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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-anchoring/position-change-heuristic-display-none-to-abspos-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-anchoring/position-change-heuristic-display-none-to-abspos-change.html')
| -rw-r--r-- | testing/web-platform/tests/css/css-scroll-anchoring/position-change-heuristic-display-none-to-abspos-change.html | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-scroll-anchoring/position-change-heuristic-display-none-to-abspos-change.html b/testing/web-platform/tests/css/css-scroll-anchoring/position-change-heuristic-display-none-to-abspos-change.html new file mode 100644 index 0000000000..5cf27d9e6b --- /dev/null +++ b/testing/web-platform/tests/css/css-scroll-anchoring/position-change-heuristic-display-none-to-abspos-change.html @@ -0,0 +1,71 @@ +<!DOCTYPE html> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io"> +<link rel="author" title="Mozilla" href="https://mozilla.org"> +<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1568778"> +<link rel="help" href="https://drafts.csswg.org/css-scroll-anchoring/#suppression-triggers"> +<style> +#hidden { + display: none; + background: red; +} +#spacer { + height: calc(100vh + 200px); /* At least 200px of scroll range */ +} +</style> +<table> + <thead> + <tr> + <th>1 + <th>1 + <th>1 + <th>1 + </tr> + </thead> + <thead id="hidden"> + <tr> + <th>1 + <th>1 + <th>1 + <th>1 + </tr> + </thead> + <tbody> + <tr><td>0 <td>0 <td>0 <td>0 </tr> + <tr><td>0 <td>0 <td>0 <td>0 </tr> + <tr><td>0 <td>0 <td>0 <td>0 </tr> + <tr><td>0 <td>0 <td>0 <td>0 </tr> + <tr><td>0 <td>0 <td>0 <td>0 </tr> + <tr><td>0 <td>0 <td>0 <td>0 </tr> + <tr><td>0 <td>0 <td>0 <td>0 </tr> + </tbody> +</table> +<div id="spacer"></div> +<script> +let isFirstEvent = true; +const targetScrollPosition = 100; +const hidden = document.querySelector("#hidden"); +const t = async_test("Scroll offset doesn't get stuck in infinite scroll events when an element goes back and forth to display: none while changing abspos style"); +window.onscroll = t.step_func(function() { + hidden.style.display = "block"; + hidden.style.position = "absolute"; + hidden.style.visibility = "hidden"; + window.unused = hidden.offsetHeight; + hidden.style.display = ""; + hidden.style.position = ""; + hidden.style.visibility = ""; + + assert_true(isFirstEvent, "Shouldn't get more than one scroll event"); + isFirstEvent = false; + requestAnimationFrame(t.step_func(function() { + requestAnimationFrame(t.step_func_done(function() { + assert_equals(document.scrollingElement.scrollTop, targetScrollPosition); + })); + })); +}); + +window.onload = t.step_func(function() { + window.scrollTo(0, targetScrollPosition); +}); +</script> |