<?php

//copyright Lawrence Truett and FluffyCat.com 2006, all rights reserved

  include_once('FlyweightBook.php');
  include_once('FlyweightBookShelf.php');
  include_once('FlyweightFactory.php');

  define('BR', '<'.'BR'.'>');

  echo 'BEGIN TESTING FLYWEIGHT PATTERN'.BR;
  echo BR;
  
  $flyweightFactory = new FlyweightFactory();
  $flyweightBookShelf1 =  new FlyweightBookShelf();
  $flyweightBook1 = $flyweightFactory->getBook(1);
  $flyweightBookShelf1->addBook($flyweightBook1);
  $flyweightBook2 = $flyweightFactory->getBook(1);
  $flyweightBookShelf1->addBook($flyweightBook2);
  
  echo 'test 1 - show the two books are the same book'.BR;
  if ($flyweightBook1 === $flyweightBook2) {
    echo '1 and 2 are the same';
  } else {
    echo '1 and 2 are not the same';    
  }
  echo BR.BR;  

  echo 'test 2 - with one book on one self twice'.BR;
  echo $flyweightBookShelf1->showBooks();
  echo BR;

  $flyweightBookShelf2 =  new FlyweightBookShelf(); 
  $flyweightBook1 = $flyweightFactory->getBook(2);  
  $flyweightBookShelf2->addBook($flyweightBook1);
  $flyweightBookShelf1->addBook($flyweightBook1);

  echo 'test 3 - book shelf one'.BR;
  echo $flyweightBookShelf1->showBooks();
  echo BR;
  echo 'test 3 - book shelf two'.BR;
  echo $flyweightBookShelf2->showBooks();
  echo BR.BR;

  echo 'END TESTING FLYWEIGHT PATTERN'.BR;

?>