QPointer: add member-swap

Change-Id: I5704badc86f98e549c586656ec8df3915632ce15
Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>

1 files changed, 17 insertions, 0 deletions

diff --git a/tests/auto/corelib/kernel/qpointer/tst_qpointer.cpp b/tests/auto/corelib/kernel/qpointer/tst_qpointer.cpp
index 814c4bb691..d7cce4ada4 100644
--- a/tests/auto/corelib/kernel/qpointer/tst_qpointer.cpp
+++ b/tests/auto/corelib/kernel/qpointer/tst_qpointer.cpp
@@ -50,6 +50,7 @@ private slots:
     void destructor();
     void assignment_operators();
     void equality_operators();
+    void swap();
     void isNull();
     void dereference_operators();
     void disconnect();
@@ -169,6 +170,22 @@ void tst_QPointer::equality_operators()
 #endif
 }
 
+void tst_QPointer::swap()
+{
+    QPointer<QObject> c1, c2;
+    {
+        QObject o;
+        c1 = &o;
+        QVERIFY(c2.isNull());
+        QCOMPARE(c1.data(), &o);
+        c1.swap(c2);
+        QVERIFY(c1.isNull());
+        QCOMPARE(c2.data(), &o);
+    }
+    QVERIFY(c1.isNull());
+    QVERIFY(c2.isNull());
+}
+
 void tst_QPointer::isNull()
 {
     QPointer<QObject> p1;