Implement implicit constructors for built-in classes.

Change-Id: I6b0b104bc1da3252d014615c50b81830de42e722
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>

1 files changed, 47 insertions, 0 deletions

diff --git a/tests/auto/gui/kernel/qguivariant/test/tst_qguivariant.cpp b/tests/auto/gui/kernel/qguivariant/test/tst_qguivariant.cpp
index 301d8891bb..5a8ff7b760 100644
--- a/tests/auto/gui/kernel/qguivariant/test/tst_qguivariant.cpp
+++ b/tests/auto/gui/kernel/qguivariant/test/tst_qguivariant.cpp
@@ -59,6 +59,8 @@
 #include <qvector3d.h>
 #include <qvector4d.h>
 #include <qquaternion.h>
+#include <qtextdocument.h>
+#include <qtextformat.h>
 #include <qfont.h>
 
 #include "tst_qvariant_common.h"
@@ -118,6 +120,8 @@ private slots:
     void debugStream_data();
     void debugStream();
 
+    void implicitConstruction();
+
     void guiVariantAtExit();
 };
 
@@ -626,6 +630,49 @@ void tst_QGuiVariant::debugStream()
     QVERIFY(msgHandler.testPassed());
 }
 
+void tst_QGuiVariant::implicitConstruction()
+{
+    // This is a compile-time test
+    QVariant v;
+
+#define FOR_EACH_GUI_CLASS(F) \
+    F(Font) \
+    F(Pixmap) \
+    F(Brush) \
+    F(Color) \
+    F(Palette) \
+    F(Icon) \
+    F(Image) \
+    F(Polygon) \
+    F(Region) \
+    F(Bitmap) \
+    F(Cursor) \
+    F(KeySequence) \
+    F(Pen) \
+    F(TextLength) \
+    F(TextFormat) \
+    F(Matrix) \
+    F(Transform) \
+    F(Matrix4x4) \
+    F(Vector2D) \
+    F(Vector3D) \
+    F(Vector4D) \
+    F(Quaternion) \
+    F(PolygonF) \
+
+#define CONSTRUCT(TYPE) \
+    { \
+        Q##TYPE t; \
+        v = t; \
+        QVERIFY(true); \
+    }
+
+    FOR_EACH_GUI_CLASS(CONSTRUCT)
+
+#undef CONSTRUCT
+#undef FOR_EACH_GUI_CLASS
+}
+
 void tst_QGuiVariant::guiVariantAtExit()
 {
     // crash test, it should not crash at QGuiApplication exit