| /**************************************************************************** |
| ** |
| ** 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. |
| ** |
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| ** GNU General Public License Usage |
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| ** General Public License version 3 as published by the Free Software |
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| ****************************************************************************/ |
| |
| #include <qtest.h> |
| #include <QtScript> |
| |
| Q_DECLARE_METATYPE(QScriptContext*) |
| Q_DECLARE_METATYPE(QScriptValue) |
| Q_DECLARE_METATYPE(QScriptValueList) |
| |
| // We want reliable numbers so we don't want to rely too much |
| // on the number of iterations done by testlib. |
| // this also make the results of valgrind more interesting |
| const int iterationNumber = 5000; |
| |
| class tst_QScriptClass : public QObject |
| { |
| Q_OBJECT |
| |
| private slots: |
| void noSuchProperty(); |
| void property(); |
| void setProperty(); |
| void propertyFlags(); |
| void call(); |
| void hasInstance(); |
| void iterate(); |
| }; |
| |
| // Test the overhead of checking for an inexisting property of a QScriptClass |
| void tst_QScriptClass::noSuchProperty() |
| { |
| QScriptEngine eng; |
| QScriptClass cls(&eng); |
| QScriptValue obj = eng.newObject(&cls); |
| QString propertyName = QString::fromLatin1("foo"); |
| QBENCHMARK { |
| for (int i = 0; i < iterationNumber; ++i) |
| (void)obj.property(propertyName); |
| } |
| Q_ASSERT(!obj.property(propertyName).isValid()); |
| } |
| |
| |
| class FooScriptClass : public QScriptClass |
| { |
| public: |
| FooScriptClass(QScriptEngine *engine) |
| : QScriptClass(engine) |
| { |
| foo = engine->toStringHandle("foo"); |
| } |
| |
| QueryFlags queryProperty(const QScriptValue &, |
| const QScriptString &, |
| QueryFlags flags, |
| uint *id) |
| { |
| *id = 1; |
| return flags; |
| } |
| |
| QScriptValue property(const QScriptValue &, |
| const QScriptString &, |
| uint) |
| { |
| return QScriptValue(engine(), 35); |
| } |
| |
| void setProperty(QScriptValue &, const QScriptString &, |
| uint, const QScriptValue &) |
| {} |
| |
| QScriptValue::PropertyFlags propertyFlags(const QScriptValue &, const QScriptString &, uint) |
| { |
| return QScriptValue::Undeletable; |
| } |
| private: |
| QScriptString foo; |
| }; |
| |
| // Test the overhead of getting a value of QScriptClass across the Javascript engine |
| void tst_QScriptClass::property() |
| { |
| QScriptEngine eng; |
| FooScriptClass cls(&eng); |
| QScriptValue obj = eng.newObject(&cls); |
| QScriptString foo = eng.toStringHandle("foo"); |
| QBENCHMARK { |
| for (int i = 0; i < iterationNumber; ++i) |
| (void)obj.property(foo); |
| } |
| } |
| |
| // Test the overhead of setting a value on QScriptClass across the Javascript engine |
| void tst_QScriptClass::setProperty() |
| { |
| QScriptEngine eng; |
| FooScriptClass cls(&eng); |
| QScriptValue obj = eng.newObject(&cls); |
| QScriptValue value(456); |
| QScriptString foo = eng.toStringHandle("foo"); |
| QBENCHMARK { |
| for (int i = 0; i < iterationNumber; ++i) |
| obj.setProperty(foo, value); |
| } |
| } |
| |
| // Test the time taken to get the propeties flags across the engine |
| void tst_QScriptClass::propertyFlags() |
| { |
| QScriptEngine eng; |
| FooScriptClass cls(&eng); |
