Autotest: ensure that QSharedPointer does proper autocasting through

function calls.

Seen on qt-interest.

Reviewed-by: Trust Me

1 files changed, 10 insertions, 0 deletions

diff --git a/tests/auto/qsharedpointer/tst_qsharedpointer.cpp b/tests/auto/qsharedpointer/tst_qsharedpointer.cpp
index ed9206cc28..0cb08f9d4e 100644
--- a/tests/auto/qsharedpointer/tst_qsharedpointer.cpp
+++ b/tests/auto/qsharedpointer/tst_qsharedpointer.cpp
@@ -73,6 +73,7 @@ private slots:
     void forwardDeclaration2();
     void memoryManagement();
     void downCast();
+    void functionCallDownCast();
     void upCast();
     void qobjectWeakManagement();
     void noSharedPointerFromWeakQObject();
@@ -503,6 +504,15 @@ void tst_QSharedPointer::downCast()
     QCOMPARE(DerivedData::derivedDestructorCounter, destructorCount + 1);
 }
 
+void functionDataByValue(QSharedPointer<Data> p) { Q_UNUSED(p); };
+void functionDataByRef(const QSharedPointer<Data> &p) { Q_UNUSED(p); };
+void tst_QSharedPointer::functionCallDownCast()
+{
+    QSharedPointer<DerivedData> p(new DerivedData());
+    functionDataByValue(p);
+    functionDataByRef(p);
+}
+
 void tst_QSharedPointer::upCast()
 {
     QSharedPointer<Data> baseptr = QSharedPointer<Data>(new DerivedData);