tst_qparameter.cpp

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// Copyright (C) 2016 Klaralvdalens Datakonsult AB (KDAB).

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only

#include <QtTest/QTest>

#include <Qt3DRender/qparameter.h>

#include <Qt3DRender/private/qparameter_p.h>

#include <QObject>

#include <QSignalSpy>

#include <Qt3DCore/qentity.h>

#include "testarbiter.h"

class tst_QParameter : public QObject

    Q_OBJECT

private Q_SLOTS:

    void checkDefaultConstruction()

        // GIVEN

        Qt3DRender::QParameter parameter;

        // THEN

        QCOMPARE(parameter.name(), QString());

        QCOMPARE(parameter.value(), QVariant());

    void checkPropertyChanges()

        // GIVEN

        Qt3DRender::QParameter parameter;

            // WHEN

            QSignalSpy spy(&parameter, SIGNAL(nameChanged(QString)));

            const QString newValue = QStringLiteral("SomeName");

            parameter.setName(newValue);

            // THEN

            QVERIFY(spy.isValid());

            QCOMPARE(parameter.name(), newValue);

            QCOMPARE(spy.size(), 1);

            // WHEN

            spy.clear();

            parameter.setName(newValue);

            // THEN

            QCOMPARE(parameter.name(), newValue);

            QCOMPARE(spy.size(), 0);

            // WHEN

            QSignalSpy spy(&parameter, SIGNAL(valueChanged(QVariant)));

            const QVariant newValue(454.0f);

            parameter.setValue(newValue);

            // THEN

            QVERIFY(spy.isValid());

            QCOMPARE(parameter.value(), newValue);

            QCOMPARE(spy.size(), 1);

            // WHEN

            spy.clear();

            parameter.setValue(newValue);

            // THEN

            QCOMPARE(parameter.value(), newValue);

            QCOMPARE(spy.size(), 0);

    void checkNameUpdate()

        // GIVEN

        TestArbiter arbiter;

        Qt3DRender::QParameter parameter;

        arbiter.setArbiterOnNode(&parameter);

            // WHEN

            parameter.setName(QStringLiteral("Bruce"));

            QCoreApplication::processEvents();

            // THEN

            QCOMPARE(arbiter.dirtyNodes().size(), 1);

            QCOMPARE(arbiter.dirtyNodes().front(), &parameter);

            arbiter.clear();

            // WHEN

            parameter.setName(QStringLiteral("Bruce"));

            QCoreApplication::processEvents();

            // THEN

            QCOMPARE(arbiter.dirtyNodes().size(), 0);

    void checkValueUpdate()

        // GIVEN

        TestArbiter arbiter;

        Qt3DRender::QParameter parameter;

        arbiter.setArbiterOnNode(&parameter);

            // WHEN

            parameter.setValue(QVariant(383.0f));

            QCoreApplication::processEvents();

            // THEN

            QCOMPARE(arbiter.dirtyNodes().size(), 1);

            QCOMPARE(arbiter.dirtyNodes().front(), &parameter);

            arbiter.clear();

            // WHEN

            parameter.setValue(QVariant(383.0f));

            QCoreApplication::processEvents();

            // THEN

            QCOMPARE(arbiter.dirtyNodes().size(), 0);

        // WHEN -> QNode -> QNodeId

            Qt3DCore::QEntity testEntity;

                // WHEN

                parameter.setValue(QVariant::fromValue(&testEntity));

                QCoreApplication::processEvents();

                // THEN

                QCOMPARE(arbiter.dirtyNodes().size(), 1);

                QCOMPARE(arbiter.dirtyNodes().front(), &parameter);

                arbiter.clear();

                // WHEN

                parameter.setValue(QVariant::fromValue(&testEntity));

                QCoreApplication::processEvents();

                // THEN

                QCOMPARE(arbiter.dirtyNodes().size(), 0);

    void checkBookeeping()

        // GIVEN

        Qt3DRender::QParameter parameter;

        QSignalSpy spy(&parameter, SIGNAL(valueChanged(QVariant)));

            // WHEN

            QScopedPointer<Qt3DCore::QNode> node(new Qt3DCore::QNode());

            parameter.setValue(QVariant::fromValue(node.data()));

            // THEN

            QCOMPARE(spy.size(), 1);

            QCOMPARE(parameter.value(), QVariant::fromValue(node.data()));

            spy.clear();

        // THEN

        QCOMPARE(spy.size(), 1);

        QCOMPARE(parameter.value(), QVariant());

};

QTEST_MAIN(tst_QParameter)

#include "tst_qparameter.moc"