| <!DOCTYPE html> |
| <body> |
| <script> |
| // WebCodecsAudioData::memoryCost() is called from JSWebCodecsAudioData::visitChildren on a |
| // concurrent GC marker thread. It must not dereference m_data.audioData, since close() on the |
| // main thread may concurrently null and free it. |
| |
| if (window.testRunner) { |
| testRunner.dumpAsText(); |
| testRunner.waitUntilDone(); |
| } |
| |
| const POOL = 200; |
| const DURATION_MS = 2000; |
| const startTime = Date.now(); |
| |
| const buf = new Float32Array(4096); |
| for (let i = 0; i < buf.length; i++) |
| buf[i] = Math.random(); |
| |
| const init = { |
| format: "f32-planar", |
| sampleRate: 48000, |
| timestamp: 0, |
| data: buf, |
| numberOfFrames: 2048, |
| numberOfChannels: 2, |
| }; |
| |
| window.pool = new Array(POOL); |
| for (let i = 0; i < POOL; i++) |
| pool[i] = new AudioData(init); |
| |
| let idx = 0; |
| |
| function closeOne() { |
| if (Date.now() - startTime > DURATION_MS) { |
| document.body.textContent = "Test passes if it does not crash."; |
| if (window.testRunner) |
| testRunner.notifyDone(); |
| return; |
| } |
| |
| pool[idx].close(); |
| pool[idx] = new AudioData(init); |
| idx = (idx + 1) % POOL; |
| |
| Promise.resolve().then(closeOne); |
| } |
| |
| function pressureGC() { |
| if (Date.now() - startTime > DURATION_MS) |
| return; |
| for (let i = 0; i < 20; i++) { |
| let tmp = new AudioData(init); |
| tmp.close(); |
| } |
| setTimeout(pressureGC, 10); |
| } |
| |
| closeOne(); |
| pressureGC(); |
| </script> |
| </body> |
