// File:  BogusListTester2.java

// A simple test class for the BogusList2 class.

// To demonstrate "information hiding," this test class is identical to
// the previous version (that tested the BogusList class)

import lists.BogusList2 ;
import java.util.Random ;

public class BogusListTester2 
{
	public static void listPositives(BogusList2<Integer> newList, 
	                                 BogusList2<Integer> oldList) 
	{
		// Copy all positive ints from oldList to newList

		oldList.setIterator() ;				// point cursor to head of oldList
		while ( oldList.more() )			// while more items on oldList...
		{
			// get current item and advance iterator to next item
			int currentItem = oldList.next() ;  
			
			if ( currentItem > 0 )				// if positive number...
			   newList.append(currentItem) ;	// ...append to newList
		}
	}

	public static void main(String [] args) 
	{
		BogusList2 aList = new BogusList2<Integer>(),
		           bList = new BogusList2<Integer>() ;
		          
		Random r = new Random() ;

		// append 10 random ints in range -99..99 to aList
		for (int i = 1 ; i <= 10 ; i++)
	   		aList.append( r.nextInt() % 100 ) ;
	   
		System.out.println("Printing the \"A\" list:\n" + aList) ;

		// copy positive ints to bList
		listPositives (bList, aList) ;	    

		System.out.println("Printing the \"B\" list:\n" + bList) ;

		// is 37 on bList?
		if ( bList.contains(37) )
			System.out.println(37 + " IS on the \"B\" list\n") ;
		else
			System.out.println(37 + " is NOT on the \"B\" list\n") ;
	}
}

/* program output:

Printing the "A" list:
-77  -83  86  48  79  -36  -95  83  5  82

Printing the "B" list:
86  48  79  83  5  82

37 is NOT on the "B" list

*/