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// Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include <QtTest/QTest>
#include <Qt3DCore/qentity.h>
#include <Qt3DCore/private/qentity_p.h>
#include <Qt3DCore/qcomponent.h>
#include <QtCore/qscopedpointer.h>
using namespace Qt3DCore;
class tst_Entity : public QObject
{
Q_OBJECT
public:
tst_Entity() : QObject()
{
qRegisterMetaType<Qt3DCore::QNode*>();
}
~tst_Entity() {}
private slots:
void constructionDestruction();
void addComponentSingleParentSingleAggregation();
void addComponentSingleParentSeveralAggregations();
void addComponentsSeveralParentsSingleAggregations();
void addComponentsSeveralParentsSeveralAggregations();
void retrieveSingleComponent();
void removeComponentSingleParentSingleAggregation();
void removeComponentSingleParentSeveralAggregations();
void removeComponentsSeveralParentsSingleAggreation();
void removeComponentsSeveralParentsSeveralAggregations();
void addSeveralTimesSameComponent();
void removeSeveralTimesSameComponent();
void checkComponentBookkeeping();
};
class MyQComponent : public Qt3DCore::QComponent
{
Q_OBJECT
public:
explicit MyQComponent(Qt3DCore::QNode *parent = nullptr)
: QComponent(parent)
{}
};
class MyQ2Component : public Qt3DCore::QComponent
{
Q_OBJECT
public:
explicit MyQ2Component(Qt3DCore::QNode *parent = 0)
: QComponent(parent)
{}
};
class MyEntity : public Qt3DCore::QEntity
{
public:
explicit MyEntity(Qt3DCore::QNode *parent = nullptr)
: QEntity(parent)
{}
};
void tst_Entity::constructionDestruction()
{
// GIVEN
QEntity *entity = nullptr;
// WHEN
entity = new QEntity;
// THEN
QVERIFY(entity != nullptr);
delete entity;
// GIVEN
QScopedPointer<QEntity> entity2(new QEntity);
// WHEN
entity2.reset(nullptr);
// THEN
// this should not crash
}
void tst_Entity::addComponentSingleParentSingleAggregation()
{
// GIVEN
QScopedPointer<Qt3DCore::QEntity> entity(new QEntity());
MyQComponent *comp = new MyQComponent(entity.data());
QCoreApplication::processEvents();
// THEN
QVERIFY(comp->parent() == entity.data());
QCOMPARE(entity->components().size(), 0);
QCOMPARE(entity->children().size(), 1);
QCOMPARE(comp->entities().size(), 0);
// WHEN
entity->addComponent(comp);
// THEN
QVERIFY(comp->parent() == entity.data());
QCOMPARE(entity->components().size(), 1);
QCOMPARE(entity->children().size(), 1);
QCOMPARE(comp->entities().size(), 1);
}
void tst_Entity::addComponentSingleParentSeveralAggregations()
{
// GIVEN
QScopedPointer<Qt3DCore::QEntity> entity1(new QEntity());
QScopedPointer<Qt3DCore::QEntity> entity2(new QEntity());
MyQComponent *comp1 = new MyQComponent(entity1.data());
MyQComponent *comp2 = new MyQComponent(entity1.data());
MyQComponent *comp3 = new MyQComponent(entity1.data());
QCoreApplication::processEvents();
// THEN
QVERIFY(comp1->parent() == entity1.data());
QVERIFY(comp2->parent() == entity1.data());
QVERIFY(comp3->parent() == entity1.data());
QCOMPARE(entity1->components().size(), 0);
QCOMPARE(entity2->components().size(), 0);
QCOMPARE(entity1->children().size(), 3);
QCOMPARE(entity2->children().size(), 0);
QCOMPARE(comp1->entities().size(), 0);
QCOMPARE(comp2->entities().size(), 0);
QCOMPARE(comp3->entities().size(), 0);
// WHEN
entity1->addComponent(comp1);
entity1->addComponent(comp2);
