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/****************************************************************************
**
** Copyright (C) 2018 Klaralvdalens Datakonsult AB (KDAB).
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtTest/QTest>
#include <QtTest/QSignalSpy>
#include <Qt3DCore/private/qnode_p.h>
#include <Qt3DCore/private/qscene_p.h>
#include <Qt3DCore/qpropertynodeaddedchange.h>
#include <Qt3DCore/qpropertynoderemovedchange.h>
#include <Qt3DRender/QRayCaster>
#include <Qt3DRender/QLayer>
#include "testpostmanarbiter.h"
class MyRayCaster : public Qt3DRender::QRayCaster
{
Q_OBJECT
public:
MyRayCaster(Qt3DCore::QNode *parent = nullptr)
: Qt3DRender::QRayCaster(parent)
{
qRegisterMetaType<Qt3DRender::QAbstractRayCaster::Hits>("Hits");
}
void sceneChangeEvent(const Qt3DCore::QSceneChangePtr &change) final
{
Qt3DRender::QRayCaster::sceneChangeEvent(change);
}
private:
friend class tst_RayCaster;
};
// We need to call QNode::clone which is protected
// So we sublcass QNode instead of QObject
class tst_QRayCaster : public Qt3DCore::QNode
{
Q_OBJECT
public:
tst_QRayCaster()
{
}
~tst_QRayCaster()
{
QMetaObject::invokeMethod(this, "_q_cleanup", Qt::DirectConnection);
}
private Q_SLOTS:
void checkState()
{
// GIVEN
QScopedPointer<Qt3DRender::QRayCaster> rayCaster(new Qt3DRender::QRayCaster());
QVERIFY(!rayCaster->isEnabled());
QVERIFY(rayCaster->direction().length() > 0.);
QCOMPARE(rayCaster->runMode(), Qt3DRender::QAbstractRayCaster::SingleShot);
// WHEN
rayCaster->trigger();
// THEN
QVERIFY(rayCaster->isEnabled());
// WHEN
rayCaster->setEnabled(false);
rayCaster->trigger(QVector3D(1., 2., 3.), QVector3D(1., 0., 0.), 10.f);
// THEN
QVERIFY(rayCaster->isEnabled());
QCOMPARE(rayCaster->origin(), QVector3D(1., 2., 3.));
QCOMPARE(rayCaster->direction(), QVector3D(1., 0., 0.));
QCOMPARE(rayCaster->length(), 10.f);
}
void checkPropertyUpdates()
{
// GIVEN
TestArbiter arbiter;
QScopedPointer<Qt3DRender::QRayCaster> rayCaster(new Qt3DRender::QRayCaster());
arbiter.setArbiterOnNode(rayCaster.data());
// WHEN
rayCaster->setOrigin({1., 1., 1.});
QCoreApplication::processEvents();
// THEN
QCOMPARE(arbiter.events.size(), 1);
Qt3DCore::QPropertyUpdatedChangePtr change = arbiter.events.last().staticCast<Qt3DCore::QPropertyUpdatedChange>();
QCOMPARE(change->propertyName(), "origin");
QCOMPARE(change->value().value<QVector3D>(), QVector3D(1., 1., 1.));
QCOMPARE(change->type(), Qt3DCore::PropertyUpdated);
arbiter.events.clear();
// WHEN
auto layer = new Qt3DRender::QLayer(rayCaster.data());
QCoreApplication::processEvents();
rayCaster->addLayer(layer);
QCoreApplication::processEvents();
// THEN
QCOMPARE(arbiter.events.size(), 1);
auto addChange = arbiter.events.first().staticCast<Qt3DCore::QPropertyNodeAddedChange>();
QCOMPARE(addChange->propertyName(), "layer");
QCOMPARE(addChange->subjectId(), rayCaster->id());
QCOMPARE(addChange->addedNodeId(), rayCaster->layers().at(0)->id());
QCOMPARE(addChange->type(), Qt3DCore::PropertyValueAdded);
arbiter.events.clear();
// WHEN
layer = new Qt3DRender::QLayer(rayCaster.data());
QCoreApplication::processEvents();
rayCaster->addLayer(layer);
QCoreApplication::processEvents();
// THEN
QCOMPARE(arbiter.events.size(), 1);
addChange = arbiter.events.first().staticCast<Qt3DCore::QPropertyNodeAddedChange>();
QCOMPARE(addChange->propertyName(), "layer");
QCOMPARE(addChange->subjectId(), rayCaster->id());
QCOMPARE(addChange->addedNodeId(), rayCaster->layers().at(1)->id());
QCOMPARE(addChange->type(), Qt3DCore::PropertyValueAdded);
arbiter.events.clear();
// WHEN
layer = rayCaster->layers().at(0);
rayCaster->removeLayer(layer);
QCoreApplication::processEvents();
// THEN
QCOMPARE(arbiter.events.size(), 1);
auto removeChange = arbiter.events.first().staticCast<Qt3DCore::QPropertyNodeRemovedChange>();
QCOMPARE(removeChange->propertyName(), "layer");
QCOMPARE(removeChange->subjectId(), rayCaster->id());
QCOMPARE(removeChange->removedNodeId(), layer->id());
QCOMPARE(removeChange->type(), Qt3DCore::PropertyValueRemoved);
arbiter.events.clear();
}
void checkLayerBookkeeping()
{
// GIVEN
QScopedPointer<Qt3DRender::QRayCaster> rayCaster(new Qt3DRender::QRayCaster);
{
// WHEN
Qt3DRender::QLayer layer;
rayCaster->addLayer(&layer);
// THEN
QCOMPARE(layer.parent(), rayCaster.data());
QCOMPARE(rayCaster->layers().size(), 1);
}
// THEN (Should not crash and parameter be unset)
QVERIFY(rayCaster->layers().empty());
{
// WHEN
Qt3DRender::QRayCaster someOtherRayCaster;
QScopedPointer<Qt3DRender::QLayer> layer(new Qt3DRender::QLayer(&someOtherRayCaster));
rayCaster->addLayer(layer.data());
// THEN
QCOMPARE(layer->parent(), &someOtherRayCaster);
QCOMPARE(rayCaster->layers().size(), 1);
// WHEN
rayCaster.reset();
layer.reset();
// THEN Should not crash when the layer is destroyed (tests for failed removal of destruction helper)
}
}
void checkBackendUpdates_data()
{
QTest::addColumn<QByteArray>("signalPrototype");
QTest::addColumn<QByteArray>("propertyName");
QTest::newRow("hits")
<< QByteArray(SIGNAL(hitsChanged(const Hits &)))
<< QByteArrayLiteral("hits");
}
void checkBackendUpdates()
{
// GIVEN
QFETCH(QByteArray, signalPrototype);
QFETCH(QByteArray, propertyName);
QScopedPointer<MyRayCaster> rayCaster(new MyRayCaster());
QSignalSpy spy(rayCaster.data(), signalPrototype.constData());
Qt3DRender::QRayCaster::Hits hits;
// WHEN
// Create Backend Change and distribute it to frontend node
Qt3DCore::QPropertyUpdatedChangePtr e(new Qt3DCore::QPropertyUpdatedChange(rayCaster->id()));
e->setPropertyName(propertyName.constData());
QVariant v;
v.setValue<Qt3DRender::QRayCaster::Hits>(hits);
e->setValue(v);
rayCaster->sceneChangeEvent(e);
// THEN
// Check that the QRayCaster triggers the expected signal
QCOMPARE(spy.count(), 1);
}
};
QTEST_MAIN(tst_QRayCaster)
#include "tst_qraycaster.moc"
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