text: // Copyright 2009 the Sputnik authors.  All rights reserved.
  // This code is governed by the BSD license found in the LICENSE file.
  
  /**
   * The valueOf function is not generic, it cannot be transferred
   * to other kinds of objects for use as a method and there is should be
   * a TypeError exception if its this value is not a Number object
   *
   * @path ch15/15.7/15.7.4/15.7.4.4/S15.7.4.4_A2_T03.js
   * @description transferring to the Date objects
   */
  
  //CHECK#1
  try{
    var s1 = new Date();
    s1.valueOf = Number.prototype.valueOf;
    var v1 = s1.valueOf(); 
    $ERROR('#1: Number.prototype.valueOf on not a Number object should throw TypeError');
  }
  catch(e){
    if(!(e instanceof TypeError)){
      $ERROR('#1: Number.prototype.valueOf on not a Number object should throw TypeError, not '+e);
    }
  }
  
  //CHECK#2
  try{
    var s2 = new Date();
    s2.myValueOf = Number.prototype.valueOf;
    var v2 = s2.myValueOf(); 
    $ERROR('#2: Number.prototype.valueOf on not a Number object should throw TypeError');
  }
  catch(e){
    if(!(e instanceof TypeError)){
      $ERROR('#2: Number.prototype.valueOf on not a Number object should throw TypeError, not '+e);
    }
  }
  
  
  