| Index: third_party/WebKit/LayoutTests/web-animations-api/start-time-grouping.html
|
| diff --git a/third_party/WebKit/LayoutTests/web-animations-api/start-time-grouping.html b/third_party/WebKit/LayoutTests/web-animations-api/start-time-grouping.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..7157ec4e64297865c00893e745cdcf3cf458d1c1
|
| --- /dev/null
|
| +++ b/third_party/WebKit/LayoutTests/web-animations-api/start-time-grouping.html
|
| @@ -0,0 +1,50 @@
|
| +<!DOCTYPE html>
|
| +<script src="../resources/testharness.js"></script>
|
| +<script src="../resources/testharnessreport.js"></script>
|
| +<style>
|
| +div {
|
| + width: 50px;
|
| + height: 50px;
|
| + background: green;
|
| +}
|
| +</style>
|
| +<div id=target1></div>
|
| +<div id=target2></div>
|
| +<script>
|
| +var anim1, anim2;
|
| +anim1 = target1.animate([
|
| + {transform: 'none'},
|
| + {transform: 'translateX(500px)'},
|
| +], 1000);
|
| +
|
| +function awaitFrame(frameTest) {
|
| + return new Promise(resolve => {
|
| + requestAnimationFrame(() => {
|
| + if (frameTest()) {
|
| + resolve();
|
| + } else {
|
| + awaitFrame(frameTest).then(resolve);
|
| + }
|
| + });
|
| + });
|
| +}
|
| +
|
| +awaitFrame(() => anim1.currentTime > 100).then(() => {
|
| + requestAnimationFrame(t => {
|
| + // Testing a regression where scheduling anim1 and anim2 together caused anim2
|
| + // to get anim1's start time.
|
| + anim1.startTime = t - 100;
|
| + anim2 = target2.animate([
|
| + {transform: 'none'},
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| + {transform: 'translateX(500px)'},
|
| + ], 200);
|
| + });
|
| +});
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| +
|
| +async_test(t => {
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| + awaitFrame(() => anim2 && anim2.startTime != null).then(() => {
|
| + t.step(() => assert_not_equals(Math.round(anim1.startTime), Math.round(anim2.startTime)));
|
| + t.done();
|
| + });
|
| +});
|
| +</script>
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|
|