// Copyright (C) 2015 André Bargull. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
es6id: 19.5.6.4
description: >
  ReferenceError instances have an [[ErrorData]] internal slot.
info: |
  NativeError instances are ordinary objects that inherit properties
  from their NativeError prototype object and have an [[ErrorData]]
  internal slot whose value is undefined
---*/

assert.sameValue(Object.prototype.toString.call(new ReferenceError), "[object Error]");