void tst_QScriptContext::thisObject()
{
QScriptEngine eng;
QScriptValue fun = eng.newFunction(get_thisObject);
eng.globalObject().setProperty("get_thisObject", fun);
{
QScriptValue result = eng.evaluate("get_thisObject()");
QCOMPARE(result.isObject(), true);
QCOMPARE(result.toString(), QString("[object global]"));
}
{
QScriptValue result = eng.evaluate("get_thisObject.apply(new Number(123))");
QCOMPARE(result.isObject(), true);
QCOMPARE(result.toNumber(), 123.0);
}
{
QScriptValue obj = eng.newObject();
eng.currentContext()->setThisObject(obj);
QVERIFY(eng.currentContext()->thisObject().equals(obj));
eng.currentContext()->setThisObject(QScriptValue());
QVERIFY(eng.currentContext()->thisObject().equals(obj));
QScriptEngine eng2;
QScriptValue obj2 = eng2.newObject();
QTest::ignoreMessage(QtWarningMsg, "QScriptContext::setThisObject() failed: cannot set an object created in a different engine");
eng.currentContext()->setThisObject(obj2);
}
}
void tst_QScriptContext::returnValue()
{
QSKIP("Internal function not implemented in JSC-based back-end", SkipAll);
QScriptEngine eng;
eng.evaluate("123");
QCOMPARE(eng.currentContext()->returnValue().toNumber(), 123.0);
eng.evaluate("\"ciao\"");
QCOMPARE(eng.currentContext()->returnValue().toString(), QString("ciao"));
}
QScriptValue ScriptFunctionWrapper::callWith(const QScriptValue &val) {
//qDebug() << "Call called" << d->name;
QScriptEngine *eng = val.engine();
if (!eng) {
qDebug() << "We cannot access the script-engine, fail!";
return QScriptValue();
}
QScriptContext *ctx = eng->currentContext();
return d->object.property(d->name).call(QScriptValue(), ctx->argumentsObject());
}
bool XTreeView::throwScriptException(const QString &message)
{
QObject *ancestor = this;
QScriptEngine *engine = 0;
for ( ; ancestor; ancestor = ancestor->parent())
{
engine = ancestor->findChild<QScriptEngine*>();
if (engine)
break;
}
if (engine)
{
QScriptContext *ctx = engine->currentContext();
ctx->throwError(message);
return true;
}
return false;
}
void tst_QScriptContext::scopeChain()
{
QScriptEngine eng;
{
QScriptValueList ret = eng.currentContext()->scopeChain();
QCOMPARE(ret.size(), 1);
QVERIFY(ret.at(0).strictlyEquals(eng.globalObject()));
}
{
eng.globalObject().setProperty("getScopeChain", eng.newFunction(getScopeChain));
QScriptValueList ret = qscriptvalue_cast<QScriptValueList>(eng.evaluate("getScopeChain()"));
QCOMPARE(ret.size(), 1);
QVERIFY(ret.at(0).strictlyEquals(eng.globalObject()));
}
{
eng.evaluate("function foo() { function bar() { return getScopeChain(); } return bar() }");
QScriptValueList ret = qscriptvalue_cast<QScriptValueList>(eng.evaluate("foo()"));
QEXPECT_FAIL("", "Number of items in returned scope chain is incorrect", Abort);
QCOMPARE(ret.size(), 3);
QVERIFY(ret.at(2).strictlyEquals(eng.globalObject()));
QCOMPARE(ret.at(1).toString(), QString::fromLatin1("activation"));
QVERIFY(ret.at(1).property("arguments").isObject());
QCOMPARE(ret.at(0).toString(), QString::fromLatin1("activation"));
QVERIFY(ret.at(0).property("arguments").isObject());
}
{
QScriptValueList ret = qscriptvalue_cast<QScriptValueList>(eng.evaluate("o = { x: 123 }; with(o) getScopeChain();"));
QCOMPARE(ret.size(), 2);
QVERIFY(ret.at(1).strictlyEquals(eng.globalObject()));
QVERIFY(ret.at(0).isObject());
QCOMPARE(ret.at(0).property("x").toInt32(), 123);
}
{
QScriptValueList ret = qscriptvalue_cast<QScriptValueList>(
eng.evaluate("o1 = { x: 123}; o2 = { y: 456 }; with(o1) { with(o2) { getScopeChain(); } }"));
QCOMPARE(ret.size(), 3);
QVERIFY(ret.at(2).strictlyEquals(eng.globalObject()));
QVERIFY(ret.at(1).isObject());
QCOMPARE(ret.at(1).property("x").toInt32(), 123);
QVERIFY(ret.at(0).isObject());
