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** Copyright (C) 2015 Klaralvdalens Datakonsult AB (KDAB).
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#include <QtTest/QTest>
#include <Qt3DCore/private/qnode_p.h>
#include <Qt3DCore/private/qscene_p.h>
#include <Qt3DCore/qentity.h>
#include <Qt3DCore/qpropertyvalueaddedchange.h>
#include <Qt3DCore/qpropertyvalueremovedchange.h>
#include <Qt3DCore/private/qnodecreatedchangegenerator_p.h>

#include <Qt3DRender/qsortpolicy.h>
#include <Qt3DRender/private/qsortpolicy_p.h>

#include "testpostmanarbiter.h"

// We need to call QNode::clone which is protected
// So we sublcass QNode instead of QObject
class tst_QSortPolicy: public Qt3DCore::QNode
{
    Q_OBJECT

private Q_SLOTS:

    void checkSaneDefaults()
    {
        QScopedPointer<Qt3DRender::QSortPolicy> defaultsortPolicy(new Qt3DRender::QSortPolicy);

        QVERIFY(defaultsortPolicy->sortTypes().isEmpty());
    }

    void checkCloning_data()
    {
        QTest::addColumn<Qt3DRender::QSortPolicy *>("sortPolicy");
        QTest::addColumn<QVector<Qt3DRender::QSortPolicy::SortType> >("sortTypes");

        Qt3DRender::QSortPolicy *defaultConstructed = new Qt3DRender::QSortPolicy();
        QTest::newRow("defaultConstructed") << defaultConstructed << QVector<Qt3DRender::QSortPolicy::SortType>();

        Qt3DRender::QSortPolicy *sortPolicyWithSortTypes = new Qt3DRender::QSortPolicy();
        auto sortTypes = QVector<Qt3DRender::QSortPolicy::SortType>() << Qt3DRender::QSortPolicy::BackToFront
                                                                      << Qt3DRender::QSortPolicy::Material
                                                                      << Qt3DRender::QSortPolicy::FrontToBack;
        sortPolicyWithSortTypes->setSortTypes(sortTypes);
        QTest::newRow("sortPolicyWithSortTypes") << sortPolicyWithSortTypes << sortTypes ;
    }

    void checkCloning()
    {
        // GIVEN
        QFETCH(Qt3DRender::QSortPolicy*, sortPolicy);
        QFETCH(QVector<Qt3DRender::QSortPolicy::SortType>, sortTypes);

        // THEN
        QCOMPARE(sortPolicy->sortTypes(), sortTypes);

        // WHEN
        Qt3DCore::QNodeCreatedChangeGenerator creationChangeGenerator(sortPolicy);
        QVector<Qt3DCore::QNodeCreatedChangeBasePtr> creationChanges = creationChangeGenerator.creationChanges();

        // THEN
        QCOMPARE(creationChanges.size(), 1);

        const Qt3DCore::QNodeCreatedChangePtr<Qt3DRender::QSortPolicyData> creationChangeData =
                qSharedPointerCast<Qt3DCore::QNodeCreatedChange<Qt3DRender::QSortPolicyData>>(creationChanges.first());
        const Qt3DRender::QSortPolicyData &cloneData = creationChangeData->data;

        QCOMPARE(sortPolicy->id(), creationChangeData->subjectId());
        QCOMPARE(sortPolicy->isEnabled(), creationChangeData->isNodeEnabled());
        QCOMPARE(sortPolicy->metaObject(), creationChangeData->metaObject());
        QCOMPARE(sortPolicy->sortTypes().count(), cloneData.sortTypes.count());
        QCOMPARE(sortPolicy->sortTypes(), cloneData.sortTypes);

        delete sortPolicy;
    }

    void checkPropertyUpdates()
    {
        // GIVEN
        TestArbiter arbiter;
        QScopedPointer<Qt3DRender::QSortPolicy> sortPolicy(new Qt3DRender::QSortPolicy());
        arbiter.setArbiterOnNode(sortPolicy.data());

        // WHEN
        auto sortTypes = QVector<Qt3DRender::QSortPolicy::SortType>() << Qt3DRender::QSortPolicy::BackToFront
                                                                      << Qt3DRender::QSortPolicy::Material
                                                                      << Qt3DRender::QSortPolicy::Material
                                                                      << Qt3DRender::QSortPolicy::FrontToBack;
        auto sortTypesInt = QVector<int>();
        transformVector(sortTypes, sortTypesInt);
        sortPolicy->setSortTypes(sortTypes);
        QCoreApplication::processEvents();

        // THEN
        QCOMPARE(arbiter.events.size(), 1);
        Qt3DCore::QPropertyUpdatedChangePtr change = arbiter.events.first().staticCast<Qt3DCore::QPropertyUpdatedChange>();
        QCOMPARE(change->propertyName(), "sortTypes");
        QCOMPARE(change->value().value<QVector<int>>(), sortTypesInt);
        QCOMPARE(change->type(), Qt3DCore::PropertyUpdated);

        arbiter.events.clear();
    }
};

QTEST_MAIN(tst_QSortPolicy)

#include "tst_qsortpolicy.moc"
