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Test Info: Warnings
- This test has a WPT meta file that expects 1 subtest issues.
- This WPT test may be referenced by the following Test IDs:
- /css/css-view-transitions/group-animation-for-root-transition.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<html>
<title>View transitions: group pseudo for the root transition has animation</title>
<link rel="author" href="mailto:khushalsagar@chromium.org">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
promise_test(() => {
assert_implements(document.startViewTransition, "Missing document.startViewTransition");
return new Promise(async (resolve, reject) => {
let transition = document.startViewTransition();
transition.ready.then(() => {
let groupAnimationCount = 0;
let oldAnimationCount = 0;
let newAnimationCount = 0;
document.getAnimations().forEach((animation) => {
let pseudo = animation.effect.pseudoElement;
if (pseudo == "::view-transition-group(root)") {
groupAnimationCount++;
} else if (pseudo == "::view-transition-new(root)") {
newAnimationCount++;
} else if (pseudo == "::view-transition-old(root)") {
oldAnimationCount++;
} else {
reject();
}
});
let total =
groupAnimationCount + oldAnimationCount + newAnimationCount;
// Old/new images have 2 animations : opacity and mix-blend-mode.
if (total == 5) {
assert_equals(groupAnimationCount, 1);
assert_equals(oldAnimationCount, 2);
assert_equals(newAnimationCount, 2);
resolve();
} else {
reject();
}
});
});
}, "incorrect UA animations for root transition");
</script>