qt-everywhere-src-5.15.1/qtscript/examples/script/customclass/main.cpp

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#include <QCoreApplication>
#include <QtDebug>
#include <QtScript>
#include "bytearrayclass.h"

int main(int argc, char **argv)
{
    QCoreApplication app(argc, argv);

    QScriptEngine eng;

    ByteArrayClass *baClass = new ByteArrayClass(&eng);
    eng.globalObject().setProperty("ByteArray", baClass->constructor());

    qDebug() << "ba = new ByteArray(4):" << eng.evaluate("ba = new ByteArray(4)").toString();
    qDebug() << "ba instanceof ByteArray:" << eng.evaluate("ba instanceof ByteArray").toBool();
    qDebug() << "ba.length:" << eng.evaluate("ba.length").toNumber();
    qDebug() << "ba[1] = 123; ba[1]:" << eng.evaluate("ba[1] = 123; ba[1]").toNumber();
    qDebug() << "ba[7] = 224; ba.length:" << eng.evaluate("ba[7] = 224; ba.length").toNumber();
    qDebug() << "for-in loop:" << eng.evaluate("result = '';\n"
                                               "for (var p in ba) {\n"
                                               "  if (result.length > 0)\n"
                                               "    result += ', ';\n"
                                               "  result += '(' + p + ',' + ba[p] + ')';\n"
                                               "} result").toString();
    qDebug() << "ba.toBase64():" << eng.evaluate("b64 = ba.toBase64()").toString();
    qDebug() << "ba.toBase64().toLatin1String():" << eng.evaluate("b64.toLatin1String()").toString();
    qDebug() << "ba.valueOf():" << eng.evaluate("ba.valueOf()").toString();
    qDebug() << "ba.chop(2); ba.length:" << eng.evaluate("ba.chop(2); ba.length").toNumber();
    qDebug() << "ba2 = new ByteArray(ba):" << eng.evaluate("ba2 = new ByteArray(ba)").toString();
    qDebug() << "ba2.equals(ba):" << eng.evaluate("ba2.equals(ba)").toBool();
    qDebug() << "ba2.equals(new ByteArray()):" << eng.evaluate("ba2.equals(new ByteArray())").toBool();

    return 0;
}