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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
| commit | 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch) | |
| tree | a31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /testing/web-platform/tests/scroll-animations/css/scroll-timeline-nearest-with-absolute-positioned-element.html | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.tar.xz firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.zip | |
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/scroll-animations/css/scroll-timeline-nearest-with-absolute-positioned-element.html')
| -rw-r--r-- | testing/web-platform/tests/scroll-animations/css/scroll-timeline-nearest-with-absolute-positioned-element.html | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/testing/web-platform/tests/scroll-animations/css/scroll-timeline-nearest-with-absolute-positioned-element.html b/testing/web-platform/tests/scroll-animations/css/scroll-timeline-nearest-with-absolute-positioned-element.html new file mode 100644 index 0000000000..7fe2d12be3 --- /dev/null +++ b/testing/web-platform/tests/scroll-animations/css/scroll-timeline-nearest-with-absolute-positioned-element.html @@ -0,0 +1,79 @@ +<!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> |