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Issue 2554873002: Mark correct tree-scope dirty removing link in shadow. (Closed)
Patch Set: Rebased Created 4 years ago
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1 <!DOCTYPE html> 1 <!DOCTYPE html>
2 <script src="../resources/testharness.js"></script> 2 <script src="../resources/testharness.js"></script>
3 <script src="../resources/testharnessreport.js"></script> 3 <script src="../resources/testharnessreport.js"></script>
4 <div id="host">This text should have a green background.</div> 4 <div id="host1">This text should have a green background.</div>
5 <div id="host2">This text should not have a red background.</div>
5 <script> 6 <script>
6 test(() => { 7 test(() => {
7 var root = host.attachShadow({mode:'open'}); 8 var root = host1.attachShadow({mode:'open'});
8 root.innerHTML = '<link rel="stylesheet" href="data:text/css,:host{backg round:green}"><slot />'; 9 root.innerHTML = '<link rel="stylesheet" href="data:text/css,:host{backg round:green}"><slot />';
9 assert_equals(getComputedStyle(host).backgroundColor, "rgb(0, 128, 0)", "Host background should be green."); 10 assert_equals(getComputedStyle(host1).backgroundColor, "rgb(0, 128, 0)", "Host background should be green.");
10 }, "Check that :host rule from link stylesheet applies to host element."); 11 }, "Check that :host rule from link stylesheet applies to host element.");
12
13 test(() => {
14 var root = host2.attachShadow({mode:'open'});
15 root.innerHTML = '<link rel="stylesheet" href="data:text/css,:host{backg round:red}"><slot />';
16 assert_equals(getComputedStyle(host2).backgroundColor, "rgb(255, 0, 0)", "Host background should be red.");
17 root.querySelector("link").remove();
18 assert_equals(getComputedStyle(host2).backgroundColor, "rgba(0, 0, 0, 0) ", "Host background should be transparent.");
19 }, "Check that :host rule from link stylesheet no longer applies after the s heet is removed.");
11 </script> 20 </script>
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