import org.junit.*;
import static org.junit.Assert.*;

//
// Example of jUnit testing of the class LinkedList. Note that this is not
// a complete test. Shown are all the details for the several steps of testing.
public class TestLinkedList {

	LinkedList l1;

	// Fixtures here: method to initialize any common
	// objects during each test.
	// (Optional)
	@Before
	public void setup() {
		l1 = new LinkedList();
	}
	
	@After
	public void tearDown() {
		l1.clear();
	}

	// Individual test routines here. These are in the order they were written.
	@Test
	public void testToString() {
		System.out.println( "l1 = " + l1.toString() );
		l1.add( "one" );
		System.out.println( "l1 = " + l1.toString() );
		l1.add( "two" );
		System.out.println( "l1 = " + l1.toString() );
		l1.add( "three" );
		System.out.println( "l1 = " + l1.toString() );
		assertTrue( true );
	}
	
	@Test
	public void testAdd() {
		assertTrue( l1.isEmpty() );
		assertTrue( l1.size() == 0 );
		l1.add( "one" );
		assertFalse( l1.isEmpty() );
		assertTrue( l1.size() == 1 );
		l1.add( "two" );
		assertFalse( l1.isEmpty() );
		assertTrue( l1.size() == 2 );
		l1.add( "three" );
		assertFalse( l1.isEmpty() );
		assertTrue( l1.size() == 3 );
	}

	@Test
	public void testGet() {
		l1.add( "one" );
		l1.add( "two" );
		l1.add( "three" );
		assertTrue( l1.get(0).equals( "one" ) );
		assertFalse( l1.get(0).equals( "two" ) );
		assertFalse( l1.get(0).equals( "three" ) );
		assertFalse( l1.get(1).equals( "one" ) );
		assertTrue( l1.get(1).equals( "two" ) );
		assertFalse( l1.get(1).equals( "three" ) );
		assertFalse( l1.get(2).equals( "one" ) );
		assertFalse( l1.get(2).equals( "two" ) );
		assertTrue( l1.get(2).equals( "three" ) );
	}

	@Test
	public void testContains() {	
		assertFalse( l1.contains( "" ));
		assertFalse( l1.contains( "one" ));
		l1.add( "one" );
		assertTrue( l1.contains( "one" ));
		l1.add( "two" );
		assertTrue( l1.contains( "one" ));
		assertTrue( l1.contains( "two" ));
		l1.add( "three" );
		assertTrue( l1.contains( "one" ));
		assertTrue( l1.contains( "two" ));
		assertTrue( l1.contains( "three" ));
		assertFalse( l1.contains( "four" ));
	}
	
				
	public static void main( String[] args ) {
		org.junit.runner.JUnitCore.main("TestLinkedList");
	}
	
}