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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-7.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-7.html')
| -rw-r--r-- | layout/reftests/invalidation/paintedlayer-recycling-7.html | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/layout/reftests/invalidation/paintedlayer-recycling-7.html b/layout/reftests/invalidation/paintedlayer-recycling-7.html new file mode 100644 index 0000000000..0e23c37a2d --- /dev/null +++ b/layout/reftests/invalidation/paintedlayer-recycling-7.html @@ -0,0 +1,82 @@ +<!DOCTYPE html> +<html lang="en" class="reftest-wait"> +<meta charset="utf-8"> +<title>When a PaintedLayer is split up into two, the lower items should stay in their layer and the higher items should get a new one.</title> +<!-- The motivation for this is that we don't ever want to assign a new layer to the canvas background just because an item is split from it. --> + + +<style> + +.content { + box-sizing: border-box; + width: 200px; + height: 200px; + border: 1px solid black; +} + +.fixed { + position: fixed; + top: 20px; + left: 140px; +} + +.onTopOfFixed { + position: absolute; + top: 120px; + left: 260px; +} + +.reftest-no-paint { + border-color: lime; +} + +.onTopOfFixed.reftest-no-paint { + left: 20px; +} + +body { + margin: 0; + padding: 20px; + height: 3000px; +} + +</style> + +<div class="fixed content"> + <!-- + This layer is just there to force .onTopOfFixed into PaintedLayers above + the page background. + --> +</div> + +<div class="onTopOfFixed reftest-no-paint content"> + <!-- + This item should start out sharing a PaintedLayer with the other + .onTopOfFixed item. + --> +</div> + +<div class="fixed content" id="aboutToBecomeVisible" style="visibility: hidden"> + <!-- + This layer starts out hidden. When it becomes visible, it forces the two + .onTopOfFixed items into separate layers. + --> +</div> + +<div class="onTopOfFixed content"> + <!-- + This item should start out sharing a PaintedLayer with the other + .onTopOfFixed item, but when the two items get split up, it should be this + one that changes layers, not the other one. + --> +</div> + +<script> + +function doTest() { + document.querySelector("#aboutToBecomeVisible").style.visibility = "visible"; + document.documentElement.removeAttribute("class"); +} +document.addEventListener("MozReftestInvalidate", doTest); + +</script> |