The Tor Browser: dom/base/test/test_window

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     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">

    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");

    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");

    39   var x = $("x");

    40   var y = $("y");

    42   is(x.contentWindow, window[0], "First frame should have correct window");

    43   is(y.contentWindow, window[1], "Second frame should have correct window");

    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");

    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");

    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");

    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");

    75   y.parentNode.removeChild(y);

    76   is(window[1], undefined, "And now we should be back to no [1] property");

    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");

    84   // Enumeration tests

    85   x.parentNode.appendChild(y);

    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");

    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");

   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>

The Tor Browser / file revision