tests/auto/qscriptvalueiterator/tst_qscriptvalueiterator.cpp
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/auto/qscriptvalueiterator/tst_qscriptvalueiterator.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,573 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+
+#include <QtTest/QtTest>
+
+#include <QtScript/qscriptengine.h>
+#include <QtScript/qscriptvalueiterator.h>
+
+//TESTED_CLASS=
+//TESTED_FILES=
+
+Q_DECLARE_METATYPE(QScriptValue);
+
+class tst_QScriptValueIterator : public QObject
+{
+    Q_OBJECT
+
+public:
+    tst_QScriptValueIterator();
+    virtual ~tst_QScriptValueIterator();
+
+private slots:
+    void iterateForward_data();
+    void iterateForward();
+    void iterateBackward_data();
+    void iterateBackward();
+    void iterateArray_data();
+    void iterateArray();
+    void iterateBackAndForth();
+    void setValue();
+    void remove();
+    void iterateString();
+    void iterateGetterSetter();
+    void assignObjectToIterator();
+};
+
+tst_QScriptValueIterator::tst_QScriptValueIterator()
+{
+}
+
+tst_QScriptValueIterator::~tst_QScriptValueIterator()
+{
+}
+
+void tst_QScriptValueIterator::iterateForward_data()
+{
+    QTest::addColumn<QStringList>("propertyNames");
+    QTest::addColumn<QStringList>("propertyValues");
+
+    QTest::newRow("no properties")
+        << QStringList() << QStringList();
+    QTest::newRow("foo=bar")
+        << (QStringList() << "foo")
+        << (QStringList() << "bar");
+    QTest::newRow("foo=bar, baz=123")
+        << (QStringList() << "foo" << "baz")
+        << (QStringList() << "bar" << "123");
+    QTest::newRow("foo=bar, baz=123, rab=oof")
+        << (QStringList() << "foo" << "baz" << "rab")
+        << (QStringList() << "bar" << "123" << "oof");
+}
+
+void tst_QScriptValueIterator::iterateForward()
+{
+    QFETCH(QStringList, propertyNames);
+    QFETCH(QStringList, propertyValues);
+    QMap<QString, QString> pmap;
+    Q_ASSERT(propertyNames.size() == propertyValues.size());
+
+    QScriptEngine engine;
+    QScriptValue object = engine.newObject();
+    for (int i = 0; i < propertyNames.size(); ++i) {
+        QString name = propertyNames.at(i);
+        QString value = propertyValues.at(i);
+        pmap.insert(name, value);
+        object.setProperty(name, QScriptValue(&engine, value));
+    }
+    QScriptValue otherObject = engine.newObject();
+    otherObject.setProperty("foo", QScriptValue(&engine, 123456));
+    otherObject.setProperty("protoProperty", QScriptValue(&engine, 654321));
+    object.setPrototype(otherObject); // should not affect iterator
+
+    QStringList lst;
+    QScriptValueIterator it(object);
+    while (!pmap.isEmpty()) {
+        QCOMPARE(it.hasNext(), true);
+        QCOMPARE(it.hasNext(), true);
+        it.next();
+        QString name = it.name();
+        QCOMPARE(pmap.contains(name), true);
+        QCOMPARE(it.name(), name);
+        QCOMPARE(it.flags(), object.propertyFlags(name));
+        QCOMPARE(it.value().strictlyEquals(QScriptValue(&engine, pmap.value(name))), true);
+        QCOMPARE(it.scriptName(), engine.toStringHandle(name));
+        pmap.remove(name);
+        lst.append(name);
+    }
+
+    QCOMPARE(it.hasNext(), false);
+    QCOMPARE(it.hasNext(), false);
+
+    it.toFront();
+    for (int i = 0; i < lst.count(); ++i) {
+        QCOMPARE(it.hasNext(), true);
+        it.next();
+        QCOMPARE(it.name(), lst.at(i));
+    }
+
+    for (int i = 0; i < lst.count(); ++i) {
+        QCOMPARE(it.hasPrevious(), true);
+        it.previous();
+        QCOMPARE(it.name(), lst.at(lst.count()-1-i));
+    }
+    QCOMPARE(it.hasPrevious(), false);
+}
+
+void tst_QScriptValueIterator::iterateBackward_data()
+{
+    iterateForward_data();
+}
+
+void tst_QScriptValueIterator::iterateBackward()
+{