entity1->addComponent(comp3);
entity2->addComponent(comp1);
entity2->addComponent(comp2);
entity2->addComponent(comp3);
// THEN
QVERIFY(comp1->parent() == entity1.data());
QVERIFY(comp2->parent() == entity1.data());
QVERIFY(comp3->parent() == entity1.data());
QCOMPARE(entity1->components().size(), 3);
QCOMPARE(entity2->components().size(), 3);
QCOMPARE(entity1->children().size(), 3);
QCOMPARE(entity2->children().size(), 0);
QCOMPARE(comp1->entities().size(), 2);
QCOMPARE(comp2->entities().size(), 2);
QCOMPARE(comp3->entities().size(), 2);
}
void tst_Entity::addComponentsSeveralParentsSingleAggregations()
{
// GIVEN
QScopedPointer<Qt3DCore::QEntity> entity1(new QEntity());
QScopedPointer<Qt3DCore::QEntity> entity2(new QEntity());
MyQComponent *comp1 = new MyQComponent(entity1.data());
MyQComponent *comp2 = new MyQComponent(entity1.data());
MyQComponent *comp3 = new MyQComponent(entity2.data());
QCoreApplication::processEvents();
// THEN
QVERIFY(comp1->parent() == entity1.data());
QVERIFY(comp2->parent() == entity1.data());
QVERIFY(comp3->parent() == entity2.data());
QCOMPARE(entity1->components().size(), 0);
QCOMPARE(entity2->components().size(), 0);
QCOMPARE(entity1->children().size(), 2);
QCOMPARE(entity2->children().size(), 1);
QCOMPARE(comp1->entities().size(), 0);
QCOMPARE(comp2->entities().size(), 0);
QCOMPARE(comp3->entities().size(), 0);
// WHEN
entity1->addComponent(comp1);
entity1->addComponent(comp2);
entity2->addComponent(comp3);
// THEN
QVERIFY(comp1->parent() == entity1.data());
QVERIFY(comp2->parent() == entity1.data());
QVERIFY(comp3->parent() == entity2.data());
QCOMPARE(entity1->components().size(), 2);
QCOMPARE(entity2->components().size(), 1);
QCOMPARE(entity1->children().size(), 2);
QCOMPARE(entity2->children().size(), 1);
QCOMPARE(comp1->entities().size(), 1);
QCOMPARE(comp2->entities().size(), 1);
QCOMPARE(comp3->entities().size(), 1);
}
void tst_Entity::addComponentsSeveralParentsSeveralAggregations()
{
// GIVEN
QScopedPointer<Qt3DCore::QEntity> entity1(new QEntity());
QScopedPointer<Qt3DCore::QEntity> entity2(new QEntity());
MyQComponent *comp1 = new MyQComponent(entity1.data());
MyQComponent *comp2 = new MyQComponent(entity1.data());
MyQComponent *comp3 = new MyQComponent(entity2.data());
QCoreApplication::processEvents();
// THEN
QVERIFY(comp1->parent() == entity1.data());
QVERIFY(comp2->parent() == entity1.data());
QVERIFY(comp3->parent() == entity2.data());
QCOMPARE(entity1->components().size(), 0);
QCOMPARE(entity2->components().size(), 0);
QCOMPARE(entity1->children().size(), 2);
QCOMPARE(entity2->children().size(), 1);
QCOMPARE(comp1->entities().size(), 0);
QCOMPARE(comp2->entities().size(), 0);
QCOMPARE(comp3->entities().size(), 0);
// WHEN
entity1->addComponent(comp1);
entity1->addComponent(comp2);
entity1->addComponent(comp3);
entity2->addComponent(comp1);
entity2->addComponent(comp2);
entity2->addComponent(comp3);
// THEN
QVERIFY(comp1->parent() == entity1.data());
QVERIFY(comp2->parent() == entity1.data());
QVERIFY(comp3->parent() == entity2.data());
QCOMPARE(entity1->components().size(), 3);
QCOMPARE(entity2->components().size(), 3);
QCOMPARE(entity1->children().size(), 2);
QCOMPARE(entity2->children().size(), 1);
QCOMPARE(comp1->entities().size(), 2);
