text: // Copyright 2009 the Sputnik authors.  All rights reserved.
  // This code is governed by the BSD license found in the LICENSE file.
  
  /**
  * @name: S15.4.4.13_A5.3;
  * @section: 15.4.4.13; 
  * @assertion: The length property of unshift has the attribute ReadOnly;
  * @description: Checking if varying the length property fails;
  * @strict_mode_negative
  */
  
  //CHECK#1
  var x = Array.prototype.unshift.length;
  Array.prototype.unshift.length = Infinity;
  if (Array.prototype.unshift.length !== x) {
    $ERROR('#1: x = Array.prototype.unshift.length; Array.prototype.unshift.length = Infinity; Array.prototype.unshift.length === x. Actual: ' + (Array.prototype.unshift.length));
  }
  
  