Restructure tests/benchmarks directory.

We follow the same structure as used in the src directory. This makes it
easier to navigate through the jungel, especially now that we are going
to add functional tests etc.

5 files changed, 812 insertions, 0 deletions

diff --git a/tests/benchmarks/gui/math3d/math3d.pro b/tests/benchmarks/gui/math3d/math3d.pro
new file mode 100644
index 0000000..c511d9a
--- /dev/null
+++ b/tests/benchmarks/gui/math3d/math3d.pro
@@ -0,0 +1,4 @@
+TEMPLATE = subdirs
+SUBDIRS = \
+        qmatrix4x4 \
+        qquaternion
diff --git a/tests/benchmarks/gui/math3d/qmatrix4x4/qmatrix4x4.pro b/tests/benchmarks/gui/math3d/qmatrix4x4/qmatrix4x4.pro
new file mode 100644
index 0000000..e82d9de
--- /dev/null
+++ b/tests/benchmarks/gui/math3d/qmatrix4x4/qmatrix4x4.pro
@@ -0,0 +1,6 @@
+load(qttest_p4)
+TEMPLATE = app
+TARGET = tst_qmatrix4x4
+
+SOURCES += tst_qmatrix4x4.cpp
+
diff --git a/tests/benchmarks/gui/math3d/qmatrix4x4/tst_qmatrix4x4.cpp b/tests/benchmarks/gui/math3d/qmatrix4x4/tst_qmatrix4x4.cpp
new file mode 100644
index 0000000..e962198
--- /dev/null
+++ b/tests/benchmarks/gui/math3d/qmatrix4x4/tst_qmatrix4x4.cpp
@@ -0,0 +1,672 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtOpenGL module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtTest/QtTest>
+#include <QtGui/qmatrix4x4.h>
+
+class tst_QMatrix4x4 : public QObject
+{
+    Q_OBJECT
+public:
+    tst_QMatrix4x4() {}
+    ~tst_QMatrix4x4() {}
+
+private slots:
+    void multiply_data();
+    void multiply();
+
+    void multiplyInPlace_data();
+    void multiplyInPlace();
+
+    void multiplyDirect_data();
+    void multiplyDirect();
+
+    void mapVector3D_data();
+    void mapVector3D();
+
+    void mapVector2D_data();
+    void mapVector2D();
+
+    void mapVectorDirect_data();
+    void mapVectorDirect();
+
+    void compareTranslate_data();
+    void compareTranslate();
+
+    void compareTranslateAfterScale_data();
+    void compareTranslateAfterScale();
+
+    void compareTranslateAfterRotate_data();
+    void compareTranslateAfterRotate();
+
+    void compareScale_data();
+    void compareScale();
+
+    void compareScaleAfterTranslate_data();
+    void compareScaleAfterTranslate();
+
+    void compareScaleAfterRotate_data();
+    void compareScaleAfterRotate();
+
+    void compareRotate_data();
+    void compareRotate();
+
+    void compareRotateAfterTranslate_data();
+    void compareRotateAfterTranslate();
+
+    void compareRotateAfterScale_data();
+    void compareRotateAfterScale();
+};
+
+static qreal const generalValues[16] =
+    {1.0f, 2.0f, 3.0f, 4.0f,
+     5.0f, 6.0f, 7.0f, 8.0f,
+     9.0f, 10.0f, 11.0f, 12.0f,
+     13.0f, 14.0f, 15.0f, 16.0f};
+
+void tst_QMatrix4x4::multiply_data()
+{
+    QTest::addColumn<QMatrix4x4>("m1");
+    QTest::addColumn<QMatrix4x4>("m2");
+
+    QTest::newRow("identity * identity")
+        << QMatrix4x4() << QMatrix4x4();
+    QTest::newRow("identity * general")
+        << QMatrix4x4() << QMatrix4x4(generalValues);
+    QTest::newRow("general * identity")
+        << QMatrix4x4(generalValues) << QMatrix4x4();
+    QTest::newRow("general * general")
+        << QMatrix4x4(generalValues) << QMatrix4x4(generalValues);
+}
+
+QMatrix4x4 mresult;
+
+void tst_QMatrix4x4::multiply()
+{
+    QFETCH(QMatrix4x4, m1);
+    QFETCH(QMatrix4x4, m2);
+
+    QMatrix4x4 m3;
+
+    QBENCHMARK {
+        m3 = m1 * m2;
+    }
+
+    // Force the result to be stored so the compiler doesn't
+    // optimize away the contents of the benchmark loop.
