object-for-timeout.js (1658B)
1 // |reftest| skip-if(!xulRuntime.shell||!this.hasOwnProperty('Atomics')||!this.hasOwnProperty('SharedArrayBuffer')||(this.hasOwnProperty('getBuildConfiguration')&&getBuildConfiguration('arm64-simulator'))) -- browser cannot block main thread, Atomics,SharedArrayBuffer is not enabled unconditionally, ARM64 Simulator cannot emulate atomics 2 // Copyright (C) 2018 Amal Hussein. All rights reserved. 3 // This code is governed by the BSD license found in the LICENSE file. 4 5 /*--- 6 esid: sec-atomics.wait 7 description: > 8 Throws a TypeError if index arg can not be converted to an Integer 9 info: | 10 Atomics.wait( typedArray, index, value, timeout ) 11 12 4. Let q be ? ToNumber(timeout). 13 14 Object -> Apply the following steps: 15 16 Let primValue be ? ToPrimitive(argument, hint Number). 17 Return ? ToNumber(primValue). 18 19 features: [Atomics, SharedArrayBuffer, Symbol, Symbol.toPrimitive, TypedArray] 20 flags: [CanBlockIsTrue] 21 ---*/ 22 23 const i32a = new Int32Array( 24 new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 4) 25 ); 26 27 const valueOf = { 28 valueOf: function() { 29 return 0; 30 } 31 }; 32 33 const toString = { 34 toString: function() { 35 return "0"; 36 } 37 }; 38 39 const toPrimitive = { 40 [Symbol.toPrimitive]: function() { 41 return 0; 42 } 43 }; 44 45 assert.sameValue( 46 Atomics.wait(i32a, 0, 0, valueOf), 47 'timed-out', 48 'Atomics.wait(i32a, 0, 0, valueOf) returns "timed-out"' 49 ); 50 assert.sameValue( 51 Atomics.wait(i32a, 0, 0, toString), 52 'timed-out', 53 'Atomics.wait(i32a, 0, 0, toString) returns "timed-out"' 54 ); 55 assert.sameValue( 56 Atomics.wait(i32a, 0, 0, toPrimitive), 57 'timed-out', 58 'Atomics.wait(i32a, 0, 0, toPrimitive) returns "timed-out"' 59 ); 60 61 reportCompare(0, 0);