Long live Qt 4.5!

7 files changed, 3406 insertions, 0 deletions

diff --git a/tests/auto/qscriptengine/.gitignore b/tests/auto/qscriptengine/.gitignore
new file mode 100644
index 0000000..421e72d
--- /dev/null
+++ b/tests/auto/qscriptengine/.gitignore
@@ -0,0 +1 @@
+tst_qscriptengine
diff --git a/tests/auto/qscriptengine/qscriptengine.pro b/tests/auto/qscriptengine/qscriptengine.pro
new file mode 100644
index 0000000..cf3ced3
--- /dev/null
+++ b/tests/auto/qscriptengine/qscriptengine.pro
@@ -0,0 +1,10 @@
+load(qttest_p4)
+QT += script
+SOURCES += tst_qscriptengine.cpp 
+
+wince*: {
+   addFiles.sources = script
+   addFiles.path = .
+   DEPLOYMENT += addFiles
+}
+
diff --git a/tests/auto/qscriptengine/script/com/__init__.js b/tests/auto/qscriptengine/script/com/__init__.js
new file mode 100644
index 0000000..381816a
--- /dev/null
+++ b/tests/auto/qscriptengine/script/com/__init__.js
@@ -0,0 +1,5 @@
+var wasDefinedAlready = (this["com"] != undefined);
+__setupPackage__("com");
+com.wasDefinedAlready = wasDefinedAlready;
+com.name = __extension__;
+com.level = 1;
diff --git a/tests/auto/qscriptengine/script/com/trolltech/__init__.js b/tests/auto/qscriptengine/script/com/trolltech/__init__.js
new file mode 100644
index 0000000..f12b17d
--- /dev/null
+++ b/tests/auto/qscriptengine/script/com/trolltech/__init__.js
@@ -0,0 +1,5 @@
+var wasDefinedAlready = (com["trolltech"] != undefined);
+__setupPackage__("com.trolltech");
+com.trolltech.wasDefinedAlready = wasDefinedAlready;
+com.trolltech.name = __extension__;
+com.trolltech.level = com.level + 1;
diff --git a/tests/auto/qscriptengine/script/com/trolltech/recursive/__init__.js b/tests/auto/qscriptengine/script/com/trolltech/recursive/__init__.js
new file mode 100644
index 0000000..2f4cad4
--- /dev/null
+++ b/tests/auto/qscriptengine/script/com/trolltech/recursive/__init__.js
@@ -0,0 +1 @@
+__import__("com.trolltech.recursive");
diff --git a/tests/auto/qscriptengine/script/com/trolltech/syntaxerror/__init__.js b/tests/auto/qscriptengine/script/com/trolltech/syntaxerror/__init__.js
new file mode 100644
index 0000000..55bc35b
--- /dev/null
+++ b/tests/auto/qscriptengine/script/com/trolltech/syntaxerror/__init__.js
@@ -0,0 +1,5 @@
+function () {
+}
+
+0 = 1;
+
diff --git a/tests/auto/qscriptengine/tst_qscriptengine.cpp b/tests/auto/qscriptengine/tst_qscriptengine.cpp
new file mode 100644
index 0000000..9995b46
--- /dev/null
+++ b/tests/auto/qscriptengine/tst_qscriptengine.cpp
@@ -0,0 +1,3379 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+
+#include <QtTest/QtTest>
+
+#include <qscriptengine.h>
+#include <qscriptengineagent.h>
+#include <qscriptvalueiterator.h>
+#include <qgraphicsitem.h>
+#include <qstandarditemmodel.h>
+#include <QtCore/qnumeric.h>
+
+Q_DECLARE_METATYPE(QList<int>)
+Q_DECLARE_METATYPE(QObjectList)
+
+//TESTED_CLASS=
+//TESTED_FILES=
+
+class tst_QScriptEngine : public QObject
+{
+    Q_OBJECT
+
+public:
+    tst_QScriptEngine();
+    virtual ~tst_QScriptEngine();
+
+private slots:
+    void currentContext();
+    void pushPopContext();
+    void getSetDefaultPrototype();
+    void newFunction();
+    void newObject();
+    void newArray();
+    void newVariant();
+    void newRegExp();
+    void newDate();
+    void newQObject();
+    void newQMetaObject();
+    void newActivationObject();
+    void getSetGlobalObject();
+    void checkSyntax_data();
+    void checkSyntax();
+    void canEvaluate_data();
+    void canEvaluate();
+    void evaluate_data();
+    void evaluate();
+    void nestedEvaluate();
+    void uncaughtException();
+    void valueConversion();
+    void importExtension();
+    void infiniteRecursion();
+    void castWithPrototypeChain();
+    void castWithMultipleInheritance();
+    void collectGarbage();
+    void gcWithNestedDataStructure();
+    void processEventsWhileRunning();
+    void throwErrorFromProcessEvents();
+    void stacktrace();
+    void numberParsing_data();
+    void numberParsing();
+    void automaticSemicolonInsertion();
+    void abortEvaluation();
+    void isEvaluating();
+    void printThrowsException();
+    void errorConstructors();
+    void argumentsProperty();
+    void numberClass();
+    void forInStatement();
+    void functionExpression();
+    void stringObjects();
+    void getterSetterThisObject();
+    void continueInSwitch();
+    void readOnlyPrototypeProperty();
+    void toObject();
+    void reservedWords_data();
+    void reservedWords();
+    void futureReservedWords_data();
+    void futureReservedWords();
+    void throwInsideWithStatement();
+    void getSetAgent();
+    void reentrancy();
+    void incDecNonObjectProperty();
+};
+
+tst_QScriptEngine::tst_QScriptEngine()
+{
+}
+
+tst_QScriptEngine::~tst_QScriptEngine()
+{
+}
+
