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// Copyright (C) 2015 Klaralvdalens Datakonsult AB (KDAB).
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only

#include <QtTest/QTest>
#include <Qt3DCore/qarmature.h>
#include <Qt3DCore/private/qarmature_p.h>
#include <Qt3DCore/qskeleton.h>

#include <Qt3DCore/private/qnode_p.h>
#include <Qt3DCore/private/qscene_p.h>
#include <testarbiter.h>

using namespace Qt3DCore;

class tst_QArmature: public QObject
{
    Q_OBJECT
public:
    tst_QArmature()
    {
        qRegisterMetaType<Qt3DCore::QAbstractSkeleton*>();
    }

private Q_SLOTS:

    void checkPropertyUpdates()
    {
        // GIVEN
        TestArbiter arbiter;
        QScopedPointer<QArmature> armature(new QArmature());
        arbiter.setArbiterOnNode(armature.data());

        // WHEN
        QSkeleton *skeleton = new QSkeleton(armature.data());
        armature->setSkeleton(skeleton);

        // THEN
        QCOMPARE(arbiter.dirtyNodes().size(), 1);
        QCOMPARE(arbiter.dirtyNodes().front(), armature.data());

        arbiter.clear();

        // WHEN
        armature->setSkeleton(nullptr);

        // THEN
        QCOMPARE(arbiter.dirtyNodes().size(), 1);
        QCOMPARE(arbiter.dirtyNodes().front(), armature.data());

        arbiter.clear();
    }

    void checkSkeletonBookkeeping()
    {
        // GIVEN
        QScopedPointer<QArmature> armature(new QArmature);
        {
            // WHEN
            QSkeleton skeleton;
            armature->setSkeleton(&skeleton);

            // THEN
            QCOMPARE(skeleton.parent(), armature.data());
            QCOMPARE(armature->skeleton(), &skeleton);
        }
        // THEN (Should not crash and parameter be unset)
        QVERIFY(armature->skeleton() == nullptr);

        {
            // WHEN
            QArmature someOtherArmature;
            QScopedPointer<QSkeleton> skeleton(new QSkeleton(&someOtherArmature));
            armature->setSkeleton(skeleton.data());

            // THEN
            QCOMPARE(skeleton->parent(), &someOtherArmature);
            QCOMPARE(armature->skeleton(), skeleton.data());

            // WHEN
            armature.reset();
            skeleton.reset();

            // THEN Should not crash when the joint is destroyed (tests for failed removal of destruction helper)
        }
    }
};

QTEST_MAIN(tst_QArmature)

#include "tst_qarmature.moc"