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1 <!DOCTYPE html> | 1 <!DOCTYPE html> |
2 <script src="../../../resources/js-test.js"></script> | 2 <script src="../../../resources/js-test.js"></script> |
3 <script src="resources/shadow-dom.js"></script> | 3 <script src="resources/shadow-dom.js"></script> |
4 | 4 |
5 <div id="test"> | 5 <div id="test"> |
6 <div id="first"></div> | 6 <div id="first"></div> |
7 </div> | 7 </div> |
8 | 8 |
9 <script> | 9 <script> |
10 description("Test that :ancestor(:first-child) is re-evaluated when :first-child
changes."); | 10 description("Test that :host-context(:first-child) is re-evaluated when :first-c
hild changes."); |
11 | 11 |
12 var test = document.getElementById("test"); | 12 var test = document.getElementById("test"); |
13 var first = document.getElementById("first"); | 13 var first = document.getElementById("first"); |
14 | 14 |
15 first.appendChild( | 15 first.appendChild( |
16 createDOM("div", {"id": "host"}, | 16 createDOM("div", {"id": "host"}, |
17 createShadowRoot( | 17 createShadowRoot( |
18 createDOM('style', {}, | 18 createDOM('style', {}, |
19 document.createTextNode(":ancestor(#first:first-child) { backgro
und-color: red; }")), | 19 document.createTextNode(":host-context(#first:first-child) { bac
kground-color: red; }")), |
20 createDOM('div', {}, | 20 createDOM('div', {}, |
21 document.createTextNode("You should see no red."))))); | 21 document.createTextNode("You should see no red."))))); |
22 | 22 |
23 document.body.offsetTop; // Force style recalc. | 23 document.body.offsetTop; // Force style recalc. |
24 | 24 |
25 var red = "rgb(255, 0, 0)"; | 25 var red = "rgb(255, 0, 0)"; |
26 | 26 |
27 shouldBe("getComputedStyle(first.firstChild, null).backgroundColor", "red"); | 27 shouldBe("getComputedStyle(first.firstChild, null).backgroundColor", "red"); |
28 | 28 |
29 test.insertBefore(document.createElement("div"), first); | 29 test.insertBefore(document.createElement("div"), first); |
30 | 30 |
31 shouldNotBe("getComputedStyle(first.firstChild, null).backgroundColor", "red"); | 31 shouldNotBe("getComputedStyle(first.firstChild, null).backgroundColor", "red"); |
32 </script> | 32 </script> |
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