Merge branch '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-2 into 4.7-integration

* '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-2: (24 commits)
  Stabilize tst_QGraphicsWidget::QT_BUG_13865_doublePaintWhenAddingASubItem
  Fixed accessing freed memory in raster engine.
  Build fix for -qtnamespace.
  Fixed parsing of SVGs with absolute font sizes.
  Moving QPdf::stripSpecialCharacter to fontengine
  Revert "Fix (implement!) hfw/wfh in QGridLayoutEngine"
  Fixed a layout issue where you could get NaN as dimensions
  QTextCodec:  Fix valgrind warning when using QTextCodec in destructions functions
  Fix double painting when adding an item into a linear layout
  Fixed antialiased rasterization bug in raster engine.
  Fixed potential crash when loading corrupt GIFs.
  Work around an ATI driver problem with mutli-sampled pbuffers.
  tst_qstatemachine.cpp: fix compilation with Sun Studio
  Fixed regression in clipping.qps autotest on 64-bit.
  Fixed crash when using Qt::WA_DeleteOnClose on a QPrintDialog on Mac.
  Fixed performance regression in curve stroking.
  Don't disable texture_from_pixmap on GLX/X11 by default.
  Avoid creating copy of an image in memory when storing as png
  Doc update for the support of MSVC 2010 64-bit
  fix documentation of drawText(int, int, int, int, ...
  ...

5 files changed, 98 insertions, 361 deletions

diff --git a/tests/auto/qgraphicsgridlayout/tst_qgraphicsgridlayout.cpp b/tests/auto/qgraphicsgridlayout/tst_qgraphicsgridlayout.cpp
index 03c1d5b..5b03767 100644
--- a/tests/auto/qgraphicsgridlayout/tst_qgraphicsgridlayout.cpp
+++ b/tests/auto/qgraphicsgridlayout/tst_qgraphicsgridlayout.cpp
@@ -107,13 +107,12 @@ private slots:
     void avoidRecursionInInsertItem();
     void styleInfoLeak();
     void task236367_maxSizeHint();
-    void heightForWidth();
 };
 
 class RectWidget : public QGraphicsWidget
 {
 public:
-    RectWidget(QGraphicsItem *parent = 0) : QGraphicsWidget(parent), m_fnConstraint(0) {}
+    RectWidget(QGraphicsItem *parent = 0) : QGraphicsWidget(parent){}
 
     void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
     {
@@ -126,12 +125,9 @@ public:
 
     QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const
     {
-        if (constraint.width() < 0 && constraint.height() < 0 && m_sizeHints[which].isValid()) {
+        if (m_sizeHints[which].isValid()) {
             return m_sizeHints[which];
         }
-        if (m_fnConstraint) {
-            return m_fnConstraint(which, constraint);
-        }
         return QGraphicsWidget::sizeHint(which, constraint);
     }
 
@@ -140,13 +136,7 @@ public:
         updateGeometry();
     }
 
-    void setConstraintFunction(QSizeF (*fnConstraint)(Qt::SizeHint, const QSizeF &)) {
-        m_fnConstraint = fnConstraint;
-    }
-
     QSizeF m_sizeHints[Qt::NSizeHints];
-    QSizeF (*m_fnConstraint)(Qt::SizeHint, const QSizeF &);
-
 };
 
 struct ItemDesc
@@ -156,8 +146,7 @@ struct ItemDesc
       m_rowSpan(1),
       m_colSpan(1),
       m_sizePolicy(QSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred)),
-      m_align(0),
-      m_fnConstraint(0)
+      m_align(0)
     {
     }
 
