1、随便写一个无用的类
public class TestJunit {
public void test() {
int i = 0;
int j = 0;
int k = 0;
int l = 0;
i++;
j++;
k--;
l++;
i++;
i++;
i++;
j++;
k--;
i++;
i++;
l++;
i++;
l++;
j++;
l++;
k--;
l++;
i++;
l++;
i++;
l++;
j++;
l++;
k--;
l++;
i++;
l++;
i++;
l++;
j++;
l++;
k--;
l++;
i++;
l++;
i++;
l++;
i++;
l++;
j++;
l++;
k--;
l++;
i++;
l++;
j++;
l++;
k--;
l++;
i++;
l++;
i++;
l++;
i++;
l++;
i++;
l++;
j++;
l++;
i++;
j++;
k--;
l++;
i++;
i++;
i++;
j++;
k--;
i++;
i++;
l++;
i++;
l++;
j++;
l++;
k--;
l++;
i++;
l++;
i++;
l++;
j++;
l++;
k--;
l++;
i++;
l++;
i++;
l++;
j++;
l++;
k--;
l++;
i++;
l++;
i++;
l++;
i++;
l++;
j++;
l++;
k--;
l++;
i++;
l++;
j++;
l++;
k--;
l++;
i++;
l++;
k--;
l++;
i++;
l++;
i++;
l++;
i++;
l++;
j++;
l++;
k--;
l++;
i++;l++;
i++;
l++;
i++;l++;
l++;
j++;
l++;
k--;l++;
l++;i++;
i++;
j++;
l++;
k--;
i++;
l++;
i++;
l++;
i++;
l++;
j++;
l++;
k--;
l++;
i++;
l++;
i++;
l++;
i++;
l++;
i++;
l++;
j++;
l++;
k--;
l++;
i++;
l++;
j++;
l++;
i++;
j++;
k--;
l++;
i++;
i++;
i++;
j++;
k--;
i++;
i++;
l++;
i++;
l++;
j++;
l++;
k--;
l++;
i++;
l++;
i++;
l++;
j++;
l++;
k--;
l++;
i++;
l++;
i++;
l++;
j++;
l++;
k--;
l++;
i++;
l++;
i++;
l++;
i++;
l++;
j++;
l++;
k--;
l++;
i++;
l++;
j++;
l++;
k--;
l++;
i++;
l++;
k--;
l++;
i++;
l++;
i++;
l++;
i++;
l++;
j++;
l++;
k--;
l++;
i++;
i++;
i++;
i++;
j++;
k--;
i++;
i++;
j++;
k--;
i++;
i++;
i++;
i++;
j++;
k--;
i++;
i++;
i++;
j++;
k--;
i++;
i++;
j++;
k--;
i++;
i++;
j++;
k--;
i++;
i++;
i++;
j++;
k--;
i++;
j++;
i++;
j++;
k--;
l++;
i++;
i++;
i++;
j++;
k--;
i++;
i++;
l++;
i++;
l++;
j++;
l++;
k--;
l++;
i++;
l++;
i++;
l++;
j++;
l++;
k--;
l++;
i++;
l++;
i++;
l++;
j++;
l++;
k--;
l++;
i++;
l++;
i++;
l++;
i++;
l++;
j++;
l++;
k--;
l++;
i++;
l++;
j++;
l++;
k--;
l++;
i++;
l++;
k--;
i++;
i++;
i++;
i++;
j++;
k--;
i++;
i++;
i++;
i++;
j++;
k--;
i++;
i++;
i++;
j++;
k--;
i++;
i++;
i++;
i++;
j++;
k--;
i++;
i++;
j++;
k--;
i++;
i++;
i++;
i++;
i++;
j++;
k--;
i++;
i++;
i++;
i++;
j++;
k--;
i++;
i++;
i++;
i++;
i++;
i++