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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=946632
-->
<head>
<title>Test for bug 946632 - propagate mouse-wheel vertical scroll events to container</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="/tests/SimpleTest/EventUtils.js"></script>
<script src="/tests/SimpleTest/paint_listener.js"></script>
<script type="application/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 {
overflow: scroll;
height: 200px;
width: 200px;
}
input {
font-size: 72px;
height: 20px;
width: 20px;
}
</style>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=946632">Mozilla Bug 946632</a>
<p id="display"></p>
<div id="container" class="scrollable">
<input value="value">
x<br>x<br>x<br>x<br>x<br>x<br>x<br>x<br>x<br>x<br>x<br>x<br>x<br>x<br>x<br>x<br>x<br>x<br>
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
</div>
<div id="content" style="display: none">
</div>
<pre id="test">
<script type="application/javascript">
SimpleTest.waitForExplicitFinish();
SimpleTest.waitForFocus(function() {
SpecialPowers.pushPrefEnv({
"set":[["general.smoothScroll", false],
["mousewheel.system_scroll_override.enabled", false],
["test.events.async.enabled", true]]
}, runTests)
}, window);
var input = document.querySelector("input");
var container = document.querySelector("#container");
function reset()
{
container.scrollTop = 0;
container.scrollLeft = 0;
input.scrollTop = 0;
input.scrollLeft = 0;
container.style.display='none';
container.getBoundingClientRect();
}
function prepare(check)
{
return new Promise(resolve => {
container.style.display='';
container.getBoundingClientRect();
scrollHandler = function(event) {
window.removeEventListener("scroll", arguments.callee, true);
event.stopPropagation();
check(event)
resolve();
};
window.addEventListener("scroll", scrollHandler, true);
});
}
var tests = [
{
check(event) {
is(event.target, container, "<input> vertical line scroll targets container");
ok(container.scrollTop > 0, "<input> vertical line scroll container.scrollTop");
is(container.scrollLeft, 0, "<input> vertical line scroll container.scrollLeft");
is(input.scrollTop, 0, "<input> horizontal line scroll input.scrollTop");
is(input.scrollLeft, 0, "<input> horizontal line scroll input.scrollLeft");
},
event: {
deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaY: 1.0,
lineOrPageDeltaY: 1,
}
},
{
check(event) {
is(event.target, input, "<input> horizontal line scroll targets <input>");
is(input.scrollTop, 0, "<input> horizontal line scroll input.scrollTop");
ok(input.scrollLeft > 0, "<input> horizontal line scroll input.scrollLeft");
is(container.scrollTop, 0, "<input> horizontal line scroll container.scrollTop");
is(container.scrollLeft, 0, "<input> horizontal line scroll container.scrollLeft");
},
event: {
deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 1.0,
lineOrPageDeltaX: 1
}
},
{
check(event) {
is(event.target, container, "<input> vertical page scroll targets container");
ok(container.scrollTop > 0, "<input> vertical line scroll container.scrollTop");
is(container.scrollLeft, 0, "<input> vertical line scroll container.scrollLeft");
is(input.scrollTop, 0, "<input> vertical page scroll input.scrollTop");
is(input.scrollLeft, 0, "<input> vertical page scroll input.scrollLeft");
},
event: {
deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaY: 1.0,
lineOrPageDeltaY: 1
}
},
{
check(event) {
is(event.target, input, "<input> horizontal page scroll targets <input>");
is(input.scrollTop, 0, "<input> horizontal page scroll input.scrollTop");
ok(input.scrollLeft > 0, "<input> horizontal page scroll input.scrollLeft");
is(container.scrollTop, 0, "<input> horizontal page scroll container.scrollTop");
is(container.scrollLeft, 0, "<input> horizontal page scroll container.scrollLeft");
},
event: {
deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 1.0,
lineOrPageDeltaX: 1
}
},
];
async function runTests()
{
for (var i = 0; i < tests.length; i++) {
var test = tests[i];
reset();
await promiseApzFlushedRepaints();
let testEndPromise = prepare(test.check);
await new Promise(resolve => {
sendWheelAndPaint(input, 8, 6, test.event, resolve);
});
await testEndPromise;
}
SpecialPowers.DOMWindowUtils.restoreNormalRefresh();
SimpleTest.finish();
}
</script>
</pre>
</body>
</html>
|
