42 lines
1.3 KiB
HTML
42 lines
1.3 KiB
HTML
<!DOCTYPE html>
|
|
<html>
|
|
<title>View transitions: computed style on pseudo-element stays in sync with the DOM element</title>
|
|
<link rel="help" href="https://www.w3.org/TR/css-view-transitions-1/">
|
|
<link rel="author" href="mailto:khushalsagar@chromium.org">
|
|
|
|
<script src="/resources/testharness.js"></script>
|
|
<script src="/resources/testharnessreport.js"></script>
|
|
|
|
<style>
|
|
div {
|
|
width: 100px;
|
|
height: 100px;
|
|
background: blue;
|
|
view-transition-name: target;
|
|
contain: paint;
|
|
}
|
|
</style>
|
|
|
|
<div id=first></div>
|
|
|
|
<script>
|
|
promise_test(async t => {
|
|
assert_implements(document.startViewTransition, "Missing document.startViewTransition");
|
|
return new Promise(async (resolve, reject) => {
|
|
let transition = document.startViewTransition();
|
|
await transition.updateCallbackDone;
|
|
await transition.ready;
|
|
|
|
let viewbox = window.getComputedStyle(
|
|
document.documentElement, "::view-transition-new(target)").objectViewBox;
|
|
assert_equals(viewbox, "none", "incorrect viewbox " + viewbox);
|
|
|
|
first.style.filter = "blur(5px)";
|
|
viewbox = window.getComputedStyle(
|
|
document.documentElement, "::view-transition-new(target)").objectViewBox;
|
|
assert_equals(viewbox, "none", "incorrect viewbox " + viewbox);
|
|
|
|
transition.finished.then(resolve, reject);
|
|
});
|
|
}, "computed style on pseudo-element stays in sync with the DOM element");
|
|
</script>
|