| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <script src="../resources/testharness.js"></script> |
| <script src="../resources/testharnessreport.js"></script> |
| <script src="../resources/gc.js"></script> |
| <script> |
| |
| function createContext() { |
| let context = new webkitOfflineAudioContext(2, 1000, 44100); |
| if (window.internals) |
| return internals.observeGC(context); |
| } |
| |
| function createRenderingContext(completeCallback) { |
| let context = new webkitOfflineAudioContext(2, 1000, 44100); |
| let node = context.createBufferSource(); |
| node.connect(context.destination); |
| node.start(); |
| context.oncomplete = completeCallback; |
| context.startRendering(); |
| if (window.internals) |
| return internals.observeGC(context); |
| } |
| |
| test(() => { |
| let observer = createContext(); |
| gc(); |
| if (window.internals) |
| assert_true(observer.wasCollected); |
| }, "GC a newly created offline audio context"); |
| |
| promise_test(async () => { |
| let complete = false; |
| let observer = createRenderingContext(() => complete = true); |
| while (!complete) { |
| gc(); |
| if (window.internals) |
| assert_false(observer.wasCollected); |
| await new Promise(resolve => setTimeout(resolve, 50)); |
| } |
| gc(); |
| if (window.internals) |
| assert_true(observer.wasCollected); |
| }, "GC a rendering offline audio context"); |
| </script> |
