2 files changed, 13 insertions, 2 deletions
diff --git a/tests/auto/qml/qqmlecmascript/data/signalParameterTypes.qml b/tests/auto/qml/qqmlecmascript/data/signalParameterTypes.qml
index 676593096c..54d29dfc94 100644
--- a/tests/auto/qml/qqmlecmascript/data/signalParameterTypes.qml
+++ b/tests/auto/qml/qqmlecmascript/data/signalParameterTypes.qml
@@ -16,5 +16,11 @@ MyQmlObject
 
     onBasicSignal: root.mySignal(10, 19.2, Qt.rgba(1, 1, 0, 1), Qt.rgba(1, 0, 1, 1), MyQmlObject.EnumValue3, Qt.LeftButton)
 
-    onQjsValueEmittingSignal: {}
+    property bool emittedQjsValueWasUndefined
+    property int emittedQjsValueAsInt
+
+    onQjsValueEmittingSignal: {
+        emittedQjsValueWasUndefined = value === undefined;
+        emittedQjsValueAsInt = value
+    }
 }
diff --git a/tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp b/tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp
index 8c0b0601fc..89dac33671 100644
--- a/tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp
+++ b/tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp
@@ -1412,7 +1412,6 @@ void tst_qqmlecmascript::signalParameterTypes()
     QVERIFY(object != 0);
 
     emit object->basicSignal();
-    emit object->qjsValueEmittingSignal(QJSValue());
 
     QCOMPARE(object->property("intProperty").toInt(), 10);
     QCOMPARE(object->property("realProperty").toReal(), 19.2);
@@ -1421,6 +1420,12 @@ void tst_qqmlecmascript::signalParameterTypes()
     QVERIFY(object->property("enumProperty") == MyQmlObject::EnumValue3);
     QVERIFY(object->property("qtEnumProperty") == Qt::LeftButton);
 
+    emit object->qjsValueEmittingSignal(QJSValue());
+    QVERIFY(object->property("emittedQjsValueWasUndefined").toBool());
+    emit object->qjsValueEmittingSignal(QJSValue(42));
+    QVERIFY(!object->property("emittedQjsValueWasUndefined").toBool());
+    QCOMPARE(object->property("emittedQjsValueAsInt").value<int>(), 42);
+
     delete object;
 }