Merge remote-tracking branch 'origin/5.9' into dev

Change-Id: I172e3e19ddcc5b7665e6c8382d725e7cc4f9794f

examples/widgets/graphicsview/boxes/3rdparty/fbm.c

@@ -106,7 +106,7 @@ float noise3(float vec[3])
 {
     int bx0, bx1, by0, by1, bz0, bz1, b00, b10, b01, b11;
     float rx0, rx1, ry0, ry1, rz0, rz1, *q, sy, sz, a, b, c, d, t, u, v;
-    register int i, j;
+    int i, j;
 
     if (start) {
 	start = 0;

mkspecs/features/qt_configure.prf

@@ -1919,8 +1919,10 @@ qtConfCheckErrors()
         for (k, $${currentConfig}.features._KEYS_) {
             pp = $$eval($${currentConfig}.features.$${k}.purpose)
             !isEmpty(pp) {
+                pfx = $$eval($${currentConfig}.features.$${k}.section)
+                !isEmpty(pfx): pfx = "$$pfx: "
                 all_ft += $$qtConfPadCols($$k, ".......................", \
-                                          $$section(pp, $$escape_expand(\\n), 0, 0))
+                                          $$pfx$$section(pp, $$escape_expand(\\n), 0, 0))
             }
         }
     }

mkspecs/features/winrt/default_pre.prf

@@ -9,6 +9,6 @@ CONFIG(debug, debug|release): \
 else: \
     QMAKE_LIBS = ucrt.lib vcruntime.lib $$QMAKE_LIBS
 
-equals(TEMPLATE, "vcapp"): CONFIG += windeployqt
+equals(TEMPLATE, "vcapp"):!static: CONFIG += windeployqt
 
 load(default_pre)

src/corelib/io/qdiriterator.cpp

@@ -204,6 +204,8 @@ void QDirIteratorPrivate::pushDirectory(const QFileInfo &fileInfo)
         QFileSystemIterator *it = new QFileSystemIterator(fileInfo.d_ptr->fileEntry,
             filters, nameFilters, iteratorFlags);
         nativeIterators << it;
+#else
+        qWarning("Qt was built with -no-feature-filesystemiterator: no files/plugins will be found!");
 #endif
     }
 }

src/corelib/itemmodels/qitemselectionmodel.cpp

@@ -942,13 +942,14 @@ static QItemSelection mergeRowLengths(const QVector<QPair<QPersistentModelIndex,
             const uint nextLength = rowLengths.at(i).second;
             if ((nextLength == length)
                 && (next.row() == br.row() + 1)
+                && (next.column() == br.column())
                 && (next.parent() == br.parent())) {
                 br = next;
             } else {
                 break;
             }
         }
-        result.append(QItemSelectionRange(tl, br.sibling(br.row(),  length - 1)));
+        result.append(QItemSelectionRange(tl, br.sibling(br.row(), br.column() + length - 1)));
     }
     return result;
 }

src/corelib/kernel/qeventdispatcher_win.cpp

@@ -860,7 +860,7 @@ bool QEventDispatcherWin32::unregisterTimers(QObject *object)
     Q_D(QEventDispatcherWin32);
     if (d->timerVec.isEmpty())
         return false;
-    register WinTimerInfo *t;
+    WinTimerInfo *t;
     for (int i=0; i<d->timerVec.size(); i++) {
         t = d->timerVec.at(i);
         if (t && t->obj == object) {                // object found
@@ -957,7 +957,7 @@ int QEventDispatcherWin32::remainingTime(int timerId)
 
     quint64 currentTime = qt_msectime();
 
-    register WinTimerInfo *t;
+    WinTimerInfo *t;
     for (int i=0; i<d->timerVec.size(); i++) {
         t = d->timerVec.at(i);
         if (t && t->timerId == timerId) {                // timer found

src/network/access/qhttp2protocolhandler.cpp

@@ -528,7 +528,7 @@ void QHttp2ProtocolHandler::handleDATA()
         auto &stream = activeStreams[streamID];
 
         if (qint32(inboundFrame.payloadSize()) > stream.recvWindow) {
-            finishStreamWithError(stream, QNetworkReply::ProtocolInvalidOperationError,
+            finishStreamWithError(stream, QNetworkReply::ProtocolFailure,
                                   QLatin1String("flow control error"));
             sendRST_STREAM(streamID, FLOW_CONTROL_ERROR);
             markAsReset(streamID);
@@ -834,7 +834,7 @@ void QHttp2ProtocolHandler::handleWINDOW_UPDATE()
         }
         auto &stream = activeStreams[streamID];
         if (!valid || sum_will_overflow(stream.sendWindow, delta)) {
-            finishStreamWithError(stream, QNetworkReply::ProtocolInvalidOperationError,
+            finishStreamWithError(stream, QNetworkReply::ProtocolFailure,
                                   QLatin1String("invalid WINDOW_UPDATE delta"));
             sendRST_STREAM(streamID, PROTOCOL_ERROR);
             markAsReset(streamID);
@@ -888,7 +888,7 @@ void QHttp2ProtocolHandler::handleContinuedHEADERS()
                 // We can receive HEADERS on streams initiated by our requests
                 // (these streams are in halfClosedLocal state) or remote-reserved
                 // streams from a server's PUSH_PROMISE.
-                finishStreamWithError(stream, QNetworkReply::ProtocolInvalidOperationError,
+                finishStreamWithError(stream, QNetworkReply::ProtocolFailure,
                                       QLatin1String("HEADERS on invalid stream"));
                 sendRST_STREAM(streamID, CANCEL);
                 markAsReset(streamID);
@@ -977,7 +977,7 @@ bool QHttp2ProtocolHandler::acceptSetting(Http2::Settings identifier, quint32 ne
 
         for (auto id : brokenStreams) {
             auto &stream = activeStreams[id];
-            finishStreamWithError(stream, QNetworkReply::ProtocolInvalidOperationError,
+            finishStreamWithError(stream, QNetworkReply::ProtocolFailure,
                                   QLatin1String("SETTINGS window overflow"));
             sendRST_STREAM(id, PROTOCOL_ERROR);
             markAsReset(id);

src/plugins/platforms/cocoa/qnsview.mm

@@ -237,7 +237,7 @@ static bool _q_dontOverrideCtrlLMB = false;
 
 - (void)viewDidMoveToSuperview
 {
-    if (m_platformWindow.isNull())
+    if (!m_platformWindow)
         return;
 
     if (!(m_platformWindow->m_viewIsToBeEmbedded))
@@ -260,7 +260,7 @@ static bool _q_dontOverrideCtrlLMB = false;
 
 - (QWindow *)topLevelWindow
 {
-    if (m_platformWindow.isNull())
+    if (!m_platformWindow)
         return nullptr;
 
     QWindow *focusWindow = m_platformWindow->window();
@@ -278,7 +278,7 @@ static bool _q_dontOverrideCtrlLMB = false;
 
 - (void)updateGeometry
 {
-    if (m_platformWindow.isNull())
+    if (!m_platformWindow)
         return;
 
     QRect geometry;
@@ -439,6 +439,9 @@ static bool _q_dontOverrideCtrlLMB = false;
 
 - (void)drawRect:(NSRect)dirtyRect
 {
+    if (!m_platformWindow)
+        return;
+
     qCDebug(lcQpaCocoaWindow) << "[QNSView drawRect:]" << m_platformWindow->window() << QRectF::fromCGRect(NSRectToCGRect(dirtyRect));
 
 #ifndef QT_NO_OPENGL
@@ -627,7 +630,7 @@ static bool _q_dontOverrideCtrlLMB = false;
 
 - (void)handleMouseEvent:(NSEvent *)theEvent
 {
-    if (m_platformWindow.isNull())
+    if (!m_platformWindow)
         return;
 
     // Tablet events may come in via the mouse event handlers,
@@ -644,7 +647,7 @@ static bool _q_dontOverrideCtrlLMB = false;
         else
             m_platformWindow->m_forwardWindow.clear();
     }
-    if (targetView->m_platformWindow.isNull())
+    if (!targetView.platformWindow)
         return;
 
     // Popups implicitly grap mouse events; forward to the active popup if there is one
@@ -670,7 +673,7 @@ static bool _q_dontOverrideCtrlLMB = false;
 
 - (void)handleFrameStrutMouseEvent:(NSEvent *)theEvent
 {
-    if (m_platformWindow.isNull())
+    if (!m_platformWindow)
         return;
 
     // get m_buttons in sync
@@ -955,7 +958,7 @@ static bool _q_dontOverrideCtrlLMB = false;
 
