Merge branch '4.6' of git@scm.dev.nokia.troll.no:qt/oslo-staging-2 into 4.6-s60

11 files changed, 383 insertions, 82 deletions

diff --git a/tests/auto/qabstractitemmodel/tst_qabstractitemmodel.cpp b/tests/auto/qabstractitemmodel/tst_qabstractitemmodel.cpp
index bdc31af..413419d 100644
--- a/tests/auto/qabstractitemmodel/tst_qabstractitemmodel.cpp
+++ b/tests/auto/qabstractitemmodel/tst_qabstractitemmodel.cpp
@@ -865,15 +865,22 @@ void tst_QAbstractItemModel::testMoveSameParentDown_data()
     QTest::addColumn<int>("startRow");
     QTest::addColumn<int>("endRow");
     QTest::addColumn<int>("destRow");
+    // We can't put the actual parent index for the move in here because m_model is not defined until init() is run.
+    QTest::addColumn<bool>("topLevel");
 
     // Move from the start to the middle
-    QTest::newRow("move01") << 0 << 2 << 8;
+    QTest::newRow("move01") << 0 << 2 << 8 << true;
     // Move from the start to the end
-    QTest::newRow("move02") << 0 << 2 << 10;
+    QTest::newRow("move02") << 0 << 2 << 10 << true;
     // Move from the middle to the middle
-    QTest::newRow("move03") << 3 << 5 << 8;
+    QTest::newRow("move03") << 3 << 5 << 8 << true;
     // Move from the middle to the end
-    QTest::newRow("move04") << 3 << 5 << 10;
+    QTest::newRow("move04") << 3 << 5 << 10 << true;
+
+    QTest::newRow("move05") << 0 << 2 << 8 << false;
+    QTest::newRow("move06") << 0 << 2 << 10 << false;
+    QTest::newRow("move07") << 3 << 5 << 8 << false;
+    QTest::newRow("move08") << 3 << 5 << 10 << false;
 }
 
 void tst_QAbstractItemModel::testMoveSameParentDown()
@@ -881,6 +888,9 @@ void tst_QAbstractItemModel::testMoveSameParentDown()
     QFETCH( int, startRow);
     QFETCH( int, endRow);
     QFETCH( int, destRow);
+    QFETCH( bool, topLevel);
+
+    QModelIndex moveParent = topLevel ? QModelIndex() : m_model->index(5, 0);
 
     QList<QPersistentModelIndex> persistentList;
     QModelIndexList indexList;
@@ -913,33 +923,37 @@ void tst_QAbstractItemModel::testMoveSameParentDown()
 
     ModelMoveCommand *moveCommand = new ModelMoveCommand(m_model, this);
     moveCommand->setNumCols(4);
+    if (!topLevel)
+        moveCommand->setAncestorRowNumbers(QList<int>() << 5);
     moveCommand->setStartRow(startRow);
     moveCommand->setEndRow(endRow);
     moveCommand->setDestRow(destRow);
+    if (!topLevel)
+        moveCommand->setDestAncestors(QList<int>() << 5);
     moveCommand->doCommand();
 
     QVariantList beforeSignal = beforeSpy.takeAt(0);
     QVariantList afterSignal = afterSpy.takeAt(0);
 
     QCOMPARE(beforeSignal.size(), 5);
-    QCOMPARE(beforeSignal.at(0).value<QModelIndex>(), QModelIndex());
+    QCOMPARE(beforeSignal.at(0).value<QModelIndex>(), moveParent);
     QCOMPARE(beforeSignal.at(1).toInt(), startRow);
     QCOMPARE(beforeSignal.at(2).toInt(), endRow);
-    QCOMPARE(beforeSignal.at(3).value<QModelIndex>(), QModelIndex());
+    QCOMPARE(beforeSignal.at(3).value<QModelIndex>(), moveParent);
     QCOMPARE(beforeSignal.at(4).toInt(), destRow);
 
     QCOMPARE(afterSignal.size(), 5);
-    QCOMPARE(afterSignal.at(0).value<QModelIndex>(), QModelIndex());
+    QCOMPARE(afterSignal.at(0).value<QModelIndex>(), moveParent);
     QCOMPARE(afterSignal.at(1).toInt(), startRow);
     QCOMPARE(afterSignal.at(2).toInt(), endRow);
-    QCOMPARE(afterSignal.at(3).value<QModelIndex>(), QModelIndex());
+    QCOMPARE(afterSignal.at(3).value<QModelIndex>(), moveParent);
     QCOMPARE(afterSignal.at(4).toInt(), destRow);
 
     for (int i = 0; i < indexList.size(); i++)
     {
         QModelIndex idx = indexList.at(i);
         QModelIndex persistentIndex = persistentList.at(i);
-        if (idx.parent() == QModelIndex())
+        if (idx.parent() == moveParent)
         {
             int row = idx.row();
             if ( row >= startRow)
@@ -976,15 +990,21 @@ void tst_QAbstractItemModel::testMoveSameParentUp_data()
     QTest::addColumn<int>("startRow");
     QTest::addColumn<int>("endRow");
     QTest::addColumn<int>("destRow");
+    QTest::addColumn<bool>("topLevel");
 