@@ -224,20 +213,8 @@ struct ItemDesc
         return (*this);
     }
 
-    ItemDesc &heightForWidth(QSizeF (*fnConstraint)(Qt::SizeHint, const QSizeF &)) {
-        m_fnConstraint = fnConstraint;
-        m_constraintOrientation = Qt::Vertical;
-        return (*this);
-    }
-
     void apply(QGraphicsGridLayout *layout, QGraphicsWidget *item) {
-        QSizePolicy sp = m_sizePolicy;
-        if (m_fnConstraint) {
-            sp.setHeightForWidth(m_constraintOrientation == Qt::Vertical);
-            //sp.setWidthForHeight(m_constraintOrientation == Qt::Horizontal);
-        }
-
-        item->setSizePolicy(sp);
+        item->setSizePolicy(m_sizePolicy);
         for (int i = 0; i < Qt::NSizeHints; ++i) {
             if (!m_sizes[i].isValid())
                 continue;
@@ -256,7 +233,6 @@ struct ItemDesc
                 break;
             }
         }
-
         layout->addItem(item, m_pos.first, m_pos.second, m_rowSpan, m_colSpan);
         layout->setAlignment(item, m_align);
     }
@@ -264,7 +240,6 @@ struct ItemDesc
     void apply(QGraphicsGridLayout *layout, RectWidget *item) {
         for (int i = 0; i < Qt::NSizeHints; ++i)
             item->setSizeHint((Qt::SizeHint)i, m_sizeHints[i]);
-        item->setConstraintFunction(m_fnConstraint);
         apply(layout, static_cast<QGraphicsWidget*>(item));
     }
 
@@ -276,9 +251,6 @@ struct ItemDesc
     QSizeF m_sizeHints[Qt::NSizeHints];
     QSizeF m_sizes[Qt::NSizeHints];
     Qt::Alignment m_align;
-
-    Qt::Orientation m_constraintOrientation;
-    QSizeF (*m_fnConstraint)(Qt::SizeHint, const QSizeF &);
 };
 
 typedef QList<ItemDesc> ItemList;
@@ -2144,17 +2116,6 @@ void tst_QGraphicsGridLayout::alignment2()
     delete widget;
 }
 
-static QSizeF hfw1(Qt::SizeHint, const QSizeF &constraint)
-{
-    QSizeF result(constraint);
-    if (constraint.width() < 0 && constraint.height() < 0) {
-        return QSizeF(50, 400);
-    } else if (constraint.width() >= 0) {
-        result.setHeight(20000./constraint.width());
-    }
-    return result;
-}
-
 void tst_QGraphicsGridLayout::geometries_data()
 {
 
@@ -2184,186 +2145,6 @@ void tst_QGraphicsGridLayout::geometries_data()
                                 << QRectF(0, 0, 60,10) << QRectF(0, 10, 60,10)
                             );
 