+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();
+    eng.popContext(); // ignored
+    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);
+            QCOMPARE(prot.propertyFlags("constructor"), QScriptValue::Undeletable | 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);
+    }
+
+    // the overload that takes a void*
+    {
+        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);
+            QCOMPARE(prot.propertyFlags("constructor"), QScriptValue::Undeletable | 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);
+    }
+
+    // the overload that takes a prototype
+    {
+        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);
+        QCOMPARE(proto.property("constructor").strictlyEquals(fun), true);
+        QCOMPARE(proto.propertyFlags("constructor"),
+                 QScriptValue::Undeletable | 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);
+
+    // task 218092
+    {
+        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);
+    }
+
+    // task 233836
+    {
+        QScriptValue ret = eng.evaluate("a = new Array(4294967295); a.push('foo')");
+        QVERIFY(ret.isNumber());
+        QCOMPARE(ret.toInt32(), 0);
+        QCOMPARE(eng.evaluate("a[4294967295]").toString(), QString::fromLatin1("foo"));
+    }
+    {
+        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());
+    }
+    // default prototype should be set automatically
+    {
+        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));
+    }
+    // "promote" plain object to variant
+    {
+        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));
+    }
+    // replace value of existing object
+    {
+        QScriptValue object = eng.newVariant(QVariant(123));
+        QScriptValue ret = eng.newVariant(object, QVariant(456));
+        QVERIFY(ret.isValid());
+        QVERIFY(ret.strictlyEquals(object));
+        QVERIFY(ret.isVariant());
+        QCOMPARE(ret.toVariant(), QVariant(456));
+    }
+
+    // valueOf() and toString()
+    {
+        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::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());
+        // prototype should be RegExp.prototype
+        QCOMPARE(rexp.prototype().isValid(), true);
+        QCOMPARE(rexp.prototype().isRegExp(), true);
+        QCOMPARE(rexp.prototype().strictlyEquals(eng.evaluate("RegExp.prototype")), true);
+
+        QCOMPARE(rexp.toRegExp().pattern(), QRegExp("foo").pattern());
+    }
+    {
+        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());
+        QCOMPARE(r3.toString(), QString::fromLatin1("TypeError: cannot specify flags when creating a copy of a RegExp"));
+
+        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"));
+        QVERIFY(!r5.strictlyEquals(r));
+
+        QScriptValue r6 = rxCtor.construct(QScriptValueList() << "foo" << "bar");
+        QVERIFY(r6.isError());
+        QCOMPARE(r6.toString(), QString::fromLatin1("SyntaxError: invalid regular expression flag 'b'"));
+
+        QScriptValue r7 = eng.evaluate("/foo/gimp");
+        QVERIFY(r7.isError());
+        QCOMPARE(r7.toString(), QString::fromLatin1("SyntaxError: Invalid regular expression flag 'p'"));
+
+        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());
+    }
+
+    // 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);
+    }
+
+    // test ownership
+    {
+        QPointer<QObject> ptr = new QObject();
+        QVERIFY(ptr != 0);
+        {
+            QScriptValue v = eng.newQObject(ptr, QScriptEngine::ScriptOwnership);
+        }
+        eng.evaluate("gc()");
+        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
+        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;
+    }
+
+    // "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());
+    }
+    // replace QObject* of existing object
+    {
+        QScriptValue object = eng.newQObject(this);
+        QScriptValue originalProto = object.prototype();
+        QObject otherQObject;
+        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));
+    }
+
+    // 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);
+    }
+
+    // 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());
+    }
+}
+
+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;
+}
+
+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));
+
+    QScriptValue instance2 = qclass2.construct();
+    QCOMPARE(instance2.isQObject(), true);
+    QCOMPARE(instance2.toQObject()->metaObject(), qclass2.toQMetaObject());
+    QVERIFY(instance2.instanceOf(qclass2));
+
+    QScriptValueList args;
+    args << instance;
+    QScriptValue instance3 = qclass.construct(args);
+    QCOMPARE(instance3.isQObject(), true);
+    QCOMPARE(instance3.toQObject()->parent(), instance.toQObject());
