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| (Empty) | |
| 1 <!DOCTYPE html> |
| 2 <script src="../resources/testharness.js"></script> |
| 3 <script src="../resources/testharness-helpers.js"></script> |
| 4 <script src="../resources/testharnessreport.js"></script> |
| 5 <body> |
| 6 <script> |
| 7 'use strict'; |
| 8 (() => { |
| 9 |
| 10 if (!window.internals) { |
| 11 // Requires observeGC |
| 12 return; |
| 13 } |
| 14 |
| 15 promise_test((t) => { |
| 16 var observation = null; |
| 17 (() => { |
| 18 let f = document.createElement('iframe'); |
| 19 f.srcdoc = 'content'; |
| 20 document.body.appendChild(f); |
| 21 let w = f.contentWindow; |
| 22 |
| 23 var X = new Object; |
| 24 X.a = [f, w, w.customElements, w.document]; |
| 25 X.a.forEach((o) => o.x = X); |
| 26 observation = internals.observeGC(X); |
| 27 |
| 28 f.remove(); |
| 29 })(); |
| 30 |
| 31 return Promise.resolve() |
| 32 .then(() => { |
| 33 gc(); gc(); |
| 34 assert_true(observation.wasCollected, |
| 35 'cyclic references between objects and DOM wrappers should ' + |
| 36 'not leak'); |
| 37 }); |
| 38 }, 'Sanity check ordinary objects are not leaking'); |
| 39 |
| 40 promise_test((t) => { |
| 41 var observation = null; |
| 42 (() => { |
| 43 let f = document.createElement('iframe'); |
| 44 f.srcdoc = 'content'; |
| 45 document.body.appendChild(f); |
| 46 let w = f.contentWindow; |
| 47 |
| 48 class X extends HTMLElement {} |
| 49 X.a = [f, w, w.customElements, w.document]; |
| 50 X.a.forEach((o) => o.x = X); |
| 51 w.customElements.define('a-a', X); |
| 52 observation = internals.observeGC(X); |
| 53 |
| 54 f.remove(); |
| 55 })(); |
| 56 |
| 57 return Promise.resolve() |
| 58 .then(() => { |
| 59 gc(); gc(); |
| 60 assert_true(observation.wasCollected, |
| 61 'defining a custom element should not leak its constructor'); |
| 62 }); |
| 63 }, 'Defining custom elements does not leak'); |
| 64 |
| 65 })(); |
| 66 </script> |
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Chromium Code Reviews
Issue 1952893003:
Implement custom element construction and some 'define' checks (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master