作业8

package 判断三角形;

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

public class TriangleTest {

      @Test
      public void testIsTriangle1(){
          Triangle t = new Triangle(-1,10,2);
          assertFalse("Illegal",t.isTriangle(t));
      }
  
      @Test
      public void testIsTriangle2(){
          // according to the mutant, this test case should fail
          Triangle t = new Triangle(3,2,1);
          assertFalse("Illegal",t.isTriangle(t));
      }
  
      @Test
      public void testIsTriangle3(){
          Triangle t = new Triangle(3,1,2);
          assertFalse("Illegal",t.isTriangle(t));
      }

      @Test
      public void testlsTringle4(){
          Triangle t=new Triangle(2,3,4);
          assertFalse("Scalene",t.isTriangle(t));
      }
      @Test
      public void testlsTringle5(){
          Triangle t=new Triangle(-3,-3,-3);
          assertFalse("Illegal",t.isTriangle(t));
      }
      @Test
      public void testlsTringle6(){
          Triangle t=new Triangle(3,3,3);
          assertFalse("Regular",t.isTriangle(t));
      }
      @Test
      public void testlsTringle7(){
          Triangle t=new Triangle(3,3,7);
          assertFalse("Illegal",t.isTriangle(t));
      }
      @Test
      public void testlsTringle8(){
          Triangle t=new Triangle(3,3,5);
          assertFalse("Isoceles",t.isTriangle(t));
      }
      @Test
      public void testlsTringle9(){
          Triangle t=new Triangle(3,4,5);
          assertFalse("Right",t.isTriangle(t));
      }

}