tests/auto/qflags/tst_qflags.cpp

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  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"