1 files changed, 19 insertions, 0 deletions
diff --git a/js/src/tests/test262/intl402/ch12/12.1/12.1.3.js b/js/src/tests/test262/intl402/ch12/12.1/12.1.3.js
new file mode 100644
index 000000000..5e70bbb8f
--- /dev/null
+++ b/js/src/tests/test262/intl402/ch12/12.1/12.1.3.js
@@ -0,0 +1,19 @@
+// Copyright 2012 Mozilla Corporation. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/**
+ * @description Tests that objects constructed by Intl.DateTimeFormat have the specified internal properties.
+ * @author Norbert Lindenberg
+ */
+
+var obj = new Intl.DateTimeFormat();
+
+var actualPrototype = Object.getPrototypeOf(obj);
+if (actualPrototype !== Intl.DateTimeFormat.prototype) {
+    $ERROR("Prototype of object constructed by Intl.DateTimeFormat isn't Intl.DateTimeFormat.prototype; got " + actualPrototype);
+}
+
+if (!Object.isExtensible(obj)) {
+    $ERROR("Object constructed by Intl.DateTimeFormat must be extensible.");
+}
+