软件测试第一次实验

package lib1;

public class Triangle {

     public static String triganles (int a, int b, int c){
            if(a+b > c && a+c > b && b+c > a){
            　　if (a == b && b == c)
                　　return "this is a equilateral triganle!";
            　　else if (a == b || b == c || c == a)
                　　return "this is a isosceles triganle!";
            　　else
               　　 return "this is a scalene triganle!"; 
            }
　　　　　　 else
               return "this is not triganle!";
        }
}

package lib1;
import static org.junit.Assert.*;
import org.junit.Test;
public class TestTriangle {

   @Test

    public void testTriangle() {
        assertEquals("this is not triganle!",new Triangle().triganles(1,2,3));
        assertEquals("this is a equilateral triganle!",new Triangle().triganles(1,1,1));
        assertEquals("this is a isosceles triganle!",new Triangle().triganles(2,2,3));
        assertEquals("this is a scalene triganle!",new Triangle().triganles(2,3,4));
    }
}