1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/layout/base/tests/test_scroll_event_ordering.html Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,56 @@
1.4 +<!DOCTYPE HTML>
1.5 +<html>
1.6 +<!--
1.7 +https://bugzilla.mozilla.org/show_bug.cgi?id=785588
1.8 +-->
1.9 +<head>
1.10 + <title>Test for Bug 785588 --- ordering of scroll-related events</title>
1.11 + <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
1.12 + <script type="text/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
1.13 + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
1.14 +</head>
1.15 +<body>
1.16 +<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=785588">Mozilla Bug 785588</a>
1.17 +<div id="content">
1.18 + <div id="d" style="border:2px solid black; width:100px; height:100px; overflow:auto">
1.19 + <div id="inner" style="height:200px;">Hello</div>
1.20 + </div>
1.21 +</div>
1.22 +<pre id="test">
1.23 +<script>
1.24 +SimpleTest.waitForExplicitFinish();
1.25 +
1.26 +var smoothScrollPref = "general.smoothScroll";
1.27 +SpecialPowers.setBoolPref(smoothScrollPref, false);
1.28 +
1.29 +var d = document.getElementById("d");
1.30 +d.scrollTop = 0;
1.31 +var inner = document.getElementById("inner");
1.32 +
1.33 +var state = "initial";
1.34 +
1.35 +function onFrame() {
1.36 + is(state, "initial", "Must be in initial state");
1.37 + ok(d.scrollTop > 0, "Must have scrolled by some amount (got " + d.scrollTop + ")");
1.38 + state = "didOnFrame";
1.39 +}
1.40 +
1.41 +function onScroll() {
1.42 + is(state, "didOnFrame", "Must have got requestAnimationFrame callback already");
1.43 + ok(d.scrollTop > 0, "Must have scrolled by some amount (got " + d.scrollTop + ")");
1.44 + SpecialPowers.clearUserPref(smoothScrollPref);
1.45 + SimpleTest.finish();
1.46 +}
1.47 +
1.48 +function doTest() {
1.49 + window.getSelection().collapse(inner.firstChild, 0);
1.50 + window.mozRequestAnimationFrame(onFrame);
1.51 + d.onscroll = onScroll;
1.52 + sendKey("DOWN");
1.53 +}
1.54 +
1.55 +SimpleTest.waitForFocus(doTest);
1.56 +</script>
1.57 +</pre>
1.58 +</body>
1.59 +</html>
