undefined-for-timeout.js (2029B)
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 /*--- 6 esid: sec-atomics.waitasync 7 description: > 8 Undefined timeout arg should result in an infinite timeout 9 info: | 10 Atomics.waitAsync( typedArray, index, value, timeout ) 11 12 1. Return DoWait(async, typedArray, index, value, timeout). 13 14 DoWait ( mode, typedArray, index, value, timeout ) 15 16 6. Let q be ? ToNumber(timeout). 17 ... 18 Undefined Return NaN. 19 20 5.If q is NaN, let t be +∞, else let t be max(q, 0) 21 22 flags: [async] 23 features: [Atomics.waitAsync, SharedArrayBuffer, TypedArray, Atomics, computed-property-names, Symbol, Symbol.toPrimitive, arrow-function] 24 ---*/ 25 assert.sameValue(typeof Atomics.waitAsync, 'function', 'The value of `typeof Atomics.waitAsync` is "function"'); 26 const i32a = new Int32Array( 27 new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 4) 28 ); 29 30 const valueOf = { 31 valueOf() { 32 return undefined; 33 } 34 }; 35 36 const toPrimitive = { 37 [Symbol.toPrimitive]() { 38 return undefined; 39 } 40 }; 41 42 Promise.all([ 43 Atomics.waitAsync(i32a, 0, 0).value, 44 Atomics.waitAsync(i32a, 0, 0, undefined).value, 45 Atomics.waitAsync(i32a, 0, 0, valueOf).value, 46 Atomics.waitAsync(i32a, 0, 0, toPrimitive).value 47 ]).then(outcomes => { 48 assert.sameValue(outcomes[0], 'ok', 'The value of outcomes[0] is "ok"'); 49 assert.sameValue(outcomes[1], 'ok', 'The value of outcomes[1] is "ok"'); 50 assert.sameValue(outcomes[2], 'ok', 'The value of outcomes[2] is "ok"'); 51 assert.sameValue(outcomes[3], 'ok', 'The value of outcomes[3] is "ok"'); 52 }).then($DONE, $DONE); 53 54 Atomics.notify(i32a, 0);