 - (void)mouseMovedImpl:(NSEvent *)theEvent
 {
-    if (m_platformWindow.isNull())
+    if (!m_platformWindow)
         return;
 
     if ([self isTransparentForUserInput])
@@ -989,7 +992,7 @@ static bool _q_dontOverrideCtrlLMB = false;
 - (void)mouseEnteredImpl:(NSEvent *)theEvent
 {
     Q_UNUSED(theEvent)
-    if (m_platformWindow.isNull())
+    if (!m_platformWindow)
         return;
 
     m_platformWindow->m_windowUnderMouse = true;
@@ -1011,7 +1014,7 @@ static bool _q_dontOverrideCtrlLMB = false;
 - (void)mouseExitedImpl:(NSEvent *)theEvent
 {
     Q_UNUSED(theEvent);
-    if (m_platformWindow.isNull())
+    if (!m_platformWindow)
         return;
 
     m_platformWindow->m_windowUnderMouse = false;
@@ -1040,7 +1043,7 @@ Q_GLOBAL_STATIC(QCocoaTabletDeviceDataHash, tabletDeviceDataHash)
 
 - (bool)handleTabletEvent: (NSEvent *)theEvent
 {
-    if (m_platformWindow.isNull())
+    if (!m_platformWindow)
         return false;
 
     NSEventType eventType = [theEvent type];
@@ -1200,7 +1203,7 @@ static QTabletEvent::TabletDevice wacomTabletDevice(NSEvent *theEvent)
 
 - (bool)shouldSendSingleTouch
 {
-    if (m_platformWindow.isNull())
+    if (!m_platformWindow)
         return true;
 
     // QtWidgets expects single-point touch events, QtDeclarative does not.
@@ -1210,7 +1213,7 @@ static QTabletEvent::TabletDevice wacomTabletDevice(NSEvent *theEvent)
 
 - (void)touchesBeganWithEvent:(NSEvent *)event
 {
-    if (m_platformWindow.isNull())
+    if (!m_platformWindow)
         return;
 
     const NSTimeInterval timestamp = [event timestamp];
@@ -1221,7 +1224,7 @@ static QTabletEvent::TabletDevice wacomTabletDevice(NSEvent *theEvent)
 
 - (void)touchesMovedWithEvent:(NSEvent *)event
 {
-    if (m_platformWindow.isNull())
+    if (!m_platformWindow)
         return;
 
     const NSTimeInterval timestamp = [event timestamp];
@@ -1232,7 +1235,7 @@ static QTabletEvent::TabletDevice wacomTabletDevice(NSEvent *theEvent)
 
 - (void)touchesEndedWithEvent:(NSEvent *)event
 {
-    if (m_platformWindow.isNull())
+    if (!m_platformWindow)
         return;
 
     const NSTimeInterval timestamp = [event timestamp];
@@ -1243,7 +1246,7 @@ static QTabletEvent::TabletDevice wacomTabletDevice(NSEvent *theEvent)
 
 - (void)touchesCancelledWithEvent:(NSEvent *)event
 {
-    if (m_platformWindow.isNull())
+    if (!m_platformWindow)
         return;
 
     const NSTimeInterval timestamp = [event timestamp];
@@ -1273,7 +1276,7 @@ static QTabletEvent::TabletDevice wacomTabletDevice(NSEvent *theEvent)
 }
 - (void)magnifyWithEvent:(NSEvent *)event
 {
-    if (m_platformWindow.isNull())
+    if (!m_platformWindow)
         return;
 
     if ([self handleGestureAsBeginEnd:event])
@@ -1290,7 +1293,7 @@ static QTabletEvent::TabletDevice wacomTabletDevice(NSEvent *theEvent)
 
 - (void)smartMagnifyWithEvent:(NSEvent *)event
 {
-    if (m_platformWindow.isNull())
+    if (!m_platformWindow)
         return;
 
     static bool zoomIn = true;
@@ -1306,7 +1309,7 @@ static QTabletEvent::TabletDevice wacomTabletDevice(NSEvent *theEvent)
 
 - (void)rotateWithEvent:(NSEvent *)event
 {
-    if (m_platformWindow.isNull())
+    if (!m_platformWindow)
         return;
 
     if ([self handleGestureAsBeginEnd:event])
@@ -1322,7 +1325,7 @@ static QTabletEvent::TabletDevice wacomTabletDevice(NSEvent *theEvent)
 
 - (void)swipeWithEvent:(NSEvent *)event
 {
-    if (m_platformWindow.isNull())
+    if (!m_platformWindow)
         return;
 
     qCDebug(lcQpaGestures) << "swipeWithEvent" << [event deltaX] << [event deltaY];
@@ -1347,7 +1350,7 @@ static QTabletEvent::TabletDevice wacomTabletDevice(NSEvent *theEvent)
 
 - (void)beginGestureWithEvent:(NSEvent *)event
 {
-    if (m_platformWindow.isNull())
+    if (!m_platformWindow)
         return;
 
     const NSTimeInterval timestamp = [event timestamp];
@@ -1361,7 +1364,7 @@ static QTabletEvent::TabletDevice wacomTabletDevice(NSEvent *theEvent)
 
 - (void)endGestureWithEvent:(NSEvent *)event
 {
-    if (m_platformWindow.isNull())
+    if (!m_platformWindow)
         return;
 
     qCDebug(lcQpaGestures) << "endGestureWithEvent";
@@ -1377,7 +1380,7 @@ static QTabletEvent::TabletDevice wacomTabletDevice(NSEvent *theEvent)
 #ifndef QT_NO_WHEELEVENT
 - (void)scrollWheel:(NSEvent *)theEvent
 {
-    if (m_platformWindow.isNull())
+    if (!m_platformWindow)
         return;
 
     if ([self isTransparentForUserInput])
@@ -1879,6 +1882,9 @@ static QTabletEvent::TabletDevice wacomTabletDevice(NSEvent *theEvent)
 
 - (NSArray*)validAttributesForMarkedText
 {
+    if (!m_platformWindow)
+        return nil;
+
     if (m_platformWindow->window() != QGuiApplication::focusWindow())
         return nil;
 
@@ -2050,7 +2056,7 @@ static QPoint mapWindowCoordinates(QWindow *source, QWindow *target, QPoint poin
 // Sends drag update to Qt, return the action
 - (NSDragOperation)handleDrag:(id <NSDraggingInfo>)sender
 {
-    if (m_platformWindow.isNull())
+    if (!m_platformWindow)
         return NSDragOperationNone;
 
     NSPoint windowPoint = [self convertPoint: [sender draggingLocation] fromView: nil];
@@ -2080,7 +2086,7 @@ static QPoint mapWindowCoordinates(QWindow *source, QWindow *target, QPoint poin
 
 - (void)draggingExited:(id <NSDraggingInfo>)sender
 {
-    if (m_platformWindow.isNull())
+    if (!m_platformWindow)
         return;
 
     QWindow *target = findEventTargetWindow(m_platformWindow->window());
@@ -2097,7 +2103,7 @@ static QPoint mapWindowCoordinates(QWindow *source, QWindow *target, QPoint poin
 // called on drop, send the drop to Qt and return if it was accepted.
 - (BOOL)performDragOperation:(id <NSDraggingInfo>)sender
 {
-    if (m_platformWindow.isNull())
+    if (!m_platformWindow)
         return false;
 
     QWindow *target = findEventTargetWindow(m_platformWindow->window());
@@ -2131,7 +2137,7 @@ static QPoint mapWindowCoordinates(QWindow *source, QWindow *target, QPoint poin
     Q_UNUSED(session);
     Q_UNUSED(operation);
 
-    if (m_platformWindow.isNull())
+    if (!m_platformWindow)
         return;
 
     QWindow *target = findEventTargetWindow(m_platformWindow->window());

src/plugins/platforms/windows/qwindowswindow.cpp

@@ -1695,6 +1695,16 @@ static inline bool dwmIsCompositionEnabled()
     return SUCCEEDED(DwmIsCompositionEnabled(&dWmCompositionEnabled)) && dWmCompositionEnabled == TRUE;
 }
 
+static inline bool isSoftwareGl()
+{
+#if QT_CONFIG(dynamicgl)
+    return QOpenGLStaticContext::opengl32.moduleIsNotOpengl32()
+        && QOpenGLContext::openGLModuleType() == QOpenGLContext::LibGL;
+#else
+    return false;
+#endif // dynamicgl
+}
+
 bool QWindowsWindow::handleWmPaint(HWND hwnd, UINT message,
                                          WPARAM, LPARAM)
 {
@@ -1706,15 +1716,10 @@ bool QWindowsWindow::handleWmPaint(HWND hwnd, UINT message,
         return false;
     PAINTSTRUCT ps;
 
-#if QT_CONFIG(dynamicgl)
-    // QTBUG-58178: GL software rendering needs InvalidateRect() to suppress
-    // artifacts while resizing.
-    if (testFlag(OpenGLSurface)
-        && QOpenGLStaticContext::opengl32.moduleIsNotOpengl32()
-        && QOpenGLContext::openGLModuleType() == QOpenGLContext::LibGL) {
+    // GL software rendering (QTBUG-58178) and Windows 7/Aero off with some AMD cards
+    // (QTBUG-60527) need InvalidateRect() to suppress artifacts while resizing.
+    if (testFlag(OpenGLSurface) && (isSoftwareGl() || !dwmIsCompositionEnabled()))
         InvalidateRect(hwnd, 0, false);
-    }
-#endif // dynamicgl
 
