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// Copyright (C) 2018 Klaralvdalens Datakonsult AB (KDAB).
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include <QtTest/QTest>
#include <QtTest/QSignalSpy>
#include <Qt3DCore/private/qnode_p.h>
#include <Qt3DCore/private/qscene_p.h>
#include <Qt3DRender/QRayCaster>
#include <Qt3DRender/private/qabstractraycaster_p.h>
#include <Qt3DRender/QLayer>
#include "testarbiter.h"
class MyRayCaster : public Qt3DRender::QRayCaster
{
Q_OBJECT
public:
MyRayCaster(Qt3DCore::QNode *parent = nullptr)
: Qt3DRender::QRayCaster(parent)
{
qRegisterMetaType<Qt3DRender::QAbstractRayCaster::Hits>("Hits");
}
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.f);
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.dirtyNodes().size(), 1);
QCOMPARE(arbiter.dirtyNodes().front(), rayCaster.data());
arbiter.clear();
// WHEN
auto layer = new Qt3DRender::QLayer(rayCaster.data());
QCoreApplication::processEvents();
rayCaster->addLayer(layer);
QCoreApplication::processEvents();
// THEN
QCOMPARE(arbiter.dirtyNodes().size(), 1);
arbiter.clear();
// WHEN
layer = new Qt3DRender::QLayer(rayCaster.data());
QCoreApplication::processEvents();
rayCaster->addLayer(layer);
QCoreApplication::processEvents();
// THEN
QCOMPARE(arbiter.dirtyNodes().size(), 1);
arbiter.clear();
// WHEN
layer = rayCaster->layers().at(0);
rayCaster->removeLayer(layer);
QCoreApplication::processEvents();
// THEN
QCOMPARE(arbiter.dirtyNodes().size(), 1);
arbiter.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()
{
// GIVEN
QScopedPointer<MyRayCaster> rayCaster(new MyRayCaster());
QSignalSpy spy(rayCaster.data(), SIGNAL(hitsChanged(const Hits &)));
Qt3DRender::QRayCaster::Hits hits;
QVERIFY(spy.isValid());
// WHEN
Qt3DRender::QAbstractRayCasterPrivate *d = Qt3DRender::QAbstractRayCasterPrivate::get(rayCaster.data());
d->dispatchHits(hits);
// THEN
// Check that the QRayCaster triggers the expected signal
QCOMPARE(spy.size(), 1);
}
};
QTEST_MAIN(tst_QRayCaster)
#include "tst_qraycaster.moc"
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