-    // change layout height and verify
-    QTest::newRow("hfw-h401") << (ItemList()
-                                    << ItemDesc(0,0)
-                                        .minSize(QSizeF(1,1))
-                                        .preferredSize(QSizeF(50,10))
-                                        .maxSize(QSizeF(100, 100))
-                                    << ItemDesc(0,1)
-                                        .minSize(QSizeF(1,1))
-                                        .preferredSize(QSizeF(50,10))
-                                        .maxSize(QSizeF(100, 100))
-                                    << ItemDesc(1,0)
-                                        .minSize(QSizeF(1,1))
-                                        .preferredSize(QSizeF(50,10))
-                                        .maxSize(QSizeF(100, 100))
-                                    << ItemDesc(1,1)
-                                        .minSize(QSizeF(40,40))
-                                        .preferredSize(QSizeF(50,400))
-                                        .maxSize(QSizeF(500, 500))
-                                        .heightForWidth(hfw1)
-                                )
-                            << QSizeF(100, 401)
-                            << (RectList()
-                                << QRectF(0, 0, 50,  1) << QRectF(50, 0, 50,  1)
-                                << QRectF(0, 1, 50,100) << QRectF(50, 1, 50,400)
-                            );
-
-
-    QTest::newRow("hfw-h408") << (ItemList()
-                                    << ItemDesc(0,0)
-                                        .minSize(QSizeF(1,1))
-                                        .preferredSize(QSizeF(50,10))
-                                        .maxSize(QSizeF(100, 100))
-                                    << ItemDesc(0,1)
-                                        .minSize(QSizeF(1,1))
-                                        .preferredSize(QSizeF(50,10))
-                                        .maxSize(QSizeF(100, 100))
-                                    << ItemDesc(1,0)
-                                        .minSize(QSizeF(1,1))
-                                        .preferredSize(QSizeF(50,10))
-                                        .maxSize(QSizeF(100, 100))
-                                    << ItemDesc(1,1)
-                                        .minSize(QSizeF(40,40))
-                                        .preferredSize(QSizeF(50,400))
-                                        .maxSize(QSizeF(500, 500))
-                                        .heightForWidth(hfw1)
-                                )
-                            << QSizeF(100, 408)
-                            << (RectList()
-                                << QRectF(0, 0, 50,  8) << QRectF(50,  0, 50,  8)
-                                << QRectF(0, 8, 50,100) << QRectF(50,  8, 50,400)
-                            );
-
-    QTest::newRow("hfw-h410") << (ItemList()
-                                    << ItemDesc(0,0)
-                                        .minSize(QSizeF(1,1))
-                                        .preferredSize(QSizeF(50,10))
-                                        .maxSize(QSizeF(100, 100))
-                                    << ItemDesc(0,1)
-                                        .minSize(QSizeF(1,1))
-                                        .preferredSize(QSizeF(50,10))
-                                        .maxSize(QSizeF(100, 100))
-                                    << ItemDesc(1,0)
-                                        .minSize(QSizeF(1,1))
-                                        .preferredSize(QSizeF(50,10))
-                                        .maxSize(QSizeF(100, 100))
-                                    << ItemDesc(1,1)
-                                        .minSize(QSizeF(40,40))
-                                        .preferredSize(QSizeF(50,400))
-                                        .maxSize(QSizeF(500, 500))
-                                        .heightForWidth(hfw1)
-                                )
-                            << QSizeF(100, 410)
-                            << (RectList()
-                                << QRectF(0, 0, 50,10) << QRectF(50, 0, 50,10)
-                                << QRectF(0, 10, 50,100) << QRectF(50, 10, 50,400)
-                            );
-
-    QTest::newRow("hfw-h470") << (ItemList()
-                                    << ItemDesc(0,0)
-                                        .minSize(QSizeF(1,1))
-                                        .preferredSize(QSizeF(50,10))
-                                        .maxSize(QSizeF(100, 100))
-                                    << ItemDesc(0,1)
-                                        .minSize(QSizeF(1,1))
-                                        .preferredSize(QSizeF(50,10))
-                                        .maxSize(QSizeF(100, 100))
-                                    << ItemDesc(1,0)
-                                        .minSize(QSizeF(1,1))
-                                        .preferredSize(QSizeF(50,10))