QCOMPARE(ret.at(0).property("y").toInt32(), 456);
}
}
void tst_QScriptContext::getSetActivationObject()
{
QScriptEngine eng;
QScriptContext *ctx = eng.currentContext();
QVERIFY(ctx->activationObject().equals(eng.globalObject()));
ctx->setActivationObject(QScriptValue());
QVERIFY(ctx->activationObject().equals(eng.globalObject()));
QCOMPARE(ctx->engine(), &eng);
QScriptValue obj = eng.newObject();
ctx->setActivationObject(obj);
QVERIFY(ctx->activationObject().equals(obj));
QCOMPARE(ctx->scopeChain().size(), 1);
QVERIFY(ctx->scopeChain().at(0).equals(obj));
{
QScriptEngine eng2;
QScriptValue obj2 = eng2.newObject();
QTest::ignoreMessage(QtWarningMsg, "QScriptContext::setActivationObject() failed: cannot set an object created in a different engine");
QScriptValue was = ctx->activationObject();
ctx->setActivationObject(obj2);
QVERIFY(ctx->activationObject().equals(was));
}
ctx->setActivationObject(eng.globalObject());
QVERIFY(ctx->activationObject().equals(eng.globalObject()));
QScriptValue fun = eng.newFunction(get_activationObject);
eng.globalObject().setProperty("get_activationObject", fun);
{
QScriptValue ret = eng.evaluate("get_activationObject(1, 2, 3)");
QVERIFY(ret.isObject());
QScriptValue arguments = ret.property("arguments");
QEXPECT_FAIL("", "Getting arguments property of activation object doesn't work", Abort);
QVERIFY(arguments.isObject());
QCOMPARE(arguments.property("length").toInt32(), 3);
QCOMPARE(arguments.property("0").toInt32(), 1);
QCOMPARE(arguments.property("1").toInt32(), 1);
QCOMPARE(arguments.property("2").toInt32(), 1);
}
}
void tst_QScriptContext::pushAndPopScope()
{
QScriptEngine eng;
QScriptContext *ctx = eng.currentContext();
QCOMPARE(ctx->scopeChain().size(), 1);
QVERIFY(ctx->scopeChain().at(0).strictlyEquals(eng.globalObject()));
QVERIFY(ctx->popScope().strictlyEquals(eng.globalObject()));
ctx->pushScope(eng.globalObject());
QCOMPARE(ctx->scopeChain().size(), 1);
QVERIFY(ctx->scopeChain().at(0).strictlyEquals(eng.globalObject()));
QScriptValue obj = eng.newObject();
ctx->pushScope(obj);
QCOMPARE(ctx->scopeChain().size(), 2);
QVERIFY(ctx->scopeChain().at(0).strictlyEquals(obj));
QVERIFY(ctx->scopeChain().at(1).strictlyEquals(eng.globalObject()));
QVERIFY(ctx->popScope().strictlyEquals(obj));
QCOMPARE(ctx->scopeChain().size(), 1);
QVERIFY(ctx->scopeChain().at(0).strictlyEquals(eng.globalObject()));
{
QScriptValue ret = eng.evaluate("x");
QVERIFY(ret.isError());
eng.clearExceptions();
}
QCOMPARE(ctx->scopeChain().size(), 1);
QVERIFY(ctx->scopeChain().at(0).strictlyEquals(eng.globalObject()));
// task 236685
QScriptValue qobj = eng.newQObject(this, QScriptEngine::QtOwnership, QScriptEngine::AutoCreateDynamicProperties);
ctx->pushScope(qobj);
QCOMPARE(ctx->scopeChain().size(), 2);
QVERIFY(ctx->scopeChain().at(0).strictlyEquals(qobj));
QVERIFY(ctx->scopeChain().at(1).strictlyEquals(eng.globalObject()));
{
QScriptValue ret = eng.evaluate("print");
QVERIFY(ret.isFunction());
}
ctx->popScope();
ctx->pushScope(obj);
QCOMPARE(ctx->scopeChain().size(), 2);
QVERIFY(ctx->scopeChain().at(0).strictlyEquals(obj));
obj.setProperty("x", 123);
{
QScriptValue ret = eng.evaluate("x");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 123);
}
QVERIFY(ctx->popScope().strictlyEquals(obj));
QCOMPARE(ctx->scopeChain().size(), 1);
QVERIFY(ctx->scopeChain().at(0).strictlyEquals(eng.globalObject()));
ctx->pushScope(QScriptValue());
QCOMPARE(ctx->scopeChain().size(), 1);
QVERIFY(ctx->popScope().strictlyEquals(eng.globalObject()));
QVERIFY(ctx->scopeChain().isEmpty());
// Used to work with old back-end, doesn't with new one because JSC requires that the last object in
// a scope chain is the Global Object.