QCOMPARE(comp2->entities().size(), 2);
QCOMPARE(comp3->entities().size(), 2);
}
void tst_Entity::removeComponentSingleParentSingleAggregation()
{
// GIVEN
QScopedPointer<Qt3DCore::QEntity> entity(new QEntity());
MyQComponent *comp = new MyQComponent(entity.data());
QCoreApplication::processEvents();
entity->addComponent(comp);
// THEN
QVERIFY(comp->parent() == entity.data());
QCOMPARE(entity->components().size(), 1);
QCOMPARE(entity->children().size(), 1);
QCOMPARE(comp->entities().size(), 1);
// WHEN
entity->removeComponent(comp);
// THEN
QVERIFY(comp->parent() == entity.data());
QCOMPARE(entity->components().size(), 0);
QCOMPARE(entity->children().size(), 1);
QCOMPARE(comp->entities().size(), 0);
}
void tst_Entity::removeComponentSingleParentSeveralAggregations()
{
// GIVEN
QScopedPointer<Qt3DCore::QEntity> entity1(new QEntity());
QScopedPointer<Qt3DCore::QEntity> entity2(new QEntity());
MyQComponent *comp1 = new MyQComponent(entity1.data());
MyQComponent *comp2 = new MyQComponent(entity1.data());
MyQComponent *comp3 = new MyQComponent(entity1.data());
QCoreApplication::processEvents();
entity1->addComponent(comp1);
entity1->addComponent(comp2);
entity1->addComponent(comp3);
entity2->addComponent(comp1);
entity2->addComponent(comp2);
entity2->addComponent(comp3);
// THEN
QVERIFY(comp1->parent() == entity1.data());
QVERIFY(comp2->parent() == entity1.data());
QVERIFY(comp3->parent() == entity1.data());
QCOMPARE(entity1->components().size(), 3);
QCOMPARE(entity2->components().size(), 3);
QCOMPARE(entity1->children().size(), 3);
QCOMPARE(entity2->children().size(), 0);
QCOMPARE(comp1->entities().size(), 2);
QCOMPARE(comp2->entities().size(), 2);
QCOMPARE(comp3->entities().size(), 2);
// WHEN
entity1->removeComponent(comp1);
entity1->removeComponent(comp2);
entity1->removeComponent(comp3);
// THEN
QVERIFY(comp1->parent() == entity1.data());
QVERIFY(comp2->parent() == entity1.data());
QVERIFY(comp3->parent() == entity1.data());
QCOMPARE(entity1->components().size(), 0);
QCOMPARE(entity2->components().size(), 3);
QCOMPARE(entity1->children().size(), 3);
QCOMPARE(entity2->children().size(), 0);
QCOMPARE(comp1->entities().size(), 1);
QCOMPARE(comp2->entities().size(), 1);
QCOMPARE(comp3->entities().size(), 1);
// WHEN
entity2->removeComponent(comp1);
entity2->removeComponent(comp2);
entity2->removeComponent(comp3);
// THEN
QVERIFY(comp1->parent() == entity1.data());
QVERIFY(comp2->parent() == entity1.data());
QVERIFY(comp3->parent() == entity1.data());
QCOMPARE(entity1->components().size(), 0);
QCOMPARE(entity2->components().size(), 0);
QCOMPARE(entity1->children().size(), 3);
QCOMPARE(entity2->children().size(), 0);
QCOMPARE(comp1->entities().size(), 0);
QCOMPARE(comp2->entities().size(), 0);
QCOMPARE(comp3->entities().size(), 0);
}
void tst_Entity::removeComponentsSeveralParentsSingleAggreation()
{
// GIVEN
QScopedPointer<Qt3DCore::QEntity> entity1(new QEntity());
QScopedPointer<Qt3DCore::QEntity> entity2(new QEntity());
MyQComponent *comp1 = new MyQComponent(entity1.data());
MyQComponent *comp2 = new MyQComponent(entity1.data());
MyQComponent *comp3 = new MyQComponent(entity2.data());
QCoreApplication::processEvents();
// WHEN
entity1->addComponent(comp1);
entity1->addComponent(comp2);
entity2->addComponent(comp3);
