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#include <qtest.h>

#include <QDeclarativeEngine>

#include <QDeclarativeComponent>

#include <private/qdeclarativemetatype_p.h>

#include <QDebug>

#include <QGraphicsScene>

#include <QGraphicsItem>

#include <QDeclarativeItem>

#include <QDeclarativeContext>

#include <private/qdeclarativetextinput_p.h>

#include <private/qobject_p.h>

#ifdef Q_OS_SYMBIAN

// In Symbian OS test data is located in applications private dir

#define SRCDIR "."

#endif

class tst_creation : public QObject

{

    Q_OBJECT

public:

    tst_creation();

private slots:

    void qobject_cpp();

    void qobject_qml();

    void qobject_qmltype();

    void qobject_alloc();

    void qobject_10flat_qml();

    void qobject_10flat_cpp();

    void qobject_10tree_qml();

    void qobject_10tree_cpp();

    void itemtree_notree_cpp();

    void itemtree_objtree_cpp();

    void itemtree_cpp();

    void itemtree_data_cpp();

    void itemtree_qml();

    void itemtree_scene_cpp();

    void elements_data();

    void elements();

private:

    QDeclarativeEngine engine;

};

class TestType : public QObject

{

Q_OBJECT

Q_PROPERTY(QDeclarativeListProperty<QObject> resources READ resources)

Q_CLASSINFO("DefaultProperty", "resources")

public:

    TestType(QObject *parent = 0)

    : QObject(parent) {}

    QDeclarativeListProperty<QObject> resources() {

        return QDeclarativeListProperty<QObject>(this, 0, resources_append);

    }

    static void resources_append(QDeclarativeListProperty<QObject> *p, QObject *o) {

        o->setParent(p->object);

    }

};

tst_creation::tst_creation()

{

    qmlRegisterType<TestType>("Qt.test", 1, 0, "TestType");

    //get rid of initialization effects

    QDeclarativeTextInput te;

}

inline QUrl TEST_FILE(const QString &filename)

{

    return QUrl::fromLocalFile(QLatin1String(SRCDIR) + QLatin1String("/data/") + filename);

}

void tst_creation::qobject_cpp()

{

    QBENCHMARK {

        QObject *obj = new QObject;

        delete obj;

    }

}

void tst_creation::qobject_qml()

{

    QDeclarativeComponent component(&engine);

    component.setData("import Qt 4.7\nQtObject {}", QUrl());

    QObject *obj = component.create();

    delete obj;

    QBENCHMARK {

        QObject *obj = component.create();

        delete obj;

    }

}

void tst_creation::qobject_10flat_qml()

{

    QDeclarativeComponent component(&engine);

    component.setData("import Qt.test 1.0\nTestType { resources: [ TestType{},TestType{},TestType{},TestType{},TestType{},TestType{},TestType{},TestType{},TestType{},TestType{} ] }", QUrl());

    QObject *obj = component.create();

    delete obj;

    QBENCHMARK {

        QObject *obj = component.create();

        delete obj;

    }

}

void tst_creation::qobject_10flat_cpp()

{

    QBENCHMARK {

        QObject *item = new TestType;

        new TestType(item);

        new TestType(item);

        new TestType(item);

        new TestType(item);

        new TestType(item);

        new TestType(item);

        new TestType(item);

        new TestType(item);

        new TestType(item);

        new TestType(item);

        delete item;

    }

}

void tst_creation::qobject_10tree_qml()

{

    QDeclarativeComponent component(&engine);

    component.setData("import Qt.test 1.0\nTestType { TestType{ TestType { TestType{ TestType{ TestType{ TestType{ TestType{ TestType{ TestType{ TestType{ } } } } } } } } } } }", QUrl());

    QObject *obj = component.create();

    delete obj;

    QBENCHMARK {

        QObject *obj = component.create();

        delete obj;

    }

}

void tst_creation::qobject_10tree_cpp()

{

    QBENCHMARK {

        QObject *item = new TestType;

        QObject *root = item;

        item = new TestType(item);

        item = new TestType(item);

        item = new TestType(item);

        item = new TestType(item);

        item = new TestType(item);

        item = new TestType(item);

        item = new TestType(item);

        item = new TestType(item);

        item = new TestType(item);

        item = new TestType(item);

        delete root;

