js/xpconnect/tests/chrome/test_bug720619.xhtml

   1 <?xml version="1.0"?>
   2 <?xml-stylesheet href="chrome://global/skin" type="text/css"?>
   3 <?xml-stylesheet href="chrome://mochikit/content/tests/SimpleTest/test.css"
   4                  type="text/css"?>
   5 <!--
   6 https://bugzilla.mozilla.org/show_bug.cgi?id=720619
   7 -->
   8 <window title="Mozilla Bug 720619"
   9   xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
  10   <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
  11
  12   <!-- test results are displayed in the html:body -->
  13   <body xmlns="http://www.w3.org/1999/xhtml">
  14   <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=720619"
  15      target="_blank">Mozilla Bug 720619</a>
  16
  17   <!-- test code goes here -->
  18   <script type="application/javascript"><![CDATA[
  19   /** Test for Bug 720619 **/
  20   var obj = {
  21     valueOf () {
  22       return 42;
  23     },
  24     toString () {
  25       return 'str';
  26     }
  27   };
  28
  29   var content = new Cu.Sandbox("about:blank");
  30   content.obj = obj;
  31
  32   ok(Cu.evalInSandbox("obj + ''", content) == "[object Object]");
  33   ok(Cu.evalInSandbox("'' + obj", content) == "[object Object]");
  34   ok(isNaN(Cu.evalInSandbox("obj - 0", content)));
  35   ok(Cu.evalInSandbox("String(obj)", content) == "[object Object]");
  36
  37   var chrome = new Cu.Sandbox(window);
  38   chrome.obj = obj;
  39
  40   ok(Cu.evalInSandbox("obj + ''", chrome) == "42");
  41   ok(Cu.evalInSandbox("'' + obj", chrome) == "42");
  42   ok(Cu.evalInSandbox("obj - 0", chrome) == 42);
  43   ok(Cu.evalInSandbox("String(obj)", chrome) == "str");
  44   ]]></script>
  45   </body>
  46 </window>