1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/layout/generic/test/test_bug784410.html Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,66 @@
1.4 +<!DOCTYPE HTML>
1.5 +<html>
1.6 +<head>
1.7 + <title>Test bug 784410</title>
1.8 + <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
1.9 + <script type="application/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
1.10 + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
1.11 +</head>
1.12 +<body>
1.13 +<p id="display"></p>
1.14 +<div id="outer" style="overflow:auto; height:200px; border:2px dotted black;" onscroll="doneScroll()">
1.15 + <div id="d" style="overflow:auto; height:102px;" onscroll="doneScroll()">
1.16 + <div id="inner" style="height:100.1px; border:1px solid black; background:yellow;">Hello</div>
1.17 + </div>
1.18 + <div style="height:500px;"></div>
1.19 +</div>
1.20 +<pre id="test">
1.21 +<script class="testbody" type="text/javascript;version=1.7">
1.22 +var sel = window.getSelection();
1.23 +var outer = document.getElementById("outer");
1.24 +var d = document.getElementById("d");
1.25 +var inner = document.getElementById("inner");
1.26 +var smoothScrollPref = "general.smoothScroll";
1.27 +
1.28 +function innerScrollOffset() {
1.29 + return inner.getBoundingClientRect().top - d.getBoundingClientRect().top;
1.30 +}
1.31 +var innerStartScrollOffset = innerScrollOffset();
1.32 +
1.33 +var step = 0;
1.34 +function doneScroll() {
1.35 + ++step;
1.36 + switch (step) {
1.37 + case 1:
1.38 + is(innerScrollOffset(), innerStartScrollOffset, "Inner element should not have scrolled down");
1.39 + ok(outer.scrollTop > 0, "Outer element should have scrolled down");
1.40 +
1.41 + outer.scrollTop = 0;
1.42 + break;
1.43 + case 2:
1.44 + synthesizeWheel(inner, 4, 4,
1.45 + { deltaMode: WheelEvent.DOM_DELTA_LINE, deltaY: 1 });
1.46 + break;
1.47 + case 3:
1.48 + is(innerScrollOffset(), innerStartScrollOffset, "Inner element should not have scrolled down");
1.49 + ok(outer.scrollTop > 0, "Outer element should have scrolled down");
1.50 +
1.51 + SpecialPowers.clearUserPref(smoothScrollPref);
1.52 + SimpleTest.finish();
1.53 + break;
1.54 + }
1.55 +}
1.56 +
1.57 +function test() {
1.58 + SpecialPowers.setBoolPref(smoothScrollPref, false);
1.59 + sel.collapse(inner.firstChild, 2);
1.60 + synthesizeKey("VK_PAGE_DOWN", {});
1.61 +}
1.62 +
1.63 +SimpleTest.waitForExplicitFinish();
1.64 +SimpleTest.waitForFocus(test);
1.65 +
1.66 +</script>
1.67 +</pre>
1.68 +</body>
1.69 +</html>
