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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
| commit | 43a97878ce14b72f0981164f87f2e35e14151312 (patch) | |
| tree | 620249daf56c0258faa40cbdcf9cfba06de2a846 /testing/web-platform/tests/css/css-scroll-snap/scroll-snap-stop-change.html | |
| parent | Initial commit. (diff) | |
| download | firefox-upstream.tar.xz firefox-upstream.zip | |
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/css/css-scroll-snap/scroll-snap-stop-change.html')
| -rw-r--r-- | testing/web-platform/tests/css/css-scroll-snap/scroll-snap-stop-change.html | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-scroll-snap/scroll-snap-stop-change.html b/testing/web-platform/tests/css/css-scroll-snap/scroll-snap-stop-change.html new file mode 100644 index 0000000000..4615487f56 --- /dev/null +++ b/testing/web-platform/tests/css/css-scroll-snap/scroll-snap-stop-change.html @@ -0,0 +1,90 @@ +<!DOCTYPE html> +<link rel="help" href="https://drafts.csswg.org/css-scroll-snap/#scroll-snap-stop" /> +<meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1"> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<style> +div, html, body { + margin: 0; + padding: 0; +} + +html { + scroll-snap-type: x mandatory; + overflow: scroll; +} + +#scroller { + scroll-snap-type: x mandatory; + overflow: scroll; + height: 400px; + width: 400px; +} + +.large_space { + width: 2000px; + height: 2000px; +} + +.snap_area { + scroll-snap-align: none start; + width: 100px; + height: 100px; + + background-color: blue; +} + +.snap_area:nth-child(1) { + margin-left: 0; +} + +.snap_area:nth-child(2) { + margin-left: 100px; +} + +.snap_area:nth-child(3) { + margin-left: 300px; +} + +.snap_area:nth-child(4) { + margin-left: 500px; +} +</style> + +<!-- Add snap area to the root scroller --> +<div class="snap_area"></div> +<div class="snap_area"></div> +<div class="snap_area"></div> +<div class="snap_area"></div> + +<div id="scroller"> + <div class="snap_area"></div> + <div class="snap_area"></div> + <div class="snap_area"></div> + <div class="snap_area"></div> + <div class="large_space"></div> +</div> + +<div class="large_space"></div> + +<script> +const scrollers = [document.scrollingElement, document.getElementById("scroller")]; +for (const scroller of scrollers) { + test(_ => { + assert_equals(scroller.scrollLeft, 0); // sanity check + + scroller.querySelectorAll('.snap_area').forEach(area => area.style.scrollSnapStop = 'always'); + scroller.scrollBy(500, 0); + assert_equals(scroller.scrollLeft, 100, "scrollBy should not skip area with stop always"); + + scroller.querySelectorAll('.snap_area').forEach(area => area.style.scrollSnapStop = 'normal'); + scroller.scrollBy(500, 0); + assert_equals(scroller.scrollLeft, 500, "scrollBy should skip secon area with stop normal"); + + // When snap type is changed back to mandatory, scrolling should snap. + scroller.querySelectorAll('.snap_area').forEach(area => area.style.scrollSnapStop = 'always'); + scroller.scrollBy(-500, 0); + assert_equals(scroller.scrollLeft, 300, "scrollBy should not skip area with stop always"); + }, `scroll-snap-stop for areas on ${scroller.nodeName} should control snapping behavior and changing it takes effect`); +} +</script> |