diff -r 000000000000 -r 6474c204b198 js/src/tests/ecma_5/JSON/parse-number-syntax.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/ecma_5/JSON/parse-number-syntax.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,32 @@
+// Any copyright is dedicated to the Public Domain.
+// http://creativecommons.org/licenses/publicdomain/
+
+testJSON('-', true);
+testJSON('+', true);
+testJSON('-f', true);
+testJSON('+f', true);
+testJSON('00', true);
+testJSON('01', true);
+testJSON('1.', true);
+testJSON('1.0e', true);
+testJSON('1.0e+', true);
+testJSON('1.0e-', true);
+testJSON('1.0e+z', true);
+testJSON('1.0e-z', true);
+testJSON('1.0ee', true);
+testJSON('1.e1', true);
+testJSON('1.e+1', true);
+testJSON('1.e-1', true);
+testJSON('.', true);
+testJSON('.1', true);
+testJSON('.1e', true);
+testJSON('.1e1', true);
+testJSON('.1e+1', true);
+testJSON('.1e-1', true);
+
+/******************************************************************************/
+
+if (typeof reportCompare === "function")
+  reportCompare(true, true);
+
+print("Tests complete");