     BeginPaint(hwnd, &ps);
 

tests/auto/corelib/global/qlogging/app/app.pro

@@ -13,5 +13,5 @@ DEFINES += QT_MESSAGELOGCONTEXT
 
 gcc:!mingw:!haiku {
     QMAKE_LFLAGS += -rdynamic
-    contains(QT_ARCH, arm): QMAKE_CXXFLAGS += -funwind-tables
+    contains(QT_ARCH, arm): QMAKE_CXXFLAGS += -funwind-tables -fno-inline
 }

tests/auto/corelib/itemmodels/qitemselectionmodel/tst_qitemselectionmodel.cpp

@@ -92,6 +92,9 @@ private slots:
     void QTBUG48402_data();
     void QTBUG48402();
 
+    void QTBUG58851_data();
+    void QTBUG58851();
+
 private:
     QAbstractItemModel *model;
     QItemSelectionModel *selection;
@@ -2848,5 +2851,76 @@ void tst_QItemSelectionModel::QTBUG48402()
     QCOMPARE(QItemSelectionRange(helper.tl, helper.br), QItemSelectionRange(dtl, dbr));
 }
 
+void tst_QItemSelectionModel::QTBUG58851_data()
+{
+    using IntPair = std::pair<int, int>;
+    using IntPairList = QList<IntPair>;
+    using IntPairPair = std::pair<IntPair, IntPair>;
+    using IntPairPairList = QList<IntPairPair>;
+
+    QTest::addColumn<IntPairPairList>("rangesToSelect");
+    QTest::addColumn<IntPairList>("expectedSelectedIndexesPairs");
+    QTest::newRow("Single index in > 0 column")
+            << (IntPairPairList() << IntPairPair(IntPair(0, 1), IntPair(0, 1)))
+            << (IntPairList() << IntPair(0, 1));
+    QTest::newRow("Rectangle in > 0 column")
+            << (IntPairPairList() << IntPairPair(IntPair(0, 1), IntPair(1, 2)))
+            << (IntPairList() << IntPair(0, 1) << IntPair(0, 2) << IntPair(1, 1) << IntPair(1, 2));
+    QTest::newRow("Diagonal in > 0 column")
+            << (IntPairPairList()
+                << IntPairPair(IntPair(0, 1), IntPair(0, 1))
+                << IntPairPair(IntPair(1, 2), IntPair(1, 2))
+                << IntPairPair(IntPair(2, 3), IntPair(2, 3)))
+            << (IntPairList()
+                << IntPair(0, 1)
+                << IntPair(1, 2)
+                << IntPair(2, 3));
+}
+
+void tst_QItemSelectionModel::QTBUG58851()
+{
+    using IntPair = std::pair<int, int>;
+    using IntPairList = QList<IntPair>;
+    using IntPairPair = std::pair<IntPair, IntPair>;
+    using IntPairPairList = QList<IntPairPair>;
+
+    QFETCH(IntPairPairList, rangesToSelect);
+    QFETCH(IntPairList, expectedSelectedIndexesPairs);
+
+    QStandardItemModel model(4, 4);
+    for (int row = 0; row < model.rowCount(); ++row) {
+        for (int column = 0; column < model.columnCount(); ++column) {
+            QStandardItem *item = new QStandardItem(QString("%0%1").arg(row).arg(column));
+            model.setItem(row, column, item);
+        }
+    }
+
+    QSortFilterProxyModel proxy;
+    proxy.setSourceModel(&model);
+    proxy.setSortRole(Qt::DisplayRole);
+
+    std::vector<QPersistentModelIndex> expectedSelectedIndexes;
+    for (const IntPair &index : expectedSelectedIndexesPairs)
+        expectedSelectedIndexes.emplace_back(proxy.index(index.first, index.second));
+
+    QItemSelectionModel selections(&proxy);
+    for (const IntPairPair &range : rangesToSelect) {
+        const IntPair &tl = range.first;
+        const IntPair &br = range.second;
+        selections.select(QItemSelection(proxy.index(tl.first, tl.second),
+                                         proxy.index(br.first, br.second)),
+                          QItemSelectionModel::Select);
+    }
+
+    for (const QPersistentModelIndex &i : expectedSelectedIndexes) {
+        QVERIFY(selections.isSelected(i));
+    }
+    proxy.sort(1, Qt::DescendingOrder);
+    QCOMPARE(selections.selectedIndexes().count(), (int)expectedSelectedIndexes.size());
+    for (const QPersistentModelIndex &i : expectedSelectedIndexes) {
+        QVERIFY(selections.isSelected(i));
+    }
+}
+
 QTEST_MAIN(tst_QItemSelectionModel)
 #include "tst_qitemselectionmodel.moc"

tests/auto/corelib/kernel/qobject/tst_qobject.cpp

@@ -6968,309 +6968,261 @@ void tst_QObject::checkArgumentsForNarrowing()
     enum UnscopedEnum {};
     enum SignedUnscopedEnum { SignedUnscopedEnumV1 = -1, SignedUnscopedEnumV2 = 1 };
 
-    QVERIFY(sizeof(UnscopedEnum) <= sizeof(int));
-    QVERIFY(sizeof(SignedUnscopedEnum) <= sizeof(int));
+    // a constexpr would suffice, but MSVC2013 RTM doesn't support them...
+#define IS_UNSCOPED_ENUM_SIGNED (std::is_signed<typename std::underlying_type<UnscopedEnum>::type>::value)
+
+#define NARROWS_IF(x, y, test) Q_STATIC_ASSERT((QtPrivate::AreArgumentsNarrowedBase<x, y>::value) == (test))
+#define FITS_IF(x, y, test)    Q_STATIC_ASSERT((QtPrivate::AreArgumentsNarrowedBase<x, y>::value) != (test))
+#define NARROWS(x, y)          NARROWS_IF(x, y, true)
+#define FITS(x, y)             FITS_IF(x, y, true)
+
+    Q_STATIC_ASSERT(sizeof(UnscopedEnum) <= sizeof(int));
+    Q_STATIC_ASSERT(sizeof(SignedUnscopedEnum) <= sizeof(int));
 
     // floating point to integral
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<float, bool>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<double, bool>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<long double, bool>::value));
+    NARROWS(float, bool);
+    NARROWS(double, bool);
+    NARROWS(long double, bool);
 
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<float, char>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<double, char>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<long double, char>::value));
+    NARROWS(float, char);
+    NARROWS(double, char);
+    NARROWS(long double, char);
 
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<float, short>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<double, short>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<long double, short>::value));
+    NARROWS(float, short);
+    NARROWS(double, short);
+    NARROWS(long double, short);
 
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<float, int>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<double, int>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<long double, int>::value));
+    NARROWS(float, int);
+    NARROWS(double, int);
+    NARROWS(long double, int);
 
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<float, long>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<double, long>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<long double, long>::value));
+    NARROWS(float, long);
+    NARROWS(double, long);
+    NARROWS(long double, long);
 
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<float, long long>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<double, long long>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<long double, long long>::value));
+    NARROWS(float, long long);
+    NARROWS(double, long long);
+    NARROWS(long double, long long);
 
 
     // floating point to a smaller floating point
-    if (sizeof(double) > sizeof(float)) {
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<double, float>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<long double, float>::value));
-    }
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<float, double>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<float, long double>::value));
+    NARROWS_IF(double, float, (sizeof(double) > sizeof(float)));
+    NARROWS_IF(long double, float, (sizeof(long double) > sizeof(float)));
+    FITS(float, double);
+    FITS(float, long double);
 
-    if (sizeof(long double) > sizeof(double))
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<long double, float>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<double, long double>::value));
+    NARROWS_IF(long double, double, (sizeof(long double) > sizeof(double)));
+    FITS(double, long double);
 
 
     // integral to floating point
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<bool, float>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<bool, double>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<bool, long double>::value));
+    NARROWS(bool, float);
+    NARROWS(bool, double);
+    NARROWS(bool, long double);
 
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<char, float>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<char, double>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<char, long double>::value));
+    NARROWS(char, float);
+    NARROWS(char, double);
+    NARROWS(char, long double);
 
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<short, float>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<short, double>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<short, long double>::value));
+    NARROWS(short, float);
+    NARROWS(short, double);
+    NARROWS(short, long double);
 
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<int, float>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<int, double>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<int, long double>::value));
+    NARROWS(int, float);
+    NARROWS(int, double);
+    NARROWS(int, long double);
 
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<long, float>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<long, double>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<long, long double>::value));
+    NARROWS(long, float);
+    NARROWS(long, double);
+    NARROWS(long, long double);
 
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<long long, float>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<long long, double>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<long long, long double>::value));
+    NARROWS(long long, float);
+    NARROWS(long long, double);
+    NARROWS(long long, long double);
 
