undefined-for-timeout.js (2022B)
1 // |reftest| shell-option(--setpref=atomics_wait_async) skip-if(!this.hasOwnProperty('SharedArrayBuffer')||!this.hasOwnProperty('Atomics')||(this.hasOwnProperty('getBuildConfiguration')&&getBuildConfiguration('arm64-simulator'))||!xulRuntime.shell) async -- SharedArrayBuffer,Atomics is not enabled unconditionally, ARM64 Simulator cannot emulate atomics, requires shell-options 2 // Copyright (C) 2020 Rick Waldron. All rights reserved. 3 // This code is governed by the BSD license found in the LICENSE file. 4 /*--- 5 esid: sec-atomics.waitasync 6 description: > 7 Undefined timeout arg should result in an infinite timeout 8 info: | 9 Atomics.waitAsync( typedArray, index, value, timeout ) 10 11 1. Return DoWait(async, typedArray, index, value, timeout). 12 13 DoWait ( mode, typedArray, index, value, timeout ) 14 15 6. Let q be ? ToNumber(timeout). 16 ... 17 Undefined Return NaN. 18 19 5.If q is NaN, let t be +∞, else let t be max(q, 0) 20 21 flags: [async] 22 features: [Atomics.waitAsync, SharedArrayBuffer, TypedArray, Atomics, BigInt, computed-property-names, Symbol, Symbol.toPrimitive, arrow-function] 23 ---*/ 24 assert.sameValue(typeof Atomics.waitAsync, 'function', 'The value of `typeof Atomics.waitAsync` is "function"'); 25 const i64a = new BigInt64Array(new SharedArrayBuffer(BigInt64Array.BYTES_PER_ELEMENT * 4)); 26 27 const valueOf = { 28 valueOf() { 29 return undefined; 30 } 31 }; 32 33 const toPrimitive = { 34 [Symbol.toPrimitive]() { 35 return undefined; 36 } 37 }; 38 39 Promise.all([ 40 Atomics.waitAsync(i64a, 0, 0n).value, 41 Atomics.waitAsync(i64a, 0, 0n, undefined).value, 42 Atomics.waitAsync(i64a, 0, 0n, valueOf).value, 43 Atomics.waitAsync(i64a, 0, 0n, toPrimitive).value 44 ]).then(outcomes => { 45 assert.sameValue(outcomes[0], 'ok', 'The value of outcomes[0] is "ok"'); 46 assert.sameValue(outcomes[1], 'ok', 'The value of outcomes[1] is "ok"'); 47 assert.sameValue(outcomes[2], 'ok', 'The value of outcomes[2] is "ok"'); 48 assert.sameValue(outcomes[3], 'ok', 'The value of outcomes[3] is "ok"'); 49 }).then($DONE, $DONE); 50 51 Atomics.notify(i64a, 0);