObject);
QScriptValue mo2 = eng2.newQMetaObject(&staticMetaObject);
QCOMPARE(mo1.toQMetaObject(), mo2.toQMetaObject());
QCOMPARE(mo2.toQMetaObject(), mo1.toQMetaObject());
}
}
void tst_QScriptEngine::jsIncDecNonObjectProperty()
{
// This is testing ECMA-262 compliance, not C++ API.
QScriptEngine eng;
{
QScriptValue ret = eng.evaluate("var a; a.n++");
QVERIFY(ret.isError());
QVERIFY(ret.toString().contains(QString::fromLatin1("TypeError")));
}
{
QScriptValue ret = eng.evaluate("var a; a.n--");
QVERIFY(ret.isError());
QVERIFY(ret.toString().contains(QString::fromLatin1("TypeError")));
}
{
QScriptValue ret = eng.evaluate("var a = null; a.n++");
QVERIFY(ret.isError());
QVERIFY(ret.toString().contains(QString::fromLatin1("TypeError")));
}
{
QScriptValue ret = eng.evaluate("var a = null; a.n--");
QVERIFY(ret.isError());
QVERIFY(ret.toString().contains(QString::fromLatin1("TypeError")));
}
{
QScriptValue ret = eng.evaluate("var a; ++a.n");
QVERIFY(ret.isError());
QVERIFY(ret.toString().contains(QString::fromLatin1("TypeError")));
}
{
QScriptValue ret = eng.evaluate("var a; --a.n");
QVERIFY(ret.isError());
QVERIFY(ret.toString().contains(QString::fromLatin1("TypeError")));
}
{
QScriptValue ret = eng.evaluate("var a; a.n += 1");
QVERIFY(ret.isError());
QVERIFY(ret.toString().contains(QString::fromLatin1("TypeError")));
}
{
QScriptValue ret = eng.evaluate("var a; a.n -= 1");
QVERIFY(ret.isError());
QVERIFY(ret.toString().contains(QString::fromLatin1("TypeError")));
}
{
QScriptValue ret = eng.evaluate("var a = 'ciao'; a.length++");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 4);
}
{
QScriptValue ret = eng.evaluate("var a = 'ciao'; a.length--");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 4);
}
{
QScriptValue ret = eng.evaluate("var a = 'ciao'; ++a.length");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 5);
}
{
QScriptValue ret = eng.evaluate("var a = 'ciao'; --a.length");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 3);
}
}
void tst_QScriptEngine::installTranslatorFunctions_data()
{
QTest::addColumn<bool>("useCustomGlobalObject");
QTest::newRow("Default global object") << false;
QTest::newRow("Custom global object") << true;
}
void tst_QScriptEngine::installTranslatorFunctions()
{
QFETCH(bool, useCustomGlobalObject);
QScriptEngine eng;
QScriptValue globalOrig = eng.globalObject();
QScriptValue global;
if (useCustomGlobalObject) {
global = eng.newObject();
eng.setGlobalObject(global);
} else {
global = globalOrig;
}
QVERIFY(!global.property("qsTranslate").isValid());
QVERIFY(!global.property("QT_TRANSLATE_NOOP").isValid());
QVERIFY(!global.property("qsTr").isValid());
QVERIFY(!global.property("QT_TR_NOOP").isValid());
QVERIFY(!global.property("qsTrId").isValid());
QVERIFY(!global.property("QT_TRID_NOOP").isValid());
QVERIFY(!globalOrig.property("String").property("prototype").property("arg").isValid());
eng.installTranslatorFunctions();
QVERIFY(global.property("qsTranslate").isFunction());
QVERIFY(global.property("QT_TRANSLATE_NOOP").isFunction());
QVERIFY(global.property("qsTr").isFunction());
QVERIFY(global.property("QT_TR_NOOP").isFunction());
QVERIFY(global.property("qsTrId").isFunction());
QVERIFY(global.property("QT_TRID_NOOP").isFunction());
QVERIFY(globalOrig.property("String").property("prototype").property("arg").isFunction());
if (useCustomGlobalObject) {
QVERIFY(!globalOrig.property("qsTranslate").isValid());
QVERIFY(!globalOrig.property("QT_TRANSLATE_NOOP").isValid());
QVERIFY(!globalOrig.property("qsTr").isValid());
QVERIFY(!globalOrig.property("QT_TR_NOOP").isValid());
QVERIFY(!globalOrig.property("qsTrId").isValid());
QVERIFY(!globalOrig.property("QT_TRID_NOOP").isValid());
}
{
QScriptValue ret = eng.evaluate("qsTr('foo')");
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("foo"));
}
{
QScriptValue ret = eng.evaluate("qsTranslate('foo', 'bar')");
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("bar"));
}
{
QScriptValue ret = eng.evaluate("QT_TR_NOOP('foo')");
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("foo"));
}
{
QScriptValue ret = eng.evaluate("QT_TRANSLATE_NOOP('foo', 'bar')");
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("bar"));
}
{
QScriptValue ret = eng.evaluate("'foo%0'.arg('bar')");
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("foobar"));
}
{
QScriptValue ret = eng.evaluate("'foo%0'.arg(123)");
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("foo123"));
}
{
// Maybe this should throw an error?
QScriptValue ret = eng.evaluate("'foo%0'.arg()");
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString());
}
{
QScriptValue ret = eng.evaluate("qsTrId('foo')");
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("foo"));
}
{
QScriptValue ret = eng.evaluate("QT_TRID_NOOP('foo')");
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), QString::fromLatin1("foo"));
}
QVERIFY(eng.evaluate("QT_TRID_NOOP()").isUndefined());
}
class TranslationScope
{
public:
TranslationScope(const QString &fileName)
{
translator.load(fileName);
QCoreApplication::instance()->installTranslator(&translator);
}
~TranslationScope()
{
QCoreApplication::instance()->removeTranslator(&translator);
}
private:
QTranslator translator;
};
void tst_QScriptEngine::translateScript_data()
{
QTest::addColumn<QString>("expression");
QTest::addColumn<QString>("fileName");
QTest::addColumn<QString>("expectedTranslation");
QString fileName = QString::fromLatin1("translatable.js");
// Top-level
QTest::newRow("qsTr('One')@translatable.js")
<< QString::fromLatin1("qsTr('One')") << fileName << QString::fromLatin1("En");
QTest::newRow("qsTr('Hello')@translatable.js")
<< QString::fromLatin1("qsTr('Hello')") << fileName << QString::fromLatin1("Hallo");
// From function
QTest::newRow("(function() { return qsTr('One'); })()@translatable.js")
<< QString::fromLatin1("(function() { return qsTr('One'); })()") << fileName << QString::fromLatin1("En");
QTest::newRow("(function() { return qsTr('Hello'); })()@translatable.js")
<< QString::fromLatin1("(function() { return qsTr('Hello'); })()") << fileName << QString::fromLatin1("Hallo");
// From eval
QTest::newRow("eval('qsTr(\\'One\\')')@translatable.js")
<< QString::fromLatin1("eval('qsTr(\\'One\\')')") << fileName << QString::fromLatin1("En");
QTest::newRow("eval('qsTr(\\'Hello\\')')@translatable.js")
<< QString::fromLatin1("eval('qsTr(\\'Hello\\')')") << fileName << QString::fromLatin1("Hallo");
// Plural
QTest::newRow("qsTr('%n message(s) saved', '', 1)@translatable.js")
<< QString::fromLatin1("qsTr('%n message(s) saved', '', 1)") << fileName << QString::fromLatin1("1 melding lagret");
QTest::newRow("qsTr('%n message(s) saved', '', 3).arg@translatable.js")
