// Copyright 2009 the Sputnik authors.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/**
 * When the isPrototypeOf method is called with argument V and when O and
 * V refer to the same object or to objects joined to each other, return true
 *
 * @path ch15/15.2/15.2.4/15.2.4.6/S15.2.4.6_A1.js
 * @description Creating two objects with the same prototype
 */

function USER_FACTORY( name ) {
  this.name = name;
  this.getName=function(){return name;};
}


function FORCEDUSER_FACTORY( name, grade ) {
    this.name = name;
  this.grade = grade;
  this.getGrade=function(){return grade;};
}

var proto = new USER_FACTORY("noname");

FORCEDUSER_FACTORY.prototype = proto;

var luke = new FORCEDUSER_FACTORY("Luke Skywalker", 12);
//////
// CHECK#1
if(proto.isPrototypeOf(luke)){
  $PRINT('#1: Native ECMAScript objects have an internal property called [[Prototype]].');
} else {
  $ERROR('#1: native ECMAScript objects have an internal property called [[Prototype]].');
}
//
/////////
//////
// CHECK#2
if(USER_FACTORY.prototype.isPrototypeOf(luke)){
  $PRINT('#2: Native ECMAScript objects have an internal property called [[Prototype]].');
} else {
  $ERROR('#2: native ECMAScript objects have an internal property called [[Prototype]].');
}
//
/////////
//////
// CHECK#3
if(Number.isPrototypeOf(luke)){
  $ERROR('#2: Native ECMAScript objects have an internal property called [[Prototype]].');
}
//
/////////