third_party/WebKit/LayoutTests/fast/css/invalidation/rule-change.html - Issue 2253053002: CSS: RuleFeature::clear clears all invalidation sets

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Unified Diff: third_party/WebKit/LayoutTests/fast/css/invalidation/rule-change.html

Issue 2253053002: CSS: RuleFeature::clear clears all invalidation sets (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: test Created 4 years, 4 months ago

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Index: third_party/WebKit/LayoutTests/fast/css/invalidation/rule-change.html

diff --git a/third_party/WebKit/LayoutTests/fast/css/invalidation/rule-change.html b/third_party/WebKit/LayoutTests/fast/css/invalidation/rule-change.html

new file mode 100644

index 0000000000000000000000000000000000000000..5684f4f5ae6729c9c1cae9e12fab8949fe3ab8c5

--- /dev/null

+++ b/third_party/WebKit/LayoutTests/fast/css/invalidation/rule-change.html

@@ -0,0 +1,29 @@

+<!DOCTYPE html>

+<html>

+<head>

+<script src="../../../resources/testharness.js"></script>

+<script src="../../../resources/testharnessreport.js"></script>

+</head>

+<body>

+<div></div>

+<div id="t1">

+ <div id="t2"></div>

+ <div></div>

+</div>

+<script>

+ test(() => {

+ var s = document.createElement("style");

+ s.textContent = "div ~ div > :nth-child(even) { background-color: red }";

+ var head = document.querySelector("head");

+ head.appendChild(s);

+ t2.offsetTop;

+ head.removeChild(s);

+ t2.offsetTop;

+ t1.insertBefore(document.createElement("div"), t2);

+ assert_equals(internals.updateStyleAndReturnAffectedElementCount(), 1);

+ }, "Removed style rules should not cause invalidation");

+</script>

+<body>

+</html>

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