LayoutTests/fast/css/invalidation/shadow-add-sheet-host.html - Issue 1311463004: Invalidate style from shadow host, not root, to apply :host rules.

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Issue 1311463004: Invalidate style from shadow host, not root, to apply :host rules. (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master

Patch Set: Created 5 years, 3 months ago

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	1 <!DOCTYPE html>

	2 <script src="../../../resources/js-test.js"></script>

	3 <style>

	4 #outerHost { color: red }

	5 </style>

	6 <div>

	7 <div id="outerHost"></div>

	8 <div></div>

	9 <div></div>

	10 </div>

	11 <script>

	12 description("Insert a style element into a shadow tree affecting the host.") ;

	13

	14 var outerRoot = outerHost.createShadowRoot();

	15 outerRoot.innerHTML = "<div><div id='host1'></div></div><div></div>";

	16

	17 var host1 = outerRoot.querySelector("#host1");

	18 var root1 = host1.createShadowRoot();

	19 root1.innerHTML = "<div><div id='host2'></div></div><div></div>";

	20

	21 var host2 = root1.querySelector("#host2");

	22 var root2 = host2.createShadowRoot();

	23 root2.innerHTML = "This text should be green";

	24

	25 shouldBeEqualToString("getComputedStyle(host2).color", "rgb(255, 0, 0)");

	26

	27 document.body.offsetTop;

	28 var sheet = document.createElement("style");

	29 sheet.appendChild(document.createTextNode(":host { color: green }"));

	30 root2.appendChild(sheet);

	31

	32 if (window.internals)

	33 shouldBe("internals.updateStyleAndReturnAffectedElementCount()", "2");

	34

	35 shouldBeEqualToString("getComputedStyle(host2).color", "rgb(0, 128, 0)");

	36 </script>

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