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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=915962
-->
<head>
<title>Test for Bug 915962</title>
<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
<script type="text/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=915962">Mozilla Bug 915962</a>
<p id="display"></p>
<div id="content">
</div>
<pre id="test">
<script type="application/javascript">
/** Test for Bug 915962 **/
var smoothScrollPref = "general.smoothScroll";
SimpleTest.waitForExplicitFinish();
var win = window.open("file_bug915962.html", "_blank",
"width=600,height=600,scrollbars=yes");
// grab the timer right at the start
var cwu = SpecialPowers.getDOMWindowUtils(win);
function step() {
cwu.advanceTimeAndRefresh(100);
}
SimpleTest.waitForFocus(function() {
SpecialPowers.pushPrefEnv({"set":[[smoothScrollPref, false]]}, startTest);
}, win);
function startTest() {
// Make sure that pressing Space when a tabindex=-1 element is focused
// will scroll the page.
var button = win.document.querySelector("button");
var sc = win.document.querySelector("div");
sc.focus();
is(win.scrollY, 0, "Sanity check");
synthesizeKey(" ", {}, win);
step();
isnot(win.scrollY, 0, "Page is scrolled down");
var oldY = win.scrollY;
synthesizeKey(" ", {shiftKey: true}, win);
step();
ok(win.scrollY < oldY, "Page is scrolled up");
// Make sure that pressing Space when a tabindex=-1 element is focused
// will not scroll the page, and will activate the element.
button.focus();
var clicked = false;
button.onclick = () => clicked = true;
oldY = win.scrollY;
synthesizeKey(" ", {}, win);
step();
ok(win.scrollY <= oldY, "Page is not scrolled down");
ok(clicked, "The button should be clicked");
synthesizeKey("VK_TAB", {}, win);
step();
oldY = win.scrollY;
synthesizeKey(" ", {}, win);
step()
ok(win.scrollY >= oldY, "Page is scrolled down");
win.close();
cwu.restoreNormalRefresh();
win = window.open("file_bug915962.html", "_blank",
"width=600,height=600,scrollbars=yes");
cwu = SpecialPowers.getDOMWindowUtils(win);
SimpleTest.waitForFocus(function() {
is(win.scrollY, 0, "Sanity check");
synthesizeKey(" ", {}, win);
step();
isnot(win.scrollY, 0, "Page is scrolled down without crashing");
win.close();
cwu.restoreNormalRefresh();
SimpleTest.finish();
}, win);
}
</script>
</pre>
</body>
</html>
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