练习5.2更新——继5.1的追加更新完善

 

 1 package ppackage;
 2 import static org.junit.Assert.*;
 3 
 4 import java.math.BigDecimal;
 5 
 6 import org.junit.Test;
 7 
 8 
 9 public class Rank {
10 
11     @Test
12     public void testrank() {
13         CalcuteRank c=new CalcuteRank();
14         try{
15         BigDecimal answer=c.rank("5");
16         assertEquals(120,answer.intValue());
17         }
18         catch(FsException e)
19         {
20             System.out.println(e.getMessage());
21         }
22     }
23     public void testfs() {
24         CalcuteRank c=new CalcuteRank();
25         try{
26         BigDecimal answer=c.rank("-5");
27         }
28         catch(FsException e)
29         {
30             System.out.println(e.getMessage());
31         }
32     }
33     public void testff() {
34         CalcuteRank c=new CalcuteRank();
35         try{
36         BigDecimal answer=c.rank("a");
37         assertEquals(120,answer.intValue());
38         }
39         catch(NumberFormatException e)
40         {
41             System.out.println(e.getMessage());
42         }
43         catch(FsException e)
44         {
45             System.out.println(e.getMessage());
46         }
47     }
48 
49 }

Junit