QTest::ignoreMessage(QtWarningMsg, "QScriptContext::pushScope() failed: initial object in scope chain has to be the Global Object");
ctx->pushScope(obj);
QCOMPARE(ctx->scopeChain().size(), 0);
QScriptEngine eng2;
QScriptValue obj2 = eng2.newObject();
QTest::ignoreMessage(QtWarningMsg, "QScriptContext::pushScope() failed: cannot push an object created in a different engine");
ctx->pushScope(obj2);
QVERIFY(ctx->scopeChain().isEmpty());
QVERIFY(!ctx->popScope().isValid());
}
void tst_QScriptContext::pushAndPopContext()
{
QScriptEngine eng;
QScriptContext *topLevel = eng.currentContext();
QCOMPARE(topLevel->engine(), &eng);
QScriptContext *ctx = eng.pushContext();
QVERIFY(ctx != 0);
QCOMPARE(ctx->parentContext(), topLevel);
QCOMPARE(eng.currentContext(), ctx);
QCOMPARE(ctx->engine(), &eng);
QCOMPARE(ctx->state(), QScriptContext::NormalState);
QCOMPARE(ctx->isCalledAsConstructor(), false);
QCOMPARE(ctx->argumentCount(), 0);
QCOMPARE(ctx->argument(0).isUndefined(), true);
QVERIFY(!ctx->argument(-1).isValid());
QCOMPARE(ctx->argumentsObject().isObject(), true);
QCOMPARE(ctx->activationObject().isObject(), true);
QCOMPARE(ctx->callee().isValid(), false);
QCOMPARE(ctx->thisObject().strictlyEquals(eng.globalObject()), true);
QCOMPARE(ctx->scopeChain().size(), 2);
QVERIFY(ctx->scopeChain().at(0).equals(ctx->activationObject()));
QVERIFY(ctx->scopeChain().at(1).equals(eng.globalObject()));
QScriptContext *ctx2 = eng.pushContext();
QCOMPARE(ctx2->parentContext(), ctx);
QCOMPARE(eng.currentContext(), ctx2);
eng.popContext();
QCOMPARE(eng.currentContext(), ctx);
eng.popContext();
QCOMPARE(eng.currentContext(), topLevel);
// popping the top-level context is not allowed
QTest::ignoreMessage(QtWarningMsg, "QScriptEngine::popContext() doesn't match with pushContext()");
eng.popContext();
QCOMPARE(eng.currentContext(), topLevel);
{
QScriptContext *ctx3 = eng.pushContext();
ctx3->activationObject().setProperty("foo", QScriptValue(&eng, 123));
QVERIFY(eng.evaluate("foo").strictlyEquals(QScriptValue(&eng, 123)));
eng.evaluate("var bar = 'ciao'");
QVERIFY(ctx3->activationObject().property("bar", QScriptValue::ResolveLocal).strictlyEquals(QScriptValue(&eng, "ciao")));
eng.popContext();
}
{
QScriptContext *ctx4 = eng.pushContext();
QScriptValue obj = eng.newObject();
obj.setProperty("prop", QScriptValue(&eng, 456));
ctx4->setThisObject(obj);
QScriptValue ret = eng.evaluate("var tmp = this.prop; tmp + 1");
QCOMPARE(eng.currentContext(), ctx4);
QVERIFY(ret.strictlyEquals(QScriptValue(&eng, 457)));
eng.popContext();
}
// throwing an exception
{
QScriptContext *ctx5 = eng.pushContext();
QScriptValue ret = eng.evaluate("throw new Error('oops')");
QVERIFY(ret.isError());
QVERIFY(eng.hasUncaughtException());
QCOMPARE(eng.currentContext(), ctx5);
eng.popContext();
}
}
void tst_QScriptContext::arguments()
{
QScriptEngine eng;
{
QScriptValue args = eng.currentContext()->argumentsObject();
QVERIFY(args.isObject());
QCOMPARE(args.property("length").toInt32(), 0);
}
{
QScriptValue fun = eng.newFunction(get_arguments);
eng.globalObject().setProperty("get_arguments", fun);
}
for (int x = 0; x < 2; ++x) {
QString prefix;
if (x == 0)
prefix = "";
else
prefix = "new ";
{
QScriptValue result = eng.evaluate(prefix+"get_arguments()");
QCOMPARE(result.isArray(), true);
QCOMPARE(result.property("length").toUInt32(), quint32(0));
}
{
QScriptValue result = eng.evaluate(prefix+"get_arguments(123)");
QCOMPARE(result.isArray(), true);
QCOMPARE(result.property("length").toUInt32(), quint32(1));
QCOMPARE(result.property("0").isNumber(), true);
QCOMPARE(result.property("0").toNumber(), 123.0);
}
{
