directiontest.java

实现火星车,全部由java写成

package cn.nasa;


import junit.framework.TestCase;

public class DirectionTest extends TestCase {
	private Direction E,S,W,N;
	private Direction X;
	

	protected void setUp() throws Exception {
		super.setUp();
		N=new Direction();
		E=new Direction();
		W=new Direction();
		S=new Direction();
		X=new Direction();
		
	    N.setLeft(W);
	    W.setLeft(S);
	    S.setLeft(E);
	    E.setLeft(N);
	    
	    N.setRight(E);
	    W.setRight(N);
	    S.setRight(W);
	    E.setRight(S);
	    
	    X.setX_offset(2);
	    X.setY_offset(1);
		
	}

	protected void tearDown() throws Exception {
		super.tearDown();
	}

	public void testDirection() {
	}

	public void testTurnLeft() {
		assertEquals(W, N.TurnLeft());
		assertEquals(S, W.TurnLeft());
		assertEquals(E, S.TurnLeft());
		assertEquals(N, E.TurnLeft());
	}

	public void testTurnRight() {
		assertEquals(E, N.TurnRight());
		assertEquals(N, W.TurnRight());
		assertEquals(W, S.TurnRight());
		assertEquals(S, E.TurnRight());
	}

	public void testSetX_offset() {
		assertEquals(2, X.getX_offset());
	}

	public void testSetY_offset() {
		assertEquals(1, X.getY_offset());
	}

}