3 files changed, 31 insertions, 0 deletions
diff --git a/tests/auto/qml/qjsengine/tst_qjsengine.cpp b/tests/auto/qml/qjsengine/tst_qjsengine.cpp
index 7163fd8cff..52379a29a4 100644
--- a/tests/auto/qml/qjsengine/tst_qjsengine.cpp
+++ b/tests/auto/qml/qjsengine/tst_qjsengine.cpp
@@ -139,6 +139,7 @@ private slots:
 
     void arrayPop_QTBUG_35979();
     void array_unshift_QTBUG_52065();
+    void array_join_QTBUG_53672();
 
     void regexpLastMatch();
     void indexedAccesses();
@@ -3171,6 +3172,14 @@ void tst_QJSEngine::array_unshift_QTBUG_52065()
         QCOMPARE(result.property(i).toInt(), i);
 }
 
+void tst_QJSEngine::array_join_QTBUG_53672()
+{
+    QJSEngine eng;
+    QJSValue result = eng.evaluate("Array.prototype.join.call(0)");
+    QVERIFY(result.isString());
+    QCOMPARE(result.toString(), QString(""));
+}
+
 void tst_QJSEngine::regexpLastMatch()
 {
     QJSEngine eng;
diff --git a/tests/auto/qml/qqmlecmascript/data/stringify_qtbug_50592.qml b/tests/auto/qml/qqmlecmascript/data/stringify_qtbug_50592.qml
new file mode 100644
index 0000000000..e739b85ef8
--- /dev/null
+++ b/tests/auto/qml/qqmlecmascript/data/stringify_qtbug_50592.qml
@@ -0,0 +1,12 @@
+import QtQuick 2.0
+
+Item {
+    Image {
+        id: img
+        source: "http://example.org/some_nonexistant_image.png"
+        visible: false
+    }
+
+    property string source: JSON.stringify(img.source)
+}
+
diff --git a/tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp b/tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp
index a077eb13d1..be04ec2bf3 100644
--- a/tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp
+++ b/tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp
@@ -330,6 +330,7 @@ private slots:
     void qtbug_52340();
     void qtbug_54589();
     void qtbug_54687();
+    void stringify_qtbug_50592();
 
 private:
 //    static void propertyVarWeakRefCallback(v8::Persistent<v8::Value> object, void* parameter);
@@ -8103,6 +8104,15 @@ void tst_qqmlecmascript::qtbug_54687()
     engine.evaluate("12\n----12");
 }
 
+void tst_qqmlecmascript::stringify_qtbug_50592()
+{
+    QQmlComponent component(&engine, testFileUrl("stringify_qtbug_50592.qml"));
+
+    QScopedPointer<QObject> obj(component.create());
+    QVERIFY(obj != 0);
+    QCOMPARE(obj->property("source").toString(), QString::fromLatin1("http://example.org/some_nonexistant_image.png"));
+}
+
 QTEST_MAIN(tst_qqmlecmascript)
 
 #include "tst_qqmlecmascript.moc"