QScriptValue result = eng.evaluate(prefix+"get_arguments(\"ciao\", null, true, undefined)");
QCOMPARE(result.isArray(), true);
QCOMPARE(result.property("length").toUInt32(), quint32(4));
QCOMPARE(result.property("0").isString(), true);
QCOMPARE(result.property("0").toString(), QString("ciao"));
QCOMPARE(result.property("1").isNull(), true);
QCOMPARE(result.property("2").isBoolean(), true);
QCOMPARE(result.property("2").toBoolean(), true);
QCOMPARE(result.property("3").isUndefined(), true);
}
{
QScriptValue fun = eng.newFunction(get_argumentsObject);
eng.globalObject().setProperty("get_argumentsObject", fun);
}
{
QScriptValue fun = eng.evaluate("get_argumentsObject");
QCOMPARE(fun.isFunction(), true);
QScriptValue result = eng.evaluate(prefix+"get_argumentsObject()");
QCOMPARE(result.isArray(), false);
QVERIFY(result.isObject());
QCOMPARE(result.property("length").toUInt32(), quint32(0));
QCOMPARE(result.propertyFlags("length"), QScriptValue::SkipInEnumeration);
QCOMPARE(result.property("callee").strictlyEquals(fun), true);
QCOMPARE(result.propertyFlags("callee"), QScriptValue::SkipInEnumeration);
QScriptValue replacedCallee(&eng, 123);
result.setProperty("callee", replacedCallee);
QVERIFY(result.property("callee").equals(replacedCallee));
QScriptValue replacedLength(&eng, 456);
result.setProperty("length", replacedLength);
QVERIFY(result.property("length").equals(replacedLength));
result.setProperty("callee", QScriptValue());
QVERIFY(!result.property("callee").isValid());
result.setProperty("length", QScriptValue());
QVERIFY(!result.property("length").isValid());
}
{
QScriptValue result = eng.evaluate(prefix+"get_argumentsObject(123)");
eng.evaluate("function nestedArg(x,y,z) { var w = get_argumentsObject('ABC' , x+y+z); return w; }");
QScriptValue result2 = eng.evaluate("nestedArg(1, 'a', 2)");
QCOMPARE(result.isArray(), false);
QVERIFY(result.isObject());
QCOMPARE(result.property("length").toUInt32(), quint32(1));
QCOMPARE(result.property("0").isNumber(), true);
QCOMPARE(result.property("0").toNumber(), 123.0);
QVERIFY(result2.isObject());
QCOMPARE(result2.property("length").toUInt32(), quint32(2));
QCOMPARE(result2.property("0").toString(), QString::fromLatin1("ABC"));
QCOMPARE(result2.property("1").toString(), QString::fromLatin1("1a2"));
}
{
QScriptValue result = eng.evaluate(prefix+"get_argumentsObject(\"ciao\", null, true, undefined)");
QCOMPARE(result.isArray(), false);
QCOMPARE(result.property("length").toUInt32(), quint32(4));
QCOMPARE(result.property("0").isString(), true);
QCOMPARE(result.property("0").toString(), QString("ciao"));
QCOMPARE(result.property("1").isNull(), true);
QCOMPARE(result.property("2").isBoolean(), true);
QCOMPARE(result.property("2").toBoolean(), true);
QCOMPARE(result.property("3").isUndefined(), true);
}
// arguments object returned from script
{
QScriptValue result = eng.evaluate("(function() { return arguments; })(123)");
QCOMPARE(result.isArray(), false);
QVERIFY(result.isObject());
QCOMPARE(result.property("length").toUInt32(), quint32(1));
QCOMPARE(result.property("0").isNumber(), true);
QCOMPARE(result.property("0").toNumber(), 123.0);
}
{
QScriptValue result = eng.evaluate("(function() { return arguments; })('ciao', null, true, undefined)");
QCOMPARE(result.isArray(), false);
QCOMPARE(result.property("length").toUInt32(), quint32(4));
QCOMPARE(result.property("0").isString(), true);
QCOMPARE(result.property("0").toString(), QString("ciao"));
QCOMPARE(result.property("1").isNull(), true);
QCOMPARE(result.property("2").isBoolean(), true);
QCOMPARE(result.property("2").toBoolean(), true);
QCOMPARE(result.property("3").isUndefined(), true);
}
}
}