not-a-constructor.js (1260B)
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) 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-ecmascript-standard-built-in-objects 7 description: > 8 Atomics.xor does not implement [[Construct]], is not new-able 9 info: | 10 ECMAScript Function Objects 11 12 Built-in function objects that are not identified as constructors do not 13 implement the [[Construct]] internal method unless otherwise specified in 14 the description of a particular function. 15 16 sec-evaluatenew 17 18 ... 19 7. If IsConstructor(constructor) is false, throw a TypeError exception. 20 ... 21 includes: [isConstructor.js] 22 features: [Reflect.construct, Atomics, arrow-function, TypedArray, SharedArrayBuffer] 23 ---*/ 24 25 assert.sameValue(isConstructor(Atomics.xor), false, 'isConstructor(Atomics.xor) must return false'); 26 27 assert.throws(TypeError, () => { 28 new Atomics.xor(new Int32Array(new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT))); 29 }); 30 31 32 reportCompare(0, 0);