text: // Copyright (c) 2012 Ecma International.  All rights reserved.
  // This code is governed by the BSD license found in the LICENSE file.
  
  /*---
  es5id: 15.2.3.14-2-2
  description: Object.keys returns the standard built-in Array (check [[Class]]
  ---*/
  
  var o = {
    x: 1,
    y: 2
  };
  
  var a = Object.keys(o);
  var s = Object.prototype.toString.call(a);
  
  assert.sameValue(s, '[object Array]', 's');
  