+    QVERIFY(instance3.instanceOf(qclass));
+    args.clear();
+
+    // verify that AutoOwnership is in effect
+    instance = QScriptValue();
+    eng.collectGarbage();
+    QVERIFY(instance.toQObject() == 0);
+    QVERIFY(instance3.toQObject() == 0); // was child of instance
+    QVERIFY(instance2.toQObject() != 0);
+    instance2 = QScriptValue();
+    eng.collectGarbage();
+    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));
+    }
+    {
+        QScriptValue ret = qclass3.construct();
+        QVERIFY(ret.isObject());
+        QVERIFY(ret.property("isCalledAsConstructor").isBoolean());
+        QVERIFY(ret.property("isCalledAsConstructor").toBoolean());
+        QVERIFY(ret.instanceOf(qclass3));
+    }
+
+    // subclassing
+    qclass2.setProperty("prototype", qclass.construct());
+    QVERIFY(qclass2.construct().instanceOf(qclass));
+
+    // 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));
+    }
+    {
+        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));
+    }
+}
+
+void tst_QScriptEngine::newActivationObject()
+{
+    QScriptEngine eng;
+    QScriptValue act = eng.newActivationObject();
+    QCOMPARE(act.isValid(), true);
+    QCOMPARE(act.isObject(), true);
+    QVERIFY(!act.isFunction());
+    QScriptValue v(&eng, 123);
+    act.setProperty("prop", v);
+    QCOMPARE(act.property("prop").strictlyEquals(v), true);
+    QCOMPARE(act.scope().isValid(), false);
+    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);
+
+    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
+    eng.collectGarbage();
+    obj = eng.newObject();
+    eng.setGlobalObject(obj);
+    QVERIFY(eng.globalObject().strictlyEquals(obj));
+    QVERIFY(eng.currentContext()->thisObject().strictlyEquals(obj));
+    QVERIFY(eng.currentContext()->activationObject().strictlyEquals(obj));
+
+    eng.collectGarbage();
+    QVERIFY(eng.globalObject().strictlyEquals(obj));
+    QVERIFY(eng.currentContext()->thisObject().strictlyEquals(obj));
+    QVERIFY(eng.currentContext()->activationObject().strictlyEquals(obj));
+}
+
+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);
+}
+
+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  << 12;
+    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();
+    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"));
+    return result;
+}
+
+void tst_QScriptEngine::nestedEvaluate()
+{
+    QScriptEngine eng;
+    eng.globalObject().setProperty("fun", eng.newFunction(eval_nested));
+    QScriptValue result = eng.evaluate("o = { id:'foo'}; o.fun = fun; o.fun()");
+    QCOMPARE(result.property("thisObjectIdBefore").toString(), QString("foo"));
+    QCOMPARE(result.property("thisObjectIdAfter").toString(), QString("foo"));
+    QCOMPARE(result.property("evaluatedThisObjectId").toString(), QString("foo"));
+}
+
+void tst_QScriptEngine::uncaughtException()
+{
+    QScriptEngine eng;
+    QScriptValue fun = eng.newFunction(myFunction);
+    QScriptValue throwFun = eng.newFunction(myThrowingFunction);
+    for (int x = 0; 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(), x+2);
+            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(), -1);
+            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());
+        }
+    }
+}
+
+struct Foo {
+public:
+    int x, y;
+    Foo() : x(-1), y(-1) { }
+};
+
+Q_DECLARE_METATYPE(Foo)
+Q_DECLARE_METATYPE(Foo*)
+
+void tst_QScriptEngine::getSetDefaultPrototype()
+{
+    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);
+    }
+    {
+        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(qVariantFromValue(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(qVariantFromValue(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();
+}
+
+Q_DECLARE_METATYPE(QLinkedList<QString>)
+Q_DECLARE_METATYPE(QList<Foo>)
+Q_DECLARE_METATYPE(QVector<QChar>)
+Q_DECLARE_METATYPE(QStack<int>)
+Q_DECLARE_METATYPE(QQueue<char>)
+Q_DECLARE_METATYPE(QLinkedList<QStack<int> >)
+
+void tst_QScriptEngine::valueConversion()
+{
+    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"));
+    }
+#ifndef QT_NO_MEMBER_TEMPLATES
+    {
+        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"));
+    }
+#endif
+    {
+        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);
+    }
+
+    {
+        // 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)));
+    }
+
+    qScriptRegisterSequenceMetaType<QLinkedList<QString> >(&eng);
+
+    {
+        QLinkedList<QString> lst;
+        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<QLinkedList<QStack<int> > >(&eng);
+
+    {
+        QLinkedList<QStack<int> > lst;
+        QStack<int> first; first << 13 << 49; lst << first;