 
     // enum to floating point
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<UnscopedEnum, float>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<UnscopedEnum, double>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<UnscopedEnum, long double>::value));
+    NARROWS(UnscopedEnum, float);
+    NARROWS(UnscopedEnum, double);
+    NARROWS(UnscopedEnum, long double);
 
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<SignedUnscopedEnum, float>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<SignedUnscopedEnum, double>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<SignedUnscopedEnum, long double>::value));
+    NARROWS(SignedUnscopedEnum, float);
+    NARROWS(SignedUnscopedEnum, double);
+    NARROWS(SignedUnscopedEnum, long double);
 
 
     // integral to smaller integral
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<bool, bool>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<char, char>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<signed char, signed char>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<signed char, short>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<signed char, int>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<signed char, long>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<signed char, long long>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<unsigned char, unsigned char>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<unsigned char, unsigned short>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<unsigned char, unsigned int>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<unsigned char, unsigned long>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<unsigned char, unsigned long long>::value));
+    FITS(bool, bool);
+    FITS(char, char);
+    FITS(signed char, signed char);
+    FITS(signed char, short);
+    FITS(signed char, int);
+    FITS(signed char, long);
+    FITS(signed char, long long);
+    FITS(unsigned char, unsigned char);
+    FITS(unsigned char, unsigned short);
+    FITS(unsigned char, unsigned int);
+    FITS(unsigned char, unsigned long);
+    FITS(unsigned char, unsigned long long);
 
-    if (sizeof(bool) > sizeof(char))
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<bool, unsigned char>::value));
-    else
-        QVERIFY(!(QtPrivate::AreArgumentsNarrowedBase<bool, unsigned char>::value));
+    NARROWS_IF(bool, unsigned char, (sizeof(bool) > sizeof(char) || std::is_signed<bool>::value));
+    NARROWS_IF(bool, unsigned short, (sizeof(bool) > sizeof(short) || std::is_signed<bool>::value));
+    NARROWS_IF(bool, unsigned int, (sizeof(bool) > sizeof(int) || std::is_signed<bool>::value));
+    NARROWS_IF(bool, unsigned long, (sizeof(bool) > sizeof(long) || std::is_signed<bool>::value));
+    NARROWS_IF(bool, unsigned long long, (sizeof(bool) > sizeof(long long) || std::is_signed<bool>::value));
 
-    if (sizeof(bool) > sizeof(short))
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<bool, unsigned short>::value));
-    else
-        QVERIFY(!(QtPrivate::AreArgumentsNarrowedBase<bool, unsigned short>::value));
+    NARROWS_IF(short, char, (sizeof(short) > sizeof(char) || std::is_unsigned<char>::value));
+    NARROWS_IF(short, unsigned char, (sizeof(short) > sizeof(char)));
+    NARROWS_IF(short, signed char, (sizeof(short) > sizeof(char)));
 
-    if (sizeof(bool) > sizeof(int))
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<bool, unsigned int>::value));
-    else
-        QVERIFY(!(QtPrivate::AreArgumentsNarrowedBase<bool, unsigned int>::value));
+    NARROWS_IF(unsigned short, char, (sizeof(short) > sizeof(char) || std::is_signed<char>::value));
+    NARROWS_IF(unsigned short, unsigned char, (sizeof(short) > sizeof(char)));
+    NARROWS_IF(unsigned short, signed char, (sizeof(short) > sizeof(char)));
 
-    if (sizeof(bool) > sizeof(long))
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<bool, unsigned long>::value));
-    else
-        QVERIFY(!(QtPrivate::AreArgumentsNarrowedBase<bool, unsigned long>::value));
+    FITS(short, short);
+    FITS(short, int);
+    FITS(short, long);
+    FITS(short, long long);
 
-    if (sizeof(bool) > sizeof(long long))
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<bool, unsigned long long>::value));
-    else
-        QVERIFY(!(QtPrivate::AreArgumentsNarrowedBase<bool, unsigned long long>::value));
+    FITS(unsigned short, unsigned short);
+    FITS(unsigned short, unsigned int);
+    FITS(unsigned short, unsigned long);
+    FITS(unsigned short, unsigned long long);
 
-    if (sizeof(short) > sizeof(char)) {
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<short, char>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<short, unsigned char>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<short, signed char>::value));
+    NARROWS_IF(int, char, (sizeof(int) > sizeof(char) || std::is_unsigned<char>::value));
+    NARROWS(int, unsigned char);
+    NARROWS_IF(int, signed char, (sizeof(int) > sizeof(char)));
+    NARROWS_IF(int, short, (sizeof(int) > sizeof(short)));
+    NARROWS(int, unsigned short);
 
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<unsigned short, char>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<unsigned short, unsigned char>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<unsigned short, signed char>::value));
-    }
+    NARROWS_IF(unsigned int, char, (sizeof(int) > sizeof(char) || std::is_signed<char>::value));
+    NARROWS_IF(unsigned int, unsigned char, (sizeof(int) > sizeof(char)));
+    NARROWS(unsigned int, signed char);
+    NARROWS(unsigned int, short);
+    NARROWS_IF(unsigned int, unsigned short, (sizeof(int) > sizeof(short)));
 
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<short, short>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<short, int>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<short, long>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<short, long long>::value));
+    FITS(int, int);
+    FITS(int, long);
+    FITS(int, long long);
 
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<unsigned short, unsigned short>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<unsigned short, unsigned int>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<unsigned short, unsigned long>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<unsigned short, unsigned long long>::value));
+    FITS(unsigned int, unsigned int);
+    FITS(unsigned int, unsigned long);
+    FITS(unsigned int, unsigned long long);
 
-    if (sizeof(int) > sizeof(short)) {
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<int, char>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<int, unsigned char>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<int, signed char>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<int, short>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<int, unsigned short>::value));
+    NARROWS_IF(long, char, (sizeof(long) > sizeof(char) || std::is_unsigned<char>::value));
+    NARROWS(long, unsigned char);
+    NARROWS_IF(long, signed char, (sizeof(long) > sizeof(char)));
+    NARROWS_IF(long, short, (sizeof(long) > sizeof(short)));
+    NARROWS(long, unsigned short);
+    NARROWS_IF(long, int, (sizeof(long) > sizeof(int)));
+    NARROWS(long, unsigned int);
 
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<unsigned int, char>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<unsigned int, unsigned char>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<unsigned int, signed char>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<unsigned int, short>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<unsigned int, unsigned short>::value));
-    }
+    NARROWS_IF(unsigned long, char, (sizeof(long) > sizeof(char) || std::is_signed<char>::value));
+    NARROWS_IF(unsigned long, unsigned char, (sizeof(long) > sizeof(char)));
+    NARROWS(unsigned long, signed char);
+    NARROWS(unsigned long, short);
+    NARROWS_IF(unsigned long, unsigned short, (sizeof(long) > sizeof(short)));
+    NARROWS(unsigned long, int);
+    NARROWS_IF(unsigned long, unsigned int, (sizeof(long) > sizeof(int)));
 
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<int, int>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<int, long>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<int, long long>::value));
+    FITS(long, long);
+    FITS(long, long long);
 
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<unsigned int, unsigned int>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<unsigned int, unsigned long>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<unsigned int, unsigned long long>::value));
+    FITS(unsigned long, unsigned long);
+    FITS(unsigned long, unsigned long long);
 
-    if (sizeof(long) > sizeof(int)) {
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<long, char>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<long, unsigned char>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<long, signed char>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<long, short>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<long, unsigned short>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<long, int>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<long, unsigned int>::value));
+    NARROWS_IF(long long, char, (sizeof(long long) > sizeof(char) || std::is_unsigned<char>::value));
+    NARROWS(long long, unsigned char);
+    NARROWS_IF(long long, signed char, (sizeof(long long) > sizeof(char)));
+    NARROWS_IF(long long, short, (sizeof(long long) > sizeof(short)));
+    NARROWS(long long, unsigned short);
+    NARROWS_IF(long long, int, (sizeof(long long) > sizeof(int)));
+    NARROWS(long long, unsigned int);
+    NARROWS_IF(long long, long, (sizeof(long long) > sizeof(long)));
+    NARROWS(long long, unsigned long);
 
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<unsigned long, char>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<unsigned long, unsigned char>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<unsigned long, signed char>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<unsigned long, short>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<unsigned long, unsigned short>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<unsigned long, int>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<unsigned long, unsigned int>::value));
-    }
+    NARROWS_IF(unsigned long long, char, (sizeof(long long) > sizeof(char) || std::is_signed<char>::value));
+    NARROWS_IF(unsigned long long, unsigned char, (sizeof(long long) > sizeof(char)));
+    NARROWS(unsigned long long, signed char);
+    NARROWS(unsigned long long, short);
+    NARROWS_IF(unsigned long long, unsigned short, (sizeof(long long) > sizeof(short)));
+    NARROWS(unsigned long long, int);
+    NARROWS_IF(unsigned long long, unsigned int, (sizeof(long long) > sizeof(int)));
+    NARROWS(unsigned long long, long);
+    NARROWS_IF(unsigned long long, unsigned long, (sizeof(long long) > sizeof(long)));
 
