1 files changed, 22 insertions, 0 deletions
diff --git a/js/src/tests/non262/extensions/uneval/regress-304897.js b/js/src/tests/non262/extensions/uneval/regress-304897.js
new file mode 100644
index 0000000000..f88bff8445
--- /dev/null
+++ b/js/src/tests/non262/extensions/uneval/regress-304897.js
@@ -0,0 +1,22 @@
+// |reftest| skip-if(!this.uneval)
+
+/* -*- 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 = 304897;
+var summary = 'uneval("\\t"), uneval("\\x09")';
+var actual = '';
+var expect = '';
+
+printBugNumber(BUGNUMBER);
+printStatus (summary);
+
+expect = '"\\t"';
+actual = uneval('\t'); 
+reportCompare(expect, actual, summary);
+
+actual = uneval('\x09'); 
+reportCompare(expect, actual, summary);