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<!DOCTYPE html>
<title>View transitions: hit testing the pseudo-elements should always return the document element</title>
<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
<link rel="author" title="Tim Nguyen" href="https://github.com/nt1m">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
html { view-transition-name: none; }
body { margin: 0; }
#target {
width: 100px;
height: 100vh;
view-transition-name: target;
}
::view-transition {
background-color: green;
}
::view-transition,
::view-transition-group(target),
::view-transition-image-pair(target) {
height: 100%;
padding-left: 100px;
}
::view-transition-group(target) {
animation-duration: 30s;
background-color: lightgreen;
}
::view-transition-image-pair(target) {
height: 100%;
background-color: skyblue;
animation: none;
margin-left: 100px;
}
::view-transition-old(target) {
height: 100%;
width: 100px;
animation: none;
background-color: navy;
}
::view-transition-new(target) {
height: 100%;
width: 100px;
margin-left: 100px;
animation: none;
background-color: purple;
}
</style>
<div id=target></div>
<script>
async_test(t => {
assert_implements(document.startViewTransition, "Missing document.startViewTransition");
document.startViewTransition(() => {
requestAnimationFrame(async () => {
// ::view-transition-group
t.step(() => assert_equals(document.elementFromPoint(20, 20), document.documentElement));
// ::view-transition-image-pair
t.step(() => assert_equals(document.elementFromPoint(120, 20), document.documentElement));
// ::view-transition-old
t.step(() => assert_equals(document.elementFromPoint(220, 20), document.documentElement));
// ::view-transition-new
t.step(() => assert_equals(document.elementFromPoint(320, 20), document.documentElement));
// ::view-transition
t.step(() => assert_equals(document.elementFromPoint(420, 20), document.documentElement));
t.done();
});
});
}, "Hit-testing view transition pseudo-elements should always return the document element");
</script>
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