// THEN
QVERIFY(comp1->parent() == entity1.data());
QVERIFY(comp2->parent() == entity1.data());
QVERIFY(comp3->parent() == entity2.data());
QCOMPARE(entity1->components().size(), 2);
QCOMPARE(entity2->components().size(), 1);
QCOMPARE(entity1->children().size(), 2);
QCOMPARE(entity2->children().size(), 1);
QCOMPARE(comp1->entities().size(), 1);
QCOMPARE(comp2->entities().size(), 1);
QCOMPARE(comp3->entities().size(), 1);
// WHEN
entity1->removeComponent(comp1);
entity1->removeComponent(comp2);
entity2->removeComponent(comp3);
// THEN
QVERIFY(comp1->parent() == entity1.data());
QVERIFY(comp2->parent() == entity1.data());
QVERIFY(comp3->parent() == entity2.data());
QCOMPARE(entity1->components().size(), 0);
QCOMPARE(entity2->components().size(), 0);
QCOMPARE(entity1->children().size(), 2);
QCOMPARE(entity2->children().size(), 1);
QCOMPARE(comp1->entities().size(), 0);
QCOMPARE(comp2->entities().size(), 0);
QCOMPARE(comp3->entities().size(), 0);
}
void tst_Entity::removeComponentsSeveralParentsSeveralAggregations()
{
// GIVEN
QScopedPointer<Qt3DCore::QEntity> entity1(new QEntity());
QScopedPointer<Qt3DCore::QEntity> entity2(new QEntity());
MyQComponent *comp1 = new MyQComponent(entity1.data());
MyQComponent *comp2 = new MyQComponent(entity1.data());
MyQComponent *comp3 = new MyQComponent(entity2.data());
QCoreApplication::processEvents();
// WHEN
entity1->addComponent(comp1);
entity1->addComponent(comp2);
entity1->addComponent(comp3);
entity2->addComponent(comp1);
entity2->addComponent(comp2);
entity2->addComponent(comp3);
// THEN
QVERIFY(comp1->parent() == entity1.data());
QVERIFY(comp2->parent() == entity1.data());
QVERIFY(comp3->parent() == entity2.data());
QCOMPARE(entity1->components().size(), 3);
QCOMPARE(entity2->components().size(), 3);
QCOMPARE(entity1->children().size(), 2);
QCOMPARE(entity2->children().size(), 1);
QCOMPARE(comp1->entities().size(), 2);
QCOMPARE(comp2->entities().size(), 2);
QCOMPARE(comp3->entities().size(), 2);
// WHEN
entity1->removeComponent(comp1);
entity1->removeComponent(comp2);
entity1->removeComponent(comp3);
// THEN
QVERIFY(comp1->parent() == entity1.data());
QVERIFY(comp2->parent() == entity1.data());
QVERIFY(comp3->parent() == entity2.data());
QCOMPARE(entity1->components().size(), 0);
QCOMPARE(entity2->components().size(), 3);
QCOMPARE(entity1->children().size(), 2);
QCOMPARE(entity2->children().size(), 1);
QCOMPARE(comp1->entities().size(), 1);
QCOMPARE(comp2->entities().size(), 1);
QCOMPARE(comp3->entities().size(), 1);
// WHEN
entity2->removeComponent(comp1);
entity2->removeComponent(comp2);
entity2->removeComponent(comp3);
// THEN
QVERIFY(comp1->parent() == entity1.data());
QVERIFY(comp2->parent() == entity1.data());
QVERIFY(comp3->parent() == entity2.data());
QCOMPARE(entity1->components().size(), 0);
QCOMPARE(entity2->components().size(), 0);
QCOMPARE(entity1->children().size(), 2);
QCOMPARE(entity2->children().size(), 1);
QCOMPARE(comp1->entities().size(), 0);
QCOMPARE(comp2->entities().size(), 0);
QCOMPARE(comp3->entities().size(), 0);
}
void tst_Entity::retrieveSingleComponent()
{
// GIVEN
QScopedPointer<Qt3DCore::QEntity> entity1(new QEntity());
MyQComponent *comp1 = new MyQComponent(entity1.data());
MyQComponent *comp2 = new MyQComponent(entity1.data());
