make property flags lookup work for properties in prototype chain

JSObject::getPropertyAttributes() does not follow the prototype
chain, so we have to do it.

1 files changed, 8 insertions, 0 deletions

diff --git a/tests/auto/qscriptvalue/tst_qscriptvalue.cpp b/tests/auto/qscriptvalue/tst_qscriptvalue.cpp
index 2b48c30..56a91be 100644
--- a/tests/auto/qscriptvalue/tst_qscriptvalue.cpp
+++ b/tests/auto/qscriptvalue/tst_qscriptvalue.cpp
@@ -2077,6 +2077,14 @@ void tst_QScriptValue::getSetProperty()
     object.setProperty("flagProperty", str, QScriptValue::UserRange);
     QCOMPARE(object.propertyFlags("flagProperty"), QScriptValue::UserRange);
 
+    // flags of property in the prototype
+    {
+        QScriptValue object2 = eng.newObject();
+        object2.setPrototype(object);
+        QCOMPARE(object2.propertyFlags("flagProperty", QScriptValue::ResolveLocal), 0);
+        QCOMPARE(object2.propertyFlags("flagProperty"), QScriptValue::UserRange);
+    }
+
     // using interned strings
     QScriptString foo = eng.toStringHandle("foo");