test262/test/built-ins/Object/getOwnPropertyDescriptor/15.2.3.3-4-178.js

// Copyright (c) 2012 Ecma International.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
es5id: 15.2.3.3-4-178
description: >
    Object.getOwnPropertyDescriptor returns data desc (all false) for
    properties on built-ins (Global.NaN)
includes:
    - runTestCase.js
    - fnGlobalObject.js
---*/

function testcase() {
  // in non-strict mode, 'this' is bound to the global object.
  var desc = Object.getOwnPropertyDescriptor(fnGlobalObject(), "NaN");

  if (desc.writable === false &&
      desc.enumerable === false &&
      desc.configurable === false &&
      desc.hasOwnProperty('get') === false &&
      desc.hasOwnProperty('set') === false) {
    return true;
  }
  return false;
 }
runTestCase(testcase);