diff -r 000000000000 -r 6474c204b198 js/src/tests/ecma_5/JSON/small-codepoints.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/ecma_5/JSON/small-codepoints.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,16 @@
+// Any copyright is dedicated to the Public Domain.
+// http://creativecommons.org/licenses/publicdomain/
+
+var gTestfile = 'small-codepoints.js';
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 554079;
+var summary = 'JSON.parse should reject U+0000 through U+001F';
+
+print(BUGNUMBER + ": " + summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+for (var i = 0; i <= 0x1F; i++)
+  testJSON('["a' + String.fromCharCode(i) + 'c"]', true);