+    QFETCH(QStringList, propertyNames);
+    QFETCH(QStringList, propertyValues);
+    QMap<QString, QString> pmap;
+    Q_ASSERT(propertyNames.size() == propertyValues.size());
+
+    QScriptEngine engine;
+    QScriptValue object = engine.newObject();
+    for (int i = 0; i < propertyNames.size(); ++i) {
+        QString name = propertyNames.at(i);
+        QString value = propertyValues.at(i);
+        pmap.insert(name, value);
+        object.setProperty(name, QScriptValue(&engine, value));
+    }
+
+    QStringList lst;
+    QScriptValueIterator it(object);
+    it.toBack();
+    while (!pmap.isEmpty()) {
+        QCOMPARE(it.hasPrevious(), true);
+        QCOMPARE(it.hasPrevious(), true);
+        it.previous();
+        QString name = it.name();
+        QCOMPARE(pmap.contains(name), true);
+        QCOMPARE(it.name(), name);
+        QCOMPARE(it.flags(), object.propertyFlags(name));
+        QCOMPARE(it.value().strictlyEquals(QScriptValue(&engine, pmap.value(name))), true);
+        pmap.remove(name);
+        lst.append(name);
+    }
+
+    QCOMPARE(it.hasPrevious(), false);
+    QCOMPARE(it.hasPrevious(), false);
+
+    it.toBack();
+    for (int i = 0; i < lst.count(); ++i) {
+        QCOMPARE(it.hasPrevious(), true);
+        it.previous();
+        QCOMPARE(it.name(), lst.at(i));
+    }
+
+    for (int i = 0; i < lst.count(); ++i) {
+        QCOMPARE(it.hasNext(), true);
+        it.next();
+        QCOMPARE(it.name(), lst.at(lst.count()-1-i));
+    }
+    QCOMPARE(it.hasNext(), false);
+}
+
+void tst_QScriptValueIterator::iterateArray_data()
+{
+    QTest::addColumn<QStringList>("inputPropertyNames");
+    QTest::addColumn<QStringList>("inputPropertyValues");
+    QTest::addColumn<QStringList>("propertyNames");
+    QTest::addColumn<QStringList>("propertyValues");
+    QTest::newRow("no elements") << QStringList() << QStringList() << QStringList() << QStringList();
+
+
+    QTest::newRow("0=foo, 1=barr")
+        << (QStringList() << "0" << "1")
+        << (QStringList() << "foo" << "bar")
+        << (QStringList() << "0" << "1")
+        << (QStringList() << "foo" << "bar");
+
+
+    QTest::newRow("0=foo, 3=barr")
+        << (QStringList() << "0" << "1" << "2" << "3")
+        << (QStringList() << "foo" << "" << "" << "bar")
+        << (QStringList() << "0" << "1" << "2" << "3")
+        << (QStringList() << "foo" << "" << "" << "bar");
+}
+
+void tst_QScriptValueIterator::iterateArray()
+{
+    QFETCH(QStringList, inputPropertyNames);
+    QFETCH(QStringList, inputPropertyValues);
+    QFETCH(QStringList, propertyNames);
+    QFETCH(QStringList, propertyValues);
+
+    QScriptEngine engine;
+    QScriptValue array = engine.newArray();
+    for (int i = 0; i < inputPropertyNames.size(); ++i) {
+        array.setProperty(inputPropertyNames.at(i), inputPropertyValues.at(i));
+    }
+
+    int length = array.property("length").toInt32();
+    QCOMPARE(length, propertyNames.size());
+    QScriptValueIterator it(array);
+    for (int i = 0; i < length; ++i) {
+        QCOMPARE(it.hasNext(), true);
+        it.next();
+        QCOMPARE(it.name(), propertyNames.at(i));
+        QCOMPARE(it.flags(), array.propertyFlags(propertyNames.at(i)));
+        QVERIFY(it.value().strictlyEquals(array.property(propertyNames.at(i))));
+        QCOMPARE(it.value().toString(), propertyValues.at(i));
+    }
+    QCOMPARE(it.hasNext(), false);
+
+    QCOMPARE(it.hasPrevious(), length > 0);
+    for (int i = length - 1; i >= 0; --i) {
+        it.previous();
+        QCOMPARE(it.name(), propertyNames.at(i));
+        QCOMPARE(it.flags(), array.propertyFlags(propertyNames.at(i)));
+        QVERIFY(it.value().strictlyEquals(array.property(propertyNames.at(i))));
+        QCOMPARE(it.value().toString(), propertyValues.at(i));
+        QCOMPARE(it.hasPrevious(), i > 0);