+    mresult = m3;
+}
+
+void tst_QMatrix4x4::multiplyInPlace_data()
+{
+    multiply_data();
+}
+
+void tst_QMatrix4x4::multiplyInPlace()
+{
+    QFETCH(QMatrix4x4, m1);
+    QFETCH(QMatrix4x4, m2);
+
+    QMatrix4x4 m3;
+
+    QBENCHMARK {
+        m3 = m1;
+        m3 *= m2;
+    }
+
+    // Force the result to be stored so the compiler doesn't
+    // optimize away the contents of the benchmark loop.
+    mresult = m3;
+}
+
+// Use a direct naive multiplication algorithm.  This is used
+// to compare against the optimized routines to see if they are
+// actually faster than the naive implementation.
+void tst_QMatrix4x4::multiplyDirect_data()
+{
+    multiply_data();
+}
+void tst_QMatrix4x4::multiplyDirect()
+{
+    QFETCH(QMatrix4x4, m1);
+    QFETCH(QMatrix4x4, m2);
+
+    QMatrix4x4 m3;
+
+    const qreal *m1data = m1.constData();
+    const qreal *m2data = m2.constData();
+    qreal *m3data = m3.data();
+
+    QBENCHMARK {
+        for (int row = 0; row < 4; ++row) {
+            for (int col = 0; col < 4; ++col) {
+                m3data[col * 4 + row] = 0.0f;
+                for (int j = 0; j < 4; ++j) {
+                    m3data[col * 4 + row] +=
+                        m1data[j * 4 + row] * m2data[col * 4 + j];
+                }
+            }
+        }
+    }
+}
+
+QVector3D vresult;
+
+void tst_QMatrix4x4::mapVector3D_data()
+{
+    QTest::addColumn<QMatrix4x4>("m1");
+
+    QTest::newRow("identity") << QMatrix4x4();
+    QTest::newRow("general") << QMatrix4x4(generalValues);
+
+    QMatrix4x4 t1;
+    t1.translate(-100.5f, 64.0f, 75.25f);
+    QTest::newRow("translate3D") << t1;
+
+    QMatrix4x4 t2;
+    t2.translate(-100.5f, 64.0f);
+    QTest::newRow("translate2D") << t2;
+
+    QMatrix4x4 s1;
+    s1.scale(-100.5f, 64.0f, 75.25f);
+    QTest::newRow("scale3D") << s1;
+
+    QMatrix4x4 s2;
+    s2.scale(-100.5f, 64.0f);
+    QTest::newRow("scale2D") << s2;
+}
+void tst_QMatrix4x4::mapVector3D()
+{
+    QFETCH(QMatrix4x4, m1);
+
+    QVector3D v(10.5f, -2.0f, 3.0f);
+    QVector3D result;
+
+    m1.optimize();
+
+    QBENCHMARK {
+        result = m1 * v;
+    }
+
+    // Force the result to be stored so the compiler doesn't
+    // optimize away the contents of the benchmark loop.
+    vresult = result;
+}
+
+QPointF vresult2;
+
+void tst_QMatrix4x4::mapVector2D_data()
+{
+    mapVector3D_data();
+}
+void tst_QMatrix4x4::mapVector2D()
+{
+    QFETCH(QMatrix4x4, m1);
+
+    QPointF v(10.5f, -2.0f);
+    QPointF result;
+
+    m1.optimize();
+
+    QBENCHMARK {
+        result = m1 * v;
+    }
+
+    // Force the result to be stored so the compiler doesn't
+    // optimize away the contents of the benchmark loop.
+    vresult2 = result;
+}
+
+// Use a direct naive multiplication algorithm.  This is used
+// to compare against the optimized routines to see if they are
+// actually faster than the naive implementation.
+void tst_QMatrix4x4::mapVectorDirect_data()
+{
+    mapVector3D_data();
+}
+void tst_QMatrix4x4::mapVectorDirect()
+{
+    QFETCH(QMatrix4x4, m1);
+
+    const qreal *m1data = m1.constData();
+    qreal v[4] = {10.5f, -2.0f, 3.0f, 1.0f};
+    qreal result[4];
+
+    QBENCHMARK {
+        for (int row = 0; row < 4; ++row) {
+            result[row] = 0.0f;
+            for (int col = 0; col < 4; ++col) {
+                result[row] += m1data[col * 4 + row] * v[col];
+            }
+        }
+        result[0] /= result[3];
+        result[1] /= result[3];
+        result[2] /= result[3];
+    }
+}
+
+// Compare the performance of QTransform::translate() to
+// QMatrix4x4::translate().
