dom/base/test/test_window_indexing.html

   1
   2 <!DOCTYPE HTML>
   3 <html>
   4 <!--
   5 https://bugzilla.mozilla.org/show_bug.cgi?id=823228
   6 -->
   7 <head>
   8   <meta charset="utf-8">
   9   <title>Test for Bug 823228</title>
  10   <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  11   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
  12 </head>
  13 <body>
  14 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=823228">Mozilla Bug 823228</a>
  15 <p id="display"></p>
  16 <div id="content" style="display: none">
  17   <iframe name="x" id="x"></iframe>
  18   <iframe name="y" id="y"></iframe>
  19 </div>
  20 <pre id="test">
  21 </pre>
  22   <script type="application/javascript">
  23
  24   /** Test for Bug 823228 **/
  25   is(window, window.frames, "These better be equal");
  26   ok("0" in window, "We have a subframe");
  27   ok("1" in window, "We have two subframes");
  28   ok(!("2" in window), "But we don't have three subframes");
  29   window[2] = "myString";
  30   ok(!("2" in window), "Should not be able to set indexed expando");
  31   Object.getPrototypeOf(window)[3] = "Hey there";
  32   ok("3" in window, "Should be walking up the proto chain");
  33
  34   is(window[0].name, "x", "First frame is x");
  35   is(window[1].name, "y", "Second frame is y");
  36   is(window[2], undefined, "We should still not have our expando");
  37   is(window[3], "Hey there", "We should still have our prop on the proto chain");
  38
  39   var x = $("x");
  40   var y = $("y");
  41
  42   is(x.contentWindow, window[0], "First frame should have correct window");
  43   is(y.contentWindow, window[1], "Second frame should have correct window");
  44
  45   // set() hook test
  46   window[1] = "FAIL";
  47   is(window[1].name, "y", "Second frame is still y");
  48   y.parentNode.removeChild(y);
  49   ok(!("1" in window), "We no longer have two subframes");
  50   is(window[1], undefined, "We should not have a value here");
  51
  52   // defineProperty() hook test
  53   x.parentNode.appendChild(y);
  54   Object.defineProperty(window, "1", { value: "FAIL2", configurable: true,
  55                                        writable: true })
  56   y.parentNode.removeChild(y);
  57   ok(!("1" in window), "We no longer have two subframes, again");
  58   is(window[1], undefined, "We should not have a value here either");
  59
  60   // More set() hook test
  61   window[1] = "FAIL3";
  62   ok(!("1" in window), "We shouldn't allow indexed expandos");
  63   is(window[1], undefined, "We should not have a value for an indexed expando");
  64   var desc = Object.getOwnPropertyDescriptor(window, "1");
  65   is(desc, undefined, "We really really shouldn't have indexed expandos");
  66
  67   x.parentNode.appendChild(y);
  68   is(window[1], y.contentWindow, "Second frame should now be visible");
  69   desc = Object.getOwnPropertyDescriptor(window, "1");
  70   ok(desc.configurable, "Subframe should be configurable");
  71   ok(desc.enumerable, "Subframe should be configurable");
  72   ok(!desc.writable, "Subframe should not be writable");
  73   is(desc.value, y.contentWindow, "Subframe should have correct value");
  74
  75   y.parentNode.removeChild(y);
  76   is(window[1], undefined, "And now we should be back to no [1] property");
  77
  78   // And more defineProperty()
  79   Object.defineProperty(window, "1", { value: "FAIL2", configurable: true,
  80                                        writable: true })
  81   ok(!("1" in window), "Defining indexed properties really just shouldn't work");
  82   is(window[1], undefined, "Defining past end of list should not work");
  83
  84   // Enumeration tests
  85   x.parentNode.appendChild(y);
  86
  87   var names = Object.getOwnPropertyNames(window);
  88   is(names[0], "0", "Must start with 0");
  89   is(names[1], "1", "Must continue with 1");
  90   is(names.indexOf("2"), -1, "And 2, an attempted expando, should not be in there");
  91   is(names.indexOf("3"), -1, "But no 3; that's on the proto");
  92
  93   names = [];
  94   for (var name in window) {
  95     names.push(name);
  96   }
  97   is(names[0], "0", "Enumeration must start with 0");
  98   is(names[1], "1", "Enumeration must continue with 1");
  99   is(names.indexOf("2"), -1, "Enumeration: but no expando 2");
 100   isnot(names.indexOf("3"), -1, "Enumeration: and then 3, defined on the proto");
 101   is(names.indexOf("4"), -1, "But no 4 around");
 102
 103   // Delete tests
 104   is(delete window[1], false, "Deleting supported index should return false");
 105   is(window[1], y.contentWindow, "Shouldn't be able to delete a supported index");
 106   y.parentNode.removeChild(y);
 107   is(window[1], undefined,
 108      "And now we should have no property here");
 109   is(delete window[1], true, "Deleting unsupported index should return true");
 110   is(window[1], undefined,
 111      "And we shouldn't have things magically appear due to delete");
 112   </script>
 113 </body>
 114 </html>