| <!DOCTYPE HTML><!-- webkit-test-runner [ jscOptions=--useSharedArrayBuffer=true ] --> |
| <body> |
| <script> |
| |
| const WORKER_CODE = ` |
| self.onmessage = e => { |
| const arrayBuffer = e.data; |
| const uint8Array = new Uint8Array(arrayBuffer); |
| |
| uint8Array[0] = 1; |
| |
| while (uint8Array[0] === 1) { |
| |
| } |
| |
| arrayBuffer.grow(5); |
| }; |
| `; |
| |
| async function sleep(ms) { |
| return new Promise(resolve => setTimeout(resolve, ms)); |
| } |
| |
| async function main() { |
| const w = new Worker(URL.createObjectURL(new Blob([WORKER_CODE]))); |
| |
| const arrayBuffer = new SharedArrayBuffer(1, { |
| maxByteLength: 5 |
| }); |
| |
| const uint8Array = new Uint8Array(arrayBuffer); |
| w.postMessage(arrayBuffer); |
| |
| while (uint8Array[0] === 0) { |
| await sleep(0); |
| } |
| |
| const array = [new ArrayBuffer(0x1000_0000), new ArrayBuffer(0x400_0000 - 19)]; |
| array.__defineGetter__(2, () => { |
| uint8Array[0] = 2; |
| |
| return arrayBuffer; |
| }); |
| |
| array[37] = new Uint8Array([ |
| 0x00, 0x00, |
| |
| 0x37, 0x13, 0x00, 0x00, // 0x1337, |
| 0x10, // StringTag |
| 0x05, 0x00, 0x00, 0x80, // length |
| 0x68, 0x65, 0x6c, 0x6c, 0x6f, // hello |
| |
| 0xff, 0xff, 0xff, 0xff, // TerminatorTag |
| ]); |
| |
| const result = structuredClone(array)[0x1337]; |
| alert(result === undefined ? 'PASS' : 'FAIL'); |
| } |
| |
| globalThis.testRunner?.waitUntilDone(); |
| globalThis.testRunner?.dumpAsText(); |
| |
| main().catch(e => { |
| console.log(e); |
| }).finally(async () => { |
| globalThis.testRunner?.notifyDone(); |
| }); |
| |
| </script> |
| </body> |