+void tst_QMatrix4x4::compareTranslate_data()
+{
+    QTest::addColumn<bool>("useQTransform");
+    QTest::addColumn<QVector3D>("translation");
+
+    QTest::newRow("QTransform::translate(0, 0, 0)")
+        << true << QVector3D(0, 0, 0);
+    QTest::newRow("QMatrix4x4::translate(0, 0, 0)")
+        << false << QVector3D(0, 0, 0);
+
+    QTest::newRow("QTransform::translate(1, 2, 0)")
+        << true << QVector3D(1, 2, 0);
+    QTest::newRow("QMatrix4x4::translate(1, 2, 0)")
+        << false << QVector3D(1, 2, 0);
+
+    QTest::newRow("QTransform::translate(1, 2, 4)")
+        << true << QVector3D(1, 2, 4);
+    QTest::newRow("QMatrix4x4::translate(1, 2, 4)")
+        << false << QVector3D(1, 2, 4);
+}
+void tst_QMatrix4x4::compareTranslate()
+{
+    QFETCH(bool, useQTransform);
+    QFETCH(QVector3D, translation);
+
+    qreal x = translation.x();
+    qreal y = translation.y();
+    qreal z = translation.z();
+
+    if (useQTransform) {
+        QTransform t;
+        QBENCHMARK {
+            t.translate(x, y);
+        }
+    } else if (z == 0.0f) {
+        QMatrix4x4 m;
+        QBENCHMARK {
+            m.translate(x, y);
+        }
+    } else {
+        QMatrix4x4 m;
+        QBENCHMARK {
+            m.translate(x, y, z);
+        }
+    }
+}
+
+// Compare the performance of QTransform::translate() to
+// QMatrix4x4::translate() after priming the matrix with a scale().
+void tst_QMatrix4x4::compareTranslateAfterScale_data()
+{
+    compareTranslate_data();
+}
+void tst_QMatrix4x4::compareTranslateAfterScale()
+{
+    QFETCH(bool, useQTransform);
+    QFETCH(QVector3D, translation);
+
+    qreal x = translation.x();
+    qreal y = translation.y();
+    qreal z = translation.z();
+
+    if (useQTransform) {
+        QTransform t;
+        t.scale(3, 4);
+        QBENCHMARK {
+            t.translate(x, y);
+        }
+    } else if (z == 0.0f) {
+        QMatrix4x4 m;
+        m.scale(3, 4);
+        QBENCHMARK {
+            m.translate(x, y);
+        }
+    } else {
+        QMatrix4x4 m;
+        m.scale(3, 4, 5);
+        QBENCHMARK {
+            m.translate(x, y, z);
+        }
+    }
+}
+
+// Compare the performance of QTransform::translate() to
+// QMatrix4x4::translate() after priming the matrix with a rotate().
+void tst_QMatrix4x4::compareTranslateAfterRotate_data()
+{
+    compareTranslate_data();
+}
+void tst_QMatrix4x4::compareTranslateAfterRotate()
+{
+    QFETCH(bool, useQTransform);
+    QFETCH(QVector3D, translation);
+
+    qreal x = translation.x();
+    qreal y = translation.y();
+    qreal z = translation.z();
+
+    if (useQTransform) {
+        QTransform t;
+        t.rotate(45.0f);
+        QBENCHMARK {
+            t.translate(x, y);
+        }
+    } else if (z == 0.0f) {
+        QMatrix4x4 m;
+        m.rotate(45.0f, 0, 0, 1);
+        QBENCHMARK {
+            m.translate(x, y);
+        }
+    } else {
+        QMatrix4x4 m;
+        m.rotate(45.0f, 0, 0, 1);
+        QBENCHMARK {
+            m.translate(x, y, z);
+        }
+    }
+}
+
+// Compare the performance of QTransform::scale() to
+// QMatrix4x4::scale().
