1 files changed, 14 insertions, 1 deletions
diff --git a/tests/auto/corelib/text/qstringref/tst_qstringref.cpp b/tests/auto/corelib/text/qstringref/tst_qstringref.cpp
index dcc825942d..f8049ffabc 100644
--- a/tests/auto/corelib/text/qstringref/tst_qstringref.cpp
+++ b/tests/auto/corelib/text/qstringref/tst_qstringref.cpp
@@ -87,6 +87,7 @@ private slots:
     void mid();
     void split_data();
     void split();
+    void nullToString();
 };
 
 static QStringRef emptyRef()
@@ -164,7 +165,7 @@ static inline double nan()
 
 void tst_QStringRef::cleanup()
 {
-    QLocale::setDefault(QString(QLatin1Char('C')));
+    QLocale::setDefault(QLocale(QString(QLatin1Char('C'))));
 }
 
 void tst_QStringRef::at()
@@ -2177,6 +2178,18 @@ void tst_QStringRef::split()
     }
 }
 
+void tst_QStringRef::nullToString()
+{
+    QStringRef nullRef;
+    QVERIFY(nullRef.isNull());
+    QVERIFY(nullRef.toString().isNull());
+
+    QString str;
+    nullRef = &str;
+    QVERIFY(nullRef.isNull());
+    QVERIFY(nullRef.toString().isNull());
+}
+
 QTEST_APPLESS_MAIN(tst_QStringRef)
 
 #include "tst_qstringref.moc"