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<long, long>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<long, long long>::value));
-
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<unsigned long, unsigned long>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<unsigned long, unsigned long long>::value));
-
-    if (sizeof(long long) > sizeof(long)) {
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<long long, char>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<long long, unsigned char>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<long long, signed char>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<long long, short>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<long long, unsigned short>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<long long, int>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<long long, unsigned int>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<long long, long>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<long long, unsigned long>::value));
-
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<unsigned long long, char>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<unsigned long long, unsigned char>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<unsigned long long, signed char>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<unsigned long long, short>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<unsigned long long, unsigned short>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<unsigned long long, int>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<unsigned long long, unsigned int>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<unsigned long long, long>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<unsigned long long, unsigned long>::value));
-    }
-
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<long long, long long>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<unsigned long long, unsigned long long>::value));
+    FITS(long long, long long);
+    FITS(unsigned long long, unsigned long long);
 
 
     // integral to integral with different signedness. smaller ones tested above
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<signed char, unsigned char>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<signed char, unsigned short>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<signed char, unsigned int>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<signed char, unsigned long>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<signed char, unsigned long long>::value));
+    NARROWS(signed char, unsigned char);
+    NARROWS(signed char, unsigned short);
+    NARROWS(signed char, unsigned int);
+    NARROWS(signed char, unsigned long);
+    NARROWS(signed char, unsigned long long);
 
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<unsigned char, signed char>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<unsigned char, short>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<unsigned char, int>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<unsigned char, long>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<unsigned char, long long>::value));
+    NARROWS(unsigned char, signed char);
+    FITS(unsigned char, short);
+    FITS(unsigned char, int);
+    FITS(unsigned char, long);
+    FITS(unsigned char, long long);
 
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<short, unsigned short>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<short, unsigned int>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<short, unsigned long>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<short, unsigned long long>::value));
+    NARROWS(short, unsigned short);
+    NARROWS(short, unsigned int);
+    NARROWS(short, unsigned long);
+    NARROWS(short, unsigned long long);
 
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<unsigned short, short>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<unsigned short, int>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<unsigned short, long>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<unsigned short, long long>::value));
+    NARROWS(unsigned short, short);
+    FITS(unsigned short, int);
+    FITS(unsigned short, long);
+    FITS(unsigned short, long long);
 
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<int, unsigned int>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<int, unsigned long>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<int, unsigned long long>::value));
+    NARROWS(int, unsigned int);
+    NARROWS(int, unsigned long);
+    NARROWS(int, unsigned long long);
 
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<unsigned int, int>::value));
-    QCOMPARE((QtPrivate::AreArgumentsNarrowedBase<unsigned int, long>::value), sizeof(int) >= sizeof(long));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<unsigned int, long long>::value));
+    NARROWS(unsigned int, int);
+    NARROWS_IF(unsigned int, long, (sizeof(int) >= sizeof(long)));
+    FITS(unsigned int, long long);
 
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<long, unsigned long>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<long, unsigned long long>::value));
+    NARROWS(long, unsigned long);
+    NARROWS(long, unsigned long long);
 
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<unsigned long, long>::value));
-    QCOMPARE((QtPrivate::AreArgumentsNarrowedBase<unsigned long, long long>::value), sizeof(long) >= sizeof(long long));
+    NARROWS(unsigned long, long);
+    NARROWS_IF(unsigned long, long long, (sizeof(long) >= sizeof(long long)));
 
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<long long, unsigned long long>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<unsigned long long, long long>::value));
+    NARROWS(long long, unsigned long long);
+    NARROWS(unsigned long long, long long);
 
     // enum to smaller integral
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<UnscopedEnum, UnscopedEnum>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<SignedUnscopedEnum, SignedUnscopedEnum>::value));
+    // (note that we know that sizeof(UnscopedEnum) <= sizeof(int)
+    FITS(UnscopedEnum, UnscopedEnum);
+    FITS(SignedUnscopedEnum, SignedUnscopedEnum);
 
-    if (std::is_signed<typename std::underlying_type<UnscopedEnum>::type>::value) {
-        if (sizeof(UnscopedEnum) > sizeof(char))
-            QVERIFY((QtPrivate::AreArgumentsNarrowedBase<UnscopedEnum, signed char>::value));
-        else
-            QVERIFY(!(QtPrivate::AreArgumentsNarrowedBase<UnscopedEnum, signed char>::value));
+    NARROWS_IF(UnscopedEnum, char, ((sizeof(UnscopedEnum) > sizeof(char)) || (sizeof(UnscopedEnum) == sizeof(char) && IS_UNSCOPED_ENUM_SIGNED == std::is_signed<char>::value)));
+    NARROWS_IF(UnscopedEnum, signed char, ((sizeof(UnscopedEnum) > sizeof(char)) || (sizeof(UnscopedEnum) == sizeof(char) && !IS_UNSCOPED_ENUM_SIGNED)));
+    NARROWS_IF(UnscopedEnum, unsigned char, ((sizeof(UnscopedEnum) > sizeof(char)) || IS_UNSCOPED_ENUM_SIGNED));
 
-        if (sizeof(UnscopedEnum) > sizeof(short))
-            QVERIFY((QtPrivate::AreArgumentsNarrowedBase<UnscopedEnum, short>::value));
-        else
-            QVERIFY(!(QtPrivate::AreArgumentsNarrowedBase<UnscopedEnum, short>::value));
+    NARROWS_IF(UnscopedEnum, short, ((sizeof(UnscopedEnum) > sizeof(short)) || (sizeof(UnscopedEnum) == sizeof(short) && !IS_UNSCOPED_ENUM_SIGNED)));
+    NARROWS_IF(UnscopedEnum, unsigned short, ((sizeof(UnscopedEnum) > sizeof(short)) || IS_UNSCOPED_ENUM_SIGNED));
 
-        QVERIFY(!(QtPrivate::AreArgumentsNarrowedBase<UnscopedEnum, int>::value));
-        QVERIFY(!(QtPrivate::AreArgumentsNarrowedBase<UnscopedEnum, long>::value));
-        QVERIFY(!(QtPrivate::AreArgumentsNarrowedBase<UnscopedEnum, long long>::value));
-    } else {
-        if (sizeof(UnscopedEnum) > sizeof(bool))
-            QVERIFY((QtPrivate::AreArgumentsNarrowedBase<UnscopedEnum, bool>::value));
-        else
-            QVERIFY(!(QtPrivate::AreArgumentsNarrowedBase<UnscopedEnum, bool>::value));
+    NARROWS_IF(UnscopedEnum, int, (sizeof(UnscopedEnum) == sizeof(int) && !IS_UNSCOPED_ENUM_SIGNED));
+    NARROWS_IF(UnscopedEnum, unsigned int, IS_UNSCOPED_ENUM_SIGNED);
 
-        if (sizeof(UnscopedEnum) > sizeof(char))
-            QVERIFY((QtPrivate::AreArgumentsNarrowedBase<UnscopedEnum, unsigned char>::value));
-        else
-            QVERIFY(!(QtPrivate::AreArgumentsNarrowedBase<UnscopedEnum, unsigned char>::value));
+    NARROWS_IF(UnscopedEnum, long, (sizeof(UnscopedEnum) == sizeof(long) && !IS_UNSCOPED_ENUM_SIGNED));
+    NARROWS_IF(UnscopedEnum, unsigned long, IS_UNSCOPED_ENUM_SIGNED);
 
-        if (sizeof(UnscopedEnum) > sizeof(short))
-            QVERIFY((QtPrivate::AreArgumentsNarrowedBase<UnscopedEnum, unsigned short>::value));
-        else
-            QVERIFY(!(QtPrivate::AreArgumentsNarrowedBase<UnscopedEnum, unsigned short>::value));
+    NARROWS_IF(UnscopedEnum, long long, (sizeof(UnscopedEnum) == sizeof(long long) && !IS_UNSCOPED_ENUM_SIGNED));
+    NARROWS_IF(UnscopedEnum, unsigned long long, IS_UNSCOPED_ENUM_SIGNED);
 
-        QVERIFY(!(QtPrivate::AreArgumentsNarrowedBase<UnscopedEnum, unsigned int>::value));
-        QVERIFY(!(QtPrivate::AreArgumentsNarrowedBase<UnscopedEnum, unsigned long>::value));
-        QVERIFY(!(QtPrivate::AreArgumentsNarrowedBase<UnscopedEnum, unsigned long long>::value));
-    }
+    Q_STATIC_ASSERT(std::is_signed<typename std::underlying_type<SignedUnscopedEnum>::type>::value);
 
