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28
29#include <QtTest/QtTest>
30#include "../shared/particlestestsshared.h"
31#include <private/qquickparticlesystem_p.h>
32#include <private/qabstractanimation_p.h>
33
34#include "../../shared/util.h"
35
36class tst_qquickfriction : public QQmlDataTest
37{
38 Q_OBJECT
39public:
40 tst_qquickfriction() {}
41
42private slots:
43 void initTestCase();
44 void test_basic();
45 void test_threshold();
46};
47
48void tst_qquickfriction::initTestCase()
49{
50 QQmlDataTest::initTestCase();
51 QUnifiedTimer::instance()->setConsistentTiming(true);
52}
53
54void tst_qquickfriction::test_basic()
55{
56 QQuickView* view = createView(filename: testFileUrl(fileName: "basic.qml"), additionalWait: 600);
57 QQuickParticleSystem* system = view->rootObject()->findChild<QQuickParticleSystem*>(aName: "system");
58 ensureAnimTime(requiredTime: 600, anim: system->m_animation);
59
60 //Default is just slowed a little
61 QVERIFY(extremelyFuzzyCompare(system->groupData[0]->size(), 500, 10));
62 for (QQuickParticleData *d : qAsConst(t&: system->groupData[0]->data)) {
63 if (d->t == -1)
64 continue; //Particle data unused
65
66 QVERIFY(d->vx < 100.f);
67 QCOMPARE(d->y, 0.f);
68 QCOMPARE(d->vy, 0.f);
69 QCOMPARE(d->ax, 0.f);
70 QCOMPARE(d->ay, 0.f);
71 QCOMPARE(d->lifeSpan, 0.5f);
72 QCOMPARE(d->size, 32.f);
73 QCOMPARE(d->endSize, 32.f);
74 QVERIFY(myFuzzyLEQ(d->t, ((qreal)system->timeInt/1000.0)));
75 }
76
77 //Nondefault comes to a complete stop within the first half of its life
78 QCOMPARE(system->groupData[1]->size(), 500);
79 for (QQuickParticleData *d : qAsConst(t&: system->groupData[1]->data)) {
80 if (d->t == -1)
81 continue; //Particle data unused
82
83 if (d->t > ((qreal)system->timeInt/1000.0) - 0.25)
84 continue;
85 QVERIFY(myFuzzyCompare(d->vx, 0.f));
86 QCOMPARE(d->y, 200.f);
87 QCOMPARE(d->vy, 0.f);
88 QCOMPARE(d->ax, 0.f);
89 QCOMPARE(d->ay, 0.f);
90 QCOMPARE(d->lifeSpan, 0.5f);
91 QCOMPARE(d->size, 32.f);
92 QCOMPARE(d->endSize, 32.f);
93 QVERIFY(myFuzzyLEQ(d->t, ((qreal)system->timeInt/1000.0)));
94 }
95 delete view;
96}
97
98void tst_qquickfriction::test_threshold()
99{
100 QQuickView* view = createView(filename: testFileUrl(fileName: "threshold.qml"), additionalWait: 600);
101 QQuickParticleSystem* system = view->rootObject()->findChild<QQuickParticleSystem*>(aName: "system");
102 ensureAnimTime(requiredTime: 600, anim: system->m_animation);
103
104 //Velocity capped at 50, but it might take a frame or two to get there
105 QVERIFY(extremelyFuzzyCompare(system->groupData[0]->size(), 500, 10));
106 for (QQuickParticleData *d : qAsConst(t&: system->groupData[0]->data)) {
107 if (d->t == -1.0f)
108 continue; //Particle data unused
109 if (myFuzzyGEQ(a: d->t, b: ((qreal)system->timeInt/1000.0) - 0.1))
110 continue; //Particle data too young
111
112 QVERIFY(myFuzzyLEQ(d->vx, 50.f));
113 QCOMPARE(d->y, 0.f);
114 QCOMPARE(d->vy, 0.f);
115 QCOMPARE(d->ax, 0.f);
116 QCOMPARE(d->ay, 0.f);
117 QCOMPARE(d->lifeSpan, 0.5f);
118 QCOMPARE(d->size, 32.f);
119 QCOMPARE(d->endSize, 32.f);
120 QVERIFY(myFuzzyLEQ(d->t, ((qreal)system->timeInt/1000.0)));
121 }
122 delete view;
123}
124
125QTEST_MAIN(tst_qquickfriction);
126
127#include "tst_qquickfriction.moc"
128

source code of qtdeclarative/tests/auto/particles/qquickfriction/tst_qquickfriction.cpp