diff -r 000000000000 -r 6474c204b198 js/src/tests/ecma_5/JSON/parse-syntax-errors-02.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/ecma_5/JSON/parse-syntax-errors-02.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,46 @@
+// Ported from dom/src/json/test/unit/test_decode.js and
+// dom/src/json/test/unit/fail[1 to 34, minus 13].json
+
+testJSON('"Unterminated string literal', true);
+testJSON('["Unclosed array"', true);
+testJSON('{unquoted_key: "keys must be quoted"}', true);
+testJSON('["extra comma",]', true);
+testJSON('["double extra comma",,]', true);
+testJSON('[   , "<-- missing value"]', true);
+testJSON('["Comma after the close"],', true);
+testJSON('["Extra close"]]', true);
+testJSON('{"Extra comma": true,}', true);
+testJSON('{"Extra value after close": true} "misplaced quoted value"', true);
+testJSON('{"Illegal expression": 1 + 2}', true);
+testJSON('{"Illegal invocation": alert()}', true);
+testJSON('{"Numbers cannot be hex": 0x14}', true);
+testJSON('["Illegal backslash escape: \\x15"]', true);
+testJSON('[\\naked]', true);
+testJSON('["Illegal backslash escape: \\017"]', true);
+testJSON('{"Missing colon" null}', true);
+testJSON('{"Double colon":: null}', true);
+testJSON('{"Comma instead of colon", null}', true);
+testJSON('["Colon instead of comma": false]', true);
+testJSON('["Bad value", truth]', true);
+testJSON("['single quote']", true);
+testJSON('["	tab	character	in	string	"]', true);
+testJSON('["tab\\   character\\   in\\  string\\  "]', true);
+testJSON('["line\rbreak"]', true);
+testJSON('["line\nbreak"]', true);
+testJSON('["line\r\nbreak"]', true);
+testJSON('["line\\\rbreak"]', true);
+testJSON('["line\\\nbreak"]', true);
+testJSON('["line\\\r\nbreak"]', true);
+testJSON('[0e]', true);
+testJSON('[0e+]', true);
+testJSON('[0e+-1]', true);
+testJSON('{"Comma instead of closing brace": true,', true);
+testJSON('["mismatch"}', true);
+testJSON('0{', true);
+
+/******************************************************************************/
+
+if (typeof reportCompare === "function")
+  reportCompare(true, true);
+
+print("Tests complete");