<< QString::fromLatin1("qsTr('%n message(s) saved', '', 3)") << fileName << QString::fromLatin1("3 meldinger lagret");
// Top-level
QTest::newRow("qsTranslate('FooContext', 'Two')@translatable.js")
<< QString::fromLatin1("qsTranslate('FooContext', 'Two')") << fileName << QString::fromLatin1("To");
QTest::newRow("qsTranslate('FooContext', 'Goodbye')@translatable.js")
<< QString::fromLatin1("qsTranslate('FooContext', 'Goodbye')") << fileName << QString::fromLatin1("Farvel");
// From eval
QTest::newRow("eval('qsTranslate(\\'FooContext\\', \\'Two\\')')@translatable.js")
<< QString::fromLatin1("eval('qsTranslate(\\'FooContext\\', \\'Two\\')')") << fileName << QString::fromLatin1("To");
QTest::newRow("eval('qsTranslate(\\'FooContext\\', \\'Goodbye\\')')@translatable.js")
<< QString::fromLatin1("eval('qsTranslate(\\'FooContext\\', \\'Goodbye\\')')") << fileName << QString::fromLatin1("Farvel");
QTest::newRow("qsTranslate('FooContext', 'Goodbye', '')@translatable.js")
<< QString::fromLatin1("qsTranslate('FooContext', 'Goodbye', '')") << fileName << QString::fromLatin1("Farvel");
QTest::newRow("qsTranslate('FooContext', 'Goodbye', '', 42)@translatable.js")
<< QString::fromLatin1("qsTranslate('FooContext', 'Goodbye', '', 42)") << fileName << QString::fromLatin1("Goodbye");
QTest::newRow("qsTr('One', 'not the same one')@translatable.js")
<< QString::fromLatin1("qsTr('One', 'not the same one')") << fileName << QString::fromLatin1("Enda en");
QTest::newRow("qsTr('One', 'not the same one', 42)@translatable.js")
<< QString::fromLatin1("qsTr('One', 'not the same one', 42)") << fileName << QString::fromLatin1("One");
// Plural
QTest::newRow("qsTranslate('FooContext', '%n fooish bar(s) found', '', 1)@translatable.js")
<< QString::fromLatin1("qsTranslate('FooContext', '%n fooish bar(s) found', '', 1)") << fileName << QString::fromLatin1("1 fooaktig bar funnet");
QTest::newRow("qsTranslate('FooContext', '%n fooish bar(s) found', '', 2)@translatable.js")
<< QString::fromLatin1("qsTranslate('FooContext', '%n fooish bar(s) found', '', 2)") << fileName << QString::fromLatin1("2 fooaktige barer funnet");
// Don't exist in translation
QTest::newRow("qsTr('Three')@translatable.js")
<< QString::fromLatin1("qsTr('Three')") << fileName << QString::fromLatin1("Three");
QTest::newRow("qsTranslate('FooContext', 'So long')@translatable.js")
<< QString::fromLatin1("qsTranslate('FooContext', 'So long')") << fileName << QString::fromLatin1("So long");
QTest::newRow("qsTranslate('BarContext', 'Goodbye')@translatable.js")
<< QString::fromLatin1("qsTranslate('BarContext', 'Goodbye')") << fileName << QString::fromLatin1("Goodbye");
// Translate strings from the second script (translatable2.js)
QString fileName2 = QString::fromLatin1("translatable2.js");
QTest::newRow("qsTr('Three')@translatable2.js")
<< QString::fromLatin1("qsTr('Three')") << fileName2 << QString::fromLatin1("Tre");
QTest::newRow("qsTr('Happy birthday!')@translatable2.js")
<< QString::fromLatin1("qsTr('Happy birthday!')") << fileName2 << QString::fromLatin1("Gratulerer med dagen!");
// Not translated because translation is only in translatable.js
QTest::newRow("qsTr('One')@translatable2.js")
<< QString::fromLatin1("qsTr('One')") << fileName2 << QString::fromLatin1("One");
QTest::newRow("(function() { return qsTr('One'); })()@translatable2.js")
<< QString::fromLatin1("(function() { return qsTr('One'); })()") << fileName2 << QString::fromLatin1("One");
// For qsTranslate() the filename shouldn't matter
QTest::newRow("qsTranslate('FooContext', 'Two')@translatable2.js")
<< QString::fromLatin1("qsTranslate('FooContext', 'Two')") << fileName2 << QString::fromLatin1("To");
QTest::newRow("qsTranslate('BarContext', 'Congratulations!')@translatable.js")
<< QString::fromLatin1("qsTranslate('BarContext', 'Congratulations!')") << fileName << QString::fromLatin1("Gratulerer!");
}
void tst_QScriptEngine::translateScript()
{
QFETCH(QString, expression);
QFETCH(QString, fileName);
QFETCH(QString, expectedTranslation);
QScriptEngine engine;
TranslationScope tranScope(":/translations/translatable_la");
engine.installTranslatorFunctions();
QCOMPARE(engine.evaluate(expression, fileName).toString(), expectedTranslation);
QVERIFY(!engine.hasUncaughtException());
}
void tst_QScriptEngine::translateScript_crossScript()
{
QScriptEngine engine;
TranslationScope tranScope(":/translations/translatable_la");
engine.installTranslatorFunctions();
QString fileName = QString::fromLatin1("translatable.js");
QString fileName2 = QString::fromLatin1("translatable2.js");
// qsTr() should use the innermost filename as context
engine.evaluate("function foo(s) { return bar(s); }", fileName);
engine.evaluate("function bar(s) { return qsTr(s); }", fileName2);
QCOMPARE(engine.evaluate("bar('Three')", fileName2).toString(), QString::fromLatin1("Tre"));
QCOMPARE(engine.evaluate("bar('Three')", fileName).toString(), QString::fromLatin1("Tre"));
QCOMPARE(engine.evaluate("bar('One')", fileName2).toString(), QString::fromLatin1("One"));
engine.evaluate("function foo(s) { return bar(s); }", fileName2);
engine.evaluate("function bar(s) { return qsTr(s); }", fileName);
QCOMPARE(engine.evaluate("bar('Three')", fileName2).toString(), QString::fromLatin1("Three"));
QCOMPARE(engine.evaluate("bar('One')", fileName).toString(), QString::fromLatin1("En"));
QCOMPARE(engine.evaluate("bar('One')", fileName2).toString(), QString::fromLatin1("En"));
}
static QScriptValue callQsTr(QScriptContext *ctx, QScriptEngine *eng)
{
return eng->globalObject().property("qsTr").call(ctx->thisObject(), ctx->argumentsObject());
}
void tst_QScriptEngine::translateScript_callQsTrFromNative()
{
QScriptEngine engine;
TranslationScope tranScope(":/translations/translatable_la");
engine.installTranslatorFunctions();
QString fileName = QString::fromLatin1("translatable.js");
QString fileName2 = QString::fromLatin1("translatable2.js");
// Calling qsTr() from a native function
engine.globalObject().setProperty("qsTrProxy", engine.newFunction(callQsTr));
QCOMPARE(engine.evaluate("qsTrProxy('One')", fileName).toString(), QString::fromLatin1("En"));
QCOMPARE(engine.evaluate("qsTrProxy('One')", fileName2).toString(), QString::fromLatin1("One"));
QCOMPARE(engine.evaluate("qsTrProxy('Three')", fileName).toString(), QString::fromLatin1("Three"));
QCOMPARE(engine.evaluate("qsTrProxy('Three')", fileName2).toString(), QString::fromLatin1("Tre"));
}
void tst_QScriptEngine::translateScript_trNoOp()
{
QScriptEngine engine;
TranslationScope tranScope(":/translations/translatable_la");
engine.installTranslatorFunctions();
QVERIFY(engine.evaluate("QT_TR_NOOP()").isUndefined());
QCOMPARE(engine.evaluate("QT_TR_NOOP('One')").toString(), QString::fromLatin1("One"));
