diff options
| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
| commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
| tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /testing/web-platform/tests/css/css-scroll-snap/resnap-on-snap-alignment-change.html | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip | |
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/css/css-scroll-snap/resnap-on-snap-alignment-change.html')
| -rw-r--r-- | testing/web-platform/tests/css/css-scroll-snap/resnap-on-snap-alignment-change.html | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-scroll-snap/resnap-on-snap-alignment-change.html b/testing/web-platform/tests/css/css-scroll-snap/resnap-on-snap-alignment-change.html new file mode 100644 index 0000000000..e4648b1d79 --- /dev/null +++ b/testing/web-platform/tests/css/css-scroll-snap/resnap-on-snap-alignment-change.html @@ -0,0 +1,47 @@ +<!DOCTYPE html> +<html> +<title> + Resnap when the current snap position is no longer a valid snap target. +</title> +<link rel="help" href="https://drafts.csswg.org/css-scroll-snap-1/#snap-scope"/> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="/css/css-scroll-snap/support/common.js"></script> +<style> + html { + scroll-snap-type: y mandatory; + } + body { + margin: 0; + } + .snap { + scroll-snap-align: center; + height: 100vh; + margin: 0; + } +</style> +<body onload = "runTest()"> +<div id = "card1" class="snap">ONE</div> +<div id = "card2" class="snap">TWO</div> +<div id = "card3" class="snap">THREE</div> +</body> +<script type="text/javascript"> + function runTest() { + promise_test(async t => { + const scroller = document.scrollingElement; + // scroll to card THREE + let expectedSnapPosition = card3.offsetTop; + scroller.scrollTo(0, expectedSnapPosition); + assert_equals(scroller.scrollTop, expectedSnapPosition, + 'Aligned with card THREE before style change'); + + // Snap to card TWO after invalidating card THREE as a snap target. + card3.style.scrollSnapAlign = 'none center'; + await waitForNextFrame(); + expectedSnapPosition = card2.offsetTop; + assert_equals(scroller.scrollTop, expectedSnapPosition, + 'Aligned with card TWO after style change'); + }, 'Resnap when the current snap position is no longer a valid snap target'); + } +</script> +</html> |