/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
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** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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#include <QtTest/QtTest>
#include "../shared/particlestestsshared.h"
#include <private/qquickparticlesystem_p.h>
#include <private/qabstractanimation_p.h>

#include "../../shared/util.h"

class tst_qquickgravity : public QQmlDataTest
{
    Q_OBJECT
public:
    tst_qquickgravity() {}

private slots:
    void initTestCase();
    void test_basic();
};

void tst_qquickgravity::initTestCase()
{
    QQmlDataTest::initTestCase();
    QUnifiedTimer::instance()->setConsistentTiming(true);
}

void tst_qquickgravity::test_basic()
{
    QQuickView* view = createView(testFileUrl("basic.qml"), 600);
    QQuickParticleSystem* system = view->rootObject()->findChild<QQuickParticleSystem*>("system");
    ensureAnimTime(600, system->m_animation);

    QVERIFY(extremelyFuzzyCompare(system->groupData[0]->size(), 500, 10));
    float mag = 707.10678f;
    for (QQuickParticleData *d : qAsConst(system->groupData[0]->data)) {
        if (d->t == -1 || !d->stillAlive(system))
            continue; //Particle data unused or dead

        float t = ((qreal)system->timeInt/1000.0) - d->t;
        QVERIFY(extremelyFuzzyCompare(d->vx, t*mag, 20.0f));
        QVERIFY(extremelyFuzzyCompare(d->vy, t*mag, 20.0f));
        QCOMPARE(d->lifeSpan, 0.5f);
        QCOMPARE(d->size, 32.f);
        QCOMPARE(d->endSize, 32.f);
        QVERIFY(myFuzzyLEQ(d->t, ((qreal)system->timeInt/1000.0)));
    }
    delete view;
}

QTEST_MAIN(tst_qquickgravity);

#include "tst_qquickgravity.moc"