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Side by Side Diff: third_party/WebKit/LayoutTests/shadow-dom/slotchange-host-child-appended.html

Issue 1995203002: Rewrite Shadow DOM distribution engine to support partial synchronous distribution for v1 (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: No longer FAIL: imported/wpt/shadow-dom/HTMLSlotElement-interface.html Created 4 years, 6 months ago
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1 <!DOCTYPE html>
2 <script src='../resources/testharness.js'></script>
3 <script src='../resources/testharnessreport.js'></script>
4 <script src='resources/shadow-dom.js'></script>
5 <div id='d1'>
6 <template data-mode='open' data-expose-as='d1_shadow'>
7 <slot name='d1-s1'></slot>
8 </template>
9 <div id='d2' slot='d1-s1'></div>
10 </div>
11 <script>
12 'use strict';
13 convertTemplatesToShadowRootsWithin(d1);
14 removeWhiteSpaceOnlyTextNodes(d1);
15
16 async_test((test) => {
17
18 const d1_s1 = d1_shadow.querySelector('slot');
19
20 assert_array_equals(d1_s1.assignedNodes(), [d2]);
21 assert_array_equals(d1_s1.assignedNodes({'flatten': true}), [d2]);
22
23 d1_s1.addEventListener('slotchange', (e) => {
24 test.step(() => {
25 assert_equals(e.target, d1_s1);
26 assert_array_equals(d1_s1.assignedNodes(), [d2, d3]);
27 assert_array_equals(d1_s1.assignedNodes({'flatten': true}), [d2, d3]);
28 assert_equals(e.scoped, true);
29 test.done();
30 });
31 });
32
33 const d3 = document.createElement('div');
34 d3.setAttribute('id', 'd3');
35 d3.setAttribute('slot', 'd1-s1');
36 d1.appendChild(d3);
37 }, "slotchange event caused by appending a host child");
38 </script>
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