text: // Copyright 2009 the Sputnik authors.  All rights reserved.
  // This code is governed by the BSD license found in the LICENSE file.
  
  /*---
  info: Error.prototype property has the attributes {DontDelete}
  es5id: 15.11.3.1_A1_T1
  description: Checking if deleting the Error.prototype property fails
  includes: [propertyHelper.js]
  ---*/
  
  var proto=Error.prototype;
  //////////////////////////////////////////////////////////////////////////////
  //CHECK#1
  verifyNotConfigurable(Error, "prototype");
  try {
    if ((delete Error.prototype) !== false) {
      $ERROR('#1: Error.prototype has the attribute DontDelete');
    }
  } catch (e) {
    if (e instanceof Test262Error) throw e;
    assert(e instanceof TypeError);
  }
  //
  //////////////////////////////////////////////////////////////////////////////
  
  //////////////////////////////////////////////////////////////////////////////
  //CHECK#2
  if(Error.prototype!==proto){
    $ERROR('#2: var proto=Error.prototype; delete Error.prototype; Error.prototype===proto. Actual: '+Error.prototype);
  }
  //
  //////////////////////////////////////////////////////////////////////////////
  