-                                        .maxSize(QSizeF(100, 100))
-                                    << ItemDesc(1,1)
-                                        .minSize(QSizeF(40,40))
-                                        .preferredSize(QSizeF(50,400))
-                                        .maxSize(QSizeF(500, 500))
-                                        .heightForWidth(hfw1)
-                                )
-                            << QSizeF(100, 470)
-                            << (RectList()
-                                << QRectF(0, 0, 50,70) << QRectF(50, 0, 50,70)
-                                << QRectF(0, 70, 50,100) << QRectF(50, 70, 50,400)
-                            );
-
-
-    // change layout width and verify
-    QTest::newRow("hfw-w100") << (ItemList()
-                                    << ItemDesc(0,0)
-                                        .minSize(QSizeF(1,1))
-                                        .preferredSize(QSizeF(50,10))
-                                        .maxSize(QSizeF(100, 100))
-                                    << ItemDesc(0,1)
-                                        .minSize(QSizeF(1,1))
-                                        .preferredSize(QSizeF(50,10))
-                                        .maxSize(QSizeF(100, 100))
-                                    << ItemDesc(1,0)
-                                        .minSize(QSizeF(1,1))
-                                        .preferredSize(QSizeF(50,10))
-                                        .maxSize(QSizeF(100, 100))
-                                    << ItemDesc(1,1)
-                                        .minSize(QSizeF(40,40))
-                                        .preferredSize(QSizeF(50,400))
-                                        .maxSize(QSizeF(5000, 5000))
-                                        .heightForWidth(hfw1)
-                                )
-                            << QSizeF(100, 401)
-                            << (RectList()
-                                << QRectF( 0, 0,  50,   1) << QRectF( 50,  0,  50,   1)
-                                << QRectF( 0, 1,  50, 100) << QRectF( 50,  1,  50, 400)
-                            );
-
-    QTest::newRow("hfw-w160") << (ItemList()
-                                    << ItemDesc(0,0)
-                                        .minSize(QSizeF(1,1))
-                                        .preferredSize(QSizeF(50,10))
-                                        .maxSize(QSizeF(100, 100))
-                                    << ItemDesc(0,1)
-                                        .minSize(QSizeF(1,1))
-                                        .preferredSize(QSizeF(50,10))
-                                        .maxSize(QSizeF(100, 100))
-                                    << ItemDesc(1,0)
-                                        .minSize(QSizeF(1,1))
-                                        .preferredSize(QSizeF(50,10))
-                                        .maxSize(QSizeF(100, 100))
-                                    << ItemDesc(1,1)
-                                        .minSize(QSizeF(40,40))
-                                        .preferredSize(QSizeF(50,400))
-                                        .maxSize(QSizeF(5000, 5000))
-                                        .heightForWidth(hfw1)
-                                )
-                            << QSizeF(160, 401)
-                            << (RectList()
-                                << QRectF( 0,   0,  80, 100) << QRectF( 80,   0,  80, 100)
-                                << QRectF( 0, 100,  80, 100) << QRectF( 80, 100,  80, 250)
-                            );
-
-
-    QTest::newRow("hfw-w500") << (ItemList()
-                                    << ItemDesc(0,0)
-                                        .minSize(QSizeF(1,1))
-                                        .preferredSize(QSizeF(50,10))
-                                        .maxSize(QSizeF(100, 100))
-                                    << ItemDesc(0,1)
-                                        .minSize(QSizeF(1,1))
-                                        .preferredSize(QSizeF(50,10))
-                                        .maxSize(QSizeF(100, 100))
-                                    << ItemDesc(1,0)
-                                        .minSize(QSizeF(1,1))
-                                        .preferredSize(QSizeF(50,10))
-                                        .maxSize(QSizeF(100, 100))
-                                    << ItemDesc(1,1)
-                                        .minSize(QSizeF(40,40))
-                                        .preferredSize(QSizeF(50,400))
-                                        .maxSize(QSizeF(5000, 5000))
-                                        .heightForWidth(hfw1)
-                                )
-                            << QSizeF(500, 401)
-                            << (RectList()
-                                << QRectF( 0,   0, 100, 100) << QRectF(100,   0, 100, 100)
-                                << QRectF( 0, 100, 100, 100) << QRectF(100, 100, 400,  50)
-                            );
-
 }
 