+    }
+    QCOMPARE(it.hasPrevious(), false);
+
+    // hasNext() and hasPrevious() cache their result; verify that the result is in sync
+    if (length > 1) {
+        QVERIFY(it.hasNext());
+        it.next();
+        QCOMPARE(it.name(), QString::fromLatin1("0"));
+        QVERIFY(it.hasNext());
+        it.previous();
+        QCOMPARE(it.name(), QString::fromLatin1("0"));
+        QVERIFY(!it.hasPrevious());
+        it.next();
+        QCOMPARE(it.name(), QString::fromLatin1("0"));
+        QVERIFY(it.hasPrevious());
+        it.next();
+        QCOMPARE(it.name(), QString::fromLatin1("1"));
+    }
+    {
+        // same test as object:
+        QScriptValue originalArray = engine.newArray();
+        for (int i = 0; i < inputPropertyNames.size(); ++i) {
+            originalArray.setProperty(inputPropertyNames.at(i), inputPropertyValues.at(i));
+        }
+        QScriptValue array = originalArray.toObject();
+        int length = array.property("length").toInt32();
+        QCOMPARE(length, propertyNames.size());
+        QScriptValueIterator it(array);
+        for (int i = 0; i < length; ++i) {
+            QCOMPARE(it.hasNext(), true);
+            it.next();
+            QCOMPARE(it.name(), propertyNames.at(i));
+            QCOMPARE(it.flags(), array.propertyFlags(propertyNames.at(i)));
+            QVERIFY(it.value().strictlyEquals(array.property(propertyNames.at(i))));
+            QCOMPARE(it.value().toString(), propertyValues.at(i));
+        }
+        QCOMPARE(it.hasNext(), false);
+    }
+}
+
+void tst_QScriptValueIterator::iterateBackAndForth()
+{
+    QScriptEngine engine;
+    {
+        QScriptValue object = engine.newObject();
+        object.setProperty("foo", QScriptValue(&engine, "bar"));
+        object.setProperty("rab", QScriptValue(&engine, "oof"),
+                           QScriptValue::SkipInEnumeration); // should not affect iterator
+        QScriptValueIterator it(object);
+        QVERIFY(it.hasNext());
+        it.next();
+        QCOMPARE(it.name(), QLatin1String("foo"));
+        QVERIFY(it.hasPrevious());
+        it.previous();
+        QCOMPARE(it.name(), QLatin1String("foo"));
+        QVERIFY(it.hasNext());
+        it.next();
+        QCOMPARE(it.name(), QLatin1String("foo"));
+        QVERIFY(it.hasPrevious());
+        it.previous();
+        QCOMPARE(it.name(), QLatin1String("foo"));
+        QVERIFY(it.hasNext());
+        it.next();
+        QCOMPARE(it.name(), QLatin1String("foo"));
+        QVERIFY(it.hasNext());
+        it.next();
+        QCOMPARE(it.name(), QLatin1String("rab"));
+        QVERIFY(it.hasPrevious());
+        it.previous();
+        QCOMPARE(it.name(), QLatin1String("rab"));
+        QVERIFY(it.hasNext());
+        it.next();
+        QCOMPARE(it.name(), QLatin1String("rab"));
+        QVERIFY(it.hasPrevious());
+        it.previous();
+        QCOMPARE(it.name(), QLatin1String("rab"));
+    }
+    {
+        // hasNext() and hasPrevious() cache their result; verify that the result is in sync
+        QScriptValue object = engine.newObject();
+        object.setProperty("foo", QScriptValue(&engine, "bar"));
+        object.setProperty("rab", QScriptValue(&engine, "oof"));
+        QScriptValueIterator it(object);
+        QVERIFY(it.hasNext());
+        it.next();
+        QCOMPARE(it.name(), QString::fromLatin1("foo"));
+        QVERIFY(it.hasNext());
+        it.previous();
+        QCOMPARE(it.name(), QString::fromLatin1("foo"));
+        QVERIFY(!it.hasPrevious());
+        it.next();
+        QCOMPARE(it.name(), QString::fromLatin1("foo"));
+        QVERIFY(it.hasPrevious());
+        it.next();
+        QCOMPARE(it.name(), QString::fromLatin1("rab"));
+    }
+}
+
+void tst_QScriptValueIterator::setValue()
+{
+    QScriptEngine engine;
