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// |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
// Copyright (C) 2020 Rick Waldron. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-ecmascript-standard-built-in-objects
description: >
Atomics.compareExchange does not implement [[Construct]], is not new-able
info: |
ECMAScript Function Objects
Built-in function objects that are not identified as constructors do not
implement the [[Construct]] internal method unless otherwise specified in
the description of a particular function.
sec-evaluatenew
...
7. If IsConstructor(constructor) is false, throw a TypeError exception.
...
includes: [isConstructor.js]
features: [Reflect.construct, Atomics, arrow-function, TypedArray, SharedArrayBuffer]
---*/
assert.sameValue(
isConstructor(Atomics.compareExchange),
false,
'isConstructor(Atomics.compareExchange) must return false'
);
assert.throws(TypeError, () => {
new Atomics.compareExchange(new Int32Array(new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT)));
}, '`new Atomics.compareExchange(new Int32Array(new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT)))` throws TypeError');
reportCompare(0, 0);
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