ClassRuleJUnit4Sample.java

package test.junit4;

import org.junit.ClassRule;
import org.junit.Test;
import org.junit.rules.ExternalResource;

public class ClassRuleJUnit4Sample {

    @ClassRule
    public static ExternalResource resource = new ExternalResource() {
        @Override
        protected void before() throws Throwable {
            throw new IllegalArgumentException("before");
        }

        @Override
        protected void after() {
            throw new IllegalArgumentException("after");
        }
    };

    @Test
    public void myTest() {
        System.out.println("yay!");
    }
}