QVERIFY(engine.evaluate("QT_TRANSLATE_NOOP()").isUndefined());
QVERIFY(engine.evaluate("QT_TRANSLATE_NOOP('FooContext')").isUndefined());
QCOMPARE(engine.evaluate("QT_TRANSLATE_NOOP('FooContext', 'Two')").toString(), QString::fromLatin1("Two"));
}
void tst_QScriptEngine::translateScript_callQsTrFromCpp()
{
QScriptEngine engine;
TranslationScope tranScope(":/translations/translatable_la");
engine.installTranslatorFunctions();
// There is no context, but it shouldn't crash
QCOMPARE(engine.globalObject().property("qsTr").call(
QScriptValue(), QScriptValueList() << "One").toString(), QString::fromLatin1("One"));
}
void tst_QScriptEngine::translateWithInvalidArgs_data()
{
QTest::addColumn<QString>("expression");
QTest::addColumn<QString>("expectedError");
QTest::newRow("qsTr()") << "qsTr()" << "Error: qsTr() requires at least one argument";
QTest::newRow("qsTr(123)") << "qsTr(123)" << "Error: qsTr(): first argument (text) must be a string";
QTest::newRow("qsTr('foo', 123)") << "qsTr('foo', 123)" << "Error: qsTr(): second argument (comment) must be a string";
QTest::newRow("qsTr('foo', 'bar', 'baz')") << "qsTr('foo', 'bar', 'baz')" << "Error: qsTr(): third argument (n) must be a number";
QTest::newRow("qsTr('foo', 'bar', true)") << "qsTr('foo', 'bar', true)" << "Error: qsTr(): third argument (n) must be a number";
QTest::newRow("qsTranslate()") << "qsTranslate()" << "Error: qsTranslate() requires at least two arguments";
QTest::newRow("qsTranslate('foo')") << "qsTranslate('foo')" << "Error: qsTranslate() requires at least two arguments";
QTest::newRow("qsTranslate(123, 'foo')") << "qsTranslate(123, 'foo')" << "Error: qsTranslate(): first argument (context) must be a string";
QTest::newRow("qsTranslate('foo', 123)") << "qsTranslate('foo', 123)" << "Error: qsTranslate(): second argument (text) must be a string";
QTest::newRow("qsTranslate('foo', 'bar', 123)") << "qsTranslate('foo', 'bar', 123)" << "Error: qsTranslate(): third argument (comment) must be a string";
QTest::newRow("qsTranslate('foo', 'bar', 'baz', 'zab', 'rab')") << "qsTranslate('foo', 'bar', 'baz', 'zab', 'rab')" << "Error: qsTranslate(): fifth argument (n) must be a number";
QTest::newRow("qsTrId()") << "qsTrId()" << "Error: qsTrId() requires at least one argument";
QTest::newRow("qsTrId(123)") << "qsTrId(123)" << "TypeError: qsTrId(): first argument (id) must be a string";
QTest::newRow("qsTrId('foo', 'bar')") << "qsTrId('foo', 'bar')" << "TypeError: qsTrId(): second argument (n) must be a number";
}
void tst_QScriptEngine::translateWithInvalidArgs()
{
QFETCH(QString, expression);
QFETCH(QString, expectedError);
QScriptEngine engine;
engine.installTranslatorFunctions();
QScriptValue result = engine.evaluate(expression);
QVERIFY(result.isError());
QCOMPARE(result.toString(), expectedError);
}
void tst_QScriptEngine::translationContext_data()
{
QTest::addColumn<QString>("path");
QTest::addColumn<QString>("text");
QTest::addColumn<QString>("expectedTranslation");
QTest::newRow("translatable.js") << "translatable.js" << "One" << "En";
QTest::newRow("/translatable.js") << "/translatable.js" << "One" << "En";
QTest::newRow("/foo/translatable.js") << "/foo/translatable.js" << "One" << "En";
QTest::newRow("/foo/bar/translatable.js") << "/foo/bar/translatable.js" << "One" << "En";
QTest::newRow("./translatable.js") << "./translatable.js" << "One" << "En";
QTest::newRow("../translatable.js") << "../translatable.js" << "One" << "En";
QTest::newRow("foo/translatable.js") << "foo/translatable.js" << "One" << "En";
QTest::newRow("file:///home/qt/translatable.js") << "file:///home/qt/translatable.js" << "One" << "En";
QTest::newRow(":/resources/translatable.js") << ":/resources/translatable.js" << "One" << "En";
QTest::newRow("/translatable.js.foo") << "/translatable.js.foo" << "One" << "En";
QTest::newRow("/translatable.txt") << "/translatable.txt" << "One" << "En";
QTest::newRow("translatable") << "translatable" << "One" << "En";
QTest::newRow("foo/translatable") << "foo/translatable" << "One" << "En";
QTest::newRow("native separators")
<< (QDir::toNativeSeparators(QDir::currentPath()) + QDir::separator() + "translatable.js")
<< "One" << "En";
QTest::newRow("translatable.js/") << "translatable.js/" << "One" << "One";
QTest::newRow("nosuchscript.js") << "" << "One" << "One";
QTest::newRow("(empty)") << "" << "One" << "One";
}
void tst_QScriptEngine::translationContext()
{
TranslationScope tranScope(":/translations/translatable_la");
QScriptEngine engine;
engine.installTranslatorFunctions();
QFETCH(QString, path);
QFETCH(QString, text);
QFETCH(QString, expectedTranslation);
QScriptValue ret = engine.evaluate(QString::fromLatin1("qsTr('%0')").arg(text), path);
QVERIFY(ret.isString());
QCOMPARE(ret.toString(), expectedTranslation);
}
void tst_QScriptEngine::translateScriptIdBased()
{
QScriptEngine engine;
TranslationScope tranScope(":/translations/idtranslatable_la");
engine.installTranslatorFunctions();
QString fileName = QString::fromLatin1("idtranslatable.js");
QHash<QString, QString> expectedTranslations;
expectedTranslations["qtn_foo_bar"] = "First string";
expectedTranslations["qtn_needle"] = "Second string";
expectedTranslations["qtn_haystack"] = "Third string";
expectedTranslations["qtn_bar_baz"] = "Fourth string";
QHash<QString, QString>::const_iterator it;
for (it = expectedTranslations.constBegin(); it != expectedTranslations.constEnd(); ++it) {
for (int x = 0; x < 2; ++x) {
QString fn;
if (x)
fn = fileName;
// Top-level
QCOMPARE(engine.evaluate(QString::fromLatin1("qsTrId('%0')")
.arg(it.key()), fn).toString(),
it.value());
QCOMPARE(engine.evaluate(QString::fromLatin1("QT_TRID_NOOP('%0')")
.arg(it.key()), fn).toString(),
it.key());
// From function
QCOMPARE(engine.evaluate(QString::fromLatin1("(function() { return qsTrId('%0'); })()")
.arg(it.key()), fn).toString(),
it.value());
QCOMPARE(engine.evaluate(QString::fromLatin1("(function() { return QT_TRID_NOOP('%0'); })()")
.arg(it.key()), fn).toString(),
it.key());
}
}
// Plural form
QCOMPARE(engine.evaluate("qsTrId('qtn_bar_baz', 10)").toString(),
QString::fromLatin1("10 fooish bar(s) found"));
QCOMPARE(engine.evaluate("qsTrId('qtn_foo_bar', 10)").toString(),
QString::fromLatin1("qtn_foo_bar")); // Doesn't have plural
}
// How to add a new test row:
// - Find a nice list of Unicode characters to choose from
// - Write source string/context/comment in .js using Unicode escape sequences (\uABCD)
// - Update corresponding .ts file (e.g. lupdate foo.js -ts foo.ts -codecfortr UTF-8)
// - Enter translation in Linguist
// - Update corresponding .qm file (e.g. lrelease foo.ts)
// - Evaluate script that performs translation; make sure the correct result is returned