+void tst_QMatrix4x4::compareScale_data()
+{
+    QTest::addColumn<bool>("useQTransform");
+    QTest::addColumn<QVector3D>("scale");
+
+    QTest::newRow("QTransform::scale(1, 1, 1)")
+        << true << QVector3D(1, 1, 1);
+    QTest::newRow("QMatrix4x4::scale(1, 1, 1)")
+        << false << QVector3D(1, 1, 1);
+
+    QTest::newRow("QTransform::scale(3, 6, 1)")
+        << true << QVector3D(3, 6, 1);
+    QTest::newRow("QMatrix4x4::scale(3, 6, 1)")
+        << false << QVector3D(3, 6, 1);
+
+    QTest::newRow("QTransform::scale(3, 6, 4)")
+        << true << QVector3D(3, 6, 4);
+    QTest::newRow("QMatrix4x4::scale(3, 6, 4)")
+        << false << QVector3D(3, 6, 4);
+}
+void tst_QMatrix4x4::compareScale()
+{
+    QFETCH(bool, useQTransform);
+    QFETCH(QVector3D, scale);
+
+    qreal x = scale.x();
+    qreal y = scale.y();
+    qreal z = scale.z();
+
+    if (useQTransform) {
+        QTransform t;
+        QBENCHMARK {
+            t.scale(x, y);
+        }
+    } else if (z == 1.0f) {
+        QMatrix4x4 m;
+        QBENCHMARK {
+            m.scale(x, y);
+        }
+    } else {
+        QMatrix4x4 m;
+        QBENCHMARK {
+            m.scale(x, y, z);
+        }
+    }
+}
+
+// Compare the performance of QTransform::scale() to
+// QMatrix4x4::scale() after priming the matrix with a translate().
+void tst_QMatrix4x4::compareScaleAfterTranslate_data()
+{
+    compareScale_data();
+}
+void tst_QMatrix4x4::compareScaleAfterTranslate()
+{
+    QFETCH(bool, useQTransform);
+    QFETCH(QVector3D, scale);
+
+    qreal x = scale.x();
+    qreal y = scale.y();
+    qreal z = scale.z();
+
+    if (useQTransform) {
+        QTransform t;
+        t.translate(20, 34);
+        QBENCHMARK {
+            t.scale(x, y);
+        }
+    } else if (z == 1.0f) {
+        QMatrix4x4 m;
+        m.translate(20, 34);
+        QBENCHMARK {
+            m.scale(x, y);
+        }
+    } else {
+        QMatrix4x4 m;
+        m.translate(20, 34, 42);
+        QBENCHMARK {
+            m.scale(x, y, z);
+        }
+    }
+}
+
+// Compare the performance of QTransform::scale() to
+// QMatrix4x4::scale() after priming the matrix with a rotate().
+void tst_QMatrix4x4::compareScaleAfterRotate_data()
+{
+    compareScale_data();
+}
+void tst_QMatrix4x4::compareScaleAfterRotate()
+{
+    QFETCH(bool, useQTransform);
+    QFETCH(QVector3D, scale);
+
+    qreal x = scale.x();
+    qreal y = scale.y();
+    qreal z = scale.z();
+
+    if (useQTransform) {
+        QTransform t;
+        t.rotate(45.0f);
+        QBENCHMARK {
+            t.scale(x, y);
+        }
+    } else if (z == 1.0f) {
+        QMatrix4x4 m;
+        m.rotate(45.0f, 0, 0, 1);
+        QBENCHMARK {
+            m.scale(x, y);
+        }
+    } else {
+        QMatrix4x4 m;
+        m.rotate(45.0f, 0, 0, 1);
+        QBENCHMARK {
+            m.scale(x, y, z);
+        }
+    }
+}
+
+// Compare the performance of QTransform::rotate() to
+// QMatrix4x4::rotate().
