third_party/WebKit/LayoutTests/fast/html/imports/import-css-sheet-in-shadow.html - Issue 2884993002: Don't trigger full active style update on styleSheets access.

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Side by Side Diff: third_party/WebKit/LayoutTests/fast/html/imports/import-css-sheet-in-shadow.html

Issue 2884993002: Don't trigger full active style update on styleSheets access. (Closed)

Patch Set: Not clearing document_scope_dirty_ flag in import styleSheets anymore. Created 3 years, 7 months ago

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	1 <!DOCTYPE html>

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

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

	4 <link id="importLink" rel="import" href="data:text/html,<div id=host></div>">

	5 <script>

	6 var importDoc = importLink.import;

	7 var root = importDoc.querySelector("#host").attachShadow({mode:"open"});

	8 var shadowStyle = importDoc.createElement("style");

	9 shadowStyle.appendChild(importDoc.createTextNode("div{color:pink}"));

	10 root.appendChild(shadowStyle);

	11

	12 test(() => {

	13 assert_true(!!shadowStyle.sheet,

	14 "The shadow tree Element.sheet should be defined.");

	15 assert_equals(shadowStyle.sheet.cssRules.length, 1,

	16 "The number of rules in the shadow tree stylesheet should 1.");

	17 }, "Element.sheet on style element in shadow tree in html import.");

	18

	19 test(() => {

	20 assert_equals(root.styleSheets.length, 1,

	21 "Length of the ShadowRoot.styleSheets should be 1.");

	22 assert_equals(root.styleSheets[0].cssRules.length, 1,

	23 "The number of rules in the shadow stylesheet should be 1.");

	24 }, "ShadowRoot.styleSheets on shadow root in html import.");

	25 </script>

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