// (e.g. by setting the resulting string as the text of a QLabel and visually verifying
// that it looks the same as what you entered in Linguist :-) )
// - Generate the expectedTranslation column data using toUtf8().toHex()
void tst_QScriptEngine::translateScriptUnicode_data()
{
QTest::addColumn<QString>("expression");
QTest::addColumn<QString>("fileName");
QTest::addColumn<QString>("expectedTranslation");
QString fileName = QString::fromLatin1("translatable-unicode.js");
QTest::newRow("qsTr('H\\u2082O')@translatable-unicode.js")
<< QString::fromLatin1("qsTr('H\\u2082O')") << fileName << QString::fromUtf8("\xcd\xbb\xcd\xbc\xcd\xbd");
QTest::newRow("qsTranslate('\\u010C\\u0101\\u011F\\u0115', 'CO\\u2082')@translatable-unicode.js")
<< QString::fromLatin1("qsTranslate('\\u010C\\u0101\\u011F\\u0115', 'CO\\u2082')") << fileName << QString::fromUtf8("\xd7\x91\xd7\x9a\xd7\xa2");
QTest::newRow("qsTr('\\u0391\\u0392\\u0393')@translatable-unicode.js")
<< QString::fromLatin1("qsTr('\\u0391\\u0392\\u0393')") << fileName << QString::fromUtf8("\xd3\x9c\xd2\xb4\xd1\xbc");
QTest::newRow("qsTranslate('\\u010C\\u0101\\u011F\\u0115', '\\u0414\\u0415\\u0416')@translatable-unicode.js")
<< QString::fromLatin1("qsTranslate('\\u010C\\u0101\\u011F\\u0115', '\\u0414\\u0415\\u0416')") << fileName << QString::fromUtf8("\xd8\xae\xd8\xb3\xd8\xb3");
QTest::newRow("qsTr('H\\u2082O', 'not the same H\\u2082O')@translatable-unicode.js")
<< QString::fromLatin1("qsTr('H\\u2082O', 'not the same H\\u2082O')") << fileName << QString::fromUtf8("\xd4\xb6\xd5\x8a\xd5\x92");
QTest::newRow("qsTr('H\\u2082O')")
<< QString::fromLatin1("qsTr('H\\u2082O')") << QString() << QString::fromUtf8("\x48\xe2\x82\x82\x4f");
QTest::newRow("qsTranslate('\\u010C\\u0101\\u011F\\u0115', 'CO\\u2082')")
<< QString::fromLatin1("qsTranslate('\\u010C\\u0101\\u011F\\u0115', 'CO\\u2082')") << QString() << QString::fromUtf8("\xd7\x91\xd7\x9a\xd7\xa2");
}
void tst_QScriptEngine::translateScriptUnicode()
{
QFETCH(QString, expression);
QFETCH(QString, fileName);
QFETCH(QString, expectedTranslation);
QScriptEngine engine;
TranslationScope tranScope(":/translations/translatable-unicode");
engine.installTranslatorFunctions();
QCOMPARE(engine.evaluate(expression, fileName).toString(), expectedTranslation);
QVERIFY(!engine.hasUncaughtException());
}
void tst_QScriptEngine::translateScriptUnicodeIdBased_data()
{
QTest::addColumn<QString>("expression");
QTest::addColumn<QString>("expectedTranslation");
QTest::newRow("qsTrId('\\u01F8\\u01D2\\u0199\\u01D0\\u01E1'')")
<< QString::fromLatin1("qsTrId('\\u01F8\\u01D2\\u0199\\u01D0\\u01E1')") << QString::fromUtf8("\xc6\xa7\xc6\xb0\xc6\x88\xc8\xbc\xc8\x9d\xc8\xbf\xc8\x99");
QTest::newRow("qsTrId('\\u0191\\u01CE\\u0211\\u0229\\u019C\\u018E\\u019A\\u01D0')")
<< QString::fromLatin1("qsTrId('\\u0191\\u01CE\\u0211\\u0229\\u019C\\u018E\\u019A\\u01D0')") << QString::fromUtf8("\xc7\xa0\xc8\xa1\xc8\x8b\xc8\x85\xc8\x95");
QTest::newRow("qsTrId('\\u0181\\u01A1\\u0213\\u018F\\u018C', 10)")
<< QString::fromLatin1("qsTrId('\\u0181\\u01A1\\u0213\\u018F\\u018C', 10)") << QString::fromUtf8("\x31\x30\x20\xc6\x92\xc6\xa1\xc7\x92\x28\xc8\x99\x29");
QTest::newRow("qsTrId('\\u0181\\u01A1\\u0213\\u018F\\u018C')")
<< QString::fromLatin1("qsTrId('\\u0181\\u01A1\\u0213\\u018F\\u018C')") << QString::fromUtf8("\xc6\x91\xc6\xb0\xc7\xb9");
QTest::newRow("qsTrId('\\u01CD\\u0180\\u01A8\\u0190\\u019E\\u01AB')")
<< QString::fromLatin1("qsTrId('\\u01CD\\u0180\\u01A8\\u0190\\u019E\\u01AB')") << QString::fromUtf8("\xc7\x8d\xc6\x80\xc6\xa8\xc6\x90\xc6\x9e\xc6\xab");
}
void tst_QScriptEngine::translateScriptUnicodeIdBased()
{
QFETCH(QString, expression);
QFETCH(QString, expectedTranslation);
QScriptEngine engine;
TranslationScope tranScope(":/translations/idtranslatable-unicode");
engine.installTranslatorFunctions();
QCOMPARE(engine.evaluate(expression).toString(), expectedTranslation);
QVERIFY(!engine.hasUncaughtException());
}
void tst_QScriptEngine::translateFromBuiltinCallback()
{
QScriptEngine eng;
eng.installTranslatorFunctions();
// Callback has no translation context.
eng.evaluate("function foo() { qsTr('foo'); }");
// Stack at translation time will be:
// qsTr, foo, forEach, global
// qsTr() needs to walk to the outer-most (global) frame before it finds
// a translation context, and this should not crash.
eng.evaluate("[10,20].forEach(foo)", "script.js");
}
void tst_QScriptEngine::functionScopes()
{
QScriptEngine eng;
{
// top-level functions have only the global object in their scope
QScriptValue fun = eng.evaluate("(function() {})");
QVERIFY(fun.isFunction());
QEXPECT_FAIL("", "QScriptValue::scope() is internal, not implemented", Abort);
QVERIFY(fun.scope().isObject());
QVERIFY(fun.scope().strictlyEquals(eng.globalObject()));
QVERIFY(!eng.globalObject().scope().isValid());
}
{
QScriptValue fun = eng.globalObject().property("Object");
QVERIFY(fun.isFunction());
// native built-in functions don't have scope
QVERIFY(!fun.scope().isValid());
}
{
// closure
QScriptValue fun = eng.evaluate("(function(arg) { var foo = arg; return function() { return foo; }; })(123)");
QVERIFY(fun.isFunction());
{
QScriptValue ret = fun.call();
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 123);
}
QScriptValue scope = fun.scope();
QVERIFY(scope.isObject());
{
QScriptValue ret = scope.property("foo");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 123);
QCOMPARE(scope.propertyFlags("foo"), QScriptValue::Undeletable);
}
{
QScriptValue ret = scope.property("arg");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 123);
QCOMPARE(scope.propertyFlags("arg"), QScriptValue::Undeletable | QScriptValue::SkipInEnumeration);
}
scope.setProperty("foo", 456);
{
QScriptValue ret = fun.call();
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 456);
}
scope = scope.scope();
QVERIFY(scope.isObject());
QVERIFY(scope.strictlyEquals(eng.globalObject()));
}
}
static QScriptValue counter_inner(QScriptContext *ctx, QScriptEngine *)
{
QScriptValue outerAct = ctx->callee().scope();
double count = outerAct.property("count").toNumber();
outerAct.setProperty("count", count+1);
return count;
}
static QScriptValue counter(QScriptContext *ctx, QScriptEngine *eng)
{
QScriptValue act = ctx->activationObject();
act.setProperty("count", ctx->argument(0).toInt32());
QScriptValue result = eng->newFunction(counter_inner);
result.setScope(act);
return result;
}
static QScriptValue counter_hybrid(QScriptContext *ctx, QScriptEngine *eng)
{
QScriptValue act = ctx->activationObject();
act.setProperty("count", ctx->argument(0).toInt32());
return eng->evaluate("(function() { return count++; })");
}
void tst_QScriptEngine::nativeFunctionScopes()
