1 files changed, 34 insertions, 0 deletions
diff --git a/js/src/tests/non262/String/regress-304376.js b/js/src/tests/non262/String/regress-304376.js
new file mode 100644
index 0000000000..d88c03c882
--- /dev/null
+++ b/js/src/tests/non262/String/regress-304376.js
@@ -0,0 +1,34 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 304376;
+var summary = 'String.prototype should be readonly and permanent';
+var actual = '';
+var expect = '';
+printBugNumber(BUGNUMBER);
+printStatus (summary);
+
+expect = 'TypeError';
+
+var saveString = String;
+ 
+String = Array;
+
+try
+{
+  // see if we can crash...
+  "".join();
+  String = saveString;
+  actual = 'No Error';
+}
+catch(ex)
+{
+  String = saveString;
+  actual = ex.name;
+  printStatus(ex + '');
+}
+
+reportCompare(expect, actual, summary);