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#include <QtTest/QtTest>

class tst_QRand: public QObject

{

    Q_OBJECT

private slots:

    void testqrand();

};

void tst_QRand::testqrand()

{

    const int numTestValues = 100;

    int generatedNumbers[numTestValues];

    bool generatesSameSequence = true;

    // test without calling srand() first

    // should give same sequence as with srand(1)

    for (int i=0; i<numTestValues; ++i)

        generatedNumbers[i] = qrand();

    qsrand(1);

    for (int i=0; i<numTestValues; ++i)

        if (generatedNumbers[i] != qrand())

            generatesSameSequence = false;

    QVERIFY(generatesSameSequence);

    for (unsigned int seed=1; seed < 10; seed+=100) {

        qsrand(seed);

        for (int i=0; i<numTestValues; ++i)

            generatedNumbers[i] = qrand();

        qsrand(seed);

        generatesSameSequence = true;

        for (int i=0; i<numTestValues; ++i)

            if (generatedNumbers[i] != qrand())

                generatesSameSequence = false;

        QVERIFY(generatesSameSequence);

    }

}

QTEST_MAIN(tst_QRand)

#include "tst_qrand.moc"