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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /testing/web-platform/tests/scroll-animations/scroll-timelines/reverse-animation.html
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>Reversing an animation</title>
+<link rel="help"
+ href="https://drafts.csswg.org/web-animations/#reversing-an-animation-section">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/web-animations/testcommon.js"></script>
+<script src="testcommon.js"></script>
+<style>
+.scroller {
+ overflow: auto;
+ height: 100px;
+ width: 100px;
+ will-change: transform;
+}
+
+.contents {
+ height: 1000px;
+ width: 100%;
+}
+</style>
+<body>
+<script>
+'use strict';
+
+promise_test(async t => {
+ const animation = createScrollLinkedAnimation(t);
+ animation.reverse();
+ animation.currentTime = CSSNumericValue.parse("40%");
+ await animation.ready;
+ assert_percents_equal(animation.currentTime, 40);
+}, 'Setting current time while reverse-pending preserves currentTime');
+
+promise_test(async t => {
+ const animation = createScrollLinkedAnimation(t);
+ animation.play();
+ await animation.ready;
+
+ animation.currentTime = CSSNumericValue.parse("50%");
+ const previousPlaybackRate = animation.playbackRate;
+ animation.reverse();
+ assert_equals(animation.playbackRate, previousPlaybackRate,
+ 'Playback rate should not have changed');
+ await animation.ready;
+
+ assert_equals(animation.playbackRate, -previousPlaybackRate,
+ 'Playback rate should be inverted');
+}, 'Reversing an animation inverts the playback rate');
+
+promise_test(async t => {
+ const animation = createScrollLinkedAnimation(t);
+ animation.play();
+ animation.currentTime = CSSNumericValue.parse("40%");
+ await animation.ready;
+ assert_percents_equal(animation.startTime, -40);
+ assert_percents_equal(animation.currentTime, 40);
+
+ animation.reverse();
+ await animation.ready;
+ assert_percents_equal(animation.startTime, 100);
+ assert_percents_equal(animation.currentTime, 100);
+}, 'Reversing an animation resets a sticky start time.');
+
+promise_test(async t => {
+ const animation = createScrollLinkedAnimation(t);
+ animation.play();
+ assert_true(animation.pending,
+ 'The animation is pending before we call reverse');
+
+ animation.reverse();
+
+ assert_true(animation.pending,
+ 'The animation is still pending after calling reverse');
+}, 'Reversing an animation does not cause it to leave the pending state');
+
+promise_test(async t => {
+ const animation = createScrollLinkedAnimation(t);
+ animation.play();
+ let readyResolved = false;
+ animation.ready.then(() => { readyResolved = true; });
+
+ animation.reverse();
+
+ await Promise.resolve();
+ assert_false(readyResolved,
+ 'ready promise should not have been resolved yet');
+}, 'Reversing an animation does not cause it to resolve the ready promise');
+
+promise_test(async t => {
+ const animation = createScrollLinkedAnimation(t);
+ animation.play();
+ animation.playbackRate = -1;
+ animation.reverse();
+ await animation.ready;
+
+ assert_percents_equal(animation.currentTime, 0);
+}, 'Reversing an animation with a negative playback rate should cause ' +
+ 'the animation to play in a forward direction');
+
+promise_test(async t => {
+ const animation = createScrollLinkedAnimation(t);
+ animation.play();
+ animation.playbackRate = 0;
+ animation.currentTime = CSSNumericValue.parse("50%");
+ animation.reverse();
+
+ await animation.ready;
+ assert_equals(animation.playbackRate, 0,
+ 'reverse() should preserve playbackRate if the playbackRate == 0');
+ assert_percents_equal(animation.currentTime, 0,
+ 'Anchors to range start boundary when playback rate is zero');
+}, 'Reversing when when playbackRate == 0 should preserve the playback rate');
+
+promise_test(async t => {
+ const animation = createScrollLinkedAnimation(t);
+ assert_equals(animation.currentTime, null);
+
+ animation.reverse();
+ await animation.ready;
+
+ assert_percents_equal(animation.startTime, 100,
+ 'animation.startTime should be at its effect end');
+ assert_percents_equal(animation.currentTime, 100,
+ 'animation.currentTime should be at its effect end');
+}, 'Reversing an idle animation aligns startTime with the rangeEnd boundary');
+
+promise_test(async t => {
+ const animation = createScrollLinkedAnimation(t);
+ const scroller = animation.timeline.source;
+ // Make the scroll timeline inactive.
+ scroller.style.overflow = 'visible';
+ scroller.scrollTop;
+ await waitForNextFrame();
+
+ assert_throws_dom('InvalidStateError', () => { animation.reverse(); });
+}, 'Reversing an animation without an active timeline throws an ' +
+ 'InvalidStateError');
+
+promise_test(async t => {
+ const animation = createScrollLinkedAnimation(t);
+ animation.play();
+ animation.currentTime = CSSNumericValue.parse("50%");
+ animation.pause();
+ await animation.ready;
+
+ animation.reverse();
+ assert_equals(animation.playState, 'running',
+ 'Animation.playState should be "running" after reverse()');
+}, 'Reversing an animation plays a pausing animation');
+
+promise_test(async t => {
+ const animation = createScrollLinkedAnimation(t);
+ animation.play();
+ await animation.ready;
+
+ animation.updatePlaybackRate(2);
+ animation.reverse();
+
+ await animation.ready;
+ assert_equals(animation.playbackRate, -2);
+}, 'Reversing should use the negative pending playback rate');
+</script>
+</body>