author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 19 Feb 2010 23:40:16 +0200 | |
branch | RCL_3 |
changeset 4 | 3b1da2848fc7 |
parent 0 | 1918ee327afb |
permissions | -rw-r--r-- |
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/**************************************************************************** |
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** |
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3b1da2848fc7
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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changeset
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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** All rights reserved. |
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** Contact: Nokia Corporation (qt-info@nokia.com) |
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** |
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** This file is part of the test suite of the Qt Toolkit. |
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** |
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** $QT_BEGIN_LICENSE:LGPL$ |
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** No Commercial Usage |
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** This file contains pre-release code and may not be distributed. |
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** You may use this file in accordance with the terms and conditions |
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** contained in the Technology Preview License Agreement accompanying |
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** this package. |
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** |
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** GNU Lesser General Public License Usage |
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** Alternatively, this file may be used under the terms of the GNU Lesser |
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** General Public License version 2.1 as published by the Free Software |
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** Foundation and appearing in the file LICENSE.LGPL included in the |
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** packaging of this file. Please review the following information to |
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** ensure the GNU Lesser General Public License version 2.1 requirements |
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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** |
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** In addition, as a special exception, Nokia gives you certain additional |
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** rights. These rights are described in the Nokia Qt LGPL Exception |
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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** |
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** If you have questions regarding the use of this file, please contact |
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** Nokia at qt-info@nokia.com. |
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** |
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** |
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** |
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** |
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** |
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** |
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** |
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** |
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** $QT_END_LICENSE$ |
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** |
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****************************************************************************/ |
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#include <QtTest/QtTest> |
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class tst_QRand: public QObject |
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{ |
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Q_OBJECT |
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private slots: |
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void testqrand(); |
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}; |
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void tst_QRand::testqrand() |
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{ |
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const int numTestValues = 100; |
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int generatedNumbers[numTestValues]; |
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bool generatesSameSequence = true; |
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// test without calling srand() first |
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// should give same sequence as with srand(1) |
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for (int i=0; i<numTestValues; ++i) |
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generatedNumbers[i] = qrand(); |
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qsrand(1); |
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for (int i=0; i<numTestValues; ++i) |
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if (generatedNumbers[i] != qrand()) |
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generatesSameSequence = false; |
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QVERIFY(generatesSameSequence); |
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for (unsigned int seed=1; seed < 10; seed+=100) { |
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qsrand(seed); |
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for (int i=0; i<numTestValues; ++i) |
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generatedNumbers[i] = qrand(); |
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qsrand(seed); |
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generatesSameSequence = true; |
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for (int i=0; i<numTestValues; ++i) |
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if (generatedNumbers[i] != qrand()) |
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generatesSameSequence = false; |
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QVERIFY(generatesSameSequence); |
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} |
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} |
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QTEST_MAIN(tst_QRand) |
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#include "tst_qrand.moc" |