     // Move from the middle to the start
-    QTest::newRow("move01") << 5 << 7 << 0;
+    QTest::newRow("move01") << 5 << 7 << 0 << true;
     // Move from the end to the start
-    QTest::newRow("move02") << 8 << 9 << 0;
+    QTest::newRow("move02") << 8 << 9 << 0 << true;
     // Move from the middle to the middle
-    QTest::newRow("move03") << 5 << 7 << 2;
+    QTest::newRow("move03") << 5 << 7 << 2 << true;
     // Move from the end to the middle
-    QTest::newRow("move04") << 8 << 9 << 5;
+    QTest::newRow("move04") << 8 << 9 << 5 << true;
+
+    QTest::newRow("move05") << 5 << 7 << 0 << false;
+    QTest::newRow("move06") << 8 << 9 << 0 << false;
+    QTest::newRow("move07") << 5 << 7 << 2 << false;
+    QTest::newRow("move08") << 8 << 9 << 5 << false;
 }
 
 void tst_QAbstractItemModel::testMoveSameParentUp()
@@ -993,6 +1013,9 @@ void tst_QAbstractItemModel::testMoveSameParentUp()
     QFETCH( int, startRow);
     QFETCH( int, endRow);
     QFETCH( int, destRow);
+    QFETCH( bool, topLevel);
+
+    QModelIndex moveParent = topLevel ? QModelIndex() : m_model->index(5, 0);
 
     QList<QPersistentModelIndex> persistentList;
     QModelIndexList indexList;
@@ -1026,26 +1049,30 @@ void tst_QAbstractItemModel::testMoveSameParentUp()
 
     ModelMoveCommand *moveCommand = new ModelMoveCommand(m_model, this);
     moveCommand->setNumCols(4);
+    if (!topLevel)
+        moveCommand->setAncestorRowNumbers(QList<int>() << 5);
     moveCommand->setStartRow(startRow);
     moveCommand->setEndRow(endRow);
     moveCommand->setDestRow(destRow);
+    if (!topLevel)
+        moveCommand->setDestAncestors(QList<int>() << 5);
     moveCommand->doCommand();
 
     QVariantList beforeSignal = beforeSpy.takeAt(0);
     QVariantList afterSignal = afterSpy.takeAt(0);
 
     QCOMPARE(beforeSignal.size(), 5);
-    QCOMPARE(beforeSignal.at(0).value<QModelIndex>(), QModelIndex());
+    QCOMPARE(beforeSignal.at(0).value<QModelIndex>(), moveParent);
     QCOMPARE(beforeSignal.at(1).toInt(), startRow);
     QCOMPARE(beforeSignal.at(2).toInt(), endRow);
-    QCOMPARE(beforeSignal.at(3).value<QModelIndex>(), QModelIndex());
+    QCOMPARE(beforeSignal.at(3).value<QModelIndex>(), moveParent);
     QCOMPARE(beforeSignal.at(4).toInt(), destRow);
 
     QCOMPARE(afterSignal.size(), 5);
-    QCOMPARE(afterSignal.at(0).value<QModelIndex>(), QModelIndex());
+    QCOMPARE(afterSignal.at(0).value<QModelIndex>(), moveParent);
     QCOMPARE(afterSignal.at(1).toInt(), startRow);
     QCOMPARE(afterSignal.at(2).toInt(), endRow);
-    QCOMPARE(afterSignal.at(3).value<QModelIndex>(), QModelIndex());
+    QCOMPARE(afterSignal.at(3).value<QModelIndex>(), moveParent);
     QCOMPARE(afterSignal.at(4).toInt(), destRow);
 
 
@@ -1053,7 +1080,7 @@ void tst_QAbstractItemModel::testMoveSameParentUp()
     {
         QModelIndex idx = indexList.at(i);
         QModelIndex persistentIndex = persistentList.at(i);
-        if (idx.parent() == QModelIndex())
+        if (idx.parent() == moveParent)
         {
             int row = idx.row();
             if ( row >= destRow)
diff --git a/tests/auto/qcalendarwidget/tst_qcalendarwidget.cpp b/tests/auto/qcalendarwidget/tst_qcalendarwidget.cpp
index 381f46f..a57c1d6 100644
--- a/tests/auto/qcalendarwidget/tst_qcalendarwidget.cpp
+++ b/tests/auto/qcalendarwidget/tst_qcalendarwidget.cpp
@@ -75,6 +75,8 @@ private slots:
     void resetTextFormat();
 
     void setWeekdayFormat();
+    void showPrevNext_data();
+    void showPrevNext();
 };
 
 // Testing get/set functions
@@ -293,5 +295,73 @@ void tst_QCalendarWidget::cleanup()
 {
 }
 
