| <!DOCTYPE html> |
| <html> |
| <head> |
| <script src="../resources/js-test-pre.js"></script> |
| </head> |
| <body> |
| <script> |
| description("AudioBufferSourceNode should not read from a freed channel buffer when the buffer is set before scheduling and its backing ArrayBuffer is then transferred and collected."); |
| |
| jsTestIsAsync = true; |
| |
| function gc() |
| { |
| if (window.GCController) |
| return GCController.collect(); |
| for (let i = 0; i < 200; i++) |
| new ArrayBuffer(1 << 20); |
| } |
| |
| var transferError = null; |
| |
| (async () => { |
| const sampleRate = 44100; |
| const ctx = new OfflineAudioContext(1, 256, sampleRate); |
| const audioBuffer = ctx.createBuffer(1, 0x4000, sampleRate); |
| |
| const node = ctx.createBufferSource(); |
| node.buffer = audioBuffer; |
| |
| const channelBuffer = audioBuffer.getChannelData(0).buffer; |
| try { |
| structuredClone(channelBuffer, { transfer: [channelBuffer] }); |
| testFailed("Transfer should have thrown because the buffer is pinned."); |
| } catch (e) { |
| transferError = e; |
| } |
| shouldBeTrue("transferError instanceof TypeError"); |
| gc(); |
| gc(); |
| |
| node.loop = true; |
| node.playbackRate.value = 0; |
| node.connect(ctx.destination); |
| node.start(); |
| |
| await ctx.startRendering(); |
| testPassed("Rendering completed without crashing."); |
| finishJSTest(); |
| })(); |
| </script> |
| <script src="../resources/js-test-post.js"></script> |
| </body> |
| </html> |
