LayoutTests/fast/dom/shadow/host-context-class-change.html - Issue 317953002: :host-context selectors may affect insertion point descendants.

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Side by Side Diff: LayoutTests/fast/dom/shadow/host-context-class-change.html

Issue 317953002: :host-context selectors may affect insertion point descendants. (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Created 6 years, 6 months ago

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	1 <!DOCTYPE html>

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

	3 <script src="resources/shadow-dom.js"></script>

	4 <style>

	5 </style>

	6 <div id="sandbox"></div>

	7 <script>

	8 description("Class change affecting a node in a distributed node's subtree.");

	9

	10 var sandbox = document.getElementById('sandbox');

	11

	12 sandbox.appendChild(

	13 createDOM('parent-element', {},

	14 createShadowRoot(

	15 createDOM('div', {'id': 'a'},

	16 createDOM('content', {}))),

	17 createDOM('child-element', {},

	18 createShadowRoot(

	19 createDOM('style', {},

	20 document.createTextNode(':host-context(.a) .b { background-c olor: green; }')),

	21 createDOM('div', {},

	22 createDOM('div', {'class': 'b'}))))));

	23

	24 var transparent = "rgba(0, 0, 0, 0)";

	25 var green = "rgb(0, 128, 0)";

	26

	27 document.body.offsetTop; // force recalc

	28

	29 var a = sandbox.querySelector("parent-element").shadowRoot.querySelector("#a");

	30 var b = sandbox.querySelector("child-element").shadowRoot.querySelector(".b");

	31

	32 shouldBe("getComputedStyle(b, null).backgroundColor", "transparent");

	33

	34 a.className = "a";

	35 document.body.offsetTop; // force recalc.

	36

	37 shouldBe("getComputedStyle(b, null).backgroundColor", "green");

	38 </script>

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