tst_aspects_startup_shutdown.cpp

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// Copyright (C) 2018 Klaralvdalens Datakonsult AB (KDAB).

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

#include <QtTest/QTest>

#include <Qt3DCore/QEntity>

#include <Qt3DCore/QTransform>

#include <Qt3DCore/QAspectEngine>

#include <Qt3DInput/QInputAspect>

#include <Qt3DInput/QInputSettings>

#include <Qt3DLogic/QLogicAspect>

#include <Qt3DRender/QCamera>

#include <Qt3DRender/QCameraLens>

#include <Qt3DRender/QRenderAspect>

#include <Qt3DRender/QRenderSettings>

#include <Qt3DRender/QGeometryRenderer>

#include <Qt3DExtras/QForwardRenderer>

#include <Qt3DExtras/Qt3DWindow>

#include <Qt3DExtras/QPhongMaterial>

#include <Qt3DExtras/QSphereMesh>

#include <Qt3DExtras/QTorusMesh>

#include <QtGui/qquaternion.h>

#include <QPropertyAnimation>

#include <QThread>

namespace {

Qt3DCore::QEntity *createScene(QWindow *w)

    // Root entity

    Qt3DCore::QEntity *rootEntity = new Qt3DCore::QEntity;

    // Camera

    Qt3DRender::QCamera *camera = new Qt3DRender::QCamera(rootEntity);

    camera->lens()->setPerspectiveProjection(45.0f, 16.0f/9.0f, 0.1f, 1000.0f);

    camera->setPosition(QVector3D(0, 0, 40.0f));

    camera->setViewCenter(QVector3D(0, 0, 0));

    // FrameGraph

    Qt3DRender::QRenderSettings *renderSettings = new Qt3DRender::QRenderSettings();

    Qt3DExtras::QForwardRenderer *forwardRenderer = new Qt3DExtras::QForwardRenderer();

    forwardRenderer->setSurface(w);

    forwardRenderer->setCamera(camera);

    forwardRenderer->setClearColor(QColor(Qt::blue));

    renderSettings->setActiveFrameGraph(forwardRenderer);

    rootEntity->addComponent(renderSettings);

    // InputSettings

    Qt3DInput::QInputSettings *inputSettigns = new Qt3DInput::QInputSettings();

    rootEntity->addComponent(inputSettigns);

    // Material

    Qt3DRender::QMaterial *material = new Qt3DExtras::QPhongMaterial(rootEntity);

    // Torus

    Qt3DCore::QEntity *torusEntity = new Qt3DCore::QEntity(rootEntity);

    Qt3DExtras::QTorusMesh *torusMesh = new Qt3DExtras::QTorusMesh;

    torusMesh->setRadius(5);

    torusMesh->setMinorRadius(1);

    torusMesh->setRings(100);

    torusMesh->setSlices(20);

    Qt3DCore::QTransform *torusTransform = new Qt3DCore::QTransform;

    torusTransform->setScale3D(QVector3D(1.5, 1, 0.5));

    torusTransform->setRotation(QQuaternion::fromAxisAndAngle(QVector3D(1, 0, 0), 45.0f));

    torusEntity->addComponent(torusMesh);

    torusEntity->addComponent(torusTransform);

    torusEntity->addComponent(material);

    // Sphere

    Qt3DCore::QEntity *sphereEntity = new Qt3DCore::QEntity(rootEntity);

    Qt3DExtras::QSphereMesh *sphereMesh = new Qt3DExtras::QSphereMesh;

    sphereMesh->setRadius(3);

    Qt3DCore::QTransform *sphereTransform = new Qt3DCore::QTransform;

    sphereEntity->addComponent(sphereMesh);

    sphereEntity->addComponent(sphereTransform);

    sphereEntity->addComponent(material);

    return rootEntity;

} // anonymous

class tst_AspectsStartupShutdown : public QObject

    Q_OBJECT

public:

private slots:

    void checkStartupAndShutdownImmediately()

        QSKIP("Fails on CI for some unexplained reason");

        // GIVEN

        QWindow *win = new QWindow();

        win->setSurfaceType(QSurface::OpenGLSurface);

        win->resize(1024, 768);

        win->show();

        // WHEN

        Qt3DCore::QAspectEngine *engine = new Qt3DCore::QAspectEngine();

        engine->registerAspect(new Qt3DRender::QRenderAspect());

        engine->registerAspect(new Qt3DInput::QInputAspect());

        engine->registerAspect(new Qt3DLogic::QLogicAspect());

        QPointer<Qt3DCore::QEntity> scene = createScene(win);

        engine->setRootEntity(Qt3DCore::QEntityPtr(scene.data()));

        // THEN

        QCOMPARE(engine->rootEntity().data(), scene.data());

        // WHEN

        win->close();

        delete engine;

        // THEN -> shouldn't crash or deadlock

        delete win;

    void checkStartupAndShutdownAfterAFewFrames()

        QSKIP("Fails on CI for some unexplained reason");

        // GIVEN

        QWindow *win = new QWindow();

        win->setSurfaceType(QSurface::OpenGLSurface);

        win->resize(1024, 768);

        win->show();

        // WHEN

        Qt3DCore::QAspectEngine *engine = new Qt3DCore::QAspectEngine();

        engine->registerAspect(new Qt3DRender::QRenderAspect());

        engine->registerAspect(new Qt3DInput::QInputAspect());

        engine->registerAspect(new Qt3DLogic::QLogicAspect());

        QPointer<Qt3DCore::QEntity> scene = createScene(win);

        engine->setRootEntity(Qt3DCore::QEntityPtr(scene.data()));

        // THEN

        QCOMPARE(engine->rootEntity().data(), scene.data());

        // Allow a few frames

        for (int i = 0; i < 10; ++i) {

            QCoreApplication::processEvents();

            QThread::msleep(16);

        // WHEN

        // Right now we need to close the window before destroying

        // the engine to prevent the render thread from trying to render

        // while things are being destroyed

        win->close();

        delete engine;

        // THEN -> shouldn't crash or deadlock

        delete win;

};

QTEST_MAIN(tst_AspectsStartupShutdown)

#include "tst_aspects_startup_shutdown.moc"