 void tst_QGraphicsGridLayout::geometries()
@@ -2434,143 +2215,6 @@ void tst_QGraphicsGridLayout::task236367_maxSizeHint()
     QCOMPARE(widget->size(), QSizeF(w, h));
 }
 
-/*
-static qreal hfw(qreal w)
-{
-    if (w == 0)
-        return 20000;
-    return 20000/w;
-}
-*/
-static QSizeF hfw(Qt::SizeHint /*which*/, const QSizeF &constraint)
-{
-    QSizeF result(constraint);
-    const qreal cw = constraint.width();
-    const qreal ch = constraint.height();
-    if (cw < 0 && ch < 0) {
-        return QSizeF(200, 100);
-    } else if (cw >= 0) {
-        result.setHeight(20000./cw);
-    } else if (cw == 0) {
-        result.setHeight(20000);
-    } else if (ch >= 0) {
-        result.setWidth(20000./ch);
-    } else if (ch == 0) {
-        result.setWidth(20000);
-    }
-
-    return result;
-}
-
-static qreal growthFactorBelowPreferredSize(qreal desired, qreal sumAvailable, qreal sumDesired)
-{
-    Q_ASSERT(sumDesired != 0.0);
-    return desired * qPow(sumAvailable / sumDesired, desired / sumDesired);
-}
-
-static void expectedWidth(qreal minSize1, qreal prefSize1,
-                          qreal minSize2, qreal prefSize2,
-                          qreal targetSize, qreal *width1, qreal *width2)
-{
-    qreal sumAvail,factor1,factor2;
-    // stretch behaviour is different below and above preferred size...
-    if (targetSize < prefSize1 + prefSize2) {
-        sumAvail = targetSize - minSize1 - minSize2;
-        const qreal desired1 = prefSize1 - minSize1;
-        const qreal desired2 = prefSize2 - minSize2;
-        const qreal sumDesired = desired1 + desired2;
-        factor1 = growthFactorBelowPreferredSize(desired1, sumAvail, sumDesired);
-        factor2 = growthFactorBelowPreferredSize(desired2, sumAvail, sumDesired);
-        const qreal sumFactors = factor1 + factor2;
-        *width1 = sumAvail*factor1/sumFactors + minSize1;
-        *width2 = sumAvail*factor2/sumFactors + minSize2;
-    } else {
-        sumAvail = targetSize - prefSize1 - prefSize2;
-        factor1 = prefSize1;
-        factor2 = prefSize2;
-        const qreal sumFactors = factor1 + factor2;
-        *width1 = sumAvail*factor1/sumFactors + prefSize1;
-        *width2 = sumAvail*factor2/sumFactors + prefSize2;
-    }
-}
-
-
-bool qFuzzyCompare(const QSizeF &a, const QSizeF &b)
-{
-    return qFuzzyCompare(a.width(), b.width()) && qFuzzyCompare(a.height(), b.height());
-}
-
-void tst_QGraphicsGridLayout::heightForWidth()
-{
-    QGraphicsWidget *widget = new QGraphicsWidget;
-    QGraphicsGridLayout *layout = new QGraphicsGridLayout;
-    widget->setLayout(layout);
-    layout->setContentsMargins(0, 0, 0, 0);
-    layout->setSpacing(0);
-    RectWidget *w00 = new RectWidget;
-    w00->setSizeHint(Qt::MinimumSize, QSizeF(1,1));
-    w00->setSizeHint(Qt::PreferredSize, QSizeF(10,10));
-    w00->setSizeHint(Qt::MaximumSize, QSizeF(100,100));
-    layout->addItem(w00, 0, 0);
-
-    RectWidget *w01 = new RectWidget;
-    w01->setSizeHint(Qt::MinimumSize, QSizeF(1,1));
-    w01->setSizeHint(Qt::PreferredSize, QSizeF(10,10));
-    w01->setSizeHint(Qt::MaximumSize, QSizeF(100,100));
-    layout->addItem(w01, 0, 1);
-
-    RectWidget *w10 = new RectWidget;
-    w10->setSizeHint(Qt::MinimumSize, QSizeF(1,1));
-    w10->setSizeHint(Qt::PreferredSize, QSizeF(10,10));
-    w10->setSizeHint(Qt::MaximumSize, QSizeF(100,100));
-    layout->addItem(w10, 1, 0);
-
-    RectWidget *w11 = new RectWidget;
-    w11->setSizeHint(Qt::MinimumSize, QSizeF(1,1));
-    w11->setSizeHint(Qt::MaximumSize, QSizeF(30000,30000));
-    w11->setConstraintFunction(hfw);
-    QSizePolicy sp(QSizePolicy::Preferred, QSizePolicy::Preferred);
-    sp.setHeightForWidth(true);
-    w11->setSizePolicy(sp);
-    layout->addItem(w11, 1, 1);
-
-    QSizeF prefSize = layout->effectiveSizeHint(Qt::PreferredSize, QSizeF(-1, -1));
-    QCOMPARE(prefSize, QSizeF(10+200, 10+100));
-
-    QCOMPARE(layout->effectiveSizeHint(Qt::MinimumSize, QSizeF(2, -1)), QSizeF(2, 20001));
-    QCOMPARE(layout->effectiveSizeHint(Qt::PreferredSize, QSizeF(2, -1)), QSizeF(2, 20010));
-    QCOMPARE(layout->effectiveSizeHint(Qt::MaximumSize, QSizeF(2, -1)), QSizeF(2, 20100));
-    qreal width1;
-    qreal width2;
-    expectedWidth(1, 10, 1, 200, 20, &width1, &width2);
-    QSizeF expectedSize = hfw(Qt::MinimumSize, QSizeF(width2, -1)) + QSizeF(width1, 1);
-    QCOMPARE(layout->effectiveSizeHint(Qt::MinimumSize, QSizeF(20, -1)), expectedSize);
-    expectedSize.rheight()+=9;
-    QCOMPARE(layout->effectiveSizeHint(Qt::PreferredSize, QSizeF(20, -1)), expectedSize);
-    expectedSize.rheight()+=90;
-    QCOMPARE(layout->effectiveSizeHint(Qt::MaximumSize, QSizeF(20, -1)), expectedSize);
-
-    expectedWidth(1, 10, 1, 200, 300, &width1, &width2);
-    expectedSize = hfw(Qt::MinimumSize, QSizeF(width2, -1)) + QSizeF(width1, 1);
-    QCOMPARE(layout->effectiveSizeHint(Qt::MinimumSize, QSizeF(300, -1)), expectedSize);
-    expectedSize.rheight()+=9;
-    QCOMPARE(layout->effectiveSizeHint(Qt::PreferredSize, QSizeF(300, -1)), expectedSize);
-    // the height of the hfw widget is shorter than the one to the left, which is 100, so
-    // the total height of the last row is 100 (which leaves the layout height to be 200)
-    QCOMPARE(layout->effectiveSizeHint(Qt::MaximumSize, QSizeF(300, -1)), QSizeF(300, 200));
-
-    // the hfw item is shorter than the item to the left
-    expectedWidth(1, 10, 1, 200, 500, &width1, &width2);
-    expectedSize = hfw(Qt::MinimumSize, QSizeF(width2, -1)) + QSizeF(width1, 1);
-    QCOMPARE(layout->effectiveSizeHint(Qt::MinimumSize, QSizeF(500, -1)), expectedSize);
-    expectedSize.rheight()+=9;
-    QCOMPARE(layout->effectiveSizeHint(Qt::PreferredSize, QSizeF(500, -1)), expectedSize);
-    // the height of the hfw widget is shorter than the one to the left, which is 100, so
-    // the total height of the last row is 100 (which leaves the layout height to be 200)
-    QCOMPARE(layout->effectiveSizeHint(Qt::MaximumSize, QSizeF(500, -1)), QSizeF(500, 200));
-
-}
-
 QTEST_MAIN(tst_QGraphicsGridLayout)
 #include "tst_qgraphicsgridlayout.moc"
 