+        QStack<int> second; second << 99999;lst << 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<QLinkedList<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);
+    }
+
+    // qScriptValueFromValue() should be "smart" when the argument is a QVariant
+    {
+        QScriptValue val = qScriptValueFromValue(&eng, QVariant());
+        QVERIFY(!val.isVariant());
+        QVERIFY(val.isUndefined());
+    }
+    {
+        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, qVariantFromValue((QObject*)this));
+        QVERIFY(!val.isVariant());
+        QVERIFY(val.isQObject());
+        QCOMPARE(val.toQObject(), (QObject*)this);
+    }
+    {
+        QVariant var = qVariantFromValue(QPoint(123, 456));
+        QScriptValue val = qScriptValueFromValue(&eng, var);
+        QVERIFY(val.isVariant());
+        QCOMPARE(val.toVariant(), var);
+    }
+}
+
+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() << ".");
+
+    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);
+    }
+
+    {
+        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);
+
+            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);
+        }
+        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);
+        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());
+            QCOMPARE(eng.uncaughtExceptionLineNumber(), 4);
+            QVERIFY(ret.isError());
+            QCOMPARE(ret.property("message").toString(), QLatin1String("invalid assignment lvalue"));
+        }
+        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);
+}
+
+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();
+}
+
+void tst_QScriptEngine::infiniteRecursion()
+{
+    QSKIP("Can cause C stack overflow (task 241294)", SkipAll);
+
+    QScriptEngine eng;
+    {
+        QScriptValue ret = eng.evaluate("function foo() { foo(); }; foo();");
+        QCOMPARE(ret.isError(), true);
+        QCOMPARE(ret.toString(), QLatin1String("Error: call stack overflow"));
+    }
+    {
+        QScriptValue fun = eng.newFunction(recurse);
+        QScriptValue ret = fun.call();
+        QCOMPARE(ret.isError(), true);
+        QCOMPARE(ret.toString(), QLatin1String("Error: call stack overflow"));
+    }
+    {
+        QScriptValue fun = eng.newFunction(recurse2);
+        QScriptValue ret = fun.construct();
+        QCOMPARE(ret.isError(), true);
+        QCOMPARE(ret.toString(), QLatin1String("Error: call stack overflow"));
+    }
+}
+
+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);
+    {
+        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
+        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);
+    {
+        QScriptValue v = eng.newQObject(ptr, QScriptEngine::ScriptOwnership);
+    }
+    eng.collectGarbage();
+    QVERIFY(ptr == 0);
+}
+
+void tst_QScriptEngine::gcWithNestedDataStructure()
+{
+    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;
+        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();
+
+        QString script = QString::fromLatin1(
+            "var end = Number(new Date()) + 1000;"
+            "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()
+{
+    QScriptEngine eng;
+
+    EventReceiver2 receiver(&eng);
+    QCoreApplication::postEvent(&receiver, new QEvent(QEvent::Type(QEvent::User+1)));
+
+    eng.setProcessEventsInterval(100);
+    QScriptValue ret = eng.evaluate(QString::fromLatin1("while (1) { }"));
+    QVERIFY(ret.isError());
+    QCOMPARE(ret.toString(), QString::fromLatin1("Error: Killed"));
+}
+
+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(5)@testfile:9"
+              << "foo(4)@testfile:7"
+              << "foo(3)@testfile:6"
+              << "foo(2)@testfile:5"
+              << "foo(1)@testfile:4"
+              << "foo(0)@testfile:3"
+              << "<global>()@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);
+
+    QScriptValue stack = result.property("stack");
+    QVERIFY(stack.isArray());
+
+    QCOMPARE(stack.property("length").toInt32(), 7);
+
+    QScriptValueIterator it(stack);
+    int counter = 5;
+    while (it.hasNext()) {
+        it.next();
+        QScriptValue obj = it.value();
+        QScriptValue frame = obj.property("frame");
+
+        QCOMPARE(obj.property("fileName").toString(), fileName);
+        if (counter >= 0) {
+            QScriptValue callee = frame.property("arguments").property("callee");
+            QVERIFY(callee.strictlyEquals(eng.globalObject().property("foo")));
+            QCOMPARE(obj.property("functionName").toString(), QString("foo"));
+            int line = obj.property("lineNumber").toInt32();
+            if (counter == 5)
+                QCOMPARE(line, 9);
+            else
+                QCOMPARE(line, 3 + counter);
+        } else {
+            QVERIFY(frame.strictlyEquals(eng.globalObject()));
