bad-range.js (1063B)
1 // |reftest| skip-if(!this.hasOwnProperty('Atomics')||!this.hasOwnProperty('SharedArrayBuffer')||(this.hasOwnProperty('getBuildConfiguration')&&getBuildConfiguration('arm64-simulator'))) -- Atomics,SharedArrayBuffer is not enabled unconditionally, ARM64 Simulator cannot emulate atomics 2 // Copyright (C) 2018 Rick Waldron. All rights reserved. 3 // This code is governed by the BSD license found in the LICENSE file. 4 /*--- 5 esid: sec-atomics.compareexchange 6 description: > 7 Test range checking of Atomics.compareExchange on arrays that allow atomic operations 8 includes: [testAtomics.js, testBigIntTypedArray.js] 9 features: [ArrayBuffer, Atomics, BigInt, DataView, SharedArrayBuffer, Symbol, TypedArray] 10 ---*/ 11 const buffer = new SharedArrayBuffer(BigInt64Array.BYTES_PER_ELEMENT * 2); 12 13 testWithBigIntTypedArrayConstructors(function(TA) { 14 const view = new TA(buffer); 15 16 testWithAtomicsOutOfBoundsIndices(function(IdxGen) { 17 assert.throws(RangeError, function() { 18 Atomics.compareExchange(view, IdxGen(view), 10, 0n); 19 }); 20 }); 21 }); 22 23 reportCompare(0, 0);