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#include <QtTest/QtTest>

#include <qqueue.h>

class tst_QQueue : public QObject

{

    Q_OBJECT

private slots:

    void enqueue_dequeue_data();

    void enqueue_dequeue();

};

void tst_QQueue::enqueue_dequeue_data()

{

    QTest::addColumn<int>("num_items");

    QTest::newRow("1") << 11;

    QTest::newRow("2") << 211;

    QTest::newRow("3") << 1024 + 211;

}

void tst_QQueue::enqueue_dequeue()

{

    QFETCH(int, num_items);    

    int *values = new int[num_items];    

    QQueue<int>  queue_v;    

    QQueue<int*> queue_p;    

    QVERIFY(queue_v.empty());

    QVERIFY(queue_p.empty());

    for (int i = 0; i < num_items; i++ ) {

        values[i] = i;

        queue_p.enqueue(values + i);

        queue_v.enqueue(values[i]);

    }

    QVERIFY(!queue_p.empty());

    QVERIFY(!queue_v.empty());

    for (int i = 0; i < num_items; i++ ) {

        int v, *p;

        v = queue_v.head();

        p = queue_p.head();

        QCOMPARE(*p, v);

        QCOMPARE(v, i);       

        v = queue_v.dequeue();

        p = queue_p.dequeue();

        QCOMPARE(*p, v);        

        QCOMPARE(v, values[i]);        

    }

    QVERIFY(queue_v.empty());

    QVERIFY(queue_p.empty());

    delete[] values;

}

QTEST_APPLESS_MAIN(tst_QQueue)

#include "tst_qqueue.moc"