tests/auto/qflags/tst_qflags.cpp
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     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     4 ** All rights reserved.
       
     5 ** Contact: Nokia Corporation (qt-info@nokia.com)
       
     6 **
       
     7 ** This file is part of the test suite of the Qt Toolkit.
       
     8 **
       
     9 ** $QT_BEGIN_LICENSE:LGPL$
       
    10 ** No Commercial Usage
       
    11 ** This file contains pre-release code and may not be distributed.
       
    12 ** You may use this file in accordance with the terms and conditions
       
    13 ** contained in the Technology Preview License Agreement accompanying
       
    14 ** this package.
       
    15 **
       
    16 ** GNU Lesser General Public License Usage
       
    17 ** Alternatively, this file may be used under the terms of the GNU Lesser
       
    18 ** General Public License version 2.1 as published by the Free Software
       
    19 ** Foundation and appearing in the file LICENSE.LGPL included in the
       
    20 ** packaging of this file.  Please review the following information to
       
    21 ** ensure the GNU Lesser General Public License version 2.1 requirements
       
    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
       
    23 **
       
    24 ** In addition, as a special exception, Nokia gives you certain additional
       
    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception
       
    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
       
    27 **
       
    28 ** If you have questions regarding the use of this file, please contact
       
    29 ** Nokia at qt-info@nokia.com.
       
    30 **
       
    31 **
       
    32 **
       
    33 **
       
    34 **
       
    35 **
       
    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 #include <QtTest/QtTest>
       
    42 
       
    43 class tst_QFlags: public QObject
       
    44 {
       
    45     Q_OBJECT
       
    46 private slots:
       
    47     void testFlag() const;
       
    48     void testFlagZeroFlag() const;
       
    49     void testFlagMultiBits() const;
       
    50 };
       
    51 
       
    52 void tst_QFlags::testFlag() const
       
    53 {
       
    54     Qt::MouseButtons btn = Qt::LeftButton | Qt::RightButton;
       
    55 
       
    56     QVERIFY(btn.testFlag(Qt::LeftButton));
       
    57     QVERIFY(!btn.testFlag(Qt::MidButton));
       
    58 
       
    59     btn = 0;
       
    60     QVERIFY(!btn.testFlag(Qt::LeftButton));
       
    61 }
       
    62 
       
    63 void tst_QFlags::testFlagZeroFlag() const
       
    64 {
       
    65     {
       
    66         Qt::MouseButtons btn = Qt::LeftButton | Qt::RightButton;
       
    67         /* Qt::NoButton has the value 0. */
       
    68 
       
    69         QVERIFY(!btn.testFlag(Qt::NoButton));
       
    70     }
       
    71 
       
    72     {
       
    73         /* A zero enum set should test true with zero. */
       
    74         QVERIFY(Qt::MouseButtons().testFlag(Qt::NoButton));
       
    75     }
       
    76 
       
    77     {
       
    78         Qt::MouseButtons btn = Qt::NoButton;
       
    79         QVERIFY(btn.testFlag(Qt::NoButton));
       
    80     }
       
    81 }
       
    82 
       
    83 void tst_QFlags::testFlagMultiBits() const
       
    84 {
       
    85     /* Qt::Window is 0x00000001
       
    86      * Qt::Dialog is 0x00000002 | Window
       
    87      */
       
    88     {
       
    89         const Qt::WindowFlags onlyWindow(Qt::Window);
       
    90         QVERIFY(!onlyWindow.testFlag(Qt::Dialog));
       
    91     }
       
    92 
       
    93     {
       
    94         const Qt::WindowFlags hasDialog(Qt::Dialog);
       
    95         QVERIFY(hasDialog.testFlag(Qt::Dialog));
       
    96     }
       
    97 }
       
    98 
       
    99 QTEST_MAIN(tst_QFlags)
       
   100 #include "tst_qflags.moc"