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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
| commit | 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch) | |
| tree | a31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /testing/web-platform/tests/accessibility/crashtests/content-visibility-generated-content-removal.html | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.tar.xz firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.zip | |
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/accessibility/crashtests/content-visibility-generated-content-removal.html')
| -rw-r--r-- | testing/web-platform/tests/accessibility/crashtests/content-visibility-generated-content-removal.html | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/testing/web-platform/tests/accessibility/crashtests/content-visibility-generated-content-removal.html b/testing/web-platform/tests/accessibility/crashtests/content-visibility-generated-content-removal.html new file mode 100644 index 0000000000..b880e244fe --- /dev/null +++ b/testing/web-platform/tests/accessibility/crashtests/content-visibility-generated-content-removal.html @@ -0,0 +1,32 @@ +<!DOCTYPE HTML> +<html class="test-wait"> +<style> + div { content-visibility: auto; } + div::after { content: "Bar" } +</style> +<div>Foo</div> +<div style="height:4000px"></div> +<script> + // Ensure no crash when removing element with generated content after + // `content-visibility: auto` content goes out of view. + requestAnimationFrame(() => { + requestAnimationFrame(() => { + // Let one layout run with the div content in view, then + // scroll it out of view. + document.scrollingElement.scrollTop = 3000; + + // Run three frames to ensure a new layout happens with the + // 'auto' content hidden (i.e. layout structures are + // destroyed), then remove the div with a pseudo element which + // was previously problematic. + requestAnimationFrame(() => { + requestAnimationFrame(() => { + requestAnimationFrame(() => { + document.querySelector('div').remove(); + document.documentElement.className = ''; + }) + }) + }) + }) + }); +</script> |