diff --git a/tests/auto/qgraphicswidget/tst_qgraphicswidget.cpp b/tests/auto/qgraphicswidget/tst_qgraphicswidget.cpp
index ddc4f73..5891075 100644
--- a/tests/auto/qgraphicswidget/tst_qgraphicswidget.cpp
+++ b/tests/auto/qgraphicswidget/tst_qgraphicswidget.cpp
@@ -184,6 +184,7 @@ private slots:
     void task250119_shortcutContext();
     void QT_BUG_6544_tabFocusFirstUnsetWhenRemovingItems();
     void QT_BUG_12056_tabFocusFirstUnsetWhenRemovingItems();
+    void QT_BUG_13865_doublePaintWhenAddingASubItem();
 };
 
 
@@ -3321,6 +3322,46 @@ void tst_QGraphicsWidget::QT_BUG_12056_tabFocusFirstUnsetWhenRemovingItems()
     //This should not crash
 }
 
+
+struct GreenWidget : public QGraphicsWidget
+{
+    GreenWidget() : count(0)
+    {
+    }
+
+    void paint ( QPainter * painter, const QStyleOptionGraphicsItem * option, QWidget * )
+    {
+        count++;
+        painter->setPen(Qt::green);
+        painter->drawRect(option->rect.adjusted(0,0,-1,-1));
+    }
+
+    int count;
+};
+
+void tst_QGraphicsWidget::QT_BUG_13865_doublePaintWhenAddingASubItem()
+{
+    QGraphicsScene scene;
+    QGraphicsView view(&scene);
+    QGraphicsWidget *widget =  new QGraphicsWidget;
+    widget->resize(100, 100);
+    scene.addItem(widget);
+    QGraphicsLinearLayout *layout = new QGraphicsLinearLayout(widget);
+
+    view.show();
+    QTest::qWaitForWindowShown(&view);
+    QApplication::processEvents();
+
+
+    GreenWidget *sub =  new GreenWidget;
+    layout->addItem(sub);
+
+    QTest::qWait(100);
+    QCOMPARE(sub->count, 1); //it should only be painted once
+
+}
+
+
 QTEST_MAIN(tst_QGraphicsWidget)
 #include "tst_qgraphicswidget.moc"
 
diff --git a/tests/auto/qimagereader/tst_qimagereader.cpp b/tests/auto/qimagereader/tst_qimagereader.cpp
index 3bee5d9..4b4bdd6 100644
--- a/tests/auto/qimagereader/tst_qimagereader.cpp
+++ b/tests/auto/qimagereader/tst_qimagereader.cpp
@@ -178,6 +178,8 @@ private slots:
     void testIgnoresFormatAndExtension_data();
     void testIgnoresFormatAndExtension();
 
