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6 ** This file is part of the test suite of the Qt Toolkit.
8 ** $QT_BEGIN_LICENSE:LGPL$
9 ** GNU Lesser General Public License Usage
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21 ** GNU General Public License Usage
22 ** Alternatively, this file may be used under the terms of the GNU General
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40 ****************************************************************************/
42 #include <QtTest/QtTest>
43 #include "../shared/particlestestsshared.h"
44 #include <private/qquickparticlesystem_p.h>
45 #include <private/qabstractanimation_p.h>
47 #include "../../shared/util.h"
49 class tst_qquickfriction : public QQmlDataTest
53 tst_qquickfriction() {}
58 void test_threshold();
61 void tst_qquickfriction::initTestCase()
63 QQmlDataTest::initTestCase();
64 QUnifiedTimer::instance()->setConsistentTiming(true);
67 void tst_qquickfriction::test_basic()
69 QQuickView* view = createView(testFileUrl("basic.qml"), 600);
70 QQuickParticleSystem* system = view->rootObject()->findChild<QQuickParticleSystem*>("system");
71 ensureAnimTime(600, system->m_animation);
73 //Default is just slowed a little
74 QVERIFY(extremelyFuzzyCompare(system->groupData[0]->size(), 500, 10));
75 foreach (QQuickParticleData *d, system->groupData[0]->data) {
77 continue; //Particle data unused
79 QVERIFY(d->vx < 100.f);
84 QCOMPARE(d->lifeSpan, 0.5f);
85 QCOMPARE(d->size, 32.f);
86 QCOMPARE(d->endSize, 32.f);
87 QVERIFY(myFuzzyLEQ(d->t, ((qreal)system->timeInt/1000.0)));
90 //Nondefault comes to a complete stop within the first half of its life
91 QCOMPARE(system->groupData[1]->size(), 500);
92 foreach (QQuickParticleData *d, system->groupData[1]->data) {
94 continue; //Particle data unused
96 if (d->t > ((qreal)system->timeInt/1000.0) - 0.25)
98 QVERIFY(myFuzzyCompare(d->vx, 0.f));
99 QCOMPARE(d->y, 200.f);
100 QCOMPARE(d->vy, 0.f);
101 QCOMPARE(d->ax, 0.f);
102 QCOMPARE(d->ay, 0.f);
103 QCOMPARE(d->lifeSpan, 0.5f);
104 QCOMPARE(d->size, 32.f);
105 QCOMPARE(d->endSize, 32.f);
106 QVERIFY(myFuzzyLEQ(d->t, ((qreal)system->timeInt/1000.0)));
111 void tst_qquickfriction::test_threshold()
113 QQuickView* view = createView(testFileUrl("threshold.qml"), 600);
114 QQuickParticleSystem* system = view->rootObject()->findChild<QQuickParticleSystem*>("system");
115 ensureAnimTime(600, system->m_animation);
117 //Velocity capped at 50, but it might take a frame or two to get there
118 QVERIFY(extremelyFuzzyCompare(system->groupData[0]->size(), 500, 10));
119 foreach (QQuickParticleData *d, system->groupData[0]->data) {
121 continue; //Particle data unused
122 if (myFuzzyGEQ(d->t, ((qreal)system->timeInt/1000.0) - 0.1))
123 continue; //Particle data too young
125 QVERIFY(myFuzzyLEQ(d->vx, 50.f));
127 QCOMPARE(d->vy, 0.f);
128 QCOMPARE(d->ax, 0.f);
129 QCOMPARE(d->ay, 0.f);
130 QCOMPARE(d->lifeSpan, 0.5f);
131 QCOMPARE(d->size, 32.f);
132 QCOMPARE(d->endSize, 32.f);
133 QVERIFY(myFuzzyLEQ(d->t, ((qreal)system->timeInt/1000.0)));
138 QTEST_MAIN(tst_qquickfriction);
140 #include "tst_qquickfriction.moc"