true-for-timeout.js (2260B)
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 Throws a TypeError if index arg can not be converted to an Integer 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 Boolean -> If argument is true, return 1. If argument is false, return +0. 18 19 flags: [async] 20 includes: [atomicsHelper.js] 21 features: [Atomics.waitAsync, SharedArrayBuffer, TypedArray, Atomics, BigInt, computed-property-names, Symbol, Symbol.toPrimitive, arrow-function] 22 ---*/ 23 assert.sameValue(typeof Atomics.waitAsync, 'function', 'The value of `typeof Atomics.waitAsync` is "function"'); 24 const i64a = new BigInt64Array(new SharedArrayBuffer(BigInt64Array.BYTES_PER_ELEMENT * 4)); 25 26 const valueOf = { 27 valueOf() { 28 return true; 29 } 30 }; 31 32 const toPrimitive = { 33 [Symbol.toPrimitive]() { 34 return true; 35 } 36 }; 37 38 let outcomes = []; 39 let lifespan = 1000; 40 let start = $262.agent.monotonicNow(); 41 42 (function wait() { 43 let elapsed = $262.agent.monotonicNow() - start; 44 45 if (elapsed > lifespan) { 46 $DONE('Test timed out'); 47 return; 48 } 49 50 if (outcomes.length) { 51 assert.sameValue(outcomes[0], 'timed-out', 'The value of outcomes[0] is "timed-out"'); 52 assert.sameValue(outcomes[1], 'timed-out', 'The value of outcomes[1] is "timed-out"'); 53 assert.sameValue(outcomes[2], 'timed-out', 'The value of outcomes[2] is "timed-out"'); 54 $DONE(); 55 return; 56 } 57 58 $262.agent.setTimeout(wait, 0); 59 })(); 60 61 Promise.all([ 62 Atomics.waitAsync(i64a, 0, 0n, true).value, 63 Atomics.waitAsync(i64a, 0, 0n, valueOf).value, 64 Atomics.waitAsync(i64a, 0, 0n, toPrimitive).value 65 ]).then(results => outcomes = results, $DONE);