+            QVERIFY(obj.property("functionName").toString().isEmpty());
+        }
+
+        --counter;
+    }
+
+    {
+        QScriptValue bt = result.property("backtrace").call(result);
+        QCOMPARE(qscriptvalue_cast<QStringList>(bt), backtrace);
+    }
+
+    // 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::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
+void tst_QScriptEngine::automaticSemicolonInsertion()
+{
+    QScriptEngine eng;
+    {
+        QScriptValue ret = eng.evaluate("{ 1 2 } 3");
+        QVERIFY(ret.isError());
+        QCOMPARE(ret.toString(), QString::fromLatin1("SyntaxError: Expected `;', `;'"));
+    }
+    {
+        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());
+        QCOMPARE(ret.toString(), QString::fromLatin1("SyntaxError: Expected `;'"));
+    }
+    {
+        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());
+        QCOMPARE(ret.toString(), QString::fromLatin1("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());
+        QCOMPARE(ret.toString(), QString::fromLatin1("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
+    };
+
+    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;
+            }
+        }
+        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()
+{
+    QScriptEngine eng;
+
+    eng.abortEvaluation();
+    QVERIFY(!eng.hasUncaughtException());
+
+    EventReceiver3 receiver(&eng);
+
+    eng.setProcessEventsInterval(100);
+    for (int x = 0; x < 3; ++x) {
+        QCoreApplication::postEvent(&receiver, new QEvent(QEvent::Type(QEvent::User+1)));
+        receiver.resultType = EventReceiver3::AbortionResult(x);
+        QScriptValue ret = eng.evaluate(QString::fromLatin1("while (1) { }"));
+        switch (receiver.resultType) {
+        case EventReceiver3::None:
+            QVERIFY(!eng.hasUncaughtException());
+            QVERIFY(!ret.isValid());
+            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;
+        }
+    }
+
+    // scripts cannot intercept the abortion with try/catch
+    for (int y = 0; y < 3; ++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::String:
+            QVERIFY(!eng.hasUncaughtException());
+            QVERIFY(ret.isString());
+            QCOMPARE(ret.toString(), QString::fromLatin1("Aborted"));
+            break;
+        case EventReceiver3::Error:
+            QVERIFY(eng.hasUncaughtException());
+            QVERIFY(ret.isError());
+            break;
+        }
+    }
+
+    {
+        QScriptValue fun = eng.newFunction(myFunctionAbortingEvaluation);
+        eng.globalObject().setProperty("myFunctionAbortingEvaluation", fun);
+        QScriptValue ret = eng.evaluate("myFunctionAbortingEvaluation()");
+        QVERIFY(!ret.isValid());
+    }
+}
+
+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()
+{
+    QScriptEngine eng;
+
+    QVERIFY(!eng.isEvaluating());
+
+    eng.evaluate("");
+    QVERIFY(!eng.isEvaluating());
+    eng.evaluate("123");
+    QVERIFY(!eng.isEvaluating());
+    eng.evaluate("0 = 0");
+    QVERIFY(!eng.isEvaluating());
+
+    {
+        QScriptValue fun = eng.newFunction(myFunctionReturningIsEvaluating);
+        eng.globalObject().setProperty("myFunctionReturningIsEvaluating", fun);
+        QScriptValue ret = eng.evaluate("myFunctionReturningIsEvaluating()");
+        QVERIFY(ret.isBoolean());
+        QVERIFY(ret.toBoolean());
+    }
+
+    {
+        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);
+    }
+}
+
+void tst_QScriptEngine::printThrowsException()
+{
+    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 < 2; ++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("new ");
+            code += name + QLatin1String("()");
+            QScriptValue ret = eng.evaluate(code);
+            QVERIFY(ret.isError());
+            QVERIFY(!eng.hasUncaughtException());
+            QCOMPARE(ret.toString(), name);
+            QCOMPARE(ret.property("lineNumber").toInt32(), i+2);
+        }
+    }
+}
+
+void tst_QScriptEngine::argumentsProperty()
+{
+    {
+        QScriptEngine eng;
+        QVERIFY(eng.evaluate("arguments").isUndefined());
+        eng.evaluate("arguments = 10");
+        QScriptValue ret = eng.evaluate("arguments");
+        QVERIFY(ret.isNumber());
+        QCOMPARE(ret.toInt32(), 10);
+        QVERIFY(!eng.evaluate("delete arguments").toBoolean());
+    }
+    {
+        QScriptEngine eng;
+        eng.evaluate("o = { arguments: 123 }");
+        QScriptValue ret = eng.evaluate("with (o) { arguments; }");
+        QVERIFY(ret.isNumber());
+        QCOMPARE(ret.toInt32(), 123);
+    }
+    {
+        QScriptEngine eng;
+        QScriptValue ret = eng.evaluate("(function() { arguments = 456; return arguments; })()");
+        QVERIFY(ret.isNumber());