+
+typedef void (QCalendarWidget::*ShowFunc)();
+Q_DECLARE_METATYPE(ShowFunc)
+
+void tst_QCalendarWidget::showPrevNext_data()
+{
+    QTest::addColumn<ShowFunc>("function");
+    QTest::addColumn<QDate>("dateOrigin");
+    QTest::addColumn<QDate>("expectedDate");
+
+    QTest::newRow("showNextMonth") << &QCalendarWidget::showNextMonth << QDate(1984,7,30) << QDate(1984,8,30);
+    QTest::newRow("showPrevMonth") << &QCalendarWidget::showPreviousMonth << QDate(1984,7,30) << QDate(1984,6,30);
+    QTest::newRow("showNextYear") << &QCalendarWidget::showNextYear << QDate(1984,7,30) << QDate(1985,7,30);
+    QTest::newRow("showPrevYear") << &QCalendarWidget::showPreviousYear << QDate(1984,7,30) << QDate(1983,7,30);
+
+    QTest::newRow("showNextMonth limit") << &QCalendarWidget::showNextMonth << QDate(2007,12,4) << QDate(2008,1,4);
+    QTest::newRow("showPreviousMonth limit") << &QCalendarWidget::showPreviousMonth << QDate(2006,1,23) << QDate(2005,12,23);
+
+    QTest::newRow("showNextMonth now") << &QCalendarWidget::showNextMonth << QDate() << QDate::currentDate().addMonths(1);
+    QTest::newRow("showNextYear now") << &QCalendarWidget::showNextYear << QDate() << QDate::currentDate().addYears(1);
+    QTest::newRow("showPrevieousMonth now") << &QCalendarWidget::showPreviousMonth << QDate() << QDate::currentDate().addMonths(-1);
+    QTest::newRow("showPreviousYear now") << &QCalendarWidget::showPreviousYear << QDate() << QDate::currentDate().addYears(-1);
+
+    QTest::newRow("showToday now") << &QCalendarWidget::showToday << QDate(2000,1,31) << QDate::currentDate();
+    QTest::newRow("showNextMonth 31") << &QCalendarWidget::showNextMonth << QDate(2000,1,31) << QDate(2000,2,28);
+    QTest::newRow("selectedDate") << &QCalendarWidget::showSelectedDate << QDate(2008,2,29) << QDate(2008,2,29);
+
+}
+
+void tst_QCalendarWidget::showPrevNext()
+{
+    QFETCH(ShowFunc, function);
+    QFETCH(QDate, dateOrigin);
+    QFETCH(QDate, expectedDate);
+
+    QCalendarWidget calWidget;
+    calWidget.show();
+    QTest::qWaitForWindowShown(&calWidget);
+    if(!dateOrigin.isNull()) {
+        calWidget.setSelectedDate(dateOrigin);
+        calWidget.setCurrentPage(dateOrigin.year(), dateOrigin.month());
+
+        QCOMPARE(calWidget.yearShown(), dateOrigin.year());
+        QCOMPARE(calWidget.monthShown(), dateOrigin.month());
+    } else {
+        QCOMPARE(calWidget.yearShown(), QDate::currentDate().year());
+        QCOMPARE(calWidget.monthShown(), QDate::currentDate().month());
+    }
+
+    (calWidget.*function)();
+
+    QCOMPARE(calWidget.yearShown(), expectedDate.year());
+    QCOMPARE(calWidget.monthShown(), expectedDate.month());
+
+    // QTBUG-4058
+    QTest::qWait(20);
+    QToolButton *button = qFindChild<QToolButton *>(&calWidget, "qt_calendar_prevmonth");
+    QTest::mouseClick(button, Qt::LeftButton);
+    expectedDate = expectedDate.addMonths(-1);
+    QCOMPARE(calWidget.yearShown(), expectedDate.year());
+    QCOMPARE(calWidget.monthShown(), expectedDate.month());
+
+    if(!dateOrigin.isNull()) {
+        //the selectedDate should not have changed
+        QCOMPARE(calWidget.selectedDate(), dateOrigin);
+    }
+}
+
 QTEST_MAIN(tst_QCalendarWidget)
 #include "tst_qcalendarwidget.moc"
diff --git a/tests/auto/qcoreapplication/tst_qcoreapplication.cpp b/tests/auto/qcoreapplication/tst_qcoreapplication.cpp
index c5f06e2..3c61f81 100644
--- a/tests/auto/qcoreapplication/tst_qcoreapplication.cpp
+++ b/tests/auto/qcoreapplication/tst_qcoreapplication.cpp
@@ -58,6 +58,7 @@ private slots:
 #endif
     void applicationPid();
     void globalPostedEventsCount();
+    void processEventsAlwaysSendsPostedEvents();
 };
 
 class EventSpy : public QObject
@@ -488,5 +489,40 @@ void tst_QCoreApplication::globalPostedEventsCount()
     QCOMPARE(x.globalPostedEventsCount, expected);
 }
 
+class ProcessEventsAlwaysSendsPostedEventsObject : public QObject
+{
+public:
+    int counter;
+
+    inline ProcessEventsAlwaysSendsPostedEventsObject()
+        : counter(0)
+    { }
+
+    bool event(QEvent *event)
+    {
+        if (event->type() == QEvent::User)
+            ++counter;
+        return QObject::event(event);
+    }
+};
+
+void tst_QCoreApplication::processEventsAlwaysSendsPostedEvents()
+{
+    int argc = 1;
+    char *argv[] = { "tst_qcoreapplication" };
+    QCoreApplication app(argc, argv);
+
+    ProcessEventsAlwaysSendsPostedEventsObject object;
+    QTime t;
+    t.start();
+    int i = 1;
+    do {
+        QCoreApplication::postEvent(&object, new QEvent(QEvent::User));
+        QCoreApplication::processEvents();
+        QCOMPARE(object.counter, i);
+        ++i;
+    } while (t.elapsed() < 3000);
+}
+
 QTEST_APPLESS_MAIN(tst_QCoreApplication)
 #include "tst_qcoreapplication.moc"
diff --git a/tests/auto/qgl/tst_qgl.cpp b/tests/auto/qgl/tst_qgl.cpp
index c680dec..ccb08c3 100644
--- a/tests/auto/qgl/tst_qgl.cpp
+++ b/tests/auto/qgl/tst_qgl.cpp
@@ -76,6 +76,7 @@ private slots:
     void partialGLWidgetUpdates_data();
     void partialGLWidgetUpdates();
     void glWidgetRendering();
+    void glFBOSimpleRendering();
     void glFBORendering();
     void multipleFBOInterleavedRendering();
     void glFBOUseInGLWidget();
@@ -711,6 +712,79 @@ void tst_QGL::openGLVersionCheck()
 #endif //QT_BUILD_INTERNAL
 }
 
