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#include <qtest.h>

#include <QGraphicsItem>

#include <QGraphicsScene>

#include <QGraphicsView>

//TESTED_FILES=

class tst_QGraphicsScene : public QObject

{

    Q_OBJECT

public:

    tst_QGraphicsScene();

    virtual ~tst_QGraphicsScene();

public slots:

    void init();

    void cleanup();

private slots:

    void construct();

    void addItem_data();

    void addItem();

    void itemAt_data();

    void itemAt();

    void initialShow();

};

tst_QGraphicsScene::tst_QGraphicsScene()

{

}

tst_QGraphicsScene::~tst_QGraphicsScene()

{

}

static inline void processEvents()

{

    QApplication::flush();

    QApplication::processEvents();

    QApplication::processEvents();

}

void tst_QGraphicsScene::init()

{

    processEvents();

}

void tst_QGraphicsScene::cleanup()

{

}

void tst_QGraphicsScene::construct()

{

    QBENCHMARK {

        QGraphicsScene scene;

    }

}

void tst_QGraphicsScene::addItem_data()

{

    QTest::addColumn<int>("indexMethod");

    QTest::addColumn<QRectF>("sceneRect");

    QTest::addColumn<int>("numItems_X");

    QTest::addColumn<int>("numItems_Y");

    QTest::addColumn<int>("itemType");

    QTest::addColumn<QRectF>("itemRect");

    QTest::newRow("null") << 0 << QRectF() << 0 << 0 << 0 << QRectF();

    QTest::newRow("0 QRectF() 10 x  10 QGraphicsRectItem (0,0,10,10)") << 0 << QRectF() << 10 << 10 << int(QGraphicsRectItem::Type) << QRectF(0, 0, 10, 10);

    QTest::newRow("0 QRectF() 25 x  25 QGraphicsRectItem (0,0,10,10)") << 0 << QRectF() << 25 << 25 << int(QGraphicsRectItem::Type) << QRectF(0, 0, 10, 10);

    QTest::newRow("0 QRectF() 100 x 100 QGraphicsRectItem (0,0,10,10)") << 0 << QRectF() << 100 << 100 << int(QGraphicsRectItem::Type) << QRectF(0, 0, 10, 10);

    QTest::newRow("0 QRectF() 250 x 250 QGraphicsRectItem (0,0,10,10)") << 0 << QRectF() << 250 << 250 << int(QGraphicsRectItem::Type) << QRectF(0, 0, 10, 10);

    QTest::newRow("0 QRectF()  10 x  10 QGraphicsEllipseItem (0,0,10,10)") << 0 << QRectF() << 10 << 10 << int(QGraphicsEllipseItem::Type) << QRectF(0, 0, 10, 10);

    QTest::newRow("0 QRectF()  25 x  25 QGraphicsEllipseItem (0,0,10,10)") << 0 << QRectF() << 25 << 25 << int(QGraphicsEllipseItem::Type) << QRectF(0, 0, 10, 10);

    QTest::newRow("0 QRectF() 100 x 100 QGraphicsEllipseItem (0,0,10,0)") << 0 << QRectF() << 100 << 100 << int(QGraphicsEllipseItem::Type) << QRectF(0, 0, 10, 10);

    QTest::newRow("0 QRectF() 250 x 250 QGraphicsEllipseItem (0,0,10,10)") << 0 << QRectF() << 250 << 250 << int(QGraphicsEllipseItem::Type) << QRectF(0, 0, 10, 10);

    QTest::newRow("0 QRectF()  10 x  10 QGraphicsRectItem (0,0,10,10)") << 0 << QRectF(0, 0, 100, 100) << 10 << 10 << int(QGraphicsRectItem::Type) << QRectF(0, 0, 10, 10);

    QTest::newRow("0 QRectF()  25 x  25 QGraphicsRectItem (0,0,10,10)") << 0 << QRectF(0, 0, 250, 250) << 25 << 25 << int(QGraphicsRectItem::Type) << QRectF(0, 0, 10, 10);

