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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 /layout/reftests/bugs/1546856-1.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 'layout/reftests/bugs/1546856-1.html')
| -rw-r--r-- | layout/reftests/bugs/1546856-1.html | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/layout/reftests/bugs/1546856-1.html b/layout/reftests/bugs/1546856-1.html new file mode 100644 index 0000000000..1a50349899 --- /dev/null +++ b/layout/reftests/bugs/1546856-1.html @@ -0,0 +1,61 @@ +<!DOCTYPE html> +<html class="reftest-wait" + reftest-displayport-x="0" reftest-displayport-y="0" + reftest-displayport-w="800" reftest-displayport-h="1500"> +<meta charset="utf-8"> +<title>Test for bug 1546856: When the first painted item in a layer is removed, invalidation takes the wrong last paint offset because it hasn't initialized the last paint offset for that layer yet for this paint</title> +<style> +html { + background: linear-gradient(white, white) 0 0 / 100vw 100vh no-repeat fixed; +} + +body { + height: 4000px; + padding: 200px 0; +} + +div { + width: 600px; + height: 200px; + box-sizing: border-box; + margin-bottom: -200px; +} + +#main.fill { + background-color: rgba(255, 0, 0, 0.9); +} + +#main.ownLayer { + will-change: opacity; +} + +#layerBoundsMaintainer { + position: relative; + border: 1px solid black; +} + +</style> + +<div id="main"></div> +<div id="layerBoundsMaintainer"></div> + +<script> + +const mainElement = document.querySelector('#main'); + +document.scrollingElement.scrollTop = 0; +document.addEventListener('MozReftestInvalidate', () => { + requestAnimationFrame(() => { + document.scrollingElement.scrollTop = 200; + mainElement.className = 'fill'; + requestAnimationFrame(() => { + mainElement.className = 'fill ownLayer'; + requestAnimationFrame(() => { + mainElement.className = ''; + document.documentElement.className = ''; + }); + }); + }); +}); + +</script> |