gecko-dev/layout/forms/test/test_bug572649.html

64 строки
1.5 KiB
HTML

<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=572649
-->
<head>
<title>Test for Bug 572649</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>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=572649">Mozilla Bug 572649</a>
<p id="display">
<textarea id="area" rows="5">
Here
is
some
very
long
text
that
we're
using
for
testing
purposes
</textarea>
</p>
<div id="content" style="display: none">
</div>
<pre id="test">
<script type="application/javascript">
/** Test for Bug 572649 **/
SimpleTest.waitForExplicitFinish();
// We intermittently trigger two "Wrong parent ComputedStyle" assertions
// on B2G emulator builds (bug XXXXXXX). The two frames that get incorrect
// ComputedStyle parents are scroll bar parts in the <textarea>.
SimpleTest.expectAssertions(0, 2);
addLoadEvent(function() {
var area = document.getElementById("area");
is(area.scrollTop, 0, "The textarea should not be scrolled initially");
area.addEventListener("focus", function() {
setTimeout(function() {
is(area.scrollTop, 0, "The textarea's insertion point should not be scrolled into view");
SimpleTest.finish();
}, 0);
}, {once: true});
setTimeout(function() {
var rect = area.getBoundingClientRect();
synthesizeMouse(area, rect.width - 5, 5, {});
}, 0);
});
</script>
</pre>
</body>
</html>