+        QCOMPARE(ret.toInt32(), 456);
+        QVERIFY(eng.evaluate("arguments").isUndefined());
+    }
+}
+
+void tst_QScriptEngine::numberClass()
+{
+    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());
+        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("1e+02"));
+    }
+    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("1e+02"));
+    }
+}
+
+void tst_QScriptEngine::forInStatement()
+{
+    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"));
+    }
+
+    // properties in prototype
+    {
+        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"));
+    }
+
+    // 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(), 2);
+        QCOMPARE(lst.at(0), QString::fromLatin1("p"));
+        QCOMPARE(lst.at(1), QString::fromLatin1("q"));
+    }
+
+    // arrays
+    {
+        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("foo"));
+        QCOMPARE(lst.at(1), QString::fromLatin1("0"));
+        QCOMPARE(lst.at(2), QString::fromLatin1("1"));
+    }
+    {
+        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("foo"));
+        QCOMPARE(lst.at(1), QString::fromLatin1("0"));
+        QCOMPARE(lst.at(2), QString::fromLatin1("1"));
+        QCOMPARE(lst.at(3), QString::fromLatin1("bar"));
+    }
+
+    // null and undefined
+    // according to the spec, we should throw an exception; however, for
+    // compability with the real world, we don't
+    {
+        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::functionExpression()
+{
+    // task 175679
+    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()
+{
+    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());
+    }
+
+    // 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 Object
+    {
+        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'");
+            QVERIFY(ret.equals(eng.globalObject()));
+        }
+        {
+            QScriptValue ret = eng.evaluate("(function() { return x = 'foo'; })()");
+            QVERIFY(ret.equals(eng.globalObject()));
+        }
+        {
+            QScriptValue ret = eng.evaluate("with (this) x = 'foo'");
+            QVERIFY(ret.equals(eng.globalObject()));
+        }
+        {
+            QScriptValue ret = eng.evaluate("with ({}) x = 'foo'");
+            QVERIFY(ret.equals(eng.globalObject()));
+        }
+        {
+            QScriptValue ret = eng.evaluate("(function() { with ({}) return x = 'foo'; })()");
+            QVERIFY(ret.equals(eng.globalObject()));
+        }
+    }
+
+    // other object
+    {
+        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; });");
+        QVERIFY(eng.evaluate("(o.x = 'foo') === o").toBoolean());
+        QVERIFY(eng.evaluate("with (o) x = 'foo'").equals(eng.evaluate("o")));
+        QVERIFY(eng.evaluate("with (o) with (q) x = 'foo'").equals(eng.evaluate("o")));
+    }
+
+    // getter+setter in prototype chain
+    {
+        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; });");
+        QVERIFY(eng.evaluate("(o.x = 'foo') === o").toBoolean());
+        QVERIFY(eng.evaluate("with (o) x = 'foo'").equals(eng.evaluate("o")));
+        QVERIFY(eng.evaluate("with (o) with (q) x = 'foo'").equals(eng.evaluate("o")));
+    }
+
+    // getter+setter in activation
+    {
+        QScriptEngine eng;
+        QScriptContext *ctx = eng.pushContext();
+        QScriptValue act = ctx->activationObject();
+        act.setProperty("act", act);
+        // read
+        eng.evaluate("act.__defineGetter__('x', function() { return this; })");
+        QVERIFY(eng.evaluate("x === act").toBoolean());
+        QVERIFY(eng.evaluate("with (act) x").equals(eng.evaluate("act")));
+        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') === act").toBoolean());
+        QVERIFY(eng.evaluate("with (act) x = 'foo'").equals(eng.evaluate("act")));
+        QVERIFY(eng.evaluate("with (act) with (q) x = 'foo'").equals(eng.evaluate("act")));
+        eng.popContext();
+    }
+}
+
+void tst_QScriptEngine::continueInSwitch()
+{
+    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::readOnlyPrototypeProperty()
+{
+    QScriptEngine eng;
+    QCOMPARE(eng.evaluate("o = {}; o.__proto__ = parseInt; o.length").toInt32(), 2);
+    QCOMPARE(eng.evaluate("o.length = 4; o.length").toInt32(), 2);
+    QVERIFY(!eng.evaluate("o.hasOwnProperty('length')").toBoolean());
+    QCOMPARE(eng.evaluate("o.length *= 2; o.length").toInt32(), 2);
+    QCOMPARE(eng.evaluate("o.length /= 2; o.length").toInt32(), 2);
+    QCOMPARE(eng.evaluate("o.length %= 2; o.length").toInt32(), 2);
+    QCOMPARE(eng.evaluate("o.length += 2; o.length").toInt32(), 2);
+    QCOMPARE(eng.evaluate("o.length -= 2; o.length").toInt32(), 2);
+    QCOMPARE(eng.evaluate("o.length <<= 2; o.length").toInt32(), 2);
