layout/base/tests/test_scroll_event_ordering.html@6474c204b198
layout/base/tests/test_scroll_event_ordering.html
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
1 <!DOCTYPE HTML>
2 <html>
3 <!--
4 https://bugzilla.mozilla.org/show_bug.cgi?id=785588
5 -->
6 <head>
7 <title>Test for Bug 785588 --- ordering of scroll-related events</title>
8 <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
9 <script type="text/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
10 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
11 </head>
12 <body>
13 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=785588">Mozilla Bug 785588</a>
14 <div id="content">
15 <div id="d" style="border:2px solid black; width:100px; height:100px; overflow:auto">
16 <div id="inner" style="height:200px;">Hello</div>
17 </div>
18 </div>
19 <pre id="test">
20 <script>
21 SimpleTest.waitForExplicitFinish();
23 var smoothScrollPref = "general.smoothScroll";
24 SpecialPowers.setBoolPref(smoothScrollPref, false);
26 var d = document.getElementById("d");
27 d.scrollTop = 0;
28 var inner = document.getElementById("inner");
30 var state = "initial";
32 function onFrame() {
33 is(state, "initial", "Must be in initial state");
34 ok(d.scrollTop > 0, "Must have scrolled by some amount (got " + d.scrollTop + ")");
35 state = "didOnFrame";
36 }
38 function onScroll() {
39 is(state, "didOnFrame", "Must have got requestAnimationFrame callback already");
40 ok(d.scrollTop > 0, "Must have scrolled by some amount (got " + d.scrollTop + ")");
41 SpecialPowers.clearUserPref(smoothScrollPref);
42 SimpleTest.finish();
43 }
45 function doTest() {
46 window.getSelection().collapse(inner.firstChild, 0);
47 window.mozRequestAnimationFrame(onFrame);
48 d.onscroll = onScroll;
49 sendKey("DOWN");
50 }
52 SimpleTest.waitForFocus(doTest);
53 </script>
54 </pre>
55 </body>
56 </html>
