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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
| commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
| tree | f435a8308119effd964b339f76abb83a57c29483 /testing/web-platform/tests/css/css-scroll-snap/snap-after-relayout/changing-scroll-snap-align.html | |
| parent | Initial commit. (diff) | |
| download | firefox-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>
Diffstat (limited to 'testing/web-platform/tests/css/css-scroll-snap/snap-after-relayout/changing-scroll-snap-align.html')
| -rw-r--r-- | testing/web-platform/tests/css/css-scroll-snap/snap-after-relayout/changing-scroll-snap-align.html | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-scroll-snap/snap-after-relayout/changing-scroll-snap-align.html b/testing/web-platform/tests/css/css-scroll-snap/snap-after-relayout/changing-scroll-snap-align.html new file mode 100644 index 0000000000..a625621c27 --- /dev/null +++ b/testing/web-platform/tests/css/css-scroll-snap/snap-after-relayout/changing-scroll-snap-align.html @@ -0,0 +1,108 @@ +<!DOCTYPE html> +<title> + Updating the snap alignment of a snap container's content should make the snap + container resnap accordingly. +</title> +<link rel="help" href="https://drafts.csswg.org/css-scroll-snap/#re-snap" /> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<style> +div { + position: absolute; + margin: 0; +} + +#scroller { + height: 200px; + width: 200px; + overflow: hidden; + scroll-snap-type: both mandatory; +} + +#initial-target { + width: 300px; + height: 300px; + top: 100px; + left: 100px; + background-color: green; + scroll-snap-align: start; +} + +#other-target { + width: 300px; + height: 300px; + top: 300px; + left: 300px; + background-color: red; + scroll-snap-align: start; +} + +.area { + width: 2000px; + height: 2000px; +} + +.snap-area { + scroll-snap-align: start !important; +} +</style> + +<div id="scroller"> + <div class="area"></div> + <div id="initial-target"></div> + <div id="other-target"></div> +</div> + +<script> +const initial_target = document.getElementById("initial-target"); +const other_target = document.getElementById("other-target"); +const scroller = document.getElementById("scroller"); + +function cleanup() { + initial_target.style.setProperty("scroll-snap-align", "start"); + other_target.style.setProperty("scroll-snap-align", "start"); + initial_target.removeAttribute("class"); +} + +test(t => { + t.add_cleanup(cleanup); + scroller.scrollTo(0,0); + assert_equals(scroller.scrollTop, 100); + assert_equals(scroller.scrollLeft, 100); + + initial_target.style.setProperty("scroll-snap-align", "none"); + assert_equals(scroller.scrollTop, 300); + assert_equals(scroller.scrollLeft, 300); +}, "Removing the current target's snap alignment should make the scroller" ++ " resnap to a new snap area."); + +test(t => { + t.add_cleanup(cleanup); + initial_target.style.setProperty("scroll-snap-align", "none"); + other_target.style.setProperty("scroll-snap-align", "none"); + + scroller.scrollTo(0,0); + assert_equals(scroller.scrollTop, 0); + assert_equals(scroller.scrollLeft, 0); + + initial_target.style.setProperty("scroll-snap-align", "start"); + assert_equals(scroller.scrollTop, 100); + assert_equals(scroller.scrollLeft, 100); +}, "Changing an element snap alignment from none to start should make the" ++ "scroller resnap."); + +test(t => { + t.add_cleanup(cleanup); + initial_target.style.setProperty("scroll-snap-align", "none"); + other_target.style.setProperty("scroll-snap-align", "none"); + + scroller.scrollTo(0,0); + assert_equals(scroller.scrollTop, 0); + assert_equals(scroller.scrollLeft, 0); + + initial_target.classList.add("snap-area"); + assert_equals(scroller.scrollTop, 100); + assert_equals(scroller.scrollLeft, 100); +}, "Changing an element snap alignment from none to start by adding a class" ++ " should make the scroller resnap."); +</script> |