Bug 1740382 [wpt PR 31571] - [@layer] Add a WPT for 'revert-layer' in the style attribute, a=testonly

Automatic update from web-platform-tests [@layer] Add a WPT for 'revert-layer' in the style attribute The behavior is recently resolved by CSSWG: https://github.com/w3c/csswg-drafts/issues/6743#issuecomment-960302655 Bug: 1095765 Change-Id: I3ba69a555fa68b1efb1c40fd9a5362387fd4d541 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3271505 Auto-Submit: Xiaocheng Hu <xiaochengh@chromium.org> Reviewed-by: Anders Hartvoll Ruud <andruud@chromium.org> Commit-Queue: Xiaocheng Hu <xiaochengh@chromium.org> Cr-Commit-Position: refs/heads/main@{#940370} -- wpt-commits: 8154494727c8990112979fbf77fda4bee98f4bae wpt-pr: 31571
2021-11-13 10:08:53 +00:00 · 2021-11-13 10:08:53 +00:00 · 9339ad3bc8
--- a/testing/web-platform/tests/css/css-cascade/revert-layer-009.html
+++ b/testing/web-platform/tests/css/css-cascade/revert-layer-009.html
@ -0,0 +1,16 @@
+<!DOCTYPE html>
+<title>CSS Cascade Layers: 'revert-layer' from the style attribute to other style sheets</title>
+<link rel="help" href="https://drafts.csswg.org/css-cascade-5/#revert-layer">
+<link rel="author" href="mailto:xiaochengh@chromium.org">
+<link rel="match" href="reference/ref-filled-green-100px-square.xht">
+
+<style>
+#target {
+  width: 100px;
+  height: 100px;
+  background-color: green;
+}
+</style>
+
+<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
+<div id="target" style="background-color: red; background-color: revert-layer"></div>