poisoned-object-for-timeout-throws.js (1915B)
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 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 Let primValue be ? ToPrimitive(argument, hint Number). 18 Return ? ToNumber(primValue). 19 20 features: [Atomics.waitAsync, SharedArrayBuffer, Symbol, Symbol.toPrimitive, TypedArray, computed-property-names, Atomics, BigInt] 21 ---*/ 22 assert.sameValue(typeof Atomics.waitAsync, 'function', 'The value of `typeof Atomics.waitAsync` is "function"'); 23 const i64a = new BigInt64Array(new SharedArrayBuffer(BigInt64Array.BYTES_PER_ELEMENT * 4)); 24 25 const poisonedValueOf = { 26 valueOf() { 27 throw new Test262Error('should not evaluate this code'); 28 } 29 }; 30 31 const poisonedToPrimitive = { 32 [Symbol.toPrimitive]() { 33 throw new Test262Error('passing a poisoned object using @@ToPrimitive'); 34 } 35 }; 36 37 assert.throws(Test262Error, function() { 38 Atomics.waitAsync(i64a, 0, 0n, poisonedValueOf); 39 }, '`Atomics.waitAsync(i64a, 0, 0n, poisonedValueOf)` throws a Test262Error exception'); 40 41 assert.throws(Test262Error, function() { 42 Atomics.waitAsync(i64a, 0, 0n, poisonedToPrimitive); 43 }, '`Atomics.waitAsync(i64a, 0, 0n, poisonedToPrimitive)` throws a Test262Error exception'); 44 45 reportCompare(0, 0);