// Copyright (c) 2012 Ecma International.  All rights reserved.
// Ecma International makes this code available under the terms and conditions set
// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the
// "Use Terms").   Any redistribution of this code must retain the above
// copyright and this notice and otherwise comply with the Use Terms.

/*---
info: >
    Function.constructor
    Function.prototype
    Array.prototype
    String.prototype
    Boolean.prototype
    Number.prototype
    Date.prototype
    RegExp.prototype
    Error.prototype
es5id: 15.2.3.13-2-21
description: >
    Object.isExtensible returns true for all built-in objects
    (Error.prototype)
includes: [runTestCase.js]
---*/

function testcase() {
  var e = Object.isExtensible(Error.prototype);
  if (e === true) {
    return true;
  }
 }
runTestCase(testcase);