third_party/WebKit/LayoutTests/custom-elements/spec/insert-a-node-try-to-upgrade.html - Issue 2067853002: Upgrade custom elements when inserting a node

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Issue 2067853002: Upgrade custom elements when inserting a node (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: dominicc nits Created 4 years, 6 months ago

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	1 <!DOCTYPE html>

	2 <title>Custom Elements: Insert a node should try to upgrade</title>

	3 <script src="../../resources/testharness.js"></script>

	4 <script src="../../resources/testharnessreport.js"></script>

	5 <script src="resources/custom-elements-helpers.js"></script>

	6 <body>

	7 <script>

	8 'use strict';

	9

	10 // Insert a node

	11 // https://dom.spec.whatwg.org/#concept-node-insert

	12 // 6.5.2.2. try to upgrade inclusiveDescendant.

	13 // Try to upgrade an element

	14 // https://html.spec.whatwg.org/multipage/scripting.html#concept-try-upgrade

	15 test_with_window(w => {

	16 let element = w.document.createElement('a-a');

	17

	18 w.customElements.define('a-a', class extends w.HTMLElement {

	19 constructor() {

	20 super();

	21 this.is_upgraded = true;

	22 }

	23 });

	24 assert_false('is_upgraded' in element);

	25 assert_false(element.matches(':defined'));

	26

	27 w.document.body.appendChild(element);

	28 assert_true(element.is_upgraded);

	29 assert_true(element.matches(':defined'));

	30 }, 'Insert a node should try to upgrade');

	31 </script>

	32 </body>

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