+    QCOMPARE(eng.evaluate("o.length >>= 2; o.length").toInt32(), 2);
+    QCOMPARE(eng.evaluate("o.length >>>= 2; o.length").toInt32(), 2);
+    QCOMPARE(eng.evaluate("o.length &= 0; o.length").toInt32(), 2);
+    QCOMPARE(eng.evaluate("o.length ^= 255; o.length").toInt32(), 2);
+    QCOMPARE(eng.evaluate("o.length |= 255; o.length").toInt32(), 2);
+
+    {
+        QScriptValue ret = eng.evaluate("o.__defineGetter__('length', function() {})");
+        QVERIFY(ret.isError());
+        QCOMPARE(ret.toString(), QString::fromLatin1("Error: cannot redefine read-only property"));
+    }
+    {
+        QScriptValue ret = eng.evaluate("o.__defineSetter__('length', function() {})");
+        QVERIFY(ret.isError());
+        QCOMPARE(ret.toString(), QString::fromLatin1("Error: cannot redefine read-only property"));
+    }
+}
+
+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());
+    }
+
+    QScriptValue sant(true);
+    {
+        QScriptValue tmp = eng.toObject(sant);
+        QVERIFY(tmp.isObject());
+        QCOMPARE(tmp.toNumber(), sant.toNumber());
+    }
+
+    QScriptValue number(123.0);
+    {
+        QScriptValue tmp = eng.toObject(number);
+        QVERIFY(tmp.isObject());
+        QCOMPARE(tmp.toNumber(), number.toNumber());
+    }
+
+    QScriptValue str = QScriptValue(&eng, QString("ciao"));
+    {
+        QScriptValue tmp = eng.toObject(str);
+        QVERIFY(tmp.isObject());
+        QCOMPARE(tmp.toString(), str.toString());
+    }
+
+    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());
+}
+
+void tst_QScriptEngine::reservedWords_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::reservedWords()
+{
+    QFETCH(QString, word);
+    {
+        QScriptEngine eng;
+        QScriptValue ret = eng.evaluate(word + " = 123");
+        QVERIFY(ret.isError());
+        QVERIFY(ret.toString().startsWith("SyntaxError"));
+    }
+    {
+        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");
+        QVERIFY(!ret.isError());
+        QVERIFY(ret.strictlyEquals(eng.evaluate("o." + word)));
+    }
+    {
+        QScriptEngine eng;
+        QScriptValue ret = eng.evaluate("o = { " + word + ": 123 }");
+        QVERIFY(!ret.isError());
+        QVERIFY(ret.property(word).isNumber());
+    }
+    {
+        // 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::futureReservedWords_data()
+{
+    QTest::addColumn<QString>("word");
+    QTest::newRow("abstract") << QString("abstract");
+    QTest::newRow("boolean") << QString("boolean");
+    QTest::newRow("byte") << QString("byte");
+    QTest::newRow("char") << QString("char");
+    QTest::newRow("class") << QString("class");
+    QTest::newRow("const") << QString("const");
+    QTest::newRow("debugger") << QString("debugger");
+    QTest::newRow("double") << QString("double");
+    QTest::newRow("enum") << QString("enum");
+    QTest::newRow("export") << QString("export");
+    QTest::newRow("extends") << QString("extends");
+    QTest::newRow("final") << QString("final");
+    QTest::newRow("float") << QString("float");
+    QTest::newRow("goto") << QString("goto");
+    QTest::newRow("implements") << QString("implements");
+    QTest::newRow("import") << QString("import");
+    QTest::newRow("int") << QString("int");
+    QTest::newRow("interface") << QString("interface");
+    QTest::newRow("long") << QString("long");
+    QTest::newRow("native") << QString("native");
+    QTest::newRow("package") << QString("package");
+    QTest::newRow("private") << QString("private");
+    QTest::newRow("protected") << QString("protected");
+    QTest::newRow("public") << QString("public");
+    QTest::newRow("short") << QString("short");
+    QTest::newRow("static") << QString("static");
+    QTest::newRow("super") << QString("super");
+    QTest::newRow("synchronized") << QString("synchronized");
+    QTest::newRow("throws") << QString("throws");
+    QTest::newRow("transient") << QString("transient");
+    QTest::newRow("volatile") << QString("volatile");
+}
+
+void tst_QScriptEngine::futureReservedWords()
+{
+    QFETCH(QString, word);
+    {
+        QScriptEngine eng;
+        QScriptValue ret = eng.evaluate(word + " = 123");
+        QVERIFY(ret.isError());
+        QVERIFY(ret.toString().startsWith("SyntaxError"));
+    }
+    {
+        QScriptEngine eng;
+        QScriptValue ret = eng.evaluate("var " + word + " = 123");
+        QVERIFY(ret.isError());
+        QVERIFY(ret.toString().startsWith("SyntaxError"));
+    }
+    {
+        // this should probably be allowed (see task 162567)
+        QScriptEngine eng;
+        QScriptValue ret = eng.evaluate("o = {}; o." + word + " = 123");
+        QVERIFY(ret.isNumber());
+    }
+    {
+        // this should probably be allowed (see task 162567)