    QTest::newRow("0 QRectF() 100 x 100 QGraphicsRectItem (0,0,10,10)") << 0 << QRectF(0, 0, 1000, 1000) << 100 << 100 << int(QGraphicsRectItem::Type) << QRectF(0, 0, 10, 10);

    QTest::newRow("0 QRectF() 250 x 250 QGraphicsRectItem (0,0,10,10)") << 0 << QRectF(0, 0, 2500, 2500) << 250 << 250 << int(QGraphicsRectItem::Type) << QRectF(0, 0, 10, 10);

    QTest::newRow("0 QRectF()  10 x  10 QGraphicsEllipseItem (0,0,10,10)") << 0 << QRectF(0, 0, 100, 100) << 10 << 10 << int(QGraphicsEllipseItem::Type) << QRectF(0, 0, 10, 10);

    QTest::newRow("0 QRectF()  25 x  25 QGraphicsEllipseItem (0,0,10,10)") << 0 << QRectF(0, 0, 250, 250) << 25 << 25 << int(QGraphicsEllipseItem::Type) << QRectF(0, 0, 10, 10);

    QTest::newRow("0 QRectF() 100 x 100 QGraphicsEllipseItem (0,0,10,10)") << 0 << QRectF(0, 0, 1000, 1000) << 100 << 100 << int(QGraphicsEllipseItem::Type) << QRectF(0, 0, 10, 10);

    QTest::newRow("0 QRectF() 250 x 250 QGraphicsEllipseItem (0,0,10,10)") << 0 << QRectF(0, 0, 2500, 2500) << 250 << 250 << int(QGraphicsEllipseItem::Type) << QRectF(0, 0, 10, 10);

    QTest::newRow("1 QRectF() 10 x  10 QGraphicsRectItem (0,0,10,10)") << 1 << QRectF() << 10 << 10 << int(QGraphicsRectItem::Type) << QRectF(0, 0, 10, 10);

    QTest::newRow("1 QRectF()  25 x  25 QGraphicsRectItem (0,0,10,10)") << 1 << QRectF() << 25 << 25 << int(QGraphicsRectItem::Type) << QRectF(0, 0, 10, 10);

    QTest::newRow("1 QRectF() 100 x 100 QGraphicsRectItem (0,0,10,10)") << 1 << QRectF() << 100 << 100 << int(QGraphicsRectItem::Type) << QRectF(0, 0, 10, 10);

    QTest::newRow("1 QRectF() 250 x 250 QGraphicsRectItem (0,0,10,10)") << 1 << QRectF() << 250 << 250 << int(QGraphicsRectItem::Type) << QRectF(0, 0, 10, 10);

    QTest::newRow("1 QRectF()  10 x  10 QGraphicsEllipseItem (0,0,10,10)") << 1 << QRectF() << 10 << 10 << int(QGraphicsEllipseItem::Type) << QRectF(0, 0, 10, 10);

    QTest::newRow("1 QRectF()  25 x  25 QGraphicsEllipseItem (0,0,10,10)") << 1 << QRectF() << 25 << 25 << int(QGraphicsEllipseItem::Type) << QRectF(0, 0, 10, 10);

    QTest::newRow("1 QRectF() 100 x 100 QGraphicsEllipseItem (0,0,10,10)") << 1 << QRectF() << 100 << 100 << int(QGraphicsEllipseItem::Type) << QRectF(0, 0, 10, 10);

    QTest::newRow("1 QRectF() 250 x 250 QGraphicsEllipseItem (0,0,10,10)") << 1 << QRectF() << 250 << 250 << int(QGraphicsEllipseItem::Type) << QRectF(0, 0, 10, 10);

