tests/auto/qstyleoption/tst_qstyleoption.cpp

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  41
  42
  43 #include <QtTest/QtTest>
  44 #include <QStyleOption>
  45
  46
  47 class tst_QStyleOption: public QObject
  48 {
  49     Q_OBJECT
  50
  51 private slots:
  52     void qstyleoptioncast_data();
  53     void qstyleoptioncast();
  54     void copyconstructors();
  55 };
  56
  57 // Just a simple container for QStyleOption-pointer
  58 struct StyleOptionPointerBase
  59 {
  60     QStyleOption *pointer;
  61
  62     StyleOptionPointerBase(QStyleOption *p = 0) : pointer(p) { }
  63
  64     virtual ~StyleOptionPointerBase() { pointer = 0; }
  65 };
  66
  67 template <typename T>
  68 struct StyleOptionPointer: public StyleOptionPointerBase
  69 {
  70     StyleOptionPointer(T *p = 0): StyleOptionPointerBase(p) {}
  71     ~StyleOptionPointer() { delete static_cast<T *>(pointer); pointer = 0; }
  72 };
  73
  74 Q_DECLARE_METATYPE(StyleOptionPointerBase*)
  75
  76 template <typename T>
  77 inline StyleOptionPointerBase *stylePtr(T *ptr) { return new StyleOptionPointer<T>(ptr); }
  78
  79 void tst_QStyleOption::qstyleoptioncast_data()
  80 {
  81     QTest::addColumn<StyleOptionPointerBase *>("testOption");
  82     QTest::addColumn<bool>("canCastToComplex");
  83     QTest::addColumn<int>("type");
  84
  85     QTest::newRow("optionDefault") << stylePtr(new QStyleOption) << false << int(QStyleOption::SO_Default);
  86     QTest::newRow("optionButton") << stylePtr(new QStyleOptionButton) << false << int(QStyleOption::SO_Button);
  87     QTest::newRow("optionComboBox") << stylePtr(new QStyleOptionComboBox) << true << int(QStyleOption::SO_ComboBox);
  88     QTest::newRow("optionComplex") << stylePtr(new QStyleOptionComplex) << true << int(QStyleOption::SO_Complex);
  89     QTest::newRow("optionDockWidget") << stylePtr(new QStyleOptionDockWidget) << false << int(QStyleOption::SO_DockWidget);
  90     QTest::newRow("optionFocusRect") << stylePtr(new QStyleOptionFocusRect) << false << int(QStyleOption::SO_FocusRect);
  91     QTest::newRow("optionFrame") << stylePtr(new QStyleOptionFrame) << false << int(QStyleOption::SO_Frame);
  92     QTest::newRow("optionHeader") << stylePtr(new QStyleOptionHeader) << false << int(QStyleOption::SO_Header);
  93     QTest::newRow("optionMenuItem") << stylePtr(new QStyleOptionMenuItem) << false << int(QStyleOption::SO_MenuItem);
  94     QTest::newRow("optionProgressBar") << stylePtr(new QStyleOptionProgressBar) << false << int(QStyleOption::SO_ProgressBar);
  95     QTest::newRow("optionQ3DockWindow") << stylePtr(new QStyleOptionQ3DockWindow) << false << int(QStyleOption::SO_Q3DockWindow);
  96     QTest::newRow("optionQ3ListView") << stylePtr(new QStyleOptionQ3ListView) << true << int(QStyleOption::SO_Q3ListView);
  97     QTest::newRow("optionQ3ListViewItem") << stylePtr(new QStyleOptionQ3ListViewItem) << false << int(QStyleOption::SO_Q3ListViewItem);
  98     QTest::newRow("optionSlider") << stylePtr(new QStyleOptionSlider) << true << int(QStyleOption::SO_Slider);
  99     QTest::newRow("optionSpinBox") << stylePtr(new QStyleOptionSpinBox) << true << int(QStyleOption::SO_SpinBox);
 100     QTest::newRow("optionTab") << stylePtr(new QStyleOptionTab) << false << int(QStyleOption::SO_Tab);
 101     QTest::newRow("optionTitleBar") << stylePtr(new QStyleOptionTitleBar) << true << int(QStyleOption::SO_TitleBar);
 102     QTest::newRow("optionToolBox") << stylePtr(new QStyleOptionToolBox) << false << int(QStyleOption::SO_ToolBox);
 103     QTest::newRow("optionToolButton") << stylePtr(new QStyleOptionToolButton) << true << int(QStyleOption::SO_ToolButton);
 104     QTest::newRow("optionViewItem") << stylePtr(new QStyleOptionViewItem) << false << int(QStyleOption::SO_ViewItem);
 105     QTest::newRow("optionGraphicsItem") << stylePtr(new QStyleOptionGraphicsItem) << false << int(QStyleOption::SO_GraphicsItem);
 106 }
 107
 108 void tst_QStyleOption::qstyleoptioncast()
 109 {
 110     QFETCH(StyleOptionPointerBase *, testOption);
 111     QFETCH(bool, canCastToComplex);
 112     QFETCH(int, type);
 113
 114     QVERIFY(testOption->pointer != 0);
 115
 116     QCOMPARE(testOption->pointer->type, type);
 117
 118     // Cast to common base class
 119     QStyleOption *castOption = qstyleoption_cast<QStyleOption*>(testOption->pointer);
 120     QVERIFY(castOption != 0);
 121
 122     // Cast to complex base class
 123     castOption = qstyleoption_cast<QStyleOptionComplex*>(testOption->pointer);
 124     QCOMPARE(canCastToComplex, (castOption != 0));
 125
 126     // Cast to combo box
 127     castOption = qstyleoption_cast<QStyleOptionComboBox*>(testOption->pointer);
 128     QCOMPARE((castOption != 0),(testOption->pointer->type == QStyleOption::SO_ComboBox));
 129
 130     // Cast to button
 131     castOption = qstyleoption_cast<QStyleOptionButton*>(testOption->pointer);
 132     QCOMPARE((castOption != 0),(testOption->pointer->type == QStyleOption::SO_Button));
 133
 134     // Cast to lower version
 135     testOption->pointer->version += 1;
 136     castOption = qstyleoption_cast<QStyleOption*>(testOption->pointer);
 137     QVERIFY(castOption);
 138
 139     // Cast a null pointer
 140     castOption = qstyleoption_cast<QStyleOption*>((QStyleOption*)0);
 141     QCOMPARE(castOption,(QStyleOption*)0);
 142
 143     // Deallocate
 144     delete testOption;
 145 }
 146
 147 void tst_QStyleOption::copyconstructors()
 148 {
 149     QStyleOptionFrame frame;
 150     QStyleOptionFrameV2 frame2(frame);
 151     QCOMPARE(frame2.version, int(QStyleOptionFrameV2::Version));
 152     frame2 = frame;
 153     QCOMPARE(frame2.version, int(QStyleOptionFrameV2::Version));
 154
 155     QStyleOptionProgressBar bar;
 156     QStyleOptionProgressBarV2 bar2(bar);
 157     QCOMPARE(bar2.version, int(QStyleOptionProgressBarV2::Version));
 158     bar2 = bar;
 159     QCOMPARE(bar2.version, int(QStyleOptionProgressBarV2::Version));
 160 }
 161
 162 QTEST_MAIN(tst_QStyleOption)
 163 #include "tst_qstyleoption.moc"
 164