JSTests/test262/test/built-ins/Atomics/prop-desc.js

// Copyright (C) 2016 The V8 Project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
esid: sec-atomics-object
description: >
  Property descriptor of Atomics
info: |
  The Atomics Object

  ...
  The Atomics object does not have a [[Construct]] internal method;
  it is not possible to use the Atomics object as a constructor with the new operator.

  The Atomics object does not have a [[Call]] internal method;
  it is not possible to invoke the Atomics object as a function.

  17 ECMAScript Standard Built-in Objects:

  Every other data property described in clauses 18 through 26 and in Annex B.2
  has the attributes { [[Writable]]: true, [[Enumerable]]: false,
  [[Configurable]]: true } unless otherwise specified.
includes: [propertyHelper.js]
features: [Atomics]
---*/

assert.sameValue(typeof Atomics, "object", 'The value of `typeof Atomics` is "object"');

assert.throws(TypeError, function() {
  Atomics();
}, '`Atomics()` throws TypeError');

assert.throws(TypeError, function() {
  new Atomics();
}, '`new Atomics()` throws TypeError');

verifyProperty(this, "Atomics", {
  enumerable: false,
  writable: true,
  configurable: true
});