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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 /layout/reftests/invalidation/paintedlayer-recycling-2.html | |
| parent | Initial commit. (diff) | |
| download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.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 'layout/reftests/invalidation/paintedlayer-recycling-2.html')
| -rw-r--r-- | layout/reftests/invalidation/paintedlayer-recycling-2.html | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/layout/reftests/invalidation/paintedlayer-recycling-2.html b/layout/reftests/invalidation/paintedlayer-recycling-2.html new file mode 100644 index 0000000000..bcec2aef84 --- /dev/null +++ b/layout/reftests/invalidation/paintedlayer-recycling-2.html @@ -0,0 +1,67 @@ +<!DOCTYPE html> +<html lang="en" class="reftest-wait"> +<meta charset="utf-8"> +<title>Starting to scroll the nested scrollbox shouldn't invalidate the fixed layer</title> + +<style> + +.content { + box-sizing: border-box; + width: 200px; + height: 200px; + border: 1px solid black; +} + +.fixed { + position: fixed; + top: 20px; + left: 240px; +} + +.reftest-no-paint { + border-color: lime; +} + +.scrollable { + overflow: auto; + padding: 10px; +} + +.scrolled { + border: 1px solid gray; + height: 400px; +} + +body { + margin: 0; + padding: 20px; + height: 3000px; +} + +</style> + +<div class="scrollable content" id="aboutToScroll"> + <!-- + This scrollbox starts out without active scrolling and is going to become + actively scrolled. + --> + <div class="scrolled"></div> +</div> + +<div class="fixed reftest-no-paint content"> + <!-- + This fixed layer gets its own PaintedLayer above the rest. + When the contents of .scrollable require their own PaintedLayer, that + should not cause .fixed to change layers. + --> +</div> + +<script> + +function doTest() { + document.querySelector("#aboutToScroll").scrollTop = 50 - document.querySelector("#aboutToScroll").scrollTop; + document.documentElement.removeAttribute("class"); +} +document.addEventListener("MozReftestInvalidate", doTest); + +</script> |