blob: 6fcb49d13761decf7e6919073abb133c890be43f [file] [log] [blame]
<!DOCTYPE html> <!-- webkit-test-runner [ AsyncOverflowScrollingEnabled=true ] -->
<head>
<style>
.outer {
position: relative;
margin: 100px;
height: 400px;
width: 200px;
border: 1px solid blue;
}
#inner {
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
overflow-x: hidden;
overflow-y: auto;
}
.big {
height: 2000px;
}
</style>
<script src="../../resources/js-test-pre.js"></script>
<script src="../../resources/ui-helper.js"></script>
<script>
function decreaseContentSize()
{
var content = document.getElementById('content');
content.classList.remove("big");
internals.updateLayoutIgnorePendingStylesheetsAndRunPostLayoutTasks();
var divTarget = document.getElementById('inner');
var divScrollPos = divTarget.scrollTop;
if (divScrollPos == 0)
testPassed("Re-sizing the content of the scrolled div correctly set a new scroll position.");
else
testFailed("Re-sizing the content of the scrolled div failed to correctly set a new scroll position. ");
testRunner.notifyDone();
}
async function scrollTest()
{
const startPosX = 150;
const startPosY = 150;
const events = [
{
type : "wheel",
viewX : startPosX,
viewY : startPosY,
deltaY : -10,
phase : "began"
},
{
type : "wheel",
deltaY : -10,
phase : "changed"
},
{
type : "wheel",
deltaY : -10,
phase : "changed"
},
{
type : "wheel",
phase : "ended"
},
{
type : "wheel",
deltaY : -10,
momentumPhase : "began"
},
{
type : "wheel",
deltaY : -10,
momentumPhase : "changed"
},
{
type : "wheel",
momentumPhase : "ended"
}
];
await UIHelper.mouseWheelSequence({ events: events });
decreaseContentSize();
}
function setUp() {
if (window.eventSender) {
testRunner.dumpAsText();
testRunner.waitUntilDone();
setTimeout(scrollTest, 0);
}
}
</script>
</head>
<body onload="setUp();">
<div class="outer">
<div id="inner">
<div id="content" class="big">This test should be run in the test harness.</div>
</div>
</div>
</body>
</html>