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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /css/css-view-transitions/to-keyframe-values.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<title>CSS View Transitions: Verify to keyframe values</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
:root { view-transition-name: none }
#item {
view-transition-name: item;
width: 10px;
height: 10px;
position: relative;
}
.shifted {
left: 20px;
}
::view-transition-group(*) {
animation-play-state: paused;
}
</style>
<div id=item></div>
<script>
async_test((t) => {
document.startViewTransition(() => item.classList.add("shifted")).ready.then(() => {
let anims = document.getAnimations().filter(a => {
return a.effect.pseudoElement == '::view-transition-group(item)';
});
t.step(() => {
assert_equals(anims.length, 1);
assert_equals(anims[0].effect.getKeyframes().length, 2);
assert_true(anims[0].effect.getKeyframes()[0].transform.startsWith("matrix"),
`keyframe[0] should be matrix, not ${anims[0].effect.getKeyframes()[0].transform}`);
assert_true(anims[0].effect.getKeyframes()[1].transform.startsWith("matrix"),
`keyframe[1] should be matrix, not ${anims[0].effect.getKeyframes()[1].transform}`);
});
t.done();
});
});
</script>