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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include <qtest.h>
#include <QtTest/QTest>
#include "../../../auto/particles/shared/particlestestsshared.h"
#include <private/qquickparticlesystem_p.h>
class tst_emission : public QObject
{
Q_OBJECT
public:
tst_emission();
private slots:
void test_basic();
void test_basic_data();
};
tst_emission::tst_emission()
{
}
void tst_emission::test_basic_data()
{
QTest::addColumn<int> ("dt");
QTest::newRow("16ms") << 16;
QTest::newRow("32ms") << 32;
QTest::newRow("100ms") << 100;
QTest::newRow("500ms") << 500;
QTest::newRow("1000ms") << 1000;
QTest::newRow("10000ms") << 10000;
}
void tst_emission::test_basic()
{
QFETCH(int, dt);
QQuickView* view = createView(QCoreApplication::applicationDirPath() + "/data/basic.qml");
QQuickParticleSystem* system = view->rootObject()->findChild<QQuickParticleSystem*>("system");
//Pretend we're running, but we manually advance the simulation
system->m_running = true;
system->m_animation = 0;
system->reset();
int curTime = 1;
system->updateCurrentTime(curTime);//Fixed point and get init out of the way.
while (curTime < 500){//Minimum time needed to get enough alive
QBENCHMARK {
curTime += dt;
system->updateCurrentTime(curTime);
}
}
int stillAlive = 0;
QVERIFY(extremelyFuzzyCompare(system->groupData[0]->size(), 1000, 10));//Small simulation variance is permissible.
for (QQuickParticleData *d : std::as_const(system->groupData[0]->data)) {
if (d->t == -1)
continue; //Particle data unused
if (d->stillAlive(system))
stillAlive++;
QCOMPARE(d->x, 0.f);
QCOMPARE(d->y, 0.f);
QCOMPARE(d->vx, 0.f);
QCOMPARE(d->vy, 0.f);
QCOMPARE(d->ax, 0.f);
QCOMPARE(d->ay, 0.f);
QCOMPARE(d->lifeSpan, 0.5f);
QCOMPARE(d->size, 32.f);
QCOMPARE(d->endSize, 32.f);
QVERIFY(myFuzzyLEQ(d->t, ((qreal)system->timeInt/1000.0)));
}
QVERIFY(extremelyFuzzyCompare(stillAlive, 1000, 10));//Small simulation variance is permissible.
delete view;
}
QTEST_MAIN(tst_emission);
#include "tst_emission.moc"
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