+void tst_QMatrix4x4::compareRotate_data()
+{
+    QTest::addColumn<bool>("useQTransform");
+    QTest::addColumn<qreal>("angle");
+    QTest::addColumn<QVector3D>("rotation");
+    QTest::addColumn<int>("axis");
+
+    QTest::newRow("QTransform::rotate(0, ZAxis)")
+        << true << qreal(0.0f) << QVector3D(0, 0, 1) << int(Qt::ZAxis);
+    QTest::newRow("QMatrix4x4::rotate(0, ZAxis)")
+        << false << qreal(0.0f) << QVector3D(0, 0, 1) << int(Qt::ZAxis);
+
+    QTest::newRow("QTransform::rotate(45, ZAxis)")
+        << true << qreal(45.0f) << QVector3D(0, 0, 1) << int(Qt::ZAxis);
+    QTest::newRow("QMatrix4x4::rotate(45, ZAxis)")
+        << false << qreal(45.0f) << QVector3D(0, 0, 1) << int(Qt::ZAxis);
+
+    QTest::newRow("QTransform::rotate(90, ZAxis)")
+        << true << qreal(90.0f) << QVector3D(0, 0, 1) << int(Qt::ZAxis);
+    QTest::newRow("QMatrix4x4::rotate(90, ZAxis)")
+        << false << qreal(90.0f) << QVector3D(0, 0, 1) << int(Qt::ZAxis);
+
+    QTest::newRow("QTransform::rotate(0, YAxis)")
+        << true << qreal(0.0f) << QVector3D(0, 1, 0) << int(Qt::YAxis);
+    QTest::newRow("QMatrix4x4::rotate(0, YAxis)")
+        << false << qreal(0.0f) << QVector3D(0, 1, 0) << int(Qt::YAxis);
+
+    QTest::newRow("QTransform::rotate(45, YAxis)")
+        << true << qreal(45.0f) << QVector3D(0, 1, 0) << int(Qt::YAxis);
+    QTest::newRow("QMatrix4x4::rotate(45, YAxis)")
+        << false << qreal(45.0f) << QVector3D(0, 1, 0) << int(Qt::YAxis);
+
+    QTest::newRow("QTransform::rotate(90, YAxis)")
+        << true << qreal(90.0f) << QVector3D(0, 1, 0) << int(Qt::YAxis);
+    QTest::newRow("QMatrix4x4::rotate(90, YAxis)")
+        << false << qreal(90.0f) << QVector3D(0, 1, 0) << int(Qt::YAxis);
+
+    QTest::newRow("QTransform::rotate(0, XAxis)")
+        << true << qreal(0.0f) << QVector3D(0, 1, 0) << int(Qt::XAxis);
+    QTest::newRow("QMatrix4x4::rotate(0, XAxis)")
+        << false << qreal(0.0f) << QVector3D(0, 1, 0) << int(Qt::XAxis);
+
+    QTest::newRow("QTransform::rotate(45, XAxis)")
+        << true << qreal(45.0f) << QVector3D(1, 0, 0) << int(Qt::XAxis);
+    QTest::newRow("QMatrix4x4::rotate(45, XAxis)")
+        << false << qreal(45.0f) << QVector3D(1, 0, 0) << int(Qt::XAxis);
+
+    QTest::newRow("QTransform::rotate(90, XAxis)")
+        << true << qreal(90.0f) << QVector3D(1, 0, 0) << int(Qt::XAxis);
+    QTest::newRow("QMatrix4x4::rotate(90, XAxis)")
+        << false << qreal(90.0f) << QVector3D(1, 0, 0) << int(Qt::XAxis);
+}
+void tst_QMatrix4x4::compareRotate()
+{
+    QFETCH(bool, useQTransform);
+    QFETCH(qreal, angle);
+    QFETCH(QVector3D, rotation);
+    QFETCH(int, axis);
+
+    qreal x = rotation.x();
+    qreal y = rotation.y();
+    qreal z = rotation.z();
+
+    if (useQTransform) {
+        QTransform t;
+        QBENCHMARK {
+            t.rotate(angle, Qt::Axis(axis));
+        }
+    } else {
+        QMatrix4x4 m;
+        QBENCHMARK {
+            m.rotate(angle, x, y, z);
+        }
+    }
+}
+
+// Compare the performance of QTransform::rotate() to
+// QMatrix4x4::rotate() after priming the matrix with a translate().
+void tst_QMatrix4x4::compareRotateAfterTranslate_data()
+{
+    compareRotate_data();
+}
+void tst_QMatrix4x4::compareRotateAfterTranslate()
+{
+    QFETCH(bool, useQTransform);
+    QFETCH(qreal, angle);
+    QFETCH(QVector3D, rotation);
+    QFETCH(int, axis);
+
+    qreal x = rotation.x();
+    qreal y = rotation.y();
+    qreal z = rotation.z();
+
+    if (useQTransform) {
+        QTransform t;
+        t.translate(3, 4);
+        QBENCHMARK {
+            t.rotate(angle, Qt::Axis(axis));
+        }
+    } else {
+        QMatrix4x4 m;
+        m.translate(3, 4, 5);
+        QBENCHMARK {
+            m.rotate(angle, x, y, z);
+        }
+    }
+}
+
+// Compare the performance of QTransform::rotate() to
+// QMatrix4x4::rotate() after priming the matrix with a scale().
