1 files changed, 21 insertions, 0 deletions
diff --git a/js/src/tests/test262/intl402/DateTimeFormat/legacy-regexp-statics-not-modified.js b/js/src/tests/test262/intl402/DateTimeFormat/legacy-regexp-statics-not-modified.js
new file mode 100644
index 0000000000..6d44737ef4
--- /dev/null
+++ b/js/src/tests/test262/intl402/DateTimeFormat/legacy-regexp-statics-not-modified.js
@@ -0,0 +1,21 @@
+// Copyright 2013 Mozilla Corporation. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 12.1.1_a
+description: >
+    Tests that constructing a DateTimeFormat doesn't create or modify
+    unwanted properties on the RegExp constructor.
+author: Norbert Lindenberg
+includes: [testIntl.js]
+---*/
+
+testForUnwantedRegExpChanges(function () {
+    new Intl.DateTimeFormat("de-DE-u-ca-gregory");
+});
+
+testForUnwantedRegExpChanges(function () {
+    new Intl.DateTimeFormat("de-DE-u-ca-gregory", {timeZone: "UTC"});
+});
+
+reportCompare(0, 0);