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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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 1.0, 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/


#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"