ASSERT_EQ(3, args.length());
- Handle<Object> object = args.at<Object>(0);
+ CONVERT_ARG_CHECKED(JSObject, object, 0);
Handle<Object> key1 = args.at<Object>(1);
Handle<Object> key2 = args.at<Object>(2);
uint32_t index1, index2;
- // That must be the most common case.
- if (object->IsJSObject()
- && Array::IndexFromObject(*key1, &index1)
- && Array::IndexFromObject(*key2, &index2)) {
- Handle<JSObject> jsobject = Handle<JSObject>::cast(object);
- Handle<Object> tmp1 = GetElement(jsobject, index1);
- Handle<Object> tmp2 = GetElement(jsobject, index2);
-
- SetElement(jsobject, index1, tmp2);
- SetElement(jsobject, index2, tmp1);
- } else {
- Handle<Object> tmp1 = GetProperty(object, key1);
- Handle<Object> tmp2 = GetProperty(object, key2);
-
- SetProperty(object, key1, tmp2, NONE);
- SetProperty(object, key2, tmp1, NONE);
+ if (!Array::IndexFromObject(*key1, &index1)
+ || !Array::IndexFromObject(*key2, &index2)) {
+ return Top::ThrowIllegalOperation();
}
+ Handle<JSObject> jsobject = Handle<JSObject>::cast(object);
+ Handle<Object> tmp1 = GetElement(jsobject, index1);
+ Handle<Object> tmp2 = GetElement(jsobject, index2);
+
+ SetElement(jsobject, index1, tmp2);
+ SetElement(jsobject, index2, tmp1);
+
return Heap::undefined_value();
}