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** This file is part of the test suite of the Qt Toolkit.
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#include <qtest.h>
#include <QtDeclarative/qdeclarativecomponent.h>
#include <QtDeclarative/qdeclarativeengine.h>
#include <QtDeclarative/qdeclarativeitem.h>
#include <QtWidgets/qgraphicsview.h>
#include <QtWidgets/qgraphicsscene.h>
#include <QtWidgets/qapplication.h>
#include <QtGui/qpa/qwindowsysteminterface.h>

class tst_qdeclarativeapplication : public QObject
{
    Q_OBJECT
public:
    tst_qdeclarativeapplication();

private slots:
    void active();
    void layoutDirection();

private:
    QDeclarativeEngine engine;
};

tst_qdeclarativeapplication::tst_qdeclarativeapplication()
{
}

void tst_qdeclarativeapplication::active()
{
    QDeclarativeComponent component(&engine);
    component.setData("import QtQuick 1.0; Item { property bool active: Qt.application.active }", QUrl::fromLocalFile(""));
    QDeclarativeItem *item = qobject_cast<QDeclarativeItem *>(component.create());
    QVERIFY(item);
    QGraphicsScene scene;
    QGraphicsView view(&scene);
    scene.addItem(item);

    // not active
    QVERIFY(!item->property("active").toBool());
    QCOMPARE(item->property("active").toBool(), QApplication::activeWindow() != 0);

    // active
    view.show();
    QApplication::setActiveWindow(&view);
    QVERIFY(QTest::qWaitForWindowActive(&view));
    QCOMPARE(QApplication::activeWindow(), static_cast<QWidget *>(&view));
    QCOMPARE(item->property("active").toBool(), QApplication::activeWindow() != 0);

    QWindowSystemInterface::handleWindowActivated(0);

#ifdef Q_OS_OSX
    // OS X has the concept of "reactivation"
    QTRY_VERIFY(item->property("active").toBool());
#else
    // not active again
    QTRY_VERIFY(!item->property("active").toBool());
#endif
}

void tst_qdeclarativeapplication::layoutDirection()
{
    QDeclarativeComponent component(&engine);
    component.setData("import QtQuick 1.0; Item { property bool layoutDirection: Qt.application.layoutDirection }", QUrl::fromLocalFile(""));
    QDeclarativeItem *item = qobject_cast<QDeclarativeItem *>(component.create());
    QVERIFY(item);
    QGraphicsScene scene;
    QGraphicsView view(&scene);
    scene.addItem(item);

    // not mirrored
    QCOMPARE(Qt::LayoutDirection(item->property("layoutDirection").toInt()), Qt::LeftToRight);

    // mirrored
    QApplication::setLayoutDirection(Qt::RightToLeft);
    QCOMPARE(Qt::LayoutDirection(item->property("layoutDirection").toInt()), Qt::RightToLeft);

    // not mirrored again
    QApplication::setLayoutDirection(Qt::LeftToRight);
    QCOMPARE(Qt::LayoutDirection(item->property("layoutDirection").toInt()), Qt::LeftToRight);
}

QTEST_MAIN(tst_qdeclarativeapplication)

#include "tst_qdeclarativeapplication.moc"