+void tst_QMatrix4x4::compareRotateAfterScale_data()
+{
+    compareRotate_data();
+}
+void tst_QMatrix4x4::compareRotateAfterScale()
+{
+    QFETCH(bool, useQTransform);
+    QFETCH(qreal, angle);
+    QFETCH(QVector3D, rotation);
+    QFETCH(int, axis);
+
+    qreal x = rotation.x();
+    qreal y = rotation.y();
+    qreal z = rotation.z();
+
+    if (useQTransform) {
+        QTransform t;
+        t.scale(3, 4);
+        QBENCHMARK {
+            t.rotate(angle, Qt::Axis(axis));
+        }
+    } else {
+        QMatrix4x4 m;
+        m.scale(3, 4, 5);
+        QBENCHMARK {
+            m.rotate(angle, x, y, z);
+        }
+    }
+}
+
+QTEST_MAIN(tst_QMatrix4x4)
+
+#include "tst_qmatrix4x4.moc"
diff --git a/tests/benchmarks/gui/math3d/qquaternion/qquaternion.pro b/tests/benchmarks/gui/math3d/qquaternion/qquaternion.pro
new file mode 100644
index 0000000..cd68423
--- /dev/null
+++ b/tests/benchmarks/gui/math3d/qquaternion/qquaternion.pro
@@ -0,0 +1,6 @@
+load(qttest_p4)
+TEMPLATE = app
+TARGET = tst_qquaternion
+
+SOURCES += tst_qquaternion.cpp
+
diff --git a/tests/benchmarks/gui/math3d/qquaternion/tst_qquaternion.cpp b/tests/benchmarks/gui/math3d/qquaternion/tst_qquaternion.cpp
new file mode 100644
index 0000000..7930092
--- /dev/null
+++ b/tests/benchmarks/gui/math3d/qquaternion/tst_qquaternion.cpp
@@ -0,0 +1,124 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <qtest.h>
+#include <QQuaternion>
+
+//TESTED_FILES=
+
+class tst_QQuaternion : public QObject
+{
+    Q_OBJECT
+
+public:
+    tst_QQuaternion();
+    virtual ~tst_QQuaternion();
+
+public slots:
+    void init();
+    void cleanup();
+
+private slots:
+    void multiply_data();
+    void multiply();
+};
+
+tst_QQuaternion::tst_QQuaternion()
+{
+}
+
+tst_QQuaternion::~tst_QQuaternion()
+{
+}
+
+void tst_QQuaternion::init()
+{
+}
+
+void tst_QQuaternion::cleanup()
+{
+}
+
+void tst_QQuaternion::multiply_data()
+{
+    QTest::addColumn<qreal>("x1");
+    QTest::addColumn<qreal>("y1");
+    QTest::addColumn<qreal>("z1");
+    QTest::addColumn<qreal>("w1");
+    QTest::addColumn<qreal>("x2");
+    QTest::addColumn<qreal>("y2");
+    QTest::addColumn<qreal>("z2");
+    QTest::addColumn<qreal>("w2");
+
+    QTest::newRow("null")
+        << (qreal)0.0f << (qreal)0.0f << (qreal)0.0f << (qreal)0.0f
+        << (qreal)0.0f << (qreal)0.0f << (qreal)0.0f << (qreal)0.0f;
+
+    QTest::newRow("unitvec")
+        << (qreal)1.0f << (qreal)0.0f << (qreal)0.0f << (qreal)1.0f
+        << (qreal)0.0f << (qreal)1.0f << (qreal)0.0f << (qreal)1.0f;
+
+    QTest::newRow("complex")
+        << (qreal)1.0f << (qreal)2.0f << (qreal)3.0f << (qreal)7.0f
+        << (qreal)4.0f << (qreal)5.0f << (qreal)6.0f << (qreal)8.0f;
+}
+
+void tst_QQuaternion::multiply()
+{
+    QFETCH(qreal, x1);
+    QFETCH(qreal, y1);
+    QFETCH(qreal, z1);
+    QFETCH(qreal, w1);
+    QFETCH(qreal, x2);
+    QFETCH(qreal, y2);
+    QFETCH(qreal, z2);
+    QFETCH(qreal, w2);
+
+    QQuaternion q1(w1, x1, y1, z1);
+    QQuaternion q2(w2, x2, y2, z2);
+
+    QBENCHMARK {
+        QQuaternion q3 = q1 * q2;
+    }
+}
+
+QTEST_MAIN(tst_QQuaternion)
+#include "tst_qquaternion.moc"