+    QScriptValue object = engine.newObject();
+    object.setProperty("foo", QScriptValue(&engine, "bar"));
+    QScriptValueIterator it(object);
+    it.next();
+    QCOMPARE(it.name(), QLatin1String("foo"));
+    it.setValue(QScriptValue(&engine, "baz"));
+    QCOMPARE(it.value().strictlyEquals(QScriptValue(&engine, QLatin1String("baz"))), true);
+    QCOMPARE(object.property("foo").toString(), QLatin1String("baz"));
+    it.setValue(QScriptValue(&engine, "zab"));
+    QCOMPARE(it.value().strictlyEquals(QScriptValue(&engine, QLatin1String("zab"))), true);
+    QCOMPARE(object.property("foo").toString(), QLatin1String("zab"));
+}
+
+void tst_QScriptValueIterator::remove()
+{
+    QScriptEngine engine;
+    QScriptValue object = engine.newObject();
+    object.setProperty("foo", QScriptValue(&engine, "bar"),
+                       QScriptValue::SkipInEnumeration); // should not affect iterator
+    object.setProperty("rab", QScriptValue(&engine, "oof"));
+    QScriptValueIterator it(object);
+    it.next();
+    QCOMPARE(it.name(), QLatin1String("foo"));
+    it.remove();
+    QCOMPARE(it.hasPrevious(), false);
+    QCOMPARE(object.property("foo").isValid(), false);
+    QCOMPARE(object.property("rab").toString(), QLatin1String("oof"));
+    it.next();
+    QCOMPARE(it.name(), QLatin1String("rab"));
+    QCOMPARE(it.value().toString(), QLatin1String("oof"));
+    QCOMPARE(it.hasNext(), false);
+    it.remove();
+    QCOMPARE(object.property("rab").isValid(), false);
+    QCOMPARE(it.hasPrevious(), false);
+    QCOMPARE(it.hasNext(), false);
+}
+
+void tst_QScriptValueIterator::iterateString()
+{
+    QScriptEngine engine;
+    QScriptValue str = QScriptValue(&engine, QString::fromLatin1("ciao"));
+    QVERIFY(str.isString());
+    QScriptValue obj = str.toObject();
+    int length = obj.property("length").toInt32();
+    QCOMPARE(length, 4);
+    QScriptValueIterator it(obj);
+    for (int i = 0; i < length; ++i) {
+        QCOMPARE(it.hasNext(), true);
+        QString indexStr = QScriptValue(&engine, i).toString();
+        it.next();
+        QCOMPARE(it.name(), indexStr);
+        QCOMPARE(it.flags(), obj.propertyFlags(indexStr));
+        QCOMPARE(it.value().strictlyEquals(obj.property(indexStr)), true);
+    }
+    QCOMPARE(it.hasNext(), false);
+
+    QVERIFY(it.hasPrevious());
+    for (int i = length - 1; i >= 0; --i) {
+        it.previous();
+        QString indexStr = QScriptValue(&engine, i).toString();
+        QCOMPARE(it.name(), indexStr);
+        QCOMPARE(it.flags(), obj.propertyFlags(indexStr));
+        QCOMPARE(it.value().strictlyEquals(obj.property(indexStr)), true);
+        QCOMPARE(it.hasPrevious(), i > 0);
+    }
+    QCOMPARE(it.hasPrevious(), false);
+}
+
+static QScriptValue myGetterSetter(QScriptContext *ctx, QScriptEngine *)
+{
+    if (ctx->argumentCount() == 1)
+        ctx->thisObject().setProperty("bar", ctx->argument(0));
+    return ctx->thisObject().property("bar");
+}
+
+static QScriptValue myGetter(QScriptContext *ctx, QScriptEngine *)
+{
+    return ctx->thisObject().property("bar");
+}
+
+static QScriptValue mySetter(QScriptContext *ctx, QScriptEngine *)
+{
+    ctx->thisObject().setProperty("bar", ctx->argument(0));
+    return ctx->argument(0);
+}
+
+void tst_QScriptValueIterator::iterateGetterSetter()
+{
+    // unified getter/setter function
+    {
+        QScriptEngine eng;
+        QScriptValue obj = eng.newObject();
+        obj.setProperty("foo", eng.newFunction(myGetterSetter),
+                        QScriptValue::PropertyGetter | QScriptValue::PropertySetter);
+        QScriptValue val(&eng, 123);
+        obj.setProperty("foo", val);
+        QVERIFY(obj.property("bar").strictlyEquals(val));
+        QVERIFY(obj.property("foo").strictlyEquals(val));
+
+        QScriptValueIterator it(obj);
