Chromium Code Reviews Chromium Code Reviews
Issue 1069953002:
Implement Custom Element's class side inheritance (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master| OLD | NEW |
|---|---|
| (Empty) | |
| 1 <!DOCTYPE html> | |
| 2 <script src="../../../resources/testharness.js"></script> | |
| 3 <script src="../../../resources/testharnessreport.js"></script> | |
| 4 <body> | |
| 5 <script> | |
| 6 test(function () { | |
| 7 var protoA = Object.create(HTMLDivElement.prototype); | |
| 8 var A = document.registerElement('x-a', { | |
| 9 extends: 'div', prototype: protoA}); | |
| 10 | |
| 11 | |
|
dominicc (has gone to gerrit)
2015/04/09 06:37:57
Less vertical whitespace here.
deepak.s
2015/04/15 06:44:53
Done.
| |
| 12 assert_equals( | |
| 13 Object.getPrototypeOf(A), HTMLDivElement, | |
| 14 'generated constructor prototype should be base element constructor ' + | |
| 15 '(extend built-in element)'); | |
| 16 | |
| 17 assert_equals( | |
| 18 A.__proto__, HTMLDivElement, | |
| 19 'Internal prototype should also be base element function object ' + | |
| 20 '(extend built-in element)'); | |
| 21 | |
| 22 assert_equals( | |
| 23 A.prototype.__proto__, HTMLDivElement.prototype, | |
| 24 'Internal prototype of generated constructor prototype should be ' + | |
| 25 'prototype of base element function object (extend built-in element)'); | |
| 26 | |
| 27 var protoB = Object.create(protoA); | |
| 28 var B = document.registerElement('x-b', {prototype: protoB}); | |
| 29 assert_equals( | |
| 30 Object.getPrototypeOf(B), A, | |
| 31 'generated constructor prototype should be base element constructor ' + | |
| 32 '(extend Custom Element)'); | |
| 33 | |
| 34 assert_equals( | |
| 35 B.__proto__, A, | |
| 36 'Internal prototype should also be base element function object ' + | |
| 37 '(extend Custom Element)'); | |
| 38 | |
| 39 assert_equals( | |
| 40 B.prototype.__proto__, A.prototype, | |
| 41 'Internal prototype of generated constructor prototype should be ' + | |
| 42 'prototype of base element function object (extend Custom Element)'); | |
| 43 }, 'generated constructor prototype property'); | |
| 44 </script> | |
| OLD | NEW |
