third_party/WebKit/LayoutTests/shadow-dom/slotchange-node-removed.html - Issue 2076933002: Add more comprehensive tests for slotchange events

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Side by Side Diff: third_party/WebKit/LayoutTests/shadow-dom/slotchange-node-removed.html

Issue 2076933002: Add more comprehensive tests for slotchange events (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: 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(), []);

27 assert_array_equals(d1_s1.assignedNodes({'flatten': true}), []);

28 test.done();

29 });

30 });

31

32 d2.remove();

33 }, "slotchange event caused by removing a node");

34 </script>

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