-    QVERIFY(std::is_signed<typename std::underlying_type<SignedUnscopedEnum>::type>::value);
-
-    if (sizeof(SignedUnscopedEnum) > sizeof(char))
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<SignedUnscopedEnum, signed char>::value));
-    else
-        QVERIFY(!(QtPrivate::AreArgumentsNarrowedBase<SignedUnscopedEnum, signed char>::value));
-
-    if (sizeof(SignedUnscopedEnum) > sizeof(short))
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<SignedUnscopedEnum, short>::value));
-    else
-        QVERIFY(!(QtPrivate::AreArgumentsNarrowedBase<SignedUnscopedEnum, short>::value));
-
-    QVERIFY(!(QtPrivate::AreArgumentsNarrowedBase<SignedUnscopedEnum, int>::value));
-    QVERIFY(!(QtPrivate::AreArgumentsNarrowedBase<SignedUnscopedEnum, long>::value));
-    QVERIFY(!(QtPrivate::AreArgumentsNarrowedBase<SignedUnscopedEnum, long long>::value));
+    NARROWS_IF(SignedUnscopedEnum, signed char, (sizeof(SignedUnscopedEnum) > sizeof(char)));
+    NARROWS_IF(SignedUnscopedEnum, short, (sizeof(SignedUnscopedEnum) > sizeof(short)));
+    FITS(SignedUnscopedEnum, int);
+    FITS(SignedUnscopedEnum, long);
+    FITS(SignedUnscopedEnum, long long);
 
 
     enum class ScopedEnumBackedBySChar : signed char { A };
@@ -7284,192 +7236,190 @@ void tst_QObject::checkArgumentsForNarrowing()
     enum class ScopedEnumBackedByLongLong : long long { A };
     enum class ScopedEnumBackedByULongLong : unsigned long long { A };
 
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedBySChar, ScopedEnumBackedBySChar>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByUChar, ScopedEnumBackedByUChar>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByShort, ScopedEnumBackedByShort>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByUShort, ScopedEnumBackedByUShort>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByInt, ScopedEnumBackedByInt>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByUInt, ScopedEnumBackedByUInt>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByLong, ScopedEnumBackedByLong>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByULong, ScopedEnumBackedByULong>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByLongLong, ScopedEnumBackedByLongLong>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByULongLong, ScopedEnumBackedByULongLong>::value));
+    FITS(ScopedEnumBackedBySChar, ScopedEnumBackedBySChar);
+    FITS(ScopedEnumBackedByUChar, ScopedEnumBackedByUChar);
+    FITS(ScopedEnumBackedByShort, ScopedEnumBackedByShort);
+    FITS(ScopedEnumBackedByUShort, ScopedEnumBackedByUShort);
+    FITS(ScopedEnumBackedByInt, ScopedEnumBackedByInt);
+    FITS(ScopedEnumBackedByUInt, ScopedEnumBackedByUInt);
+    FITS(ScopedEnumBackedByLong, ScopedEnumBackedByLong);
+    FITS(ScopedEnumBackedByULong, ScopedEnumBackedByULong);
+    FITS(ScopedEnumBackedByLongLong, ScopedEnumBackedByLongLong);
+    FITS(ScopedEnumBackedByULongLong, ScopedEnumBackedByULongLong);
 
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedBySChar, signed char>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByUChar, unsigned char>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByShort, short>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByUShort, unsigned short>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByInt, int>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByUInt, unsigned int>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByLong, long>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByULong, unsigned long>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByLongLong, long long>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByULongLong, unsigned long long>::value));
+    FITS(ScopedEnumBackedBySChar, signed char);
+    FITS(ScopedEnumBackedByUChar, unsigned char);
+    FITS(ScopedEnumBackedByShort, short);
+    FITS(ScopedEnumBackedByUShort, unsigned short);
+    FITS(ScopedEnumBackedByInt, int);
+    FITS(ScopedEnumBackedByUInt, unsigned int);
+    FITS(ScopedEnumBackedByLong, long);
+    FITS(ScopedEnumBackedByULong, unsigned long);
+    FITS(ScopedEnumBackedByLongLong, long long);
+    FITS(ScopedEnumBackedByULongLong, unsigned long long);
 
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedBySChar, signed char>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedBySChar, short>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedBySChar, int>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedBySChar, long>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedBySChar, long long>::value));
+    FITS(ScopedEnumBackedBySChar, signed char);
+    FITS(ScopedEnumBackedBySChar, short);
+    FITS(ScopedEnumBackedBySChar, int);
+    FITS(ScopedEnumBackedBySChar, long);
+    FITS(ScopedEnumBackedBySChar, long long);
 
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByUChar, unsigned char>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByUChar, unsigned short>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByUChar, unsigned int>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByUChar, unsigned long>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByUChar, unsigned long long>::value));
+    FITS(ScopedEnumBackedByUChar, unsigned char);
+    FITS(ScopedEnumBackedByUChar, unsigned short);
+    FITS(ScopedEnumBackedByUChar, unsigned int);
+    FITS(ScopedEnumBackedByUChar, unsigned long);
+    FITS(ScopedEnumBackedByUChar, unsigned long long);
 
-    if (sizeof(short) > sizeof(char)) {
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByShort, char>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByUShort, char>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByInt, char>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByUInt, char>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByLong, char>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByULong, char>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByLongLong, char>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByULongLong, char>::value));
+    NARROWS_IF(ScopedEnumBackedByShort, char, (sizeof(short) > sizeof(char) || std::is_unsigned<char>::value));
+    NARROWS_IF(ScopedEnumBackedByUShort, char, (sizeof(short) > sizeof(char) || std::is_signed<char>::value));
+    NARROWS_IF(ScopedEnumBackedByInt, char, (sizeof(int) > sizeof(char) || std::is_unsigned<char>::value));
+    NARROWS_IF(ScopedEnumBackedByUInt, char, (sizeof(int) > sizeof(char) || std::is_signed<char>::value));
+    NARROWS_IF(ScopedEnumBackedByLong, char, (sizeof(long) > sizeof(char) || std::is_unsigned<char>::value));
+    NARROWS_IF(ScopedEnumBackedByULong, char, (sizeof(long) > sizeof(char) || std::is_signed<char>::value));
+    NARROWS_IF(ScopedEnumBackedByLongLong, char, (sizeof(long long) > sizeof(char) || std::is_unsigned<char>::value));
+    NARROWS_IF(ScopedEnumBackedByULongLong, char, (sizeof(long long) > sizeof(char) || std::is_signed<char>::value));
 
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByShort, signed char>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByUShort, signed char>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByInt, signed char>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByUInt, signed char>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByLong, signed char>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByULong, signed char>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByLongLong, signed char>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByULongLong, signed char>::value));
+    NARROWS_IF(ScopedEnumBackedByShort, signed char, (sizeof(short) > sizeof(char)));
+    NARROWS(ScopedEnumBackedByUShort, signed char);
+    NARROWS_IF(ScopedEnumBackedByInt, signed char, (sizeof(int) > sizeof(char)));
+    NARROWS(ScopedEnumBackedByUInt, signed char);
+    NARROWS_IF(ScopedEnumBackedByLong, signed char, (sizeof(long) > sizeof(char)));
+    NARROWS(ScopedEnumBackedByULong, signed char);
+    NARROWS_IF(ScopedEnumBackedByLongLong, signed char, (sizeof(long long) > sizeof(char)));
+    NARROWS(ScopedEnumBackedByULongLong, signed char);
 
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByShort, unsigned char>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByUShort, unsigned char>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByInt, unsigned char>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByUInt, unsigned char>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByLong, unsigned char>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByULong, unsigned char>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByLongLong, unsigned char>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByULongLong, unsigned char>::value));
-    }
+    NARROWS(ScopedEnumBackedByShort, unsigned char);
+    NARROWS_IF(ScopedEnumBackedByUShort, unsigned char, (sizeof(short) > sizeof(char)));
+    NARROWS(ScopedEnumBackedByInt, unsigned char);
+    NARROWS_IF(ScopedEnumBackedByUInt, unsigned char, (sizeof(int) > sizeof(char)));
+    NARROWS(ScopedEnumBackedByLong, unsigned char);
+    NARROWS_IF(ScopedEnumBackedByULong, unsigned char, (sizeof(long) > sizeof(char)));
+    NARROWS(ScopedEnumBackedByLongLong, unsigned char);
+    NARROWS_IF(ScopedEnumBackedByULongLong, unsigned char, (sizeof(long long) > sizeof(char)));
 
-    if (sizeof(int) > sizeof(short)) {
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByInt, short>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByUInt, short>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByLong, short>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByULong, short>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByLongLong, short>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByULongLong, short>::value));
+    NARROWS_IF(ScopedEnumBackedByInt, short, (sizeof(int) > sizeof(short)));
+    NARROWS(ScopedEnumBackedByUInt, short);
+    NARROWS_IF(ScopedEnumBackedByLong, short, (sizeof(long) > sizeof(short)));
+    NARROWS(ScopedEnumBackedByULong, short);
+    NARROWS_IF(ScopedEnumBackedByLongLong, short, (sizeof(long long) > sizeof(short)));
+    NARROWS(ScopedEnumBackedByULongLong, short);
 