| QScriptValue obj = eng.newObject(&cls); |
| QScriptString foo = eng.toStringHandle("foo"); |
| QBENCHMARK { |
| for (int i = 0; i < iterationNumber; ++i) |
| (void)obj.propertyFlags(foo); |
| } |
| } |
| |
| |
| |
| class ExtensionScriptClass : public QScriptClass |
| { |
| public: |
| ExtensionScriptClass(QScriptEngine *engine) |
| : QScriptClass(engine) |
| { |
| } |
| |
| bool supportsExtension(Extension) const |
| { |
| return true; |
| } |
| |
| QVariant extension(Extension, const QVariant &argument = QVariant()) |
| { |
| Q_UNUSED(argument); |
| return QVariant(); |
| } |
| }; |
| |
| // Check the overhead of the extension "call" |
| void tst_QScriptClass::call() |
| { |
| QScriptEngine eng; |
| ExtensionScriptClass cls(&eng); |
| QScriptValue obj = eng.newObject(&cls); |
| QScriptValue thisObject; |
| QScriptValueList args; |
| args.append(123); |
| QBENCHMARK { |
| for (int i = 0; i < iterationNumber; ++i) |
| (void)obj.call(thisObject, args); |
| } |
| } |
| |
| // Check the overhead of the extension "instanceOf" |
| void tst_QScriptClass::hasInstance() |
| { |
| QScriptEngine eng; |
| ExtensionScriptClass cls(&eng); |
| QScriptValue obj = eng.newObject(&cls); |
| obj.setProperty("foo", 123); |
| QScriptValue plain = eng.newObject(); |
| plain.setProperty("foo", obj.property("foo")); |
| QBENCHMARK { |
| for (int i = 0; i < iterationNumber; ++i) |
| (void)plain.instanceOf(obj); |
| } |
| } |
| |
| |
| |
| static const int iteratorValuesNumber = 100; |
| class TestClassPropertyIterator : public QScriptClassPropertyIterator |
| { |
| public: |
| TestClassPropertyIterator(const QScriptValue &object, QVector<QScriptString> names) |
| : QScriptClassPropertyIterator(object) |
| , m_index(0) |
| , names(names) |
| { |
| } |
| |
| bool hasNext() const |
| { |
| return m_index < iteratorValuesNumber - 1; |
| } |
| void next() { ++m_index; } |
| |
| bool hasPrevious() const { return m_index > 0; } |
| void previous() { --m_index; } |
| |
| void toFront() { m_index = 0; } |
| void toBack() { m_index = iteratorValuesNumber - 1; } |
| |
| QScriptString name() const { return names[m_index]; } |
| uint id() const { return m_index; } |
| QScriptValue::PropertyFlags flags() const { return 0; } |
| |
| private: |
| int m_index; |
| QVector<QScriptString> names; |
| }; |
| |
| |
| class IteratorScriptClass : public QScriptClass |
| { |
| public: |
| IteratorScriptClass(QScriptEngine *engine) |
| : QScriptClass(engine) |
| { |
| for (int i = 0; i < iteratorValuesNumber; ++i) |
| names.append(engine->toStringHandle(QString("property%1").arg(i))); |
| } |
| |
| QScriptClassPropertyIterator *newIterator(const QScriptValue &object) |
| { |
| return new TestClassPropertyIterator(object, names); |
| } |
| private: |
| QVector<QScriptString> names; |
| friend class TestClassPropertyIterator; |
| }; |
| |
| // Measure the performance of the interface to iterate over QScriptClassPropertyIterator |
| void tst_QScriptClass::iterate() |
| { |
| QScriptEngine eng; |
| IteratorScriptClass cls(&eng); |
| QScriptValue obj = eng.newObject(&cls); |
| int iterationNumberIterate = iterationNumber / iteratorValuesNumber; |
| QBENCHMARK { |
| for (int i = 0; i < iterationNumberIterate; ++i) { |
| QScriptValueIterator it(obj); |
| while (it.hasNext()) { |
| it.next(); |
| (void)it.scriptName(); |
| } |
| } |
| } |
| } |
| |
| QTEST_MAIN(tst_QScriptClass) |
| #include "tst_qscriptclass.moc" |