+static bool fuzzyComparePixels(const QRgb testPixel, const QRgb refPixel, const char* file, int line, int x = -1, int y = -1)
+{
+    static int maxFuzz = 1;
+    static bool maxFuzzSet = false;
+
+    // On 16 bpp systems, we need to allow for more fuzz:
+    if (!maxFuzzSet) {
+        maxFuzzSet = true;
+        if (appDefaultDepth() < 24)
+            maxFuzz = 32;
+    }
+
+    int redFuzz = qAbs(qRed(testPixel) - qRed(refPixel));
+    int greenFuzz = qAbs(qGreen(testPixel) - qGreen(refPixel));
+    int blueFuzz = qAbs(qBlue(testPixel) - qBlue(refPixel));
+    int alphaFuzz = qAbs(qAlpha(testPixel) - qAlpha(refPixel));
+
+    if (refPixel != 0 && testPixel == 0) {
+        QString msg;
+        if (x >= 0) {
+            msg = QString("Test pixel [%1, %2] is null (black) when it should be (%3,%4,%5,%6)")
+                            .arg(x).arg(y)
+                            .arg(qRed(refPixel)).arg(qGreen(refPixel)).arg(qBlue(refPixel)).arg(qAlpha(refPixel));
+        } else {
+            msg = QString("Test pixel is null (black) when it should be (%2,%3,%4,%5)")
+                            .arg(qRed(refPixel)).arg(qGreen(refPixel)).arg(qBlue(refPixel)).arg(qAlpha(refPixel));
+        }
+
+        QTest::qFail(msg.toLatin1(), file, line);
+        return false;
+    }
+
+    if (redFuzz > maxFuzz || greenFuzz > maxFuzz || blueFuzz > maxFuzz || alphaFuzz > maxFuzz) {
+        QString msg;
+
+        if (x >= 0)
+            msg = QString("Pixel [%1,%2]: ").arg(x).arg(y);
+        else
+            msg = QString("Pixel ");
+
+        msg += QString("Max fuzz (%1) exceeded: (%2,%3,%4,%5) vs (%6,%7,%8,%9)")
+                      .arg(maxFuzz)
+                      .arg(qRed(testPixel)).arg(qGreen(testPixel)).arg(qBlue(testPixel)).arg(qAlpha(testPixel))
+                      .arg(qRed(refPixel)).arg(qGreen(refPixel)).arg(qBlue(refPixel)).arg(qAlpha(refPixel));
+        QTest::qFail(msg.toLatin1(), file, line);
+        return false;
+    }
+    return true;
+}
+
+static void fuzzyCompareImages(const QImage &testImage, const QImage &referenceImage, const char* file, int line)
+{
+    QCOMPARE(testImage.width(), referenceImage.width());
+    QCOMPARE(testImage.height(), referenceImage.height());
+
+    for (int y = 0; y < testImage.height(); y++) {
+        for (int x = 0; x < testImage.width(); x++) {
+            if (!fuzzyComparePixels(testImage.pixel(x, y), referenceImage.pixel(x, y), file, line, x, y)) {
+                // Might as well save the images for easier debugging:
+                referenceImage.save("referenceImage.png");
+                testImage.save("testImage.png");
+                return;
+            }
+        }
+    }
+}
+
+#define QFUZZY_COMPARE_IMAGES(A,B) \
+            fuzzyCompareImages(A, B, __FILE__, __LINE__)
+
+#define QFUZZY_COMPARE_PIXELS(A,B) \
+            fuzzyComparePixels(A, B, __FILE__, __LINE__)
+
 class UnclippedWidget : public QWidget
 {
 public:
@@ -723,8 +797,6 @@ public:
 
 void tst_QGL::graphicsViewClipping()
 {
-    if (appDefaultDepth() < 24)
-        QSKIP("This test won't work for bit depths < 24", SkipAll);
     const int size = 64;
     UnclippedWidget *widget = new UnclippedWidget;
     widget->setFixedSize(size, size);
@@ -734,6 +806,9 @@ void tst_QGL::graphicsViewClipping()
     scene.addWidget(widget)->setPos(0, 0);
 
     QGraphicsView view(&scene);
+#ifdef Q_WS_QWS
+    view.setWindowFlags(Qt::FramelessWindowHint);
+#endif
     view.resize(2*size, 2*size);
 
     QGLWidget *viewport = new QGLWidget;
@@ -758,7 +833,7 @@ void tst_QGL::graphicsViewClipping()
     p.fillRect(QRect(0, 0, size, size), Qt::black);
     p.end();
 
-    QCOMPARE(image, expected);
+    QFUZZY_COMPARE_IMAGES(image, expected);
 }
 
 void tst_QGL::partialGLWidgetUpdates_data()
@@ -849,7 +924,7 @@ void tst_QGL::glPBufferRendering()
     p.fillRect(32, 32, 64, 64, Qt::blue);
     p.end();
 
-    QCOMPARE(fb, reference);
+    QFUZZY_COMPARE_IMAGES(fb, reference);
 }
 
 class GLWidget : public QGLWidget
@@ -868,8 +943,8 @@ public:
 
         // This test only ensures it's possible to paint onto a QGLWidget. Full
         // paint engine feature testing is way out of scope!
+        p.fillRect(-1, -1, width()+2, height()+2, Qt::red);
 
-        p.fillRect(0, 0, width(), height(), Qt::red);
         // No p.end() or swap buffers, should be done automatically
     }
 
