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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
| commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
| tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /testing/web-platform/tests/layout-instability/shift-with-counterscroll-2.html | |
| parent | Initial commit. (diff) | |
| download | thunderbird-upstream.tar.xz thunderbird-upstream.zip | |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
| -rw-r--r-- | testing/web-platform/tests/layout-instability/shift-with-counterscroll-2.html | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/testing/web-platform/tests/layout-instability/shift-with-counterscroll-2.html b/testing/web-platform/tests/layout-instability/shift-with-counterscroll-2.html new file mode 100644 index 0000000000..d99723010e --- /dev/null +++ b/testing/web-platform/tests/layout-instability/shift-with-counterscroll-2.html @@ -0,0 +1,59 @@ +<!DOCTYPE html> +<title>Layout Instability: shift with counterscroll not counted, with 2 scrollers</title> +<link rel="help" href="https://wicg.github.io/layout-instability/" /> +<style> +.scroller { + overflow: scroll; + position: absolute; + left: 20px; + top: 20px; + width: 200px; + height: 200px; +} +.content { + width: 170px; + height: 600px; +} +.changer { + position: relative; + background: yellow; + left: 10px; + top: 100px; + width: 150px; + height: 150px; +} + +</style> +<div id="scroller1" class="scroller"> + <div class="content"> + <div id="changer1" class="changer"></div> + </div> +</div> +<div id="scroller2" class="scroller"> + <div class="content"> + <div id="changer2" class="changer"></div> + </div> +</div> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="resources/util.js"></script> +<script> + +promise_test(async () => { + const watcher = new ScoreWatcher; + + // Wait for the initial render to complete. + await waitForAnimationFrames(2); + + // Top goes from 100 to 200. scroll by 100 to counter it. + changer1.style.top = "200px"; + scroller1.scrollTop = 100; + // Top goes from 100 to 300. scroll by 200 to counter it. + changer2.style.top = "300px"; + scroller2.scrollTop = 200; + + await waitForAnimationFrames(3); + assert_equals(watcher.score, 0); +}, "Shift with counterscroll not counted, with 2 scrollers."); + +</script> |