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LibWeb: Add a test for Animation.play()

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Matthew Olsson 2024-03-27 19:42:23 -07:00 committed by Andreas Kling
parent 7472536ecb
commit 074f5429a6
Notes: sideshowbarker 2024-07-17 06:54:15 +09:00 
Author: https://github.com/mattco98
Commit: https://github.com/SerenityOS/serenity/commit/074f5429a6
Pull-request: https://github.com/SerenityOS/serenity/pull/23756
2 changed files with 39 additions and 0 deletions
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4
Tests/LibWeb/Text/expected/WebAnimations/animation-methods/play.txt Normal file
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Cannot rewind an animation with an infinite effect end
play() leaves animation's startTime unresolved: true
play() does not recreate the animation's ready promise
play() does not synchronously resolve the ready promise

35
Tests/LibWeb/Text/input/WebAnimations/animation-methods/play.html Normal file
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<!DOCTYPE html>
<div id="foo"></div>
<script src="../../include.js"></script>
<script>
test(() => {
const foo = document.getElementById("foo");
let anim = foo.animate({}, { duration: Infinity });
anim.cancel();
anim.playbackRate = -1;
try {
anim.play();
} catch {
println("Cannot rewind an animation with an infinite effect end")
}
anim = foo.animate({}, {});
anim.play();
println(`play() leaves animation's startTime unresolved: ${anim.startTime === null}`);
anim = foo.animate({}, {});
let oldPromise = anim.ready;
anim.play();
if (Object.is(oldPromise, anim.ready))
println("play() does not recreate the animation's ready promise");
anim = foo.animate({}, {});
anim.play();
anim.ready.catch(() => {
println("play() does not synchronously resolve the ready promise");
});
anim.cancel();
});
</script>