gecko-dev/layout/style/test/test_transitions_and_zoom.html

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HTML

<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=583219
-->
<head>
<title>Test for Bug 583219</title>
<script type="application/javascript" 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 1s linear;
}
</style>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=583219">Mozilla Bug 583219</a>
<p id="display"></p>
<pre id="test">
<script type="application/javascript">
/** Test for Bug 583219 **/
var p = document.getElementById("display");
var cs = getComputedStyle(p, "");
cs.marginLeft;
p.addEventListener("transitionend", TransitionEndHandler);
p.style.marginLeft = "100px";
cs.marginLeft;
SpecialPowers.setFullZoom(window, 2.0)
SimpleTest.waitForExplicitFinish();
function TransitionEndHandler(event) {
ok(true, "transition has completed");
is(event.propertyName, "margin-left", "event.propertyName");
is(cs.marginLeft, "100px", "value of margin-left");
SpecialPowers.setFullZoom(window, 1.0)
SimpleTest.finish();
}
</script>
</pre>
</body>
</html>