    }

}

void tst_creation::qobject_qmltype()

{

    QDeclarativeType *t = QDeclarativeMetaType::qmlType("Qt/QtObject", 4, 7);

    QBENCHMARK {

        QObject *obj = t->create();

        delete obj;

    }

}

struct QObjectFakeData {

    char data[sizeof(QObjectPrivate)];

};

struct QObjectFake {

    QObjectFake();

    virtual ~QObjectFake();

private:

    QObjectFakeData *d;

};

QObjectFake::QObjectFake()

{

    d = new QObjectFakeData;

}

QObjectFake::~QObjectFake()

{

    delete d;

}

void tst_creation::qobject_alloc()

{

    QBENCHMARK {

        QObjectFake *obj = new QObjectFake;

        delete obj;

    }

}

struct QDeclarativeGraphics_DerivedObject : public QObject

{

    void setParent_noEvent(QObject *parent) {

        bool sce = d_ptr->sendChildEvents;

        d_ptr->sendChildEvents = false;

        setParent(parent);

        d_ptr->sendChildEvents = sce;

    }

};

inline void QDeclarativeGraphics_setParent_noEvent(QObject *object, QObject *parent)

{

    static_cast<QDeclarativeGraphics_DerivedObject *>(object)->setParent_noEvent(parent);

}

void tst_creation::itemtree_notree_cpp()

{

    QBENCHMARK {

        QDeclarativeItem *item = new QDeclarativeItem;

        for (int i = 0; i < 30; ++i) {

            QDeclarativeItem *child = new QDeclarativeItem;

        }

        delete item;

    }

}

void tst_creation::itemtree_objtree_cpp()

{

    QBENCHMARK {

        QDeclarativeItem *item = new QDeclarativeItem;

        for (int i = 0; i < 30; ++i) {

            QDeclarativeItem *child = new QDeclarativeItem;

            QDeclarativeGraphics_setParent_noEvent(child,item);

        }

        delete item;

    }

}

void tst_creation::itemtree_cpp()

{

    QBENCHMARK {

        QDeclarativeItem *item = new QDeclarativeItem;

        for (int i = 0; i < 30; ++i) {

            QDeclarativeItem *child = new QDeclarativeItem;

            QDeclarativeGraphics_setParent_noEvent(child,item);

            child->setParentItem(item);

        }

        delete item;

    }

}

void tst_creation::itemtree_data_cpp()

{

    QBENCHMARK {

        QDeclarativeItem *item = new QDeclarativeItem;

        for (int i = 0; i < 30; ++i) {

            QDeclarativeItem *child = new QDeclarativeItem;

            QDeclarativeGraphics_setParent_noEvent(child,item);

            QDeclarativeListReference ref(item, "data");

            ref.append(child);

        }

        delete item;

    }

}

void tst_creation::itemtree_qml()

{

    QDeclarativeComponent component(&engine, TEST_FILE("item.qml"));

    QObject *obj = component.create();

    delete obj;

    QBENCHMARK {

        QObject *obj = component.create();

        delete obj;

    }

}

void tst_creation::itemtree_scene_cpp()

{

    QGraphicsScene scene;

    QDeclarativeItem *root = new QDeclarativeItem;

    scene.addItem(root);

    QBENCHMARK {

        QDeclarativeItem *item = new QDeclarativeItem;

        for (int i = 0; i < 30; ++i) {

            QDeclarativeItem *child = new QDeclarativeItem;

            QDeclarativeGraphics_setParent_noEvent(child,item);

            child->setParentItem(item);

        }

        item->setParentItem(root);

        delete item;

    }

    delete root;

}

void tst_creation::elements_data()

{

    QTest::addColumn<QByteArray>("type");

    QList<QByteArray> types = QDeclarativeMetaType::qmlTypeNames();

    foreach (QByteArray type, types)

        QTest::newRow(type.constData()) << type;

}

void tst_creation::elements()

{

    QFETCH(QByteArray, type);

    QDeclarativeType *t = QDeclarativeMetaType::qmlType(type, 4, 7);

    if (!t || !t->isCreatable())

        QSKIP("Non-creatable type", SkipSingle);

    QBENCHMARK {

        QObject *obj = t->create();

        delete obj;

    }

}

QTEST_MAIN(tst_creation)

#include "tst_creation.moc"