+        QVERIFY(it.hasNext());
+        it.next();
+        QCOMPARE(it.name(), QString::fromLatin1("foo"));
+        QCOMPARE(it.flags(), QScriptValue::PropertyFlags(QScriptValue::PropertyGetter | QScriptValue::PropertySetter));
+        QVERIFY(it.value().strictlyEquals(val));
+        QScriptValue val2(&eng, 456);
+        it.setValue(val2);
+        QVERIFY(obj.property("bar").strictlyEquals(val2));
+        QVERIFY(obj.property("foo").strictlyEquals(val2));
+
+        QVERIFY(it.hasNext());
+        it.next();
+        QCOMPARE(it.name(), QString::fromLatin1("bar"));
+        QVERIFY(!it.hasNext());
+
+        QVERIFY(it.hasPrevious());
+        it.previous();
+        QCOMPARE(it.name(), QString::fromLatin1("bar"));
+        QVERIFY(it.hasPrevious());
+        it.previous();
+        QCOMPARE(it.name(), QString::fromLatin1("foo"));
+        QCOMPARE(it.flags(), QScriptValue::PropertyFlags(QScriptValue::PropertyGetter | QScriptValue::PropertySetter));
+        QVERIFY(it.value().strictlyEquals(val2));
+        it.setValue(val);
+        QVERIFY(obj.property("bar").strictlyEquals(val));
+        QVERIFY(obj.property("foo").strictlyEquals(val));
+    }
+    // separate getter/setter function
+    for (int x = 0; x < 2; ++x) {
+        QScriptEngine eng;
+        QScriptValue obj = eng.newObject();
+        if (x == 0) {
+            obj.setProperty("foo", eng.newFunction(myGetter), QScriptValue::PropertyGetter);
+            obj.setProperty("foo", eng.newFunction(mySetter), QScriptValue::PropertySetter);
+        } else {
+            obj.setProperty("foo", eng.newFunction(mySetter), QScriptValue::PropertySetter);
+            obj.setProperty("foo", eng.newFunction(myGetter), QScriptValue::PropertyGetter);
+        }
+        QScriptValue val(&eng, 123);
+        obj.setProperty("foo", val);
+        QVERIFY(obj.property("bar").strictlyEquals(val));
+        QVERIFY(obj.property("foo").strictlyEquals(val));
+
+        QScriptValueIterator it(obj);
+        QVERIFY(it.hasNext());
+        it.next();
+        QCOMPARE(it.name(), QString::fromLatin1("foo"));
+        QVERIFY(it.value().strictlyEquals(val));
+        QScriptValue val2(&eng, 456);
+        it.setValue(val2);
+        QVERIFY(obj.property("bar").strictlyEquals(val2));
+        QVERIFY(obj.property("foo").strictlyEquals(val2));
+
+        QVERIFY(it.hasNext());
+        it.next();
+        QCOMPARE(it.name(), QString::fromLatin1("bar"));
+        QVERIFY(!it.hasNext());
+
+        QVERIFY(it.hasPrevious());
+        it.previous();
+        QCOMPARE(it.name(), QString::fromLatin1("bar"));
+        QVERIFY(it.hasPrevious());
+        it.previous();
+        QCOMPARE(it.name(), QString::fromLatin1("foo"));
+        QVERIFY(it.value().strictlyEquals(val2));
+        it.setValue(val);
+        QVERIFY(obj.property("bar").strictlyEquals(val));
+        QVERIFY(obj.property("foo").strictlyEquals(val));
+    }
+}
+
+void tst_QScriptValueIterator::assignObjectToIterator()
+{
+    QScriptEngine eng;
+    QScriptValue obj1 = eng.newObject();
+    obj1.setProperty("foo", 123);
+    QScriptValue obj2 = eng.newObject();
+    obj2.setProperty("bar", 456);
+
+    QScriptValueIterator it(obj1);
+    QVERIFY(it.hasNext());
+    it.next();
+    it = obj2;
+    QVERIFY(it.hasNext());
+    it.next();
+    QCOMPARE(it.name(), QString::fromLatin1("bar"));
+
+    it = obj1;
+    QVERIFY(it.hasNext());
+    it.next();
+    QCOMPARE(it.name(), QString::fromLatin1("foo"));
+
+    it = obj2;
+    QVERIFY(it.hasNext());
+    it.next();
+    QCOMPARE(it.name(), QString::fromLatin1("bar"));
+
+    it = obj2;
+    QVERIFY(it.hasNext());
+    it.next();
+    QCOMPARE(it.name(), QString::fromLatin1("bar"));
+}
+
+QTEST_MAIN(tst_QScriptValueIterator)
+#include "tst_qscriptvalueiterator.moc"