fune/testing/web-platform/tests/css/css-multicol/multicol-overflow-clip-positioned.html
Xianzhu Wang 2e095427c8 Bug 1543270 [wpt PR 16293] - [PE] Consider clips for fragmentation bounds of layers, a=testonly
Automatic update from web-platform-tests
[PE] Consider clips for fragmentation bounds of layers

When a layer is under overflow clip under multicol, we should consider
the clip when calculating the fragmentation bounds of the layer, to
avoid creating extra fragments without the clip (because the clip
parent doesn't create the fragments in which it is not visible).

Bug: 942393
Change-Id: I65289bef381dafedfd6f1de51672a73c9d449fb0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1557747
Reviewed-by: vmpstr <vmpstr@chromium.org>
Commit-Queue: Xianzhu Wang <wangxianzhu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#648840}

--

wpt-commits: a7f07f6de4fae492b8c96d102733303ea1bd1fad
wpt-pr: 16293
2019-06-05 10:25:37 +01:00

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HTML

<!DOCTYPE html>
<title>CSS Multi-column Layout Test: multicol with overflow-clipped positioned content</title>
<link rel="help" href="https://www.w3.org/TR/css-multicol-1/">
<link rel="match" href="multicol-overflow-clip-positioned-ref.html">
<meta name="assert" content="Overflow clip for positioned content should work under multicol.">
<div style="columns: 2">
<div style="height: 200px; overflow: hidden">
<div style="height: 800px; background: blue; position: relative"></div>
</div>
<div style="height: 200px"></div>
</div>