+        QScriptEngine eng;
+        QScriptValue ret = eng.evaluate("o = { " + word + ": 123 }");
+        QVERIFY(!ret.isError());
+        QVERIFY(ret.isObject());
+    }
+}
+
+void tst_QScriptEngine::throwInsideWithStatement()
+{
+    // task 209988
+    QScriptEngine eng;
+    {
+        QScriptValue ret = eng.evaluate(
+            "try {"
+            "  o = { bad : \"bug\" };"
+            "  with (o) {"
+            "    throw 123;"
+            "  }"
+            "} catch (e) {"
+            "  bad;"
+            "}");
+        QVERIFY(ret.isError());
+        QCOMPARE(ret.toString(), QString::fromLatin1("ReferenceError: bad is not defined"));
+    }
+    {
+        QScriptValue ret = eng.evaluate(
+            "try {"
+            "  o = { bad : \"bug\" };"
+            "  with (o) {"
+            "    throw 123;"
+            "  }"
+            "} finally {"
+            "  bad;"
+            "}");
+        QVERIFY(ret.isError());
+        QCOMPARE(ret.toString(), QString::fromLatin1("ReferenceError: bad is not defined"));
+    }
+    {
+        QScriptValue ret = eng.evaluate(
+            "o = { bug : \"no bug\" };"
+            "with (o) {"
+            "  try {"
+            "    throw 123;"
+            "  } finally {"
+            "    bug;"
+            "  }"
+            "}");
+        QVERIFY(ret.isString());
+        QCOMPARE(ret.toString(), QString::fromLatin1("no bug"));
+    }
+    {
+        QScriptValue ret = eng.evaluate(
+            "o = { bug : \"no bug\" };"
+            "with (o) {"
+            "    throw 123;"
+            "}");
+        QVERIFY(ret.isNumber());
+        QScriptValue ret2 = eng.evaluate("bug");
+        QVERIFY(ret2.isError());
+        QCOMPARE(ret2.toString(), QString::fromLatin1("ReferenceError: bug is not defined"));
+    }
+}
+
+class TestAgent : public QScriptEngineAgent
+{
+public:
+    TestAgent(QScriptEngine *engine) : QScriptEngineAgent(engine) {}
+};
+
+void tst_QScriptEngine::getSetAgent()
+{
+    QScriptEngine eng;
+    QCOMPARE(eng.agent(), (QScriptEngineAgent*)0);
+    TestAgent agent(&eng);
+    eng.setAgent(&agent);
+    QCOMPARE(eng.agent(), (QScriptEngineAgent*)&agent);
+    eng.setAgent(0);
+    QCOMPARE(eng.agent(), (QScriptEngineAgent*)0);
+}
+
+void tst_QScriptEngine::reentrancy()
+{
+    {
+        QScriptEngine eng1;
+        QScriptEngine eng2;
+        QScriptString s1 = eng1.toStringHandle("foo");
+        QScriptString s2 = eng2.toStringHandle("foo");
+        QVERIFY(s1 != s2);
+    }
+    {
+        QScriptEngine eng1;
+        QScriptEngine eng2;
+        eng1.setProcessEventsInterval(123);
+        QCOMPARE(eng2.processEventsInterval(), -1);
+        eng2.setProcessEventsInterval(456);
+        QCOMPARE(eng1.processEventsInterval(), 123);
+    }
+    {
+        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));
+    }
+    {
+        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);
+    }
+    // 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:: incDecNonObjectProperty()
+{
+    QScriptEngine eng;
+    {
+        QScriptValue ret = eng.evaluate("var a; a.n++");
+        QVERIFY(ret.isError());
+        QCOMPARE(ret.toString(), QString::fromLatin1("TypeError: not an object"));
+    }
+    {
+        QScriptValue ret = eng.evaluate("var a; a.n--");
+        QVERIFY(ret.isError());
+        QCOMPARE(ret.toString(), QString::fromLatin1("TypeError: not an object"));
+    }
+    {
+        QScriptValue ret = eng.evaluate("var a = null; a.n++");
+        QVERIFY(ret.isError());
+        QCOMPARE(ret.toString(), QString::fromLatin1("TypeError: not an object"));
+    }
+    {
+        QScriptValue ret = eng.evaluate("var a = null; a.n--");
+        QVERIFY(ret.isError());
+        QCOMPARE(ret.toString(), QString::fromLatin1("TypeError: not an object"));
+    }
+    {
+        QScriptValue ret = eng.evaluate("var a; ++a.n");
+        QVERIFY(ret.isError());
+        QCOMPARE(ret.toString(), QString::fromLatin1("TypeError: not an object"));
+    }
+    {
+        QScriptValue ret = eng.evaluate("var a; --a.n");
+        QVERIFY(ret.isError());
+        QCOMPARE(ret.toString(), QString::fromLatin1("TypeError: not an object"));
+    }
+    {
+        QScriptValue ret = eng.evaluate("var a; a.n += 1");
+        QVERIFY(ret.isError());
+        QCOMPARE(ret.toString(), QString::fromLatin1("TypeError: not an object"));
+    }
+    {
+        QScriptValue ret = eng.evaluate("var a; a.n -= 1");
+        QVERIFY(ret.isError());
+        QCOMPARE(ret.toString(), QString::fromLatin1("TypeError: not an object"));
+    }
+    {
+        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);
+    }
+}
+
+QTEST_MAIN(tst_QScriptEngine)
+#include "tst_qscriptengine.moc"