| Rob Buis | f86c408 | 2018-05-23 18:10:46 | [diff] [blame] | 1 | <!DOCTYPE html> |
| 2 | <html> |
| 3 | <head> |
| 4 | <title>Custom Elements: the HTML fragment parsing algorithm must not create a custom element synchronously</title> |
| 5 | <meta name="author" title="Rob Buis" href="mailto:rbuis@igalia.com"> |
| 6 | <meta name="assert" content="The HTML fragment parsing algorithm must enqueue a custom element upgrade reaction instead of synchronously invoking its constructor"> |
| 7 | <link rel="help" href="https://html.spec.whatwg.org/multipage/parsing.html#create-an-element-for-the-token"> |
| 8 | <script src="/resources/testharness.js"></script> |
| 9 | <script src="/resources/testharnessreport.js"></script> |
| 10 | <script src="resources/custom-elements-helpers.js"></script> |
| 11 | </head> |
| 12 | <body> |
| 13 | <div id="log"></div> |
| 14 | <script> |
| 15 | |
| 16 | let iteration = 0; |
| 17 | |
| 18 | document_types().forEach(function (entry) { |
| 19 | var documentName = entry.name; |
| 20 | var getDocument = entry.create; |
| 21 | let calls = 0; |
| 22 | |
| 23 | promise_test(function () { |
| 24 | class Parenter extends HTMLElement { |
| 25 | connectedCallback() { |
| 26 | const child = this.firstChild; |
| 27 | this.removeChild(child); |
| 28 | this.appendChild(child); |
| 29 | } |
| 30 | } |
| 31 | class Child extends HTMLElement { |
| 32 | connectedCallback() { calls++; } |
| 33 | } |
| 34 | iteration++; |
| 35 | let parenter = 'x-parenter' + iteration; |
| 36 | let child = 'x-child' + iteration; |
| 37 | customElements.define(parenter, Parenter); |
| 38 | customElements.define(child, Child); |
| 39 | return getDocument().then(function (doc) { |
| 40 | document.documentElement.innerHTML = `<${parenter}><${child}></${child}></${parenter}>`; |
| 41 | doc.documentElement.appendChild(document.documentElement.firstChild); |
| 42 | assert_equals(calls, 1); |
| 43 | }); |
| 44 | }, `Inserting a custom element into ${documentName} using HTML fragment parsing must enqueue a custom element upgrade reaction, not synchronously invoke its constructor`); |
| 45 | }); |
| 46 | |
| 47 | </script> |
| 48 | </body> |
| 49 | </html> |
