/**
 * Code to unit test the AList implementation of ListInterface
 * 
 * @author R. Flatland 
 */
public class TestListInterface
{
    private int score;
    private int maxscore;

    public TestListInterface()
    {
 
    }

    public void test()
    {
        score = 0;
        maxscore = 0;
        
        AList<Integer> list1 = new AList<Integer>( 10 );
        
        // Test add methods and getLength method
        list1.add( 1 );
        list1.add( 2 );
        list1.add( 3 );
        list1.add( 4 );
        
        if ( list1.getLength() == 4 ) score++;
        maxscore++;
        
        if ( list1.add( 5 ) == true ) score++;
        maxscore++;
        
        if ((list1.getEntry(2) != null) && (list1.getEntry(2) == 2 )) score++;
        maxscore++;
        if (( list1.getEntry(5) != null) && (list1.getEntry(5) == 5 )) score++;
        maxscore++;
        
        if ( list1.add(2, 6) == true) score++;
        maxscore++;
        if (( list1.getEntry(2) != null) && (list1.getEntry(2) == 6 )) score++;
        maxscore++;
        if (( list1.getEntry(3) != null) && (list1.getEntry(3) == 2 )) score++;
        maxscore++;
        if (( list1.getEntry(6) != null) && (list1.getEntry(6) == 5 )) score++;
        maxscore++;
        
        if ( list1.add(9, 6) == false) score++;
        maxscore++;
        if ( list1.add(20, 6) == false) score++;
        maxscore++;
        if ( list1.add(7, 6) == true) score++;
        maxscore++;
                
        if ( list1.getLength() == 7 ) score++;
        maxscore++;
        
        // Test replace method
        AList<Integer> list2 = new AList<Integer>( 10 );
        if (list2.replace( 4, 8 ) == false) score++;
        maxscore++;
        if (list2.replace( 0, 8 ) == false) score++;
        maxscore++;
        if (list2.replace( -3, 8 ) == false) score++;
        maxscore++;
        
        for (int i = 1; i <= 10; i++ ) 
            list2.add( i );
        
        if ( list2.replace( 5, 15 ) == true ) score++;
        maxscore++;
        if (( list2.getEntry(5) != null) && (list2.getEntry(5) == 15 )) score++;
        maxscore++;
        if ( list2.replace( -5, 4 ) == false ) score++;
        maxscore++;
        
        // Test Remove method
        AList<Integer> list3 = new AList<Integer>( 10 );
                
        if (list3.remove( 5 ) == null) score++;
        maxscore++;
        
        for (int i = 1; i <= 10; i++ ) 
            list3.add( i );
           
        if ((list3.remove( 5 ) != null) && (list3.remove( 5 ) == 5)) score++;
        maxscore++;
        
        // Test isEmpty & isFull & clear methods
        AList<Integer> list4 = new AList<Integer>( 10 );
                
        if (list4.isEmpty() == true) score++;
        maxscore++;
        if (list4.isFull() == false) score++;
        maxscore++;
        
        list4.add( 1 );
        if (list4.isEmpty() == false) score++;
        maxscore++;
        
        for (int i = 2; i <= 10; i++ ) 
            list4.add( i );
            
        if (list4.isFull() == true) score++;
        maxscore++;
        
        list4.clear();
        if (list4.isEmpty() == true) score++;
        maxscore++;
        
        // Test contains method
        AList<Integer> list5 = new AList<Integer>( 10 );
        list5.add(5);
        if (list5.contains(5)){
            
            score++;
            
        }
        if(list5.contains(10000)== false){
            score++;
        }
        maxscore++;
        
        
        // Test reverse method
        AList<Integer> list6 = new AList<Integer>( 3 );
        list6.add(1);
        list6.add(2);
        list6.add(3);
        Integer temp = list6.getEntry(1);
        list6.reverse();
        if(( list6.getEntry(list6.getLength()) != null) && (temp.equals(list6.getEntry(list6.getLength())))){
            score++;
        }
        maxscore++;
        
        
        
        System.out.println( "You scored " + score + " out of a possible " + maxscore + " points." );
        if ( score < maxscore ) System.out.println( "Keep on it - you can fix the bugs!" );
        else System.out.println( "You rock -- a perfect score!" );
        
    }
}