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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_qquickwander : public QQmlDataTest
37{
38 Q_OBJECT
39public:
40 tst_qquickwander() {}
41
42private slots:
43 void initTestCase();
44 void test_basic();
45};
46
47void tst_qquickwander::initTestCase()
48{
49 QQmlDataTest::initTestCase();
50 QUnifiedTimer::instance()->setConsistentTiming(true);
51}
52
53void tst_qquickwander::test_basic()
54{
55 QQuickView* view = createView(filename: testFileUrl(fileName: "basic.qml"), additionalWait: 600);
56 QQuickParticleSystem* system = view->rootObject()->findChild<QQuickParticleSystem*>(aName: "system");
57 ensureAnimTime(requiredTime: 600, anim: system->m_animation);
58
59 QVERIFY(extremelyFuzzyCompare(system->groupData[0]->size(), 500, 10));
60 //Since Wander is random perturbations, the compromise between stability and actual testing is to hope that one of
61 //the 500 was randomly changed from 0.0 in velocity
62 bool vxChanged = false;
63 bool vyChanged = false;
64 for (QQuickParticleData *d : qAsConst(t&: system->groupData[0]->data)) {
65 if (d->t == -1)
66 continue; //Particle data unused
67
68 QCOMPARE(d->ax, 0.f);
69 QCOMPARE(d->ay, 0.f);
70 QCOMPARE(d->lifeSpan, 0.5f);
71 QCOMPARE(d->size, 32.f);
72 QCOMPARE(d->endSize, 32.f);
73 QVERIFY(myFuzzyLEQ(d->t, ((qreal)system->timeInt/1000.0)));
74 if (d->vx != 0.0f)
75 vxChanged = true;
76 if (d->vy != 0.0f)
77 vyChanged = true;
78 }
79 delete view;
80 QVERIFY(vxChanged);
81 QVERIFY(vyChanged);
82}
83
84QTEST_MAIN(tst_qquickwander);
85
86#include "tst_qquickwander.moc"
87

source code of qtdeclarative/tests/auto/particles/qquickwander/tst_qquickwander.cpp