+    void saveFormat_data();
+    void saveFormat();
 };
 
 static const QLatin1String prefix(SRCDIR "/images/");
@@ -1905,5 +1907,46 @@ void tst_QImageReader::testIgnoresFormatAndExtension()
     }
 }
 
+
+void tst_QImageReader::saveFormat_data()
+{
+    QTest::addColumn<QImage::Format>("format");
+
+    QTest::newRow("Format_Mono") << QImage::Format_Mono;
+    QTest::newRow("Format_MonoLSB") << QImage::Format_MonoLSB;
+    QTest::newRow("Format_Indexed8") << QImage::Format_Indexed8;
+    QTest::newRow("Format_RGB32") << QImage::Format_RGB32;
+    QTest::newRow("Format_ARGB32") << QImage::Format_ARGB32;
+    QTest::newRow("Format_ARGB32_Premultiplied") << QImage::Format_ARGB32_Premultiplied;
+    QTest::newRow("Format_RGB16") << QImage::Format_RGB16;
+    QTest::newRow("Format_ARGB8565_Premultiplied") << QImage::Format_ARGB8565_Premultiplied;
+    QTest::newRow("Format_RGB666") << QImage::Format_RGB666;
+    QTest::newRow("Format_ARGB6666_Premultiplied") << QImage::Format_ARGB6666_Premultiplied;
+    QTest::newRow("Format_RGB555") << QImage::Format_RGB555;
+    QTest::newRow("Format_ARGB8555_Premultiplied") << QImage::Format_ARGB8555_Premultiplied;
+    QTest::newRow("Format_RGB888") << QImage::Format_RGB888;
+    QTest::newRow("Format_RGB444") << QImage::Format_RGB444;
+    QTest::newRow("Format_ARGB4444_Premultiplied") << QImage::Format_ARGB4444_Premultiplied;
+}
+
+void tst_QImageReader::saveFormat()
+{
+    QFETCH(QImage::Format, format);
+
+    QImage orig(":/images/kollada.png");
+
+    QImage converted = orig.convertToFormat(format);
+    QBuffer buf;
+    buf.open(QIODevice::WriteOnly);
+    QVERIFY(converted.save(&buf, "png"));
+    buf.close();
+    QImage stored = QImage::fromData(buf.buffer(), "png");
+
+    stored = stored.convertToFormat(QImage::Format_ARGB32);
+    converted = converted.convertToFormat(QImage::Format_ARGB32);
+    QCOMPARE(stored, converted);
+}
+
+
 QTEST_MAIN(tst_QImageReader)
 #include "tst_qimagereader.moc"
diff --git a/tests/auto/qstatemachine/tst_qstatemachine.cpp b/tests/auto/qstatemachine/tst_qstatemachine.cpp
index 2bf76e7..f6aee88 100644
--- a/tests/auto/qstatemachine/tst_qstatemachine.cpp
+++ b/tests/auto/qstatemachine/tst_qstatemachine.cpp
@@ -1112,7 +1112,7 @@ void tst_QStateMachine::machineWithParent()
     QObject object;
     QStateMachine *machine = new QStateMachine(&object);
     QCOMPARE(machine->parent(), &object);
-    QCOMPARE(machine->parentState(), (QObject*)0);
+    QCOMPARE(machine->parentState(), static_cast<QState*>(0));
 }
 
 void tst_QStateMachine::addAndRemoveState()
diff --git a/tests/auto/qtextcodec/tst_qtextcodec.cpp b/tests/auto/qtextcodec/tst_qtextcodec.cpp
index cc41591..3d8f1a3 100644
--- a/tests/auto/qtextcodec/tst_qtextcodec.cpp
+++ b/tests/auto/qtextcodec/tst_qtextcodec.cpp
@@ -2236,6 +2236,15 @@ void tst_QTextCodec::moreToFromUnicode()
     QCOMPARE(testData, cStr);
 }
 
+struct DontCrashAtExit {
+    ~DontCrashAtExit() {
+        QTextCodec *c = QTextCodec::codecForName("utf8");
+        if (c)
+            c->toUnicode("azerty");
+
+    }
+} dontCrashAtExit;
+
 
 QTEST_MAIN(tst_QTextCodec)
 #include "tst_qtextcodec.moc"