question: public void testResolveReachableOneAddress ( ) throws Exception { InetAddress addr = InetAddress . getByAddress ( new byte [ ] { 127 , 0 , 0 , 1 } ) ; List < InetAddress > filtered = IgniteUtils . filterReachable ( Collections . singletonList ( addr ) ) ; assertEquals ( 1 , filtered . size ( ) ) ; assertEquals ( addr , filtered . get ( 0 ) ) ; }
target:  Simple test of address list filtering.