test_transitions_bug537151.html

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<!DOCTYPE HTML>

<html>

<!--

https://bugzilla.mozilla.org/show_bug.cgi?id=537151

-->

<head>

  <title>Test for Bug 537151</title>

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

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

  <style type="text/css">

  #display {

    transition: margin-left 200ms;

  </style>

</head>

<body>

<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=537151">Mozilla Bug 537151</a>

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

<pre id="test">

<script type="application/javascript">

/** Test for Bug 537151 **/

SimpleTest.waitForExplicitFinish();

SimpleTest.requestFlakyTimeout("untriaged");

var p = document.getElementById("display");

p.addEventListener("transitionend", listener);

var ignored = getComputedStyle(p, "").marginLeft;

p.style.marginLeft = "150px";

var event_count = 0;

function listener(event)

  ++event_count;

  setTimeout(finish, 400);

  p.style.color = "blue";

function finish()

  is(event_count, 1, "should have gotten only 1 transitionend event");

  SimpleTest.finish();

</script>

</pre>

</body>

</html>