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByInt, unsigned short>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByUInt, unsigned short>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByLong, unsigned short>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByULong, unsigned short>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByLongLong, unsigned short>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByULongLong, unsigned short>::value));
-    }
+    NARROWS(ScopedEnumBackedByInt, unsigned short);
+    NARROWS_IF(ScopedEnumBackedByUInt, unsigned short, (sizeof(int) > sizeof(short)));
+    NARROWS(ScopedEnumBackedByLong, unsigned short);
+    NARROWS_IF(ScopedEnumBackedByULong, unsigned short, (sizeof(long) > sizeof(short)));
+    NARROWS(ScopedEnumBackedByLongLong, unsigned short);
+    NARROWS_IF(ScopedEnumBackedByULongLong, unsigned short, (sizeof(long long) > sizeof(short)));
 
-    if (sizeof(long) > sizeof(int)) {
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByLong, int>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByULong, int>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByLongLong, int>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByULongLong, int>::value));
+    NARROWS_IF(ScopedEnumBackedByLong, int, (sizeof(long) > sizeof(int)));
+    NARROWS(ScopedEnumBackedByULong, int);
+    NARROWS_IF(ScopedEnumBackedByLongLong, int, (sizeof(long long) > sizeof(int)));
+    NARROWS(ScopedEnumBackedByULongLong, int);
 
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByLong, unsigned int>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByULong, unsigned int>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByLongLong, unsigned int>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByULongLong, unsigned int>::value));
-    }
+    NARROWS(ScopedEnumBackedByLong, unsigned int);
+    NARROWS_IF(ScopedEnumBackedByULong, unsigned int, (sizeof(long) > sizeof(int)));
+    NARROWS(ScopedEnumBackedByLongLong, unsigned int);
+    NARROWS_IF(ScopedEnumBackedByULongLong, unsigned int, (sizeof(long long) > sizeof(int)));
 
-    if (sizeof(long long) > sizeof(long)) {
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByLongLong, long>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByULongLong, long>::value));
+    NARROWS_IF(ScopedEnumBackedByLongLong, long, (sizeof(long long) > sizeof(long)));
+    NARROWS(ScopedEnumBackedByULongLong, long);
 
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByLongLong, unsigned long>::value));
-        QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByULongLong, unsigned long>::value));
-    }
+    NARROWS(ScopedEnumBackedByLongLong, unsigned long);
+    NARROWS_IF(ScopedEnumBackedByULongLong, unsigned long, (sizeof(long long) > sizeof(long)));
 
     // different signedness of the underlying type
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<SignedUnscopedEnum, unsigned char>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<SignedUnscopedEnum, unsigned short>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<SignedUnscopedEnum, unsigned int>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<SignedUnscopedEnum, unsigned long>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<SignedUnscopedEnum, unsigned long long>::value));
+    NARROWS(SignedUnscopedEnum, unsigned char);
+    NARROWS(SignedUnscopedEnum, unsigned short);
+    NARROWS(SignedUnscopedEnum, unsigned int);
+    NARROWS(SignedUnscopedEnum, unsigned long);
+    NARROWS(SignedUnscopedEnum, unsigned long long);
 
+    NARROWS(ScopedEnumBackedBySChar, unsigned char);
+    NARROWS(ScopedEnumBackedBySChar, unsigned short);
+    NARROWS(ScopedEnumBackedBySChar, unsigned int);
+    NARROWS(ScopedEnumBackedBySChar, unsigned long);
+    NARROWS(ScopedEnumBackedBySChar, unsigned long long);
 
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedBySChar, unsigned char>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedBySChar, unsigned short>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedBySChar, unsigned int>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedBySChar, unsigned long>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedBySChar, unsigned long long>::value));
+    NARROWS(ScopedEnumBackedByShort, unsigned char);
+    NARROWS(ScopedEnumBackedByShort, unsigned short);
+    NARROWS(ScopedEnumBackedByShort, unsigned int);
+    NARROWS(ScopedEnumBackedByShort, unsigned long);
+    NARROWS(ScopedEnumBackedByShort, unsigned long long);
 
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByShort, unsigned char>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByShort, unsigned short>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByShort, unsigned int>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByShort, unsigned long>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByShort, unsigned long long>::value));
+    NARROWS(ScopedEnumBackedByInt, unsigned char);
+    NARROWS(ScopedEnumBackedByInt, unsigned short);
+    NARROWS(ScopedEnumBackedByInt, unsigned int);
+    NARROWS(ScopedEnumBackedByInt, unsigned long);
+    NARROWS(ScopedEnumBackedByInt, unsigned long long);
 
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByInt, unsigned char>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByInt, unsigned short>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByInt, unsigned int>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByInt, unsigned long>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByInt, unsigned long long>::value));
+    NARROWS(ScopedEnumBackedByLong, unsigned char);
+    NARROWS(ScopedEnumBackedByLong, unsigned short);
+    NARROWS(ScopedEnumBackedByLong, unsigned int);
+    NARROWS(ScopedEnumBackedByLong, unsigned long);
+    NARROWS(ScopedEnumBackedByLong, unsigned long long);
 
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByLong, unsigned char>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByLong, unsigned short>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByLong, unsigned int>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByLong, unsigned long>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByLong, unsigned long long>::value));
+    NARROWS(ScopedEnumBackedByLongLong, unsigned char);
+    NARROWS(ScopedEnumBackedByLongLong, unsigned short);
+    NARROWS(ScopedEnumBackedByLongLong, unsigned int);
+    NARROWS(ScopedEnumBackedByLongLong, unsigned long);
+    NARROWS(ScopedEnumBackedByLongLong, unsigned long long);
 
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByLongLong, unsigned char>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByLongLong, unsigned short>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByLongLong, unsigned int>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByLongLong, unsigned long>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByLongLong, unsigned long long>::value));
+    NARROWS(ScopedEnumBackedByUChar, signed char);
+    FITS_IF(ScopedEnumBackedByUChar, short, (sizeof(char) < sizeof(short)));
+    FITS_IF(ScopedEnumBackedByUChar, int, (sizeof(char) < sizeof(int)));
+    FITS_IF(ScopedEnumBackedByUChar, long, (sizeof(char) < sizeof(long)));
+    FITS_IF(ScopedEnumBackedByUChar, long long, (sizeof(char) < sizeof(long long)));
 
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByUChar, signed char>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByUChar, short>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByUChar, int>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByUChar, long>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByUChar, long long>::value));
+    NARROWS(ScopedEnumBackedByUShort, signed char);
+    NARROWS(ScopedEnumBackedByUShort, short);
+    FITS_IF(ScopedEnumBackedByUShort, int, (sizeof(short) < sizeof(int)));
+    FITS_IF(ScopedEnumBackedByUShort, long, (sizeof(short) < sizeof(long)));
+    FITS_IF(ScopedEnumBackedByUShort, long long, (sizeof(short) < sizeof(long long)));
 
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByUShort, signed char>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByUShort, short>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByUShort, int>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByUShort, long>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByUShort, long long>::value));
+    NARROWS(ScopedEnumBackedByUInt, signed char);
+    NARROWS(ScopedEnumBackedByUInt, short);
+    NARROWS(ScopedEnumBackedByUInt, int);
+    FITS_IF(ScopedEnumBackedByUInt, long, (sizeof(ScopedEnumBackedByUInt) < sizeof(long)));
+    FITS(ScopedEnumBackedByUInt, long long);
 
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByUInt, signed char>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByUInt, short>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByUInt, int>::value));
-    QCOMPARE((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByUInt, long>::value), sizeof(ScopedEnumBackedByUInt) >= sizeof(long));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByUInt, long long>::value));
+    NARROWS(ScopedEnumBackedByULong, signed char);
+    NARROWS(ScopedEnumBackedByULong, short);
+    NARROWS(ScopedEnumBackedByULong, int);
+    NARROWS(ScopedEnumBackedByULong, long);
+    FITS_IF(ScopedEnumBackedByULong, long long, (sizeof(ScopedEnumBackedByULong) < sizeof(long long)));
 
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByULong, signed char>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByULong, short>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByULong, int>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByULong, long>::value));
-    QCOMPARE((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByULong, long long>::value), sizeof(ScopedEnumBackedByULong) >= sizeof(long long));
-
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByULongLong, signed char>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByULongLong, short>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByULongLong, int>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByULongLong, long>::value));
-    QVERIFY((QtPrivate::AreArgumentsNarrowedBase<ScopedEnumBackedByULongLong, long long>::value));
+    NARROWS(ScopedEnumBackedByULongLong, signed char);
+    NARROWS(ScopedEnumBackedByULongLong, short);
+    NARROWS(ScopedEnumBackedByULongLong, int);
+    NARROWS(ScopedEnumBackedByULongLong, long);
+    NARROWS(ScopedEnumBackedByULongLong, long long);
 
