null-for-timeout.js (1832B)
1 // |reftest| shell-option(--setpref=atomics_wait_async) skip-if(!this.hasOwnProperty('SharedArrayBuffer')||!this.hasOwnProperty('Atomics')||(this.hasOwnProperty('getBuildConfiguration')&&getBuildConfiguration('arm64-simulator'))||!xulRuntime.shell) -- 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 null timeout arg should result in an +0 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 Null -> Return +0. 19 20 features: [Atomics.waitAsync, SharedArrayBuffer, Symbol, Symbol.toPrimitive, TypedArray, computed-property-names, Atomics, arrow-function] 21 ---*/ 22 assert.sameValue(typeof Atomics.waitAsync, 'function', 'The value of `typeof Atomics.waitAsync` is "function"'); 23 24 const i32a = new Int32Array( 25 new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 4) 26 ); 27 28 const valueOf = { 29 valueOf() { 30 return null; 31 } 32 }; 33 34 const toPrimitive = { 35 [Symbol.toPrimitive]() { 36 return null; 37 } 38 }; 39 40 assert.sameValue( 41 Atomics.waitAsync(i32a, 0, 0, null).value, 42 'timed-out', 43 'The value of Atomics.waitAsync(i32a, 0, 0, null).value is "timed-out"' 44 ); 45 assert.sameValue( 46 Atomics.waitAsync(i32a, 0, 0, valueOf).value, 47 'timed-out', 48 'The value of Atomics.waitAsync(i32a, 0, 0, valueOf).value is "timed-out"' 49 ); 50 assert.sameValue( 51 Atomics.waitAsync(i32a, 0, 0, toPrimitive).value, 52 'timed-out', 53 'The value of Atomics.waitAsync(i32a, 0, 0, toPrimitive).value is "timed-out"' 54 ); 55 56 reportCompare(0, 0);