@@ -877,9 +952,11 @@ public:
 
 void tst_QGL::glWidgetRendering()
 {
-    if (appDefaultDepth() < 24)
-        QSKIP("This test won't work for bit depths < 24", SkipAll);
     GLWidget w;
+#ifdef Q_WS_QWS
+    w.setWindowFlags(Qt::FramelessWindowHint);
+#endif
+    w.setGeometry(100, 100, 200, 200);
     w.show();
 
 #ifdef Q_WS_X11
@@ -894,7 +971,37 @@ void tst_QGL::glWidgetRendering()
     QImage reference(fb.size(), QImage::Format_RGB32);
     reference.fill(0xffff0000);
 
-    QCOMPARE(fb, reference);
+    QFUZZY_COMPARE_IMAGES(fb, reference);
+}
+
+void tst_QGL::glFBOSimpleRendering()
+{
+    if (!QGLFramebufferObject::hasOpenGLFramebufferObjects())
+        QSKIP("QGLFramebufferObject not supported on this platform", SkipSingle);
+
+    QGLWidget glw;
+    glw.makeCurrent();
+
+    // No multisample with combined depth/stencil attachment:
+    QGLFramebufferObjectFormat fboFormat;
+    fboFormat.setAttachment(QGLFramebufferObject::NoAttachment);
+
+    // Don't complicate things by using NPOT:
+    QGLFramebufferObject *fbo = new QGLFramebufferObject(256, 128, fboFormat);
+
+    fbo->bind();
+
+    glClearColor(1.0, 0.0, 0.0, 1.0);
+    glClear(GL_COLOR_BUFFER_BIT);
+    glFinish();
+
+    QImage fb = fbo->toImage().convertToFormat(QImage::Format_RGB32);
+    QImage reference(fb.size(), QImage::Format_RGB32);
+    reference.fill(0xffff0000);
+
+    QFUZZY_COMPARE_IMAGES(fb, reference);
+
+    delete fbo;
 }
 
 // NOTE: This tests that CombinedDepthStencil attachment works by assuming the
@@ -949,14 +1056,14 @@ void tst_QGL::glFBORendering()
     // As we're doing more than trivial painting, we can't just compare to
     // an image rendered with raster. Instead, we sample at well-defined
     // test-points:
-    QCOMPARE(fb.pixel(39, 64), QColor(Qt::red).rgb());
-    QCOMPARE(fb.pixel(89, 64), QColor(Qt::red).rgb());
-    QCOMPARE(fb.pixel(64, 39), QColor(Qt::blue).rgb());
-    QCOMPARE(fb.pixel(64, 89), QColor(Qt::blue).rgb());
-
-    QCOMPARE(fb.pixel(167, 39), QColor(Qt::red).rgb());
-    QCOMPARE(fb.pixel(217, 39), QColor(Qt::red).rgb());
-    QCOMPARE(fb.pixel(192, 64), QColor(Qt::green).rgb());
+    QFUZZY_COMPARE_PIXELS(fb.pixel(39, 64), QColor(Qt::red).rgb());
+    QFUZZY_COMPARE_PIXELS(fb.pixel(89, 64), QColor(Qt::red).rgb());
+    QFUZZY_COMPARE_PIXELS(fb.pixel(64, 39), QColor(Qt::blue).rgb());
+    QFUZZY_COMPARE_PIXELS(fb.pixel(64, 89), QColor(Qt::blue).rgb());
+
+    QFUZZY_COMPARE_PIXELS(fb.pixel(167, 39), QColor(Qt::red).rgb());
+    QFUZZY_COMPARE_PIXELS(fb.pixel(217, 39), QColor(Qt::red).rgb());
+    QFUZZY_COMPARE_PIXELS(fb.pixel(192, 64), QColor(Qt::green).rgb());
 }
 
