Add member-swap to shared datatypes that don't have it.

For consistency.

Merge-request: 871
Reviewed-by: Olivier Goffart <olivier.goffart@nokia.com>

1 files changed, 16 insertions, 0 deletions

diff --git a/tests/auto/qpixmap/tst_qpixmap.cpp b/tests/auto/qpixmap/tst_qpixmap.cpp
index fdf8311..551e261 100644
--- a/tests/auto/qpixmap/tst_qpixmap.cpp
+++ b/tests/auto/qpixmap/tst_qpixmap.cpp
@@ -95,6 +95,8 @@ public slots:
     void cleanup();
 
 private slots:
+    void swap();
+
     void setAlphaChannel_data();
     void setAlphaChannel();
 
@@ -247,6 +249,20 @@ void tst_QPixmap::cleanup()
 {
 }
 
+void tst_QPixmap::swap()
+{
+    QPixmap p1( 16, 16 ), p2( 32, 32 );
+    p1.fill( Qt::white );
+    p2.fill( Qt::black );
+    const qint64 p1k = p1.cacheKey();
+    const qint64 p2k = p2.cacheKey();
+    p1.swap(p2);
+    QCOMPARE(p1.cacheKey(), p2k);
+    QCOMPARE(p1.size(), QSize(32,32));
+    QCOMPARE(p2.cacheKey(), p1k);
+    QCOMPARE(p2.size(), QSize(16,16));
+}
+
 void tst_QPixmap::setAlphaChannel_data()
 {
     QTest::addColumn<int>("red");