diff -r 000000000000 -r 6474c204b198 js/src/tests/js1_5/extensions/regress-363258.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/js1_5/extensions/regress-363258.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,48 @@
+// |reftest| random -- bug 524788
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 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 = 363258;
+var summary = 'Timer resolution';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  var start = 0;
+  var stop  = 0;
+  var i;
+  var limit = 0;
+  var incr  = 10;
+  var resolution = 5;
+  
+  while (stop - start == 0)
+  {
+    limit += incr;
+    start = Date.now();
+    for (i = 0; i < limit; i++) {}
+    stop = Date.now();
+  }
+
+  print('limit=' + limit + ', resolution=' + resolution + ', time=' + (stop - start));
+
+  expect = true;
+  actual = (stop - start <= resolution);
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}