source: class RBACDecoratorTest {
  
      private static Logger LOG;
  
      @Test
      public void iteratingDownPids() {
  
target:         assertThat(RBACDecorator.iterateDownPids(Arrays.asList("a.b", "c", "d")).toArray(new String[4]),
              equalTo(new String[]{"jmx.acl.a.b.c.d", "jmx.acl.a.b.c", "jmx.acl.a.b", "jmx.acl"}));
      }
  
  }