Add a misplaced test for bug 648471, found in an old .hg/patches directory while pruning my Mozilla tree count. r=itsatest

--HG--
extra : rebase_source : 7c46baa4297335c05e71ac2e0229c06b84848d99

js/src/tests/ecma_5/JSON/jstests.list

@@ -24,6 +24,7 @@ script stringify-missing-arguments.js
 script stringify-nonarray-noncallable-replacer.js
 script stringify-primitives.js
 script stringify-replacer.js
+script stringify-replacer-array-boxed-elements.js
 script stringify-replacer-array-duplicated-element.js
 script stringify-replacer-array-edgecase-jsid-elements.js
 script stringify-replacer-array-hijinks.js

js/src/tests/ecma_5/JSON/stringify-replacer-array-boxed-elements.js

@@ -0,0 +1,60 @@
+// Any copyright is dedicated to the Public Domain.
+// http://creativecommons.org/licenses/publicdomain/
+
+var gTestfile = 'stringify-replacer-array-boxed-elements.js';
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 648471;
+var summary = "Boxed-string/number objects in replacer arrays";
+
+print(BUGNUMBER + ": " + summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+var S = new String(3);
+var N = new Number(4);
+
+assertEq(JSON.stringify({ 3: 3, 4: 4 }, [S]),
+         '{"3":3}');
+assertEq(JSON.stringify({ 3: 3, 4: 4 }, [N]),
+         '{"4":4}');
+
+Number.prototype.toString = function() { return 3; };
+assertEq(JSON.stringify({ 3: 3, 4: 4 }, [N]),
+         '{"3":3}');
+
+String.prototype.toString = function() { return 4; };
+assertEq(JSON.stringify({ 3: 3, 4: 4 }, [S]),
+         '{"4":4}');
+
+Number.prototype.toString = function() { return new String(42); };
+assertEq(JSON.stringify({ 3: 3, 4: 4 }, [N]),
+         '{"3":3}');
+
+String.prototype.toString = function() { return new Number(17); };
+assertEq(JSON.stringify({ 3: 3, 4: 4 }, [S]),
+         '{"4":4}');
+
+Number.prototype.toString = null;
+assertEq(JSON.stringify({ 3: 3, 4: 4 }, [N]),
+         '{"4":4}');
+
+String.prototype.toString = null;
+assertEq(JSON.stringify({ 3: 3, 4: 4 }, [S]),
+         '{"3":3}');
+
+Number.prototype.valueOf = function() { return 17; };
+assertEq(JSON.stringify({ 4: 4, 17: 17 }, [N]),
+         '{"17":17}');
+
+String.prototype.valueOf = function() { return 42; };
+assertEq(JSON.stringify({ 3: 3, 42: 42 }, [S]),
+         '{"42":42}');
+
+/******************************************************************************/
+
+if (typeof reportCompare === "function")
+  reportCompare(true, true);
+
+print("Tests complete");