lefttest.java

实现火星车,全部由java写成

package cn.nasa;

import junit.framework.TestCase;

public class LeftTest extends TestCase {
	
	private Direction E,S,W,N;
	private Coordinate coordinate;
	private Left left;


	protected void setUp() throws Exception {
		super.setUp();
		left=new Left();
		
		N=new Direction();
		E=new Direction();
		W=new Direction();
		S=new Direction();
		
	    N.setLeft(W);
	    W.setLeft(S);
	    S.setLeft(E);
	    E.setLeft(N);
	    
	    coordinate=new Coordinate(2,3);
	}

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

	public void testExec() {
		left.setdirection(N);
		assertEquals(W, left.exec());
		assertEquals(S, left.exec());
		assertEquals(E, left.exec());
		assertEquals(N, left.exec());
	}

//	public void testSetcoordinate() {
//		left.setcoordinate(coordinate);		
//	}
}