{
QScriptEngine eng;
{
QScriptValue fun = eng.newFunction(counter);
QScriptValue cnt = fun.call(QScriptValue(), QScriptValueList() << 123);
QVERIFY(cnt.isFunction());
{
QScriptValue ret = cnt.call();
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 123);
}
}
{
QScriptValue fun = eng.newFunction(counter_hybrid);
QScriptValue cnt = fun.call(QScriptValue(), QScriptValueList() << 123);
QVERIFY(cnt.isFunction());
{
QScriptValue ret = cnt.call();
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 123);
}
}
//from http://doc.trolltech.com/latest/qtscript.html#nested-functions-and-the-scope-chain
{
QScriptEngine eng;
eng.evaluate("function counter() { var count = 0; return function() { return count++; } }\n"
"var c1 = counter(); var c2 = counter(); ");
QCOMPARE(eng.evaluate("c1()").toString(), QString::fromLatin1("0"));
QCOMPARE(eng.evaluate("c1()").toString(), QString::fromLatin1("1"));
QCOMPARE(eng.evaluate("c2()").toString(), QString::fromLatin1("0"));
QCOMPARE(eng.evaluate("c2()").toString(), QString::fromLatin1("1"));
QVERIFY(!eng.hasUncaughtException());
}
{
QScriptEngine eng;
eng.globalObject().setProperty("counter", eng.newFunction(counter));
eng.evaluate("var c1 = counter(); var c2 = counter(); ");
QCOMPARE(eng.evaluate("c1()").toString(), QString::fromLatin1("0"));
QCOMPARE(eng.evaluate("c1()").toString(), QString::fromLatin1("1"));
QCOMPARE(eng.evaluate("c2()").toString(), QString::fromLatin1("0"));
QCOMPARE(eng.evaluate("c2()").toString(), QString::fromLatin1("1"));
QVERIFY(!eng.hasUncaughtException());
}
{
QScriptEngine eng;
eng.globalObject().setProperty("counter", eng.newFunction(counter_hybrid));
eng.evaluate("var c1 = counter(); var c2 = counter(); ");
QCOMPARE(eng.evaluate("c1()").toString(), QString::fromLatin1("0"));
QCOMPARE(eng.evaluate("c1()").toString(), QString::fromLatin1("1"));
QCOMPARE(eng.evaluate("c2()").toString(), QString::fromLatin1("0"));
QCOMPARE(eng.evaluate("c2()").toString(), QString::fromLatin1("1"));
QVERIFY(!eng.hasUncaughtException());
}
}
static QScriptValue createProgram(QScriptContext *ctx, QScriptEngine *eng)
{
QString code = ctx->argument(0).toString();
QScriptProgram result(code);
return qScriptValueFromValue(eng, result);
}
void tst_QScriptEngine::evaluateProgram()
{
QScriptEngine eng;
{
QString code("1 + 2");
QString fileName("hello.js");
int lineNumber(123);
QScriptProgram program(code, fileName, lineNumber);
QVERIFY(!program.isNull());
QCOMPARE(program.sourceCode(), code);
QCOMPARE(program.fileName(), fileName);
QCOMPARE(program.firstLineNumber(), lineNumber);
QScriptValue expected = eng.evaluate(code);
for (int x = 0; x < 10; ++x) {
QScriptValue ret = eng.evaluate(program);
QVERIFY(ret.equals(expected));
}
// operator=
QScriptProgram sameProgram = program;
QVERIFY(sameProgram == program);
QVERIFY(eng.evaluate(sameProgram).equals(expected));
// copy constructor
QScriptProgram sameProgram2(program);
QVERIFY(sameProgram2 == program);
QVERIFY(eng.evaluate(sameProgram2).equals(expected));
QScriptProgram differentProgram("2 + 3");
QVERIFY(differentProgram != program);
QVERIFY(!eng.evaluate(differentProgram).equals(expected));
}
}
void tst_QScriptEngine::evaluateProgram_customScope()
{
QScriptEngine eng;
{
QScriptProgram program("a");
QVERIFY(!program.isNull());
{
QScriptValue ret = eng.evaluate(program);
QVERIFY(ret.isError());
QCOMPARE(ret.toString(), QString::fromLatin1("ReferenceError: Can't find variable: a"));
}
QScriptValue obj = eng.newObject();
obj.setProperty("a", 123);
QScriptContext *ctx = eng.currentContext();
ctx->pushScope(obj);
{
QScriptValue ret = eng.evaluate(program);
QVERIFY(!ret.isError());
QVERIFY(ret.equals(obj.property("a")));
}
obj.setProperty("a", QScriptValue());
{
QScriptValue ret = eng.evaluate(program);
QVERIFY(ret.isError());
}
QScriptValue obj2 = eng.newObject();
obj2.setProperty("a", 456);
ctx->pushScope(obj2);
{
QScriptValue ret = eng.evaluate(program);
QVERIFY(!ret.isError());
QVERIFY(ret.equals(obj2.property("a")));
}
ctx->popScope();
}
}
void tst_QScriptEngine::evaluateProgram_closure()
{
QScriptEngine eng;
{
QScriptProgram program("(function() { var count = 0; return function() { return count++; }; })");
QVERIFY(!program.isNull());
QScriptValue createCounter = eng.evaluate(program);
QVERIFY(createCounter.isFunction());
QScriptValue counter = createCounter.call();
QVERIFY(counter.isFunction());
{
QScriptValue ret = counter.call();
QVERIFY(ret.isNumber());
}
QScriptValue counter2 = createCounter.call();
QVERIFY(counter2.isFunction());
QVERIFY(!counter2.equals(counter));
{
QScriptValue ret = counter2.call();
QVERIFY(ret.isNumber());
}
}
}
void tst_QScriptEngine::evaluateProgram_executeLater()
{
QScriptEngine eng;
// Program created in a function call, then executed later
{
QScriptValue fun = eng.newFunction(createProgram);
QScriptProgram program = qscriptvalue_cast<QScriptProgram>(
fun.call(QScriptValue(), QScriptValueList() << "a + 1"));
QVERIFY(!program.isNull());
eng.globalObject().setProperty("a", QScriptValue());
{
QScriptValue ret = eng.evaluate(program);
QVERIFY(ret.isError());
QCOMPARE(ret.toString(), QString::fromLatin1("ReferenceError: Can't find variable: a"));
}
eng.globalObject().setProperty("a", 122);
{
QScriptValue ret = eng.evaluate(program);
QVERIFY(!ret.isError());
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 123);
}
}
}
void tst_QScriptEngine::evaluateProgram_multipleEngines()
{
QScriptEngine eng;
{
QString code("1 + 2");
QScriptProgram program(code);
QVERIFY(!program.isNull());
double expected = eng.evaluate(program).toNumber();
for (int x = 0; x < 2; ++x) {
QScriptEngine eng2;
for (int y = 0; y < 2; ++y) {
double ret = eng2.evaluate(program).toNumber();
QCOMPARE(ret, expected);
}
}
}
}
void tst_QScriptEngine::evaluateProgram_empty()
{
QScriptEngine eng;
{
QScriptProgram program;
QVERIFY(program.isNull());
QScriptValue ret = eng.evaluate(program);
QVERIFY(!ret.isValid());
}
}
void tst_QScriptEngine::collectGarbageAfterConnect()
{
// QTBUG-6366
QScriptEngine engine;
QPointer<QWidget> widget = new QWidget;
engine.globalObject().setProperty(
"widget", engine.newQObject(widget, QScriptEngine::ScriptOwnership));
QVERIFY(engine.evaluate("widget.customContextMenuRequested.connect(\n"
" function() { print('hello'); }\n"
");")
.isUndefined());
QVERIFY(widget != 0);
engine.evaluate("widget = null;");
// The connection should not keep the widget alive.
collectGarbage_helper(engine);
QVERIFY(widget == 0);
}
void tst_QScriptEngine::collectGarbageAfterNativeArguments()
{
// QTBUG-17788
QScriptEngine eng;
QScriptContext *ctx = eng.pushContext();
QScriptValue arguments = ctx->argumentsObject();
// Shouldn't crash when marking the arguments object.