    QTest::newRow("1 QRectF()  10 x  10 QGraphicsRectItem (0,0,10,10)") << 1 << QRectF(0, 0, 100, 100) << 10 << 10 << int(QGraphicsRectItem::Type) << QRectF(0, 0, 10, 10);

    QTest::newRow("1 QRectF()  25 x  25 QGraphicsRectItem (0,0,10,10)") << 1 << QRectF(0, 0, 250, 250) << 25 << 25 << int(QGraphicsRectItem::Type) << QRectF(0, 0, 10, 10);

    QTest::newRow("1 QRectF() 100 x 100 QGraphicsRectItem (0,0,10,10)") << 1 << QRectF(0, 0, 1000, 1000) << 100 << 100 << int(QGraphicsRectItem::Type) << QRectF(0, 0, 10, 10);

    QTest::newRow("1 QRectF() 250 x 250 QGraphicsRectItem (0,0,10,10)") << 1 << QRectF(0, 0, 2500, 2500) << 250 << 250 << int(QGraphicsRectItem::Type) << QRectF(0, 0, 10, 10);

    QTest::newRow("1 QRectF()  10 x  10 QGraphicsEllipseItem (0,0,10,10)") << 1 << QRectF(0, 0, 100, 100) << 10 << 10 << int(QGraphicsEllipseItem::Type) << QRectF(0, 0, 10, 10);

    QTest::newRow("1 QRectF()  25 x  25 QGraphicsEllipseItem (0,0,10,10)") << 1 << QRectF(0, 0, 250, 250) << 25 << 25 << int(QGraphicsEllipseItem::Type) << QRectF(0, 0, 10, 10);

    QTest::newRow("1 QRectF() 100 x 100 QGraphicsEllipseItem (0,0,10,10)") << 1 << QRectF(0, 0, 1000, 1000) << 100 << 100 << int(QGraphicsEllipseItem::Type) << QRectF(0, 0, 10, 10);

    QTest::newRow("1 QRectF() 250 x 250 QGraphicsEllipseItem (0,0,10,10)") << 1 << QRectF(0, 0, 2500, 2500) << 250 << 250 << int(QGraphicsEllipseItem::Type) << QRectF(0, 0, 10, 10);

}

void tst_QGraphicsScene::addItem()

{

    QFETCH(int, indexMethod);

    QFETCH(QRectF, sceneRect);

    QFETCH(int, numItems_X);

    QFETCH(int, numItems_Y);

    QFETCH(int, itemType);

    QFETCH(QRectF, itemRect);

    QGraphicsScene scene;

    scene.setItemIndexMethod(indexMethod ? QGraphicsScene::BspTreeIndex : QGraphicsScene::NoIndex);

    if (!sceneRect.isNull())

        scene.setSceneRect(sceneRect);

    processEvents();

    QBENCHMARK {

        QGraphicsItem *item = 0;

        for (int y = 0; y < numItems_Y; ++y) {

            for (int x = 0; x < numItems_X; ++x) {

                switch (itemType) {

                case QGraphicsRectItem::Type:

                    item = new QGraphicsRectItem(itemRect);

                    break;

                case QGraphicsEllipseItem::Type:

                default:

                    item = new QGraphicsEllipseItem(itemRect);

                    break;

                }

                item->setPos(x * itemRect.width(), y * itemRect.height());

                scene.addItem(item);

            }

        }

        scene.itemAt(0, 0);

    }

    //let QGraphicsScene::_q_polishItems be called so ~QGraphicsItem doesn't spend all his time cleaning the unpolished list

    qApp->processEvents();

}

void tst_QGraphicsScene::itemAt_data()

{

    QTest::addColumn<int>("bspTreeDepth");

    QTest::addColumn<QRectF>("sceneRect");

    QTest::addColumn<int>("numItems_X");

    QTest::addColumn<int>("numItems_Y");

    QTest::addColumn<QRectF>("itemRect");

    QTest::newRow("null") << 0 << QRectF() << 0 << 0 << QRectF();

