Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved. DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. This code is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 2 only, as published by the Free Software Foundation. This code is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License version 2 for more details (a copy is included in the LICENSE file that accompanied this code). You should have received a copy of the GNU General Public License version 2 along with this work; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA or visit www.oracle.com if you need additional information or have any questions. DESCRIPTION Tests getThreadCpuTime(long[] ids) and getThreadUserTime(long[] ids) functions of com.sun.management.ThreadMXBean - any method called with null argument should throw NullPointerException for direct and proxy MBean delivery methods and RuntimeException for server MBean delivery method (MBeanServer) - any method called with zero (0 for long, { 0 } for long[]) argument should throw IllegalArgumentException for direct and proxy MBean delivery methods and RuntimeException for server MBean delivery method (MBeanServer) Test is executed in following configurations: ThreadMXBean is accessed - directly threw ManagementFactory.getThreadMXBean() - threw default MBeanServer - threw custom MBeanServer - threw default Proxy - threw custom Proxy COMMENTS