 
@@ -1047,29 +1154,29 @@ void tst_QGL::multipleFBOInterleavedRendering()
     // As we're doing more than trivial painting, we can't just compare to
     // an image rendered with raster. Instead, we sample at well-defined
     // test-points:
-    QCOMPARE(fb1.pixel(39, 64), QColor(Qt::red).rgb());
-    QCOMPARE(fb1.pixel(89, 64), QColor(Qt::red).rgb());
-    QCOMPARE(fb1.pixel(64, 39), QColor(Qt::blue).rgb());
-    QCOMPARE(fb1.pixel(64, 89), QColor(Qt::blue).rgb());
-    QCOMPARE(fb1.pixel(167, 39), QColor(Qt::red).rgb());
-    QCOMPARE(fb1.pixel(217, 39), QColor(Qt::red).rgb());
-    QCOMPARE(fb1.pixel(192, 64), QColor(Qt::green).rgb());
-
-    QCOMPARE(fb2.pixel(39, 64), QColor(Qt::green).rgb());
-    QCOMPARE(fb2.pixel(89, 64), QColor(Qt::green).rgb());
-    QCOMPARE(fb2.pixel(64, 39), QColor(Qt::red).rgb());
-    QCOMPARE(fb2.pixel(64, 89), QColor(Qt::red).rgb());
-    QCOMPARE(fb2.pixel(167, 39), QColor(Qt::green).rgb());
-    QCOMPARE(fb2.pixel(217, 39), QColor(Qt::green).rgb());
-    QCOMPARE(fb2.pixel(192, 64), QColor(Qt::blue).rgb());
-
-    QCOMPARE(fb3.pixel(39, 64), QColor(Qt::blue).rgb());
-    QCOMPARE(fb3.pixel(89, 64), QColor(Qt::blue).rgb());
-    QCOMPARE(fb3.pixel(64, 39), QColor(Qt::green).rgb());
-    QCOMPARE(fb3.pixel(64, 89), QColor(Qt::green).rgb());
-    QCOMPARE(fb3.pixel(167, 39), QColor(Qt::blue).rgb());
-    QCOMPARE(fb3.pixel(217, 39), QColor(Qt::blue).rgb());
-    QCOMPARE(fb3.pixel(192, 64), QColor(Qt::red).rgb());
+    QFUZZY_COMPARE_PIXELS(fb1.pixel(39, 64), QColor(Qt::red).rgb());
+    QFUZZY_COMPARE_PIXELS(fb1.pixel(89, 64), QColor(Qt::red).rgb());
+    QFUZZY_COMPARE_PIXELS(fb1.pixel(64, 39), QColor(Qt::blue).rgb());
+    QFUZZY_COMPARE_PIXELS(fb1.pixel(64, 89), QColor(Qt::blue).rgb());
+    QFUZZY_COMPARE_PIXELS(fb1.pixel(167, 39), QColor(Qt::red).rgb());
+    QFUZZY_COMPARE_PIXELS(fb1.pixel(217, 39), QColor(Qt::red).rgb());
+    QFUZZY_COMPARE_PIXELS(fb1.pixel(192, 64), QColor(Qt::green).rgb());
+
+    QFUZZY_COMPARE_PIXELS(fb2.pixel(39, 64), QColor(Qt::green).rgb());
+    QFUZZY_COMPARE_PIXELS(fb2.pixel(89, 64), QColor(Qt::green).rgb());
+    QFUZZY_COMPARE_PIXELS(fb2.pixel(64, 39), QColor(Qt::red).rgb());
+    QFUZZY_COMPARE_PIXELS(fb2.pixel(64, 89), QColor(Qt::red).rgb());
+    QFUZZY_COMPARE_PIXELS(fb2.pixel(167, 39), QColor(Qt::green).rgb());
+    QFUZZY_COMPARE_PIXELS(fb2.pixel(217, 39), QColor(Qt::green).rgb());
+    QFUZZY_COMPARE_PIXELS(fb2.pixel(192, 64), QColor(Qt::blue).rgb());
+
+    QFUZZY_COMPARE_PIXELS(fb3.pixel(39, 64), QColor(Qt::blue).rgb());
+    QFUZZY_COMPARE_PIXELS(fb3.pixel(89, 64), QColor(Qt::blue).rgb());
+    QFUZZY_COMPARE_PIXELS(fb3.pixel(64, 39), QColor(Qt::green).rgb());
+    QFUZZY_COMPARE_PIXELS(fb3.pixel(64, 89), QColor(Qt::green).rgb());
+    QFUZZY_COMPARE_PIXELS(fb3.pixel(167, 39), QColor(Qt::blue).rgb());
+    QFUZZY_COMPARE_PIXELS(fb3.pixel(217, 39), QColor(Qt::blue).rgb());
+    QFUZZY_COMPARE_PIXELS(fb3.pixel(192, 64), QColor(Qt::red).rgb());
 }
 
 class FBOUseInGLWidget : public QGLWidget
@@ -1089,11 +1196,11 @@ protected:
 
         QPainter fboPainter;
         fboPainterBeginOk = fboPainter.begin(fbo);
-        fboPainter.fillRect(0, 0, 128, 128, Qt::red);
+        fboPainter.fillRect(-1, -1, 130, 130, Qt::red);
         fboPainter.end();
         fboImage = fbo->toImage();
 
-        widgetPainter.fillRect(rect(), Qt::blue);
+        widgetPainter.fillRect(-1, -1, width()+2, width()+2, Qt::blue);
 
         delete fbo;
     }
@@ -1102,12 +1209,13 @@ protected:
 
 void tst_QGL::glFBOUseInGLWidget()
 {
-    if (appDefaultDepth() < 24)
-        QSKIP("This test won't work for bit depths < 24", SkipAll);
     if (!QGLFramebufferObject::hasOpenGLFramebufferObjects())
         QSKIP("QGLFramebufferObject not supported on this platform", SkipSingle);
 
     FBOUseInGLWidget w;
+#ifdef Q_WS_QWS
+    w.setWindowFlags(Qt::FramelessWindowHint);
+#endif
     w.resize(128, 128);
     w.show();
 
@@ -1122,17 +1230,15 @@ void tst_QGL::glFBOUseInGLWidget()
     QImage widgetFB = w.grabFrameBuffer(false);
     QImage widgetReference(widgetFB.size(), widgetFB.format());
     widgetReference.fill(0xff0000ff);
-    QCOMPARE(widgetFB, widgetReference);
+    QFUZZY_COMPARE_IMAGES(widgetFB, widgetReference);
 
     QImage fboReference(w.fboImage.size(), w.fboImage.format());
     fboReference.fill(0xffff0000);
-    QCOMPARE(w.fboImage, fboReference);
+    QFUZZY_COMPARE_IMAGES(w.fboImage, fboReference);
 }
 
 void tst_QGL::glWidgetReparent()
 {
-    if (appDefaultDepth() < 24)
-        QSKIP("This test won't work for bit depths < 24", SkipAll);
     // Try it as a top-level first:
     GLWidget *widget = new GLWidget;
     widget->setGeometry(0, 0, 200, 30);
@@ -1222,7 +1328,7 @@ void tst_QGL::glWidgetRenderPixmap()
     QImage reference(fb.size(), QImage::Format_RGB32);
     reference.fill(0xffff0000);
 
