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<!DOCTYPE html>
<html>
<title>Touch Action None on body when style propagates from body to viewport</title>
<head>
<style>
html {
touch-action: none;
}
body {
overflow: auto;
}
</style>
<link rel="help" href="crbug.com/1031745">
<link rel="help" href="https://drafts.csswg.org/css-overflow-3/#overflow-propagation">
<link rel="help" href="https://w3c.github.io/pointerevents/#determining-supported-touch-behavior">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-actions.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script src="pointerevent_support.js"></script>
</head>
<body onload="onLoad()">
<h2>Pointer Events touch-action none on body when style propagates from body to viewport</h2>
<h4>Test Description: Try to touch scroll. You shouldn't be able to.</h4>
<p>Note: this test is for touch only</p>
Body with touch-action=none.
<p>Paragraph with touch-action=none</p>
<p>Paragraph with touch-action=none</p>
<p>Paragraph with touch-action=none</p>
<p>Paragraph with touch-action=none</p>
<p>Paragraph with touch-action=none</p>
<p>Paragraph with touch-action=none</p>
<p>Paragraph with touch-action=none</p>
<p>Paragraph with touch-action=none</p>
<p>Paragraph with touch-action=none</p>
<p>Paragraph with touch-action=none</p>
<p>Paragraph with touch-action=none</p>
<p>Paragraph with touch-action=none</p>
<p>Paragraph with touch-action=none</p>
<p>Paragraph with touch-action=none</p>
<p>Paragraph with touch-action=none</p>
<p>Paragraph with touch-action=none</p>
<p>Paragraph with touch-action=none</p>
<p>Paragraph with touch-action=none</p>
<p>Paragraph with touch-action=none</p>
<p>Paragraph with touch-action=none</p>
<p>Paragraph with touch-action=none</p>
<p>Paragraph with touch-action=none</p>
<p>Paragraph with touch-action=none</p>
<p>Paragraph with touch-action=none</p>
<p>Paragraph with touch-action=none</p>
<p>Paragraph with touch-action=none</p>
<p>Paragraph with touch-action=none</p>
<p>Paragraph with touch-action=none</p>
<p>Paragraph with touch-action=none</p>
<p>Paragraph with touch-action=none</p>
<p>Paragraph with touch-action=none</p>
<p>Paragraph with touch-action=none</p>
<p>Paragraph with touch-action=none</p>
<p>Paragraph with touch-action=none</p>
<p>Paragraph with touch-action=none</p>
<p>Paragraph with touch-action=none</p>
<p>Paragraph with touch-action=none</p>
<p>Paragraph with touch-action=none</p>
<p>Paragraph with touch-action=none</p>
<script>
function onLoad(){
var body = document.body;
if(!window.promise_test)
return;
promise_test(function(t){
return new Promise(async function(resolve,reject){
await touchScrollInTarget(body, 'down');
await touchScrollInTarget(body, 'right');
t.step(function(){
assert_equals(document.scrollingElement.scrollLeft, 0, "scrollingElement scroll x offset should be 0 in the end of the test");
assert_equals(document.scrollingElement.scrollTop, 0, "scrollingElement scroll y offset should be 0 in the end of the test");
});
resolve();
}).then(
()=>{t.done();},
()=>{t.done();}
);}, "touch-action none on body when style propagates to viewport");
}
</script>
</body>
</html>
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