From cec7b67ec38934560c19a4e4361d684c25143fa8 Mon Sep 17 00:00:00 2001
From: Alan Alpert <alan.alpert@nokia.com>
Date: Fri, 14 Oct 2011 13:06:41 +1000
Subject: Initial particle system benchmark

Exposed another function on ParticleSystem in order to work.

Change-Id: I62acf524eb2c6491bc88fd687a0065866d7ce852
Reviewed-by: Martin Jones <martin.jones@nokia.com>
---
 .../benchmarks/particles/emission/tst_emission.cpp | 118 +++++++++++++++++++++
 1 file changed, 118 insertions(+)
 create mode 100644 tests/benchmarks/particles/emission/tst_emission.cpp

(limited to 'tests/benchmarks/particles/emission/tst_emission.cpp')

diff --git a/tests/benchmarks/particles/emission/tst_emission.cpp b/tests/benchmarks/particles/emission/tst_emission.cpp
new file mode 100644
index 0000000000..66ce547dd2
--- /dev/null
+++ b/tests/benchmarks/particles/emission/tst_emission.cpp
@@ -0,0 +1,118 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this
+** file. Please review the following information to ensure the GNU Lesser
+** General Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <qtest.h>
+#include <QtTest/QtTest>
+#include "../../../auto/particles/shared/particlestestsshared.h"
+#include <private/qsgparticlesystem_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);
+    QSGView* view = createView(QCoreApplication::applicationDirPath() + "/data/basic.qml");
+    QSGParticleSystem* system = view->rootObject()->findChild<QSGParticleSystem*>("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.
+    foreach (QSGParticleData *d, system->groupData[0]->data) {
+        if (d->t == -1)
+            continue; //Particle data unused
+
+        if (d->stillAlive())
+            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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