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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /animation-worklet/worklet-animation-with-fill-mode.https.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<title>Test that worklet animation works with different fill modes</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/web-animations/testcommon.js"></script>
<script src="common.js"></script>
<style>
.target {
width: 100px;
height: 100px;
background-color: green;
}
</style>
<div id="target" class='target'></div>
<script>
setup(setupAndRegisterTests, {explicit_done: true});
function setupAndRegisterTests() {
registerConstantLocalTimeAnimator(2000).then(() => {
promise_test(
effect_with_fill_mode_forwards,
"Effect with fill mode forwards in after phase produces output that is equivalent to effect's end value.");
promise_test(
effect_without_fill_mode_forwards,
'Effect without fill mode forwards in after phase (local time beyond end) should deactivate the animation.');
promise_test(
effect_without_fill_forwards_at_end,
'Effect without fill mode in after phase (local time at end) should deactivate the animation.');
promise_test(
effect_with_fill_backwards,
"Effect with fill mode backwards in before phase produces output that is equivalent to effect's start value.");
promise_test(
effect_without_fill_backwards,
'Effect without fill mode backwards in before phase (local time before start) should deactivate the animation.');
promise_test(
effect_without_fill_backwards_at_start,
'Effect with local time at start point is in active phase.');
done();
});
}
async function effect_with_fill_mode_forwards(t) {
const effect_with_fill_forwards = new KeyframeEffect(
target,
{ opacity: [0.5, 0] },
{ duration: 1000, fill: 'forwards' });
const animation = new WorkletAnimation(
'constant_time',
effect_with_fill_forwards);
animation.play();
await waitForNotNullLocalTime(animation);
assert_equals(getComputedStyle(target).opacity, '0');
animation.cancel();
}
async function effect_without_fill_mode_forwards(t) {
const effect_without_fill_forwards = new KeyframeEffect(
target,
{ opacity: [0.5, 0] },
{ duration: 1000 });
const animation = new WorkletAnimation(
'constant_time',
effect_without_fill_forwards);
animation.play();
await waitForNotNullLocalTime(animation);
assert_equals(getComputedStyle(target).opacity, '1');
animation.cancel();
}
async function effect_without_fill_forwards_at_end(t) {
const effect_without_fill_forwards_at_end = new KeyframeEffect(
target,
{ opacity: [0.5, 0] },
{ duration: 2000 });
const animation = new WorkletAnimation(
'constant_time',
effect_without_fill_forwards_at_end);
animation.play();
await waitForNotNullLocalTime(animation);
assert_equals(getComputedStyle(target).opacity, '1');
animation.cancel();
}
async function effect_with_fill_backwards(t) {
const effect_with_fill_backwards = new KeyframeEffect(
target,
{ opacity: [0.5, 0] },
{ duration: 1000, delay: 2001, fill: 'backwards' });
const animation = new WorkletAnimation(
'constant_time',
effect_with_fill_backwards);
animation.play();
await waitForNotNullLocalTime(animation);
assert_equals(getComputedStyle(target).opacity, '0.5');
animation.cancel();
}
async function effect_without_fill_backwards(t) {
const effect_without_fill_backwards = new KeyframeEffect(
target,
{ opacity: [0.5, 0] },
{ duration: 1000, delay: 2001 });
const animation = new WorkletAnimation(
'constant_time',
effect_without_fill_backwards);
animation.play();
waitForNotNullLocalTime(animation);
assert_equals(getComputedStyle(target).opacity, '1');
animation.cancel();
}
async function effect_without_fill_backwards_at_start(t) {
const effect_without_fill_backwards_at_start = new KeyframeEffect(
target,
{ opacity: [0.5, 0] },
{ duration: 1000, delay: 2000 });
const animation = new WorkletAnimation(
'constant_time',
effect_without_fill_backwards_at_start);
animation.play();
await waitForNotNullLocalTime(animation);
assert_equals(getComputedStyle(target).opacity, '0.5');
animation.cancel();
}
</script>