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Bug 1651074 [wpt PR 24486] - Upstream and update foreignObject isolation tests, a=testonly 

Automatic update from web-platform-tests
Upstream and update foreignObject isolation tests

https://crrev.com/544756 ("Make <foreignObject> a stacking context")
added svg-isolation-foreign-isolation.html which had an incorrect
expectation. ForeignObject should create a stacking context [1] and
everything that creates a stacking context is an 'isolated' group [2],
so foreignObject should isolate. Our implementation is correct for html
content in foreignObject but has a bug for svg content in foreignObject.
This patch creates WPT tests for these two scenarios, and marks the svg
variant as failing.

[1] https://svgwg.org/svg2-draft/single-page.html#render-EstablishingStackingContex
[2] https://drafts.fxtf.org/compositing-2/#csscompositingrules_CSS

Bug: 1102803, 1101002
Change-Id: Ia5baceccab0be09eeec5e4682f16247a2881509b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2284631
Commit-Queue: Philip Rogers <pdr@chromium.org>
Reviewed-by: Fredrik Söderquist <fs@opera.com>
Cr-Commit-Position: refs/heads/master@{#785765}

--

wpt-commits: db03cd2af9e67ab194dabd28f2a9384223d9e706
wpt-pr: 24486
This commit is contained in:
Philip Rogers 2020-07-09 14:16:39 +00:00 коммит произвёл moz-wptsync-bot
Родитель 97d8582dac
Коммит f07bd07080
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2
testing/web-platform/tests/svg/extensibility/foreignObject/isolation-with-html-ref.html Normal file
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@ -0,0 +1,2 @@
<!DOCTYPE html>
<div style="width: 200px; height: 200px; background: lime; mix-blend-mode: difference"></div>

13
testing/web-platform/tests/svg/extensibility/foreignObject/isolation-with-html.html Normal file
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@ -0,0 +1,13 @@
<!DOCTYPE html>
<title>foreignObject should create an isolated group for html descendants</title>
<meta name="assert" content="ForeignObject creates a stacking context which is an isolated group, so mix-blend-mode should not be affected by content outside the isolated group." />
<link rel="help" href="https://svgwg.org/svg2-draft/single-page.html#render-EstablishingStackingContex" />
<link rel="help" href="https://drafts.fxtf.org/compositing-2/#csscompositingrules_CSS" />
<link rel="author" title="Philip Rogers" href="mailto:pdr@chromium.org" />
<link rel="match" href="isolation-with-html-ref.html" />
<svg xmlns="http://www.w3.org/2000/svg" width="200px" height="200px">
<rect x="0" y="0" width="200" height="200" style="fill: yellow" />
<foreignObject width="200" height="200">
<div style="width: 200px; height: 200px; background: lime; mix-blend-mode: difference"></div>
</foreignObject>
</svg>

2
testing/web-platform/tests/svg/extensibility/foreignObject/isolation-with-svg-ref.html Normal file
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@ -0,0 +1,2 @@
<!DOCTYPE html>
<div style="width: 200px; height: 200px; background: lime; mix-blend-mode: difference"></div>

15
testing/web-platform/tests/svg/extensibility/foreignObject/isolation-with-svg.html Normal file
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@ -0,0 +1,15 @@
<!DOCTYPE html>
<title>foreignObject should create an isolated group for svg descendants</title>
<meta name="assert" content="ForeignObject creates a stacking context which is an isolated group, so mix-blend-mode should not be affected by content outside the isolated group." />
<link rel="help" href="https://svgwg.org/svg2-draft/single-page.html#render-EstablishingStackingContex" />
<link rel="help" href="https://drafts.fxtf.org/compositing-2/#csscompositingrules_CSS" />
<link rel="author" title="Philip Rogers" href="mailto:pdr@chromium.org" />
<link rel="match" href="isolation-with-svg-ref.html" />
<svg xmlns="http://www.w3.org/2000/svg" width="200px" height="200px">
<rect x="0" y="0" width="200" height="200" style="fill: yellow" />
<foreignObject width="200" height="200">
<svg xmlns="http://www.w3.org/2000/svg" width="200px" height="200px">
<rect x="0" y="0" width="200" height="200" style="fill: lime; mix-blend-mode: difference" />
</svg>
</foreignObject>
</svg>