js/xpconnect/tests/chrome/test_bug771429.xhtml

   1 <?xml version="1.0"?>
   2 <?xml-stylesheet type="text/css" href="chrome://global/skin"?>
   3 <?xml-stylesheet type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"?>
   4 <!--
   5 https://bugzilla.mozilla.org/show_bug.cgi?id=771429
   6 -->
   7 <window title="Mozilla Bug 771429"
   8         xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
   9   <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/>
  10
  11   <!-- test results are displayed in the html:body -->
  12   <body xmlns="http://www.w3.org/1999/xhtml">
  13   <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=771429"
  14      target="_blank">Mozilla Bug 771429</a>
  15   </body>
  16
  17   <!-- test code goes here -->
  18   <script type="application/javascript">
  19   <![CDATA[
  20       /** Test for Bug 771429 **/
  21       function f() {}
  22       function g() { return this; }
  23       function h() { "use strict"; return this; }
  24       function ctor() { this.x = 1; }
  25       f.x = 2;
  26       f.g = g;
  27       function test(freshCompartment) {
  28         var s = new Cu.Sandbox(window, {
  29           sandboxPrototype: window,
  30           freshCompartment,
  31         });
  32         try {
  33           is(Cu.evalInSandbox('g()', s), window,
  34              "Should get window as this object of non-strict global function");
  35           is(Cu.evalInSandbox('h()', s), undefined,
  36              "Should get undefined as this object of strict global function");
  37           is(Cu.evalInSandbox('f.x', s), 2,
  38              "Should have gotten the right thing back");
  39           if (freshCompartment) {
  40             is(Cu.evalInSandbox('f.g()', s), f,
  41                "Should have the right function object");
  42           } else {
  43             // In the same-compartment case we don't go through a compartment
  44             // boundary so when we call f.g() we don't unwrap the "callable
  45             // proxy" around f and the test above fails. We accept this slight
  46             // difference in behavior and assert a weaker invariant.
  47             is(Cu.evalInSandbox('f.g()', s).toString(), f.toString(),
  48                "Should have the right function object");
  49           }
  50           is(Cu.evalInSandbox('var x = { z: 7 }; g.call(x).z', s), 7,
  51              "Should not rebind calls that are already bound");
  52           // And test what happens when we use the normal Function.prototype.call
  53           // on g instead of whatever our proxies happen to return.
  54           is(Cu.evalInSandbox('var x = { z: 7 }; Function.prototype.call.call(g, x).z', s), 7,
  55              "Should not rebind calls that are already bound");
  56           is(Cu.evalInSandbox('new ctor();', s).x, 1,
  57              "Should get a properly constructed object out of the sandbox");
  58         } catch (e) {
  59           ok(false, "Should not get an exception: " + e);
  60         }
  61       }
  62       test(false);
  63       test(true);
  64   ]]>
  65   </script>
  66 </window>