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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/animation-with-overflow-hidden.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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diff --git a/testing/web-platform/tests/scroll-animations/scroll-timelines/animation-with-overflow-hidden.html b/testing/web-platform/tests/scroll-animations/scroll-timelines/animation-with-overflow-hidden.html
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+++ b/testing/web-platform/tests/scroll-animations/scroll-timelines/animation-with-overflow-hidden.html
@@ -0,0 +1,64 @@
+<html class="reftest-wait">
+<title>Scroll timeline with Web Animation using a scroller with overflow hidden</title>
+<link rel="help" href="https://drafts.csswg.org/scroll-animations/">
+<meta name="assert" content="Web animation correctly updates values when using a overflow: hidden on the scroller being used as the source for the ScrollTimeline">
+<link rel="match" href="animation-with-overflow-hidden-ref.html">
+
+<script src="/web-animations/testcommon.js"></script>
+<script src="/common/reftest-wait.js"></script>
+
+<style>
+ #box {
+ width: 100px;
+ height: 100px;
+ background-color: green;
+ }
+
+ #covered {
+ width: 100px;
+ height: 100px;
+ background-color: red;
+ }
+
+ #scroller {
+ overflow: hidden;
+ height: 100px;
+ width: 100px;
+ }
+
+ #contents {
+ height: 1000px;
+ width: 100%;
+ }
+</style>
+
+<div id="box"></div>
+<div id="covered"></div>
+<div id="scroller">
+ <div id="contents"></div>
+</div>
+
+<script>
+ const box = document.getElementById('box');
+ const effect = new KeyframeEffect(box,
+ [
+ {transform: 'translateY(0)', opacity: 1},
+ {transform: 'translateY(200px)', opacity: 0}
+ ]
+ );
+
+ const scroller = document.getElementById('scroller');
+ const timeline = new ScrollTimeline(
+ { source: scroller, orientation: 'block' });
+ const animation = new Animation(effect, timeline);
+ animation.play();
+
+ animation.ready.then(() => {
+ // Move the scroller to the halfway point.
+ const maxScroll = scroller.scrollHeight - scroller.clientHeight;
+ scroller.scrollTop = 0.5 * maxScroll;
+ waitForAnimationFrames(2).then(_ => {
+ takeScreenshot();
+ });
+ });
+</script>