QCoreApplication::processEvents();
entity1->addComponent(comp1);
entity1->addComponent(comp2);
// WHEN
const QList<MyQComponent *> myQComponentsInEntity = entity1->componentsOfType<MyQComponent>();
const QList<MyQ2Component *> myQ2ComponentsInEntity = entity1->componentsOfType<MyQ2Component>();
// THEN
QVERIFY(myQComponentsInEntity.size() == 2);
QVERIFY(myQComponentsInEntity[0] == comp1);
QVERIFY(myQComponentsInEntity[1] == comp2);
QVERIFY(myQ2ComponentsInEntity.size() == 0);
}
void tst_Entity::addSeveralTimesSameComponent()
{
// GIVEN
QScopedPointer<Qt3DCore::QEntity> entity(new QEntity());
MyQComponent *comp = new MyQComponent(entity.data());
QCoreApplication::processEvents();
entity->addComponent(comp);
// THEN
QVERIFY(comp->parent() == entity.data());
QCOMPARE(entity->components().size(), 1);
QCOMPARE(entity->children().size(), 1);
QCOMPARE(comp->entities().size(), 1);
// WHEN
entity->addComponent(comp);
// THEN
QVERIFY(comp->parent() == entity.data());
QCOMPARE(entity->components().size(), 1);
QCOMPARE(entity->children().size(), 1);
QCOMPARE(comp->entities().size(), 1);
}
void tst_Entity::removeSeveralTimesSameComponent()
{
// GIVEN
QScopedPointer<Qt3DCore::QEntity> entity(new QEntity());
MyQComponent *comp = new MyQComponent(entity.data());
QCoreApplication::processEvents();
entity->addComponent(comp);
entity->removeComponent(comp);
// THEN
QVERIFY(comp->parent() == entity.data());
QCOMPARE(entity->components().size(), 0);
QCOMPARE(entity->children().size(), 1);
QCOMPARE(comp->entities().size(), 0);
// WHEN
entity->removeComponent(comp);
// THEN
QVERIFY(comp->parent() == entity.data());
QCOMPARE(entity->components().size(), 0);
QCOMPARE(entity->children().size(), 1);
QCOMPARE(comp->entities().size(), 0);
}
void tst_Entity::checkComponentBookkeeping()
{
// GIVEN
QScopedPointer<Qt3DCore::QEntity> rootEntity(new Qt3DCore::QEntity);
{
// WHEN
QScopedPointer<Qt3DCore::QComponent> comp(new MyQComponent(rootEntity.data()));
rootEntity->addComponent(comp.data());
// THEN
QCOMPARE(comp->parent(), rootEntity.data());
QCOMPARE(rootEntity->components().size(), 1);
}
// THEN (Should not crash and comp should be automatically removed)
QVERIFY(rootEntity->components().empty());
{
// WHEN
QScopedPointer<Qt3DCore::QEntity> someOtherEntity(new Qt3DCore::QEntity);
QScopedPointer<Qt3DCore::QComponent> comp(new MyQComponent(someOtherEntity.data()));
rootEntity->addComponent(comp.data());
// THEN
QCOMPARE(comp->parent(), someOtherEntity.data());
QCOMPARE(rootEntity->components().size(), 1);
// WHEN
int sigCount = 0;
QObject *sigSender = comp.data();
connect(comp.data(), &QComponent::removedFromEntity, this, [&sigCount, sigSender](QEntity *) {
QComponent *c = qobject_cast<QComponent *>(sigSender);
if (sigSender && c)
sigCount++; // test the sender is still a QComponent when signal is emitted
});
comp.reset();
rootEntity.reset();
// THEN (Should not crash when the comp is destroyed (tests for failed removal of destruction helper)
QCOMPARE(sigCount, 1);
}
}
Qt3DCore::QNodeId parentEntityId(Qt3DCore::QEntity *entity)
{
Qt3DCore::QEntityPrivate *d = static_cast<Qt3DCore::QEntityPrivate*>(Qt3DCore::QNodePrivate::get(entity));
return d->parentEntityId();
}
QTEST_MAIN(tst_Entity)
#include "tst_qentity.moc"