     // other types which should be always unaffected
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<void *, void *>::value));
+    FITS(void *, void *);
 
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<QString, QString>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<QString &, QString &>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<const QString &, const QString &>::value));
+    FITS(QString, QString);
+    FITS(QString &, QString &);
+    FITS(const QString &, const QString &);
 
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<QObject, QObject>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<QObject *, QObject *>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<const QObject *, const QObject *>::value));
+    FITS(QObject, QObject);
+    FITS(QObject *, QObject *);
+    FITS(const QObject *, const QObject *);
 
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<std::nullptr_t, std::nullptr_t>::value));
+    FITS(std::nullptr_t, std::nullptr_t);
 
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<QString, QObject>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<QString, QVariant>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<QString, void *>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<QString, long long>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<bool, const QObject *&>::value));
-    QVERIFY((!QtPrivate::AreArgumentsNarrowedBase<int (*)(bool), void (QObject::*)()>::value));
+    FITS(QString, QObject);
+    FITS(QString, QVariant);
+    FITS(QString, void *);
+    FITS(QString, long long);
+    FITS(bool, const QObject *&);
+    FITS(int (*)(bool), void (QObject::*)());
+
+#undef IS_UNSCOPED_ENUM_SIGNED
+
+#undef NARROWS_IF
+#undef FITS_IF
+#undef NARROWS
+#undef FITS
 }
 
 // Test for QtPrivate::HasQ_OBJECT_Macro

tests/auto/dbus/qdbusmarshall/common.h

@@ -437,7 +437,7 @@ bool compareToArgument(const QDBusArgument &arg, const QVariant &v2)
     case QVariant::DateTime:
         return compare<QDateTime>(arg, v2);
     default:
-        register int id = v2.userType();
+        int id = v2.userType();
         if (id == qMetaTypeId<QDBusObjectPath>())
             return compare<QDBusObjectPath>(arg, v2);
         else if (id == qMetaTypeId<QDBusSignature>())

tests/auto/gui/kernel/qinputmethod/tst_qinputmethod.cpp

@@ -287,6 +287,11 @@ void tst_qinputmethod::inputMethodAccepted()
     if (!QGuiApplication::platformName().compare(QLatin1String("wayland"), Qt::CaseInsensitive))
         QSKIP("Wayland: This fails. Figure out why.");
 
+    if (!QGuiApplication::platformName().compare(QLatin1String("minimal"), Qt::CaseInsensitive)
+        || !QGuiApplication::platformName().compare(QLatin1String("offscreen"), Qt::CaseInsensitive)) {
+        QSKIP("minimal/offscreen: This fails. Figure out why.");
+    }
+
     if (!QGuiApplication::platformName().compare(QLatin1String("xcb"), Qt::CaseInsensitive))
         QSKIP("XCB: depends on dedicated platform context.");
 

tests/auto/gui/kernel/qwindow/tst_qwindow.cpp

@@ -1829,6 +1829,12 @@ void tst_QWindow::initialSize()
     }
 }
 
+static bool isPlatformOffscreenOrMinimal()
+{
+    return ((QGuiApplication::platformName() == QLatin1String("offscreen"))
+             || (QGuiApplication::platformName() == QLatin1String("minimal")));
+}
+
 void tst_QWindow::modalDialog()
 {
     if (!QGuiApplication::platformName().compare(QLatin1String("wayland"), Qt::CaseInsensitive))
@@ -1853,8 +1859,7 @@ void tst_QWindow::modalDialog()
     QGuiApplication::sync();
     QGuiApplication::processEvents();
 
-    if (!QGuiApplication::platformName().compare(QLatin1String("offscreen"), Qt::CaseInsensitive)
-        || !QGuiApplication::platformName().compare(QLatin1String("minimal"), Qt::CaseInsensitive)) {
+    if (isPlatformOffscreenOrMinimal()) {
         QWARN("Focus stays in normalWindow on offscreen/minimal platforms");
         QTRY_COMPARE(QGuiApplication::focusWindow(), &normalWindow);
         return;
@@ -1899,8 +1904,7 @@ void tst_QWindow::modalDialogClosingOneOfTwoModal()
     QGuiApplication::sync();
     QGuiApplication::processEvents();
 
-    if (!QGuiApplication::platformName().compare(QLatin1String("offscreen"), Qt::CaseInsensitive)
-        || !QGuiApplication::platformName().compare(QLatin1String("minimal"), Qt::CaseInsensitive)) {
+    if (isPlatformOffscreenOrMinimal()) {
         QWARN("Focus is lost when closing modal dialog on offscreen/minimal platforms");
         QTRY_COMPARE(QGuiApplication::focusWindow(), nullptr);
         return;
@@ -1994,6 +1998,9 @@ void tst_QWindow::modalWindowEnterEventOnHide_QTBUG35109()
     if (QGuiApplication::platformName() == QLatin1String("cocoa"))
         QSKIP("This test fails on OS X on CI");
 
+    if (isPlatformOffscreenOrMinimal())
+        QSKIP("Can't test window focusing on offscreen/minimal");
+
     const QPoint center = QGuiApplication::primaryScreen()->availableGeometry().center();
 
     const int childOffset = 16;

tests/auto/gui/painting/qpainter/tst_qpainter.cpp

@@ -2959,6 +2959,10 @@ void fpe_steepSlopes()
 
 void fpe_radialGradients()
 {
+#if defined(Q_PROCESSOR_ARM)
+    QEXPECT_FAIL("", "Test fails for ARM (QTBUG-59961)", Continue);
+#endif
+
     FpExceptionChecker checker(FE_UNDERFLOW | FE_OVERFLOW | FE_INVALID | FE_DIVBYZERO);
 
     QImage img(21, 21, QImage::Format_ARGB32_Premultiplied);

tests/auto/widgets/graphicsview/qgraphicsview/tst_qgraphicsview.cpp

@@ -4804,8 +4804,12 @@ public:
 
 void tst_QGraphicsView::hoverLeave()
 {
-    if (platformName == QStringLiteral("cocoa"))
+    if (platformName == QStringLiteral("cocoa")) {
         QSKIP("Insignificant on OSX");
+    } else if (platformName == QStringLiteral("minimal")
+        || (platformName == QStringLiteral("offscreen"))) {
+        QSKIP("Fails in minimal/offscreen platforms if forwardMouseDoubleClick has been run");
+    }
     const QRect availableGeometry = QGuiApplication::primaryScreen()->availableGeometry();
     QGraphicsScene scene;
     QGraphicsView view(&scene);

tests/auto/widgets/kernel/qapplication/BLACKLIST

@@ -1,4 +1,2 @@
 [quitOnLastWindowClosed]
 osx-10.10
-[touchEventPropagation]
-xcb

tests/auto/widgets/kernel/qapplication/tst_qapplication.cpp

@@ -1987,7 +1987,7 @@ void tst_QApplication::touchEventPropagation()
         window.show();
         QVERIFY(QTest::qWaitForWindowExposed(&window));
         const QPoint deviceGlobalPos =
-            QHighDpi::toNativePixels(window.mapToGlobal(QPoint(50, 50)), window.windowHandle()->screen());
+            QHighDpi::toNativePixels(window.mapToGlobal(QPoint(50, 150)), window.windowHandle()->screen());
         pressedTouchPoints[0].setScreenPos(deviceGlobalPos);
         releasedTouchPoints[0].setScreenPos(deviceGlobalPos);
 

tests/auto/widgets/widgets/qmenubar/tst_qmenubar.cpp

@@ -824,6 +824,12 @@ void tst_QMenuBar::check_escKey()
     if (!QApplication::style()->inherits("QWindowsStyle"))
         return;
 
+    if (!QGuiApplication::platformName().compare(QLatin1String("minimal"), Qt::CaseInsensitive)
+        || !QGuiApplication::platformName().compare(QLatin1String("offscreen"), Qt::CaseInsensitive)) {
+        QWARN("Skipping menu button test on minimal/offscreen platforms");
+        return;
+    }
+
     // If we press Down the popupmenu should be active again
     QTest::keyClick(static_cast<QWidget *>(0), Qt::Key_Down );
     QVERIFY( !menu.menus.at(0)->isActiveWindow() );
@@ -1196,6 +1202,11 @@ void tst_QMenuBar::task223138_triggered()
 
 void tst_QMenuBar::task256322_highlight()
 {
+    if (!QGuiApplication::platformName().compare(QLatin1String("minimal"), Qt::CaseInsensitive)
+        || !QGuiApplication::platformName().compare(QLatin1String("offscreen"), Qt::CaseInsensitive)) {
+        QSKIP("Highlighting does not work correctly for minimal/offscreen platforms");
+    }
+
     QMainWindow win;
     win.menuBar()->setNativeMenuBar(false);  //we can't check the geometry of native menubars
     QMenu menu;