collectGarbage_helper(eng);
}
static QScriptValue constructQObjectFromThisObject(QScriptContext *ctx, QScriptEngine *eng)
{
if (!ctx->isCalledAsConstructor()) {
qWarning("%s: ctx->isCalledAsConstructor() returned false", Q_FUNC_INFO);
return QScriptValue();
}
return eng->newQObject(ctx->thisObject(), new QObject, QScriptEngine::ScriptOwnership);
}
void tst_QScriptEngine::promoteThisObjectToQObjectInConstructor()
{
QScriptEngine engine;
QScriptValue ctor = engine.newFunction(constructQObjectFromThisObject);
engine.globalObject().setProperty("Ctor", ctor);
QScriptValue object = engine.evaluate("new Ctor");
QVERIFY(!object.isError());
QVERIFY(object.isQObject());
QVERIFY(object.toQObject() != 0);
QVERIFY(object.property("objectName").isString());
QVERIFY(object.property("deleteLater").isFunction());
}
static QRegExp minimal(QRegExp r) { r.setMinimal(true); return r; }
void tst_QScriptEngine::qRegExpInport_data()
{
QTest::addColumn<QRegExp>("rx");
QTest::addColumn<QString>("string");
QTest::addColumn<QString>("matched");
QTest::newRow("normal") << QRegExp("(test|foo)") << "test _ foo _ test _ Foo";
QTest::newRow("normal2") << QRegExp("(Test|Foo)") << "test _ foo _ test _ Foo";
QTest::newRow("case insensitive)") << QRegExp("(test|foo)", Qt::CaseInsensitive) << "test _ foo _ test _ Foo";
QTest::newRow("case insensitive2)") << QRegExp("(Test|Foo)", Qt::CaseInsensitive) << "test _ foo _ test _ Foo";
QTest::newRow("b(a*)(b*)") << QRegExp("b(a*)(b*)", Qt::CaseInsensitive) << "aaabbBbaAabaAaababaaabbaaab";
QTest::newRow("greedy") << QRegExp("a*(a*)", Qt::CaseInsensitive, QRegExp::RegExp2) << "aaaabaaba";
// this one will fail because we do not support the QRegExp::RegExp in JSC
//QTest::newRow("not_greedy") << QRegExp("a*(a*)", Qt::CaseInsensitive, QRegExp::RegExp) << "aaaabaaba";
QTest::newRow("willcard") << QRegExp("*.txt", Qt::CaseSensitive, QRegExp::Wildcard) << "file.txt";
QTest::newRow("willcard 2") << QRegExp("a?b.txt", Qt::CaseSensitive, QRegExp::Wildcard) << "ab.txt abb.rtc acb.txt";
QTest::newRow("slash") << QRegExp("g/.*/s", Qt::CaseInsensitive, QRegExp::RegExp2) << "string/string/string";
QTest::newRow("slash2") << QRegExp("g / .* / s", Qt::CaseInsensitive, QRegExp::RegExp2) << "string / string / string";
QTest::newRow("fixed") << QRegExp("a*aa.a(ba)*a\\ba", Qt::CaseInsensitive, QRegExp::FixedString) << "aa*aa.a(ba)*a\\ba";
QTest::newRow("fixed insensitive") << QRegExp("A*A", Qt::CaseInsensitive, QRegExp::FixedString) << "a*A A*a A*A a*a";
QTest::newRow("fixed sensitive") << QRegExp("A*A", Qt::CaseSensitive, QRegExp::FixedString) << "a*A A*a A*A a*a";
QTest::newRow("html") << QRegExp("<b>(.*)</b>", Qt::CaseSensitive, QRegExp::RegExp2) << "<b>bold</b><i>italic</i><b>bold</b>";
QTest::newRow("html minimal") << minimal(QRegExp("<b>(.*)</b>", Qt::CaseSensitive, QRegExp::RegExp2)) << "<b>bold</b><i>italic</i><b>bold</b>";
QTest::newRow("aaa") << QRegExp("a{2,5}") << "aAaAaaaaaAa";
QTest::newRow("aaa minimal") << minimal(QRegExp("a{2,5}")) << "aAaAaaaaaAa";
QTest::newRow("minimal") << minimal(QRegExp(".*\\} [*8]")) << "}?} ?} *";
QTest::newRow(".? minimal") << minimal(QRegExp(".?")) << ".?";
QTest::newRow(".+ minimal") << minimal(QRegExp(".+")) << ".+";
QTest::newRow("[.?] minimal") << minimal(QRegExp("[.?]")) << ".?";
QTest::newRow("[.+] minimal") << minimal(QRegExp("[.+]")) << ".+";
}
void tst_QScriptEngine::qRegExpInport()
{
QFETCH(QRegExp, rx);
QFETCH(QString, string);
QScriptEngine eng;
QScriptValue rexp;
rexp = eng.newRegExp(rx);
QCOMPARE(rexp.isValid(), true);
QCOMPARE(rexp.isRegExp(), true);
QVERIFY(rexp.isFunction());
QScriptValue func = eng.evaluate("(function(string, regexp) { return string.match(regexp); })");
QScriptValue result = func.call(QScriptValue(), QScriptValueList() << string << rexp);
rx.indexIn(string);
for (int i = 0; i <= rx.captureCount(); i++) {
QCOMPARE(result.property(i).toString(), rx.cap(i));
}
}
static QByteArray msgDateRoundtripJSQtJS(int i, qint64 secs,
const QScriptValue &jsDate2,
const QScriptValue &jsDate)
{
QString result;
const qsreal diff = jsDate.toNumber() - jsDate2.toNumber();
QTextStream(&result) << "jsDate2=\"" << jsDate2.toString()
<< "\" (" << jsDate2.toNumber() << "), jsDate=\""
<< jsDate.toString() << "\" (" << jsDate.toNumber()
<< "), diff=" << diff << "\", i=" << i << ", secs=" << secs
<< ", TZ=\"" << qgetenv("TZ") << '"';
return result.toLocal8Bit();
}
// QScriptValue::toDateTime() returns a local time, whereas JS dates
// are always stored as UTC. Qt Script must respect the current time
// zone, and correctly adjust for daylight saving time that may be in
// effect at a given date (QTBUG-9770).
void tst_QScriptEngine::dateRoundtripJSQtJS()
{
qint64 secs = QDateTime(QDate(2009, 1, 1)).toUTC().toSecsSinceEpoch();
QScriptEngine eng;
for (int i = 0; i < 8000; ++i) {
QScriptValue jsDate = eng.evaluate(QString::fromLatin1("new Date(%0 * 1000.0)").arg(secs));
QDateTime qtDate = jsDate.toDateTime();
QScriptValue jsDate2 = eng.newDate(qtDate);
QVERIFY2(jsDate2.toNumber() == jsDate.toNumber(),
msgDateRoundtripJSQtJS(i, secs, jsDate2, jsDate));
secs += 2*60*60;
}
}
void tst_QScriptEngine::dateRoundtripQtJSQt()
{
QDateTime qtDate = QDateTime(QDate(2009, 1, 1));
QScriptEngine eng;
for (int i = 0; i < 8000; ++i) {
QScriptValue jsDate = eng.newDate(qtDate);
QDateTime qtDate2 = jsDate.toDateTime();
if (qtDate2 != qtDate)
QFAIL(qPrintable(qtDate.toString()));
qtDate = qtDate.addSecs(2*60*60);
}
}
static QByteArray msgDateConversionJSQt(int i, qint64 secs,
const QString &qtUTCDateStr,
const QString &jsUTCDateStr,
const QScriptValue &jsDate)
{
QString result;
QTextStream(&result) << "qtUTCDateStr=\"" << qtUTCDateStr
<< "\", jsUTCDateStr=\"" << jsUTCDateStr << "\", jsDate=\""
<< jsDate.toString() << "\", i=" << i << ", secs=" << secs
<< ", TZ=\"" << qgetenv("TZ") << '"';
return result.toLocal8Bit();
}
void tst_QScriptEngine::dateConversionJSQt()
{
qint64 secs = QDateTime(QDate(2009, 1, 1)).toUTC().toSecsSinceEpoch();
QScriptEngine eng;
for (int i = 0; i < 8000; ++i) {
QScriptValue jsDate = eng.evaluate(QString::fromLatin1("new Date(%0 * 1000.0)").arg(secs));
QDateTime qtDate = jsDate.toDateTime();
QString qtUTCDateStr = qtDate.toUTC().toString(Qt::ISODate);
QString jsUTCDateStr = jsDate.property("toISOString").call(jsDate).toString();
jsUTCDateStr.remove(jsUTCDateStr.length() - 5, 4); // get rid of milliseconds (".000")
QVERIFY2(qtUTCDateStr == jsUTCDateStr,
msgDateConversionJSQt(i, secs, qtUTCDateStr, jsUTCDateStr, jsDate));
secs += 2*60*60;
}
}
void tst_QScriptEngine::dateConversionQtJS()
{
QDateTime qtDate = QDateTime(QDate(2009, 1, 1));
QScriptEngine eng;
for (int i = 0; i < 8000; ++i) {
QScriptValue jsDate = eng.newDate(qtDate);
QString jsUTCDateStr = jsDate.property("toISOString").call(jsDate).toString();
jsUTCDateStr.remove(jsUTCDateStr.length() - 5, 4); // get rid of milliseconds (".000")
QString qtUTCDateStr = qtDate.toUTC().toString(Qt::ISODate);
if (jsUTCDateStr != qtUTCDateStr)
QFAIL(qPrintable(qtDate.toString()));
qtDate = qtDate.addSecs(2*60*60);
}
}
static QScriptValue createAnotherEngine(QScriptContext *, QScriptEngine *)
{
QScriptEngine eng;
eng.evaluate("function foo(x, y) { return x + y; }" );
eng.evaluate("hello = 5; world = 6" );
return eng.evaluate("foo(hello,world)").toInt32();
}
void tst_QScriptEngine::reentrency()
{
QScriptEngine eng;
eng.globalObject().setProperty("foo", eng.newFunction(createAnotherEngine));
eng.evaluate("function bar() { return foo(); } hello = 9; function getHello() { return hello; }");
QCOMPARE(eng.evaluate("foo() + getHello() + foo()").toInt32(), 5+6 + 9 + 5+6);
QCOMPARE(eng.evaluate("foo").call().toInt32(), 5+6);
QCOMPARE(eng.evaluate("hello").toInt32(), 9);
QCOMPARE(eng.evaluate("foo() + hello").toInt32(), 5+6+9);
}
void tst_QScriptEngine::newFixedStaticScopeObject()
{
// "Static scope objects" is an optimization we do for QML.