    QTest::newRow("NoIndex 10x10") << -1 << QRectF() << 10 << 10 << QRectF(-10, -10, 20, 20);

    QTest::newRow("NoIndex 25x25") << -1 << QRectF() << 25 << 25 << QRectF(-10, -10, 20, 20);

    QTest::newRow("NoIndex 100x100") << -1 << QRectF() << 100 << 100 << QRectF(-10, -10, 20, 20);

    QTest::newRow("NoIndex 250x250") << -1 << QRectF() << 250 << 250 << QRectF(-10, -10, 20, 20);

    QTest::newRow("BspTreeIndex depth=auto 10x10") << 0 << QRectF() << 10 << 10 << QRectF(-10, -10, 20, 20);

    QTest::newRow("BspTreeIndex depth=auto 25x25") << 0 << QRectF() << 25 << 25 << QRectF(-10, -10, 20, 20);

    QTest::newRow("BspTreeIndex depth=auto 100x100") << 0 << QRectF() << 100 << 100 << QRectF(-10, -10, 20, 20);

    QTest::newRow("BspTreeIndex depth=auto 250x250") << 0 << QRectF() << 250 << 250 << QRectF(-10, -10, 20, 20);

    QTest::newRow("BspTreeIndex depth=16 10x10") << 16 << QRectF() << 10 << 10 << QRectF(-10, -10, 20, 20);

    QTest::newRow("BspTreeIndex depth=16 25x25") << 16 << QRectF() << 25 << 25 << QRectF(-10, -10, 20, 20);

    QTest::newRow("BspTreeIndex depth=16 100x100") << 16 << QRectF() << 100 << 100 << QRectF(-10, -10, 20, 20);

    QTest::newRow("BspTreeIndex depth=16 250x250") << 16 << QRectF() << 250 << 250 << QRectF(-10, -10, 20, 20);

}

void tst_QGraphicsScene::itemAt()

{

    QFETCH(int, bspTreeDepth);

    QFETCH(QRectF, sceneRect);

    QFETCH(int, numItems_X);

    QFETCH(int, numItems_Y);

    QFETCH(QRectF, itemRect);

    QGraphicsScene scene;

    scene.setItemIndexMethod(bspTreeDepth >= 0 ? QGraphicsScene::BspTreeIndex : QGraphicsScene::NoIndex);

    if (bspTreeDepth > 0)

        scene.setBspTreeDepth(bspTreeDepth);

    if (!sceneRect.isNull())

        scene.setSceneRect(sceneRect);

    for (int y = 0; y < numItems_Y; ++y) {

        for (int x = 0; x < numItems_X; ++x) {

            QGraphicsRectItem *item = new QGraphicsRectItem(itemRect);

            item->setPos((x - numItems_X/2) * itemRect.width(), (y - numItems_Y/2) * itemRect.height());

            scene.addItem(item);

        }

    }

    scene.itemAt(0, 0); // triggers indexing

    processEvents();

    QGraphicsItem *item = 0;

    QBENCHMARK {

        item = scene.itemAt(0, 0);

    }

    //let QGraphicsScene::_q_polishItems be called so ~QGraphicsItem doesn't spend all his time cleaning the unpolished list

    qApp->processEvents();

}

void tst_QGraphicsScene::initialShow()

{

    QGraphicsScene scene;

    QBENCHMARK {

        for (int y = 0; y < 30000; ++y) {

            QGraphicsRectItem *item = new QGraphicsRectItem(0, 0, 50, 50);

            item->setPos((y/2) * item->rect().width(), (y/2) * item->rect().height());

            scene.addItem(item);

        }

        scene.itemAt(0, 0); // triggers indexing

        //This call polish the items so we bench their processing too.

        qApp->processEvents();

    }

}

QTEST_MAIN(tst_QGraphicsScene)

#include "tst_qgraphicsscene.moc"