negative-index-throws.js (1361B)
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 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.notify 7 description: > 8 Throws a RangeError is index < 0 9 info: | 10 Atomics.notify( typedArray, index, count ) 11 12 2.Let i be ? ValidateAtomicAccess(typedArray, index). 13 ... 14 2.Let accessIndex be ? ToIndex(requestIndex). 15 ... 16 2.b If integerIndex < 0, throw a RangeError exception 17 features: [Atomics, SharedArrayBuffer, TypedArray] 18 ---*/ 19 20 const i32a = new Int32Array( 21 new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 4) 22 ); 23 24 const poisoned = { 25 valueOf: function() { 26 throw new Test262Error('should not evaluate this code'); 27 } 28 }; 29 30 assert.throws(RangeError, function() { 31 Atomics.notify(i32a, -Infinity, poisoned); 32 }); 33 assert.throws(RangeError, function() { 34 Atomics.notify(i32a, -7.999, poisoned); 35 }); 36 assert.throws(RangeError, function() { 37 Atomics.notify(i32a, -1, poisoned); 38 }); 39 assert.throws(RangeError, function() { 40 Atomics.notify(i32a, -300, poisoned); 41 }); 42 43 reportCompare(0, 0);