third_party/WebKit/LayoutTests/shadow-dom/slotchange-slotname-renamed.html - Issue 1995203002: Rewrite Shadow DOM distribution engine to support partial synchronous distribution for v1

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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 <!-- This is a micro benchmark to catch an unintentional regression.

	6 If the reason of a regression is clear, it is okay.

	7 We do not have to optimize the result of the benchmark. -->

	8 <div id='d1'>

	9 <template data-mode='open' data-expose-as='d1_shadow'>

	10 <slot name='d1-s1'></slot>

	11 </template>

	12 <div id='d2' slot='d1-s1'></div>

	13 </div>

	14 <script>

	15 'use strict';

	16 convertTemplatesToShadowRootsWithin(d1);

	17 removeWhiteSpaceOnlyTextNodes(d1);

	18

	19 async_test((test) => {

	20

	21 const d1_s1 = d1_shadow.querySelector('slot');

	22

	23 assert_array_equals(d1_s1.assignedNodes(), [d2]);

	24 assert_array_equals(d1_s1.assignedNodes({'flatten': true}), [d2]);

	25

	26 d1_s1.addEventListener('slotchange', (e) => {

	27 test.step(() => {

	28 assert_equals(e.target, d1_s1);

	29 assert_array_equals(d1_s1.assignedNodes(), []);

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

	31 assert_equals(e.scoped, true);

	32 test.done();

	33 });

	34 });

	35

	36 d2.setAttribute('slot', 'non-exist');

	37 }, "slotchange event caused by renaming slot name");

	38 </script>

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