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Test Info:
<!DOCTYPE HTML>↩
<html>↩
<!--↩
-->↩
<head>↩
<meta charset="utf-8">↩
<script src="/tests/SimpleTest/SimpleTest.js"></script>↩
<script src="/tests/SimpleTest/EventUtils.js"></script>↩
<script type="text/javascript" src="/tests/gfx/layers/apz/test/mochitest/apz_test_utils.js"></script>↩
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>↩
<style>↩
#scrollable {↩
height: 80px;↩
width: 200px;↩
overflow-y: scroll;↩
margin-bottom: 50px;↩
scroll-behavior: auto;↩
}↩
</style>↩
</head>↩
<body>↩
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1303704">Mozilla Bug 1303704</a>↩
<p id="display"></p>↩
<div id="scrollable">↩
<pre>↩
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</pre>↩
</div>↩
<script type="text/javascript">↩
↩
SimpleTest.waitForExplicitFinish();↩
↩
function runTests() {↩
let link1 = window.document.getElementById("link1");↩
let mouseEvents = ["mousedown", "mouseup", "mousemove"];↩
↩
link1.addEventListener("pointerdown", (e) => {↩
e.preventDefault();↩
is(e.defaultPrevented, true, "defaultPrevented should be true");↩
});↩
↩
mouseEvents.forEach((elm, index, arr) => {↩
link1.addEventListener(elm, () => {↩
ok(false, "Should not receive " + elm + " after preventDefault on pointerdown");↩
});↩
});↩
↩
link1.addEventListener("click", (e) => {↩
e.preventDefault();↩
});↩
↩
synthesizeMouseAtCenter(link1, { type: "mousedown",↩
inputSource: MouseEvent.MOZ_SOURCE_MOUSE });↩
synthesizeMouseAtCenter(link1, { type: "mousemove",↩
inputSource: MouseEvent.MOZ_SOURCE_MOUSE });↩
synthesizeMouseAtCenter(link1, { type: "mouseup",↩
inputSource: MouseEvent.MOZ_SOURCE_MOUSE });↩
↩
if (navigator.userAgent.includes("Android") ||↩
navigator.userAgent.includes("Mac") ||↩
SpecialPowers.Cc["@mozilla.org/gfx/info;1"].↩
getService(SpecialPowers.Ci.nsIGfxInfo).isHeadless) {↩
SimpleTest.finish();↩
return;↩
}↩
↩
async function scrollTest() {↩
var scrollable = document.getElementById("scrollable");↩
scrollable.addEventListener('pointerdown', function(ev) {↩
ev.preventDefault();↩
}, true);↩
var rect = scrollable.getBoundingClientRect();↩
var offsetX = rect.width - 5;↩
var offsetY = rect.height - 5;↩
synthesizeMouse(scrollable, offsetX, offsetY,↩
{ type: "mousedown",↩
inputSource: MouseEvent.MOZ_SOURCE_MOUSE });↩
↩
synthesizeMouse(scrollable, offsetX, offsetY,↩
{ type: "mousemove",↩
inputSource: MouseEvent.MOZ_SOURCE_MOUSE });↩
↩
synthesizeMouse(scrollable, offsetX, offsetY,↩
{ type: "mouseup",↩
inputSource: MouseEvent.MOZ_SOURCE_MOUSE });↩
↩
await waitToClearOutAnyPotentialScrolls(window);↩
↩
if (scrollable.scrollTop != 0) {↩
isnot(scrollable.scrollTop, 0,↩
"Scrollable element should have been scrolled.");↩
SimpleTest.finish();↩
} else {↩
setTimeout(scrollTest);↩
}↩
}↩
↩
setTimeout(() => {↩
var scrollable = document.getElementById("scrollable");↩
is(scrollable.scrollTop, 0,↩
"Scrollable element shouldn't be scrolled initially");↩
scrollTest();↩
});↩
}↩
↩
SimpleTest.waitForFocus(() => {↩
SpecialPowers.pushPrefEnv({"set": [["general.smoothScroll", false]]}, runTests);↩
});↩
↩
</script>↩
</body>↩
</html>↩