| <!-- webkit-test-runner [ jscOptions=--useSharedArrayBuffer=true ] --> |
| <body> |
| <script src="../resources/js-test-pre.js"></script> |
| <script> |
| |
| const WORKER_CODE = ` |
| self.onmessage = e => { |
| const ctrl = e.data; |
| |
| const s = new Set(); |
| |
| Object.prototype.return = Set.prototype.add.bind(s, 1); |
| |
| const pairs = [{ |
| get 0() { |
| for (let i = 0; i < 0x10000; i++) { |
| s.add(i); |
| } |
| |
| for (let i = 0; i < 0xc000; i++) { |
| s.delete(i); |
| } |
| |
| Atomics.store(ctrl, 0, 1); |
| |
| while (ctrl[0] === 1) { |
| ctrl[1] = 1; |
| } |
| |
| s.delete(0xc000); |
| } |
| }]; |
| |
| new Map(pairs); |
| }; |
| `; |
| |
| const WORKER_URL = URL.createObjectURL(new Blob([WORKER_CODE], { type: 'text/javascript' })); |
| |
| async function sleep(ms) { |
| return new Promise(resolve => setTimeout(resolve, ms)); |
| } |
| |
| async function main() { |
| for (let i = 0; i < 100; ++i) { |
| const ctrl = new Int32Array(new SharedArrayBuffer(4)); |
| const worker = new Worker(WORKER_URL); |
| |
| worker.postMessage(ctrl); |
| |
| await new Promise(resolve => { |
| const id = setInterval(() => { |
| if (Atomics.load(ctrl, 0) !== 0) { |
| clearInterval(id); |
| |
| resolve(); |
| } |
| }, 0); |
| }); |
| |
| const timeout = Math.floor(Math.random() * 20); |
| const start = Date.now(); |
| |
| ctrl[0] = 2; |
| |
| while (Date.now() - start < timeout) { |
| |
| } |
| |
| worker.terminate(); |
| } |
| } |
| |
| globalThis.testRunner?.waitUntilDone(); |
| |
| main().catch(e => { |
| console.log(e); |
| }).finally(() => { |
| testRunner.notifyDone(); |
| }); |
| |
| </script> |
| <script src="../resources/js-test-post.js"></script> |
| </body> |
