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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/css/scroll-timeline-in-container-query.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>
+<title>scroll-timeline and container queries</title>
+<link rel="help" src="https://drafts.csswg.org/scroll-animations-1/#scroll-timeline-shorthand">
+<link rel="help" src="https://drafts.csswg.org/css-contain-3/#container-queries">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/web-animations/testcommon.js"></script>
+<script src="support/testcommon.js"></script>
+<style>
+ #outer {
+ height: 100px;
+ width: 150px;
+ }
+
+ #container {
+ container-type: size;
+ }
+
+ #scroller {
+ overflow: auto;
+ width: auto;
+ height: 100px;
+ }
+
+ #scroller > div {
+ height: 200px;
+ }
+
+ /* This does not apply initially. */
+ @container (width > 200px) {
+ #scroller {
+ scroll-timeline: --timeline;
+ }
+ }
+
+ @keyframes recolor {
+ from { background-color: rgb(100, 100, 100); }
+ to { background-color: rgb(200, 200, 200); }
+ }
+
+ #element {
+ height: 10px;
+ width: 10px;
+ animation: recolor 10s linear;
+ animation-timeline: --timeline;
+ background-color: rgb(0, 0, 0);
+ }
+</style>
+<div id=outer>
+ <div id=container>
+ <div id=scroller>
+ <div></div>
+ <div id=element></div>
+ </div>
+ </div>
+</div>
+<script>
+ setup(assert_implements_animation_timeline);
+
+ promise_test(async (t) => {
+ element.offsetTop;
+ scroller.scrollTop = (scroller.scrollHeight - scroller.clientHeight) / 2;
+ await waitForNextFrame();
+ // Unknown timeline, time held at zero.
+ assert_equals(getComputedStyle(element).backgroundColor, 'rgb(100, 100, 100)');
+ // This causes the timeline to be created.
+ outer.style.width = '250px';
+ // Check value with getComputedStyle immediately, which is the unanimated
+ // value since the scroll timeline is inactive before the next frame.
+ assert_equals(getComputedStyle(element).backgroundColor, 'rgb(0, 0, 0)');
+ // Also check value after one frame.
+ await waitForNextFrame();
+ assert_equals(getComputedStyle(element).backgroundColor, 'rgb(150, 150, 150)');
+ }, 'Timeline appearing via container queries');
+</script>