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Issue 1994093002:
Introduce CustomElementRegistry#get() method (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master| OLD | NEW |
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| (Empty) | |
| 1 <!DOCTYPE html> | |
| 2 <!-- | |
| 3 TODO(yosin): We should upstream to wpt test. | |
| 4 This file is taken from https://github.com/kojiishi/web-platform-tests/blob/5390 8d773012edf931047674f7afe3975bc1820f/custom-elements/custom-elements-registry/ge t.html | |
| 5 --> | |
| 6 <title>Custom Elements: CustomElementsRegistry.get</title> | |
| 7 <script src="../../../resources/testharness.js"></script> | |
| 8 <script src="../../../resources/testharnessreport.js"></script> | |
| 9 <body> | |
| 10 <div id="log"></div> | |
| 11 <iframe id="iframe"></iframe> | |
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dominicc (has gone to gerrit)
2016/05/25 01:31:23
I think it is better to dynamically create these;
yosin_UTC9
2016/05/30 06:17:55
Done
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| 12 <script> | |
| 13 'use strict'; | |
| 14 (() => { | |
| 15 // https://html.spec.whatwg.org/multipage/scripting.html#dom-customelementsreg istry-whendefined | |
| 16 // Use window from iframe to isolate the test. | |
| 17 const testWindow = iframe.contentDocument.defaultView; | |
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dominicc (has gone to gerrit)
2016/05/25 01:31:23
iframe.contentWindow
yosin_UTC9
2016/05/30 06:17:55
Done
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| 18 const customElements = testWindow.customElements; | |
| 19 let testable = false; | |
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dominicc (has gone to gerrit)
2016/05/25 01:31:23
I wonder what it would look like if testable was a
yosin_UTC9
2016/05/30 06:17:55
Done
| |
| 20 test(() => { | |
| 21 assert_true('customElements' in testWindow, '"window.customElements" exists' ); | |
| 22 assert_true('get' in customElements, '"window.customElements.get" exists'); | |
| 23 testable = true; | |
| 24 }, '"window.customElements.get" should exist'); | |
| 25 if (!testable) | |
| 26 return; | |
| 27 // 1. If this CustomElementsRegistry contains an entry with name name, | |
| 28 // then return that entry's constructor. | |
| 29 test(() => { | |
| 30 const name = 'test-get-existing'; | |
| 31 class C extends HTMLElement {}; | |
| 32 customElements.define(name, C); | |
| 33 assert_equals(customElements.get(name), C); | |
| 34 }, 'get() returns the constructor'); | |
| 35 // 2. Otherwise, return undefined. | |
| 36 test(() => { | |
| 37 assert_equals(customElements.get('test-get-not-defined'), undefined); | |
| 38 }, 'get() returns undefined if the name is not defined'); | |
| 39 })(); | |
| 40 </script> | |
| 41 </body> | |
| OLD | NEW |
