Remove most compiler warnings about missing overrides

Remove around 1000 compiler warnings about missing overrides
in our auto tests.

This significantly reduce the compiler warning noise in our auto
tests, so that one can actually better see the real problems
inbetween.

Change-Id: Id0c04dba43fcaf55d8cd2b5c6697358857c31bf9
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>

4 files changed, 11 insertions, 10 deletions

diff --git a/tests/auto/gui/image/qicoimageformat/tst_qicoimageformat.cpp b/tests/auto/gui/image/qicoimageformat/tst_qicoimageformat.cpp
index fe12175081..1716570046 100644
--- a/tests/auto/gui/image/qicoimageformat/tst_qicoimageformat.cpp
+++ b/tests/auto/gui/image/qicoimageformat/tst_qicoimageformat.cpp
@@ -115,7 +115,8 @@ public:
 
     virtual ~QSequentialFile() {}
 
-    virtual bool isSequential() const {
+    virtual bool isSequential() const override
+    {
         return true;
     }
 
diff --git a/tests/auto/gui/image/qimageiohandler/tst_qimageiohandler.cpp b/tests/auto/gui/image/qimageiohandler/tst_qimageiohandler.cpp
index e24ba4fa81..9da4d1a1f1 100644
--- a/tests/auto/gui/image/qimageiohandler/tst_qimageiohandler.cpp
+++ b/tests/auto/gui/image/qimageiohandler/tst_qimageiohandler.cpp
@@ -50,8 +50,8 @@ class MyImageIOHandler : public QImageIOHandler
 {
 public:
     MyImageIOHandler() : QImageIOHandler() { }
-    bool canRead() const { return true; }
-    bool read(QImage *) { return true; }
+    bool canRead() const override { return true; }
+    bool read(QImage *) override { return true; }
 };
 
 tst_QImageIOHandler::tst_QImageIOHandler()
diff --git a/tests/auto/gui/image/qpicture/tst_qpicture.cpp b/tests/auto/gui/image/qpicture/tst_qpicture.cpp
index 6287960457..c55a96d697 100644
--- a/tests/auto/gui/image/qpicture/tst_qpicture.cpp
+++ b/tests/auto/gui/image/qpicture/tst_qpicture.cpp
@@ -152,11 +152,11 @@ class PaintEngine : public QPaintEngine
 {
 public:
     PaintEngine() : QPaintEngine() {}
-    bool begin(QPaintDevice *) { return true; }
-    bool end() { return true; }
-    void updateState(const QPaintEngineState &) {}
-    void drawPixmap(const QRectF &, const QPixmap &, const QRectF &) {}
-    Type type() const { return Raster; }
+    bool begin(QPaintDevice *) override { return true; }
+    bool end() override { return true; }
+    void updateState(const QPaintEngineState &) override {}
+    void drawPixmap(const QRectF &, const QPixmap &, const QRectF &) override {}
+    Type type() const override { return Raster; }
 
     QFont font() { return state->font(); }
 };
@@ -165,7 +165,7 @@ class Picture : public QPicture
 {
 public:
     Picture() : QPicture() {}
-    QPaintEngine *paintEngine() const { return (QPaintEngine*)&mPaintEngine; }
+    QPaintEngine *paintEngine() const override { return (QPaintEngine*)&mPaintEngine; }
 private:
     PaintEngine mPaintEngine;
 };
diff --git a/tests/auto/gui/image/qpixmap/tst_qpixmap.cpp b/tests/auto/gui/image/qpixmap/tst_qpixmap.cpp
index 24f10e559c..33e8671671 100644
--- a/tests/auto/gui/image/qpixmap/tst_qpixmap.cpp
+++ b/tests/auto/gui/image/qpixmap/tst_qpixmap.cpp
@@ -1063,7 +1063,7 @@ void tst_QPixmap::onlyNullPixmapsOutsideGuiThread()
     class Thread : public QThread
     {
     public:
-        void run()
+        void run() override
         {
             QTest::ignoreMessage(QtWarningMsg,
                                  "QPixmap: It is not safe to use pixmaps outside the GUI thread");