-    QCOMPARE(fb, reference);
+    QFUZZY_COMPARE_IMAGES(fb, reference);
 }
 
 class ColormapExtended : public QGLColormap
@@ -1495,9 +1601,10 @@ protected:
 
 void tst_QGL::replaceClipping()
 {
-    if (appDefaultDepth() < 24)
-        QSKIP("This test won't work for bit depths < 24", SkipAll);
     ReplaceClippingGLWidget glw;
+#ifdef Q_WS_QWS
+    glw.setWindowFlags(Qt::FramelessWindowHint);
+#endif
     glw.resize(300, 300);
     glw.show();
 
@@ -1513,7 +1620,13 @@ void tst_QGL::replaceClipping()
 
     const QImage widgetFB = glw.grabFrameBuffer(false).convertToFormat(QImage::Format_RGB32);
 
-    QCOMPARE(widgetFB, reference);
+    // Sample pixels in a grid pattern which avoids false failures due to
+    // off-by-one pixel errors on some buggy GL implementations
+    for (int x = 25; x < reference.width(); x += 50) {
+        for (int y = 25; y < reference.width(); y += 50) {
+            QFUZZY_COMPARE_PIXELS(widgetFB.pixel(x, y), reference.pixel(x, y));
+        }
+    }
 }
 
 class ClipTestGLWidget : public QGLWidget
@@ -1521,7 +1634,7 @@ class ClipTestGLWidget : public QGLWidget
 public:
     void paint(QPainter *painter)
     {
-        painter->fillRect(rect(), Qt::white);
+        painter->fillRect(-1, -1, width()+2, height()+2, Qt::white);
         painter->setClipRect(10, 10, width()-20, height()-20);
         painter->fillRect(rect(), Qt::cyan);
 
@@ -1622,9 +1735,10 @@ protected:
 
 void tst_QGL::clipTest()
 {
-    if (appDefaultDepth() < 24)
-        QSKIP("This test won't work for bit depths < 24", SkipAll);
     ClipTestGLWidget glw;
+#ifdef Q_WS_QWS
+    glw.setWindowFlags(Qt::FramelessWindowHint);
+#endif
     glw.resize(220, 220);
     glw.show();
 
@@ -1640,7 +1754,13 @@ void tst_QGL::clipTest()
 
     const QImage widgetFB = glw.grabFrameBuffer(false).convertToFormat(QImage::Format_RGB32);
 
-    QCOMPARE(widgetFB, reference);
+    // Sample pixels in a grid pattern which avoids false failures due to
+    // off-by-one pixel errors on some buggy GL implementations
+    for (int x = 2; x < reference.width(); x += 5) {
+        for (int y = 2; y < reference.width(); y += 5) {
+            QFUZZY_COMPARE_PIXELS(widgetFB.pixel(x, y), reference.pixel(x, y));
+        }
+    }
 }
 
 void tst_QGL::destroyFBOAfterContext()
@@ -1728,6 +1848,7 @@ void tst_QGL::shareRegister()
         delete glw1;
         QSKIP("Context sharing is not supported", SkipSingle);
     }
+    QVERIFY(glw1->isSharing());
     QVERIFY(glw1->context() != glw2->context());
 
     // Check that the first context's resource is also on the second.
diff --git a/tests/auto/qgraphicswidget/tst_qgraphicswidget.cpp b/tests/auto/qgraphicswidget/tst_qgraphicswidget.cpp
index 6b5ad09..829e55c 100644
--- a/tests/auto/qgraphicswidget/tst_qgraphicswidget.cpp
+++ b/tests/auto/qgraphicswidget/tst_qgraphicswidget.cpp
@@ -160,6 +160,7 @@ private slots:
     void widgetSendsGeometryChanges();
     void respectHFW();
     void addChildInpolishEvent();
+    void polishEvent();
 
     // Task fixes
     void task236127_bspTreeIndexFails();
@@ -2768,6 +2769,32 @@ void tst_QGraphicsWidget::addChildInpolishEvent()
     QCOMPARE(PolishWidget::numberOfPolish, 2);
 }
 
+void tst_QGraphicsWidget::polishEvent()
+{
+    class MyGraphicsWidget : public QGraphicsWidget
+    { public:
+        void paint(QPainter *, const QStyleOptionGraphicsItem *, QWidget *)
+        { events << QEvent::Paint; }
+        void polishEvent()
+        { events << QEvent::Polish; }
+        QList<QEvent::Type> events;
+    };
+
+    QGraphicsScene scene;
+
+    MyGraphicsWidget *widget = new MyGraphicsWidget;
+    scene.addItem(widget);
+
+    QGraphicsView view(&scene);
+    view.show();
+    QTest::qWaitForWindowShown(&view);
+
+    // Make sure the item is painted.
+    QTRY_VERIFY(widget->events.contains(QEvent::Paint));
+
+    // Make sure the item got polish before paint.
+    QCOMPARE(widget->events.at(0), QEvent::Polish);
+}
 
 QTEST_MAIN(tst_QGraphicsWidget)
 #include "tst_qgraphicswidget.moc"
diff --git a/tests/auto/qimagereader/images/grayscale-ref.tif b/tests/auto/qimagereader/images/grayscale-ref.tif
new file mode 100644
index 0000000..960531e
--- /dev/null
+++ b/tests/auto/qimagereader/images/grayscale-ref.tif
diff --git a/tests/auto/qimagereader/images/grayscale.tif b/tests/auto/qimagereader/images/grayscale.tif
new file mode 100644
index 0000000..5f4e114
--- /dev/null
+++ b/tests/auto/qimagereader/images/grayscale.tif
diff --git a/tests/auto/qimagereader/tst_qimagereader.cpp b/tests/auto/qimagereader/tst_qimagereader.cpp
index 05b506c..15b1c1c 100644
--- a/tests/auto/qimagereader/tst_qimagereader.cpp
+++ b/tests/auto/qimagereader/tst_qimagereader.cpp
@@ -157,6 +157,8 @@ private slots:
 
     void tiffOrientation_data();
     void tiffOrientation();
+
+    void tiffGrayscale();
 #endif
 
     void autoDetectImageFormat();
@@ -1376,6 +1378,13 @@ void tst_QImageReader::tiffOrientation()
     QCOMPARE(expectedImage, orientedImage);
 }
 