// It enables the creation of JS objects that can guarantee to the
// compiler that no properties will be added or removed. This enables
// the compiler to generate a very simple (fast) property access, as
// opposed to a full virtual lookup. Due to the inherent use of scope
// chains in QML, this can make a huge difference (10x improvement for
// benchmark in QTBUG-8576).
// Ideally we would not need a special object type for this, and the
// VM would dynamically optimize it to be fast...
// See also QScriptEngine benchmark.
QScriptEngine eng;
static const int propertyCount = 4;
QString names[] = { "foo", "bar", "baz", "Math" };
QScriptValue values[] = { 123, "ciao", true, false };
QScriptValue::PropertyFlags flags[] = { QScriptValue::Undeletable,
QScriptValue::ReadOnly | QScriptValue::Undeletable,
QScriptValue::SkipInEnumeration | QScriptValue::Undeletable,
QScriptValue::Undeletable };
QScriptValue scope = QScriptDeclarativeClass::newStaticScopeObject(&eng, propertyCount, names, values, flags);
// Query property.
for (int i = 0; i < propertyCount; ++i) {
for (int x = 0; x < 2; ++x) {
if (x) {
// Properties can't be deleted.
scope.setProperty(names[i], QScriptValue());
}
QVERIFY(scope.property(names[i]).equals(values[i]));
QCOMPARE(scope.propertyFlags(names[i]), flags[i]);
}
}
// Property that doesn't exist.
QVERIFY(!scope.property("noSuchProperty").isValid());
QCOMPARE(scope.propertyFlags("noSuchProperty"), QScriptValue::PropertyFlags());
// Write to writable property.
{
QScriptValue oldValue = scope.property("foo");
QVERIFY(oldValue.isNumber());
QScriptValue newValue = oldValue.toNumber() * 2;
scope.setProperty("foo", newValue);
QVERIFY(scope.property("foo").equals(newValue));
scope.setProperty("foo", oldValue);
QVERIFY(scope.property("foo").equals(oldValue));
}
// Write to read-only property.
scope.setProperty("bar", 456);
QVERIFY(scope.property("bar").equals("ciao"));
// Iterate.
{
QScriptValueIterator it(scope);
QSet<QString> iteratedNames;
while (it.hasNext()) {
it.next();
iteratedNames.insert(it.name());
}
for (int i = 0; i < propertyCount; ++i)
QVERIFY(iteratedNames.contains(names[i]));
}
// Push it on the scope chain of a new context.
QScriptContext *ctx = eng.pushContext();
ctx->pushScope(scope);
QCOMPARE(ctx->scopeChain().size(), 3); // Global Object, native activation, custom scope
QVERIFY(ctx->activationObject().equals(scope));
// Read property from JS.
for (int i = 0; i < propertyCount; ++i) {
for (int x = 0; x < 2; ++x) {
if (x) {
// Property can't be deleted from JS.
QScriptValue ret = eng.evaluate(QString::fromLatin1("delete %0").arg(names[i]));
QVERIFY(ret.equals(false));
}
QVERIFY(eng.evaluate(names[i]).equals(values[i]));
}
}
// Property that doesn't exist.
QVERIFY(eng.evaluate("noSuchProperty").equals("ReferenceError: Can't find variable: noSuchProperty"));
// Write property from JS.
{
QScriptValue oldValue = eng.evaluate("foo");
QVERIFY(oldValue.isNumber());
QScriptValue newValue = oldValue.toNumber() * 2;
QVERIFY(eng.evaluate("foo = foo * 2; foo").equals(newValue));
scope.setProperty("foo", oldValue);
QVERIFY(eng.evaluate("foo").equals(oldValue));
}
// Write to read-only property.
QVERIFY(eng.evaluate("bar = 456; bar").equals("ciao"));
// Create a closure and return properties from there.
{
QScriptValue props = eng.evaluate("(function() { var baz = 'shadow'; return [foo, bar, baz, Math, Array]; })()");
QVERIFY(props.isArray());
// "foo" and "bar" come from scope object.
QVERIFY(props.property(0).equals(scope.property("foo")));
QVERIFY(props.property(1).equals(scope.property("bar")));
// "baz" shadows property in scope object.
QVERIFY(props.property(2).equals("shadow"));
// "Math" comes from scope object, and shadows Global Object's "Math".
QVERIFY(props.property(3).equals(scope.property("Math")));
QVERIFY(!props.property(3).equals(eng.globalObject().property("Math")));
// "Array" comes from Global Object.
QVERIFY(props.property(4).equals(eng.globalObject().property("Array")));
}
// As with normal JS, assigning to an undefined variable will create
// the property on the Global Object, not the inner scope.
QVERIFY(!eng.globalObject().property("newProperty").isValid());
QVERIFY(eng.evaluate("(function() { newProperty = 789; })()").isUndefined());
QVERIFY(!scope.property("newProperty").isValid());
QVERIFY(eng.globalObject().property("newProperty").isNumber());
// Nested static scope.
{
static const int propertyCount2 = 2;
QString names2[] = { "foo", "hum" };
QScriptValue values2[] = { 321, "hello" };
QScriptValue::PropertyFlags flags2[] = { QScriptValue::Undeletable,
QScriptValue::ReadOnly | QScriptValue::Undeletable };
QScriptValue scope2 = QScriptDeclarativeClass::newStaticScopeObject(&eng, propertyCount2, names2, values2, flags2);
ctx->pushScope(scope2);
// "foo" shadows scope.foo.
QVERIFY(eng.evaluate("foo").equals(scope2.property("foo")));
QVERIFY(!eng.evaluate("foo").equals(scope.property("foo")));
// "hum" comes from scope2.
QVERIFY(eng.evaluate("hum").equals(scope2.property("hum")));
// "Array" comes from Global Object.
QVERIFY(eng.evaluate("Array").equals(eng.globalObject().property("Array")));
ctx->popScope();
}
QScriptValue fun = eng.evaluate("(function() { return foo; })");
QVERIFY(fun.isFunction());
eng.popContext();
// Function's scope chain persists after popContext().
QVERIFY(fun.call().equals(scope.property("foo")));
}
void tst_QScriptEngine::newGrowingStaticScopeObject()
{
// The main use case for a growing static scope object is to set it as
// the activation object of a QScriptContext, so that all JS variable
// declarations end up in that object. It needs to be "growable" since
// we don't know in advance how many variables a script will declare.
QScriptEngine eng;
QScriptValue scope = QScriptDeclarativeClass::newStaticScopeObject(&eng);
// Initially empty.
QVERIFY(!QScriptValueIterator(scope).hasNext());
QVERIFY(!scope.property("foo").isValid());
// Add a static property.
scope.setProperty("foo", 123);
QVERIFY(scope.property("foo").equals(123));
QCOMPARE(scope.propertyFlags("foo"), QScriptValue::Undeletable);
// Modify existing property.
scope.setProperty("foo", 456);
QVERIFY(scope.property("foo").equals(456));
// Add a read-only property.
scope.setProperty("bar", "ciao", QScriptValue::ReadOnly);
QVERIFY(scope.property("bar").equals("ciao"));
QCOMPARE(scope.propertyFlags("bar"), QScriptValue::ReadOnly | QScriptValue::Undeletable);
// Attempt to modify read-only property.
scope.setProperty("bar", "hello");
QVERIFY(scope.property("bar").equals("ciao"));
// Properties can't be deleted.
scope.setProperty("foo", QScriptValue());
QVERIFY(scope.property("foo").equals(456));
scope.setProperty("bar", QScriptValue());
QVERIFY(scope.property("bar").equals("ciao"));
// Iterate.
