test_bug504220.html

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https://bugzilla.mozilla.org/show_bug.cgi?id=504220

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<head>

  <title>Test for Bug 504220</title>

  <script src="/tests/SimpleTest/SimpleTest.js"></script>

  <script src="/tests/SimpleTest/EventUtils.js"></script>

  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>

</head>

<body onload="run_test();">

<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=504220">Mozilla Bug 504220</a>

<p id="display"></p>

<div id="content">

  <iframe id="frame" style="height:100px; width:100px; border:0"></iframe>

  <div id="status" style="display: none"></div>

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<pre id="test">

<script type="application/javascript">

/** Test for Bug 504220 **/

function run_test() {

  ok("onhashchange" in document.body,

     "document.body should contain 'onhashchange'.");

  ok("onhashchange" in window, "window should contain 'onhashchange'.");

  // window.onhashchange should mirror document.body.onhashchange.

  var func = function() { return 42; };

  document.body.onhashchange = func;

  is(window.onhashchange, func);

  // Likewise, document.body.hashchange should mirror window.onhashchange

  numEvents = 0;

  var func2 = function() { numEvents++; gGen.next() };

  window.onhashchange = func2;

  is(document.body.onhashchange, func2);

  SimpleTest.waitForExplicitFinish();

  function* waitForHashchange() {

    // Change the document's hash.  If we've been running this test manually,

    // the hash might already be "#foo", so we need to check in order to be

    // sure we trigger a hashchange.

    if (location.hash != "#foo")

      location.hash = "#foo";

    else

      location.hash = "#bar";

    yield undefined;

    is(numEvents, 1, "Exactly one hashchange should have been fired.");

    SimpleTest.finish();

  var gGen = waitForHashchange();

  gGen.next();

</script>

</pre>

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