+void tst_QImageReader::tiffGrayscale()
+{
+    QImage actualImage(prefix + "grayscale.tif");
+    QImage expectedImage(prefix + "grayscale-ref.tif");
+
+    QCOMPARE(expectedImage, actualImage.convertToFormat(expectedImage.format()));
+}
 #endif
 
 void tst_QImageReader::dotsPerMeter_data()
diff --git a/tests/auto/qimagewriter/tst_qimagewriter.cpp b/tests/auto/qimagewriter/tst_qimagewriter.cpp
index ab5572d..5997f39 100644
--- a/tests/auto/qimagewriter/tst_qimagewriter.cpp
+++ b/tests/auto/qimagewriter/tst_qimagewriter.cpp
@@ -391,16 +391,27 @@ void tst_QImageWriter::readWriteNonDestructive_data()
 {
     QTest::addColumn<QImage::Format>("format");
     QTest::addColumn<QImage::Format>("expectedFormat");
-    QTest::newRow("tiff mono") << QImage::Format_Mono << QImage::Format_Mono;
-    QTest::newRow("tiff indexed") << QImage::Format_Indexed8 << QImage::Format_Indexed8;
-    QTest::newRow("tiff rgb32") << QImage::Format_ARGB32 << QImage::Format_ARGB32;
+    QTest::addColumn<bool>("grayscale");
+    QTest::newRow("tiff mono") << QImage::Format_Mono << QImage::Format_Mono << false;
+    QTest::newRow("tiff indexed") << QImage::Format_Indexed8 << QImage::Format_Indexed8 << false;
+    QTest::newRow("tiff rgb32") << QImage::Format_ARGB32 << QImage::Format_ARGB32 << false;
+    QTest::newRow("tiff grayscale") << QImage::Format_Indexed8 << QImage::Format_Indexed8 << true;
 }
 
 void tst_QImageWriter::readWriteNonDestructive()
 {
     QFETCH(QImage::Format, format);
     QFETCH(QImage::Format, expectedFormat);
+    QFETCH(bool, grayscale);
     QImage image = QImage(prefix + "colorful.bmp").convertToFormat(format);
+
+    if (grayscale) {
+        QVector<QRgb> colors;
+        for (int i = 0; i < 256; ++i)
+            colors << qRgb(i, i, i);
+        image.setColorTable(colors);
+    }
+
     QVERIFY(image.save(prefix + "gen-readWriteNonDestructive.tiff"));
 
     QImage image2 = QImage(prefix + "gen-readWriteNonDestructive.tiff");
diff --git a/tests/auto/qpixmapfilter/tst_qpixmapfilter.cpp b/tests/auto/qpixmapfilter/tst_qpixmapfilter.cpp
index a80c787..751c7dc 100644
--- a/tests/auto/qpixmapfilter/tst_qpixmapfilter.cpp
+++ b/tests/auto/qpixmapfilter/tst_qpixmapfilter.cpp
@@ -407,7 +407,7 @@ void tst_QPixmapFilter::dropShadowBoundingRectFor()
 
     filter.setBlurRadius(2);
     filter.setOffset(QPointF(0,0));
-    int delta = 2 * 2;
+    qreal delta = 2;
     QCOMPARE(filter.boundingRectFor(rect1), rect1.adjusted(-delta, -delta, delta, delta));
     QCOMPARE(filter.boundingRectFor(rect2), rect2.adjusted(-delta, -delta, delta, delta));
     QCOMPARE(filter.boundingRectFor(rect3), rect3.adjusted(-delta, -delta, delta, delta));
diff --git a/tests/auto/qvideosurfaceformat/tst_qvideosurfaceformat.cpp b/tests/auto/qvideosurfaceformat/tst_qvideosurfaceformat.cpp
index a47cb48..2b78d20 100644
--- a/tests/auto/qvideosurfaceformat/tst_qvideosurfaceformat.cpp
+++ b/tests/auto/qvideosurfaceformat/tst_qvideosurfaceformat.cpp
@@ -292,13 +292,13 @@ void tst_QVideoSurfaceFormat::frameRate_data()
     QTest::addColumn<qreal>("frameRate");
 
     QTest::newRow("null")
-            << 0.0;
+            << qreal(0.0);
     QTest::newRow("1/1")
-            << 1.0;
+            << qreal(1.0);
     QTest::newRow("24/1")
-            << 24.0;
+            << qreal(24.0);
     QTest::newRow("15/2")
-            << 7.5;
+            << qreal(7.5);
 }
 
 void tst_QVideoSurfaceFormat::frameRate()
@@ -583,7 +583,7 @@ void tst_QVideoSurfaceFormat::compare()
     QCOMPARE(format1 == format2, false);
     QCOMPARE(format1 != format2, true);
 
-    format2.setFrameRate(7.50001);
+    format2.setFrameRate(qreal(7.50001));
 
     // Equal.
     QCOMPARE(format1 == format2, true);