{
QScriptValueIterator it(scope);
QSet<QString> iteratedNames;
while (it.hasNext()) {
it.next();
iteratedNames.insert(it.name());
}
QCOMPARE(iteratedNames.size(), 2);
QVERIFY(iteratedNames.contains("foo"));
QVERIFY(iteratedNames.contains("bar"));
}
// Push it on the scope chain of a new context.
QScriptContext *ctx = eng.pushContext();
ctx->pushScope(scope);
QCOMPARE(ctx->scopeChain().size(), 3); // Global Object, native activation, custom scope
QVERIFY(ctx->activationObject().equals(scope));
// Read property from JS.
QVERIFY(eng.evaluate("foo").equals(scope.property("foo")));
QVERIFY(eng.evaluate("bar").equals(scope.property("bar")));
// Write property from JS.
{
QScriptValue oldValue = eng.evaluate("foo");
QVERIFY(oldValue.isNumber());
QScriptValue newValue = oldValue.toNumber() * 2;
QVERIFY(eng.evaluate("foo = foo * 2; foo").equals(newValue));
scope.setProperty("foo", oldValue);
QVERIFY(eng.evaluate("foo").equals(oldValue));
}
// Write to read-only property.
QVERIFY(eng.evaluate("bar = 456; bar").equals("ciao"));
// Shadow property.
QVERIFY(eng.evaluate("Math").equals(eng.globalObject().property("Math")));
scope.setProperty("Math", "fake Math");
QVERIFY(eng.evaluate("Math").equals(scope.property("Math")));
// Variable declarations will create properties on the scope.
eng.evaluate("var baz = 456");
QVERIFY(scope.property("baz").equals(456));
// Function declarations will create properties on the scope.
eng.evaluate("function fun() { return baz; }");
QVERIFY(scope.property("fun").isFunction());
QVERIFY(scope.property("fun").call().equals(scope.property("baz")));
// Demonstrate the limitation of a growable static scope: Once a function that
// uses the scope has been compiled, it won't pick up properties that are added
// to the scope later.
{
QScriptValue fun = eng.evaluate("(function() { return futureProperty; })");
QVERIFY(fun.isFunction());
QVERIFY(fun.call().toString().contains(QString::fromLatin1("ReferenceError")));
scope.setProperty("futureProperty", "added after the function was compiled");
// If scope were dynamic, this would return the new property.
QVERIFY(fun.call().toString().contains(QString::fromLatin1("ReferenceError")));
}
eng.popContext();
}
QT_BEGIN_NAMESPACE
Q_SCRIPT_DECLARE_QMETAOBJECT(QStandardItemModel, QObject*)
QT_END_NAMESPACE
void tst_QScriptEngine::scriptValueFromQMetaObject()
{
QScriptEngine eng;
{
QScriptValue meta = eng.scriptValueFromQMetaObject<QScriptEngine>();
QVERIFY(meta.isQMetaObject());
QCOMPARE(meta.toQMetaObject(), &QScriptEngine::staticMetaObject);
// Because of missing Q_SCRIPT_DECLARE_QMETAOBJECT() for QScriptEngine.
QVERIFY(!meta.construct().isValid());
}
{
QScriptValue meta = eng.scriptValueFromQMetaObject<QStandardItemModel>();
QVERIFY(meta.isQMetaObject());
QCOMPARE(meta.toQMetaObject(), &QStandardItemModel::staticMetaObject);
QScriptValue obj = meta.construct(QScriptValueList() << eng.newQObject(&eng));
QVERIFY(obj.isQObject());
QStandardItemModel *model = qobject_cast<QStandardItemModel*>(obj.toQObject());
QVERIFY(model != 0);
QCOMPARE(model->parent(), (QObject*)&eng);
}
}
// QTBUG-21896
void tst_QScriptEngine::stringListFromArrayWithEmptyElement()
{
QScriptEngine eng;
QCOMPARE(qscriptvalue_cast<QStringList>(eng.evaluate("[,'hello']")),
QStringList() << "" << "hello");
}
// QTBUG-21993
void tst_QScriptEngine::collectQObjectWithCachedWrapper_data()
{
QTest::addColumn<QString>("program");
QTest::addColumn<QString>("ownership");
QTest::addColumn<bool>("giveParent");
QTest::addColumn<bool>("shouldBeCollected");
QString prog1 = QString::fromLatin1("newQObject(ownership, parent)");
QTest::newRow("unassigned,cpp,no-parent") << prog1 << "cpp" << false << false;
QTest::newRow("unassigned,cpp,parent") << prog1 << "cpp" << true << false;
QTest::newRow("unassigned,auto,no-parent") << prog1 << "auto" << false << true;
QTest::newRow("unassigned,auto,parent") << prog1 << "auto" << true << false;
QTest::newRow("unassigned,script,no-parent") << prog1 << "script" << false << true;
QTest::newRow("unassigned,script,parent") << prog1 << "script" << true << true;
QString prog2 = QString::fromLatin1("myObject = { foo: newQObject(ownership, parent) }; myObject.foo");
QTest::newRow("global-property-property,cpp,no-parent") << prog2 << "cpp" << false << false;
QTest::newRow("global-property-property,cpp,parent") << prog2 << "cpp" << true << false;
QTest::newRow("global-property-property,auto,no-parent") << prog2 << "auto" << false << false;
QTest::newRow("global-property-property,auto,parent") << prog2 << "auto" << true << false;
QTest::newRow("global-property-property,script,no-parent") << prog2 << "script" << false << false;
QTest::newRow("global-property-property,script,parent") << prog2 << "script" << true << false;
}
void tst_QScriptEngine::collectQObjectWithCachedWrapper()
{
struct Functions {
static QScriptValue newQObject(QScriptContext *ctx, QScriptEngine *eng)
{
QString ownershipString = ctx->argument(0).toString();
QScriptEngine::ValueOwnership ownership;
if (ownershipString == "cpp")
ownership = QScriptEngine::QtOwnership;
else if (ownershipString == "auto")
ownership = QScriptEngine::AutoOwnership;
else if (ownershipString == "script")
ownership = QScriptEngine::ScriptOwnership;
else
return ctx->throwError("Ownership specifier 'cpp', 'auto' or 'script' expected");
QObject *parent = ctx->argument(1).toQObject();
return eng->newQObject(new QObject(parent), ownership,
QScriptEngine::PreferExistingWrapperObject);
}
};
QFETCH(QString, program);
QFETCH(QString, ownership);
QFETCH(bool, giveParent);
QFETCH(bool, shouldBeCollected);
QScriptEngine eng;
eng.globalObject().setProperty("ownership", ownership);
eng.globalObject().setProperty("newQObject",
eng.newFunction(Functions::newQObject));
QObject parent;
eng.globalObject().setProperty("parent",
giveParent ? eng.newQObject(&parent)
: QScriptValue(QScriptValue::NullValue));
QPointer<QObject> ptr = eng.evaluate(program).toQObject();
QVERIFY(ptr != 0);
QVERIFY(ptr->parent() == (giveParent ? &parent : 0));
collectGarbage_helper(eng);
if (ptr && shouldBeCollected)
QEXPECT_FAIL("", "Test can fail because the garbage collector is conservative", Continue);
QCOMPARE(ptr == 0, shouldBeCollected);
}
// QTBUG-18188
void tst_QScriptEngine::pushContext_noInheritedScope()
{
QScriptEngine eng;
eng.globalObject().setProperty("foo", 123);
QScriptContext *ctx1 = eng.pushContext();
QCOMPARE(ctx1->scopeChain().size(), 2);
ctx1->activationObject().setProperty("foo", 456);
QCOMPARE(eng.evaluate("foo").toInt32(), 456);
QScriptContext *ctx2 = eng.pushContext();
// The parent context's scope should not be inherited.
QCOMPARE(ctx2->scopeChain().size(), 2);
QCOMPARE(eng.evaluate("foo").toInt32(), 123);
ctx2->activationObject().setProperty("foo", 789);
QCOMPARE(eng.evaluate("foo").toInt32(), 789);
eng.popContext();
QCOMPARE(eng.evaluate("foo").toInt32(), 456);
eng.popContext();
QCOMPARE(eng.evaluate("foo").toInt32(), 123);
}
QTEST_MAIN(tst_QScriptEngine)
#include "tst_qscriptengine.moc"