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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-nearest-with-absolute-positioned-element.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>The animation-timeline: scroll-timeline-name</title>
+<meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1">
+<link rel="help" src="https://drafts.csswg.org/scroll-animations-1/rewrite#scroll-timelines-named">
+<link rel="help" src="https://github.com/w3c/csswg-drafts/issues/6674">
+<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>
+ @keyframes grow-progress {
+ to { width: 300px; }
+ }
+
+ .scrollcontainer {
+ overflow-x: scroll;
+ display: flex;
+ flex-direction: row;
+ scroll-timeline: --timeline inline;
+ }
+
+ .progress {
+ position: absolute;
+ z-index: 10;
+ left: 0;
+ top: 0;
+ width: 100px;
+ height: 1em;
+ background: red;
+ animation: auto grow-progress linear forwards;
+ animation-timeline: scroll(inline nearest);
+ }
+
+ .entry {
+ min-height: 90vh;
+ min-width: 100vw;
+ }
+
+ .entry:nth-child(even) {
+ background-color: #eee;
+ }
+
+ .entry:nth-child(odd) {
+ background-color: #ddd;
+ }
+</style>
+<body>
+ <div class = "scrollcontainer" id = "scroller">
+ <div class = "progress" id = "target"></div>
+ <div class = "entry"></div>
+ <div class = "entry"></div>
+ <div class = "entry"></div>
+ </div>
+</body>
+<script>
+"use strict";
+
+setup(assert_implements_animation_timeline);
+
+promise_test(async t => {
+ const maxScroll = scroller.scrollWidth - scroller.clientWidth;
+ scroller.scrollLeft = maxScroll;
+
+ // Advance to next frame so that scroll-timeline has a valid time.
+ await waitForNextFrame();
+
+ // Flex container is not position relative and therefore not the container for
+ // the progress element.
+ assert_equals(getComputedStyle(target).width, "100px");
+
+ // Once the scroller is position relative, it becomes the container block for
+ // the progress element.
+ scroller.style.position = 'relative';
+ await waitForNextFrame();
+
+ assert_equals(getComputedStyle(target).width, "300px");
+}, 'Resolving scroll(nearest) for an absolutely positioned element');
+
+</script>