1 files changed, 21 insertions, 0 deletions
diff --git a/js/src/tests/test262/intl402/NumberFormat/builtin.js b/js/src/tests/test262/intl402/NumberFormat/builtin.js
new file mode 100644
index 0000000000..6848ae39e9
--- /dev/null
+++ b/js/src/tests/test262/intl402/NumberFormat/builtin.js
@@ -0,0 +1,21 @@
+// Copyright 2012 Mozilla Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+es5id: 11.1_L15
+description: >
+    Tests that Intl.NumberFormat meets the requirements for built-in
+    objects defined by the introduction of chapter 17 of the
+    ECMAScript Language Specification.
+author: Norbert Lindenberg
+---*/
+
+assert.sameValue(Object.prototype.toString.call(Intl.NumberFormat), "[object Function]",
+                 "The [[Class]] internal property of a built-in function must be " +
+                 "\"Function\".");
+
+assert(Object.isExtensible(Intl.NumberFormat), "Built-in objects must be extensible.");
+
+assert.sameValue(Object.getPrototypeOf(Intl.NumberFormat), Function.prototype);
+
+reportCompare(0, 0);