0N/A/*
2362N/A * Copyright (c) 2003, 2004, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
0N/A * published by the Free Software Foundation.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
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0N/A */
0N/A
0N/A/*
0N/A * @test
0N/A * @bug 4929401
0N/A * @summary ThreadMXBean.getThreadCpuTime() throws IllegalArgumentException
0N/A * if id <= 0 and returns -1 if the thread doesn't exist.
0N/A * @author Mandy Chung
0N/A *
0N/A * @run main InvalidThreadID
0N/A */
0N/A
0N/Aimport java.lang.management.ThreadMXBean;
0N/Aimport java.lang.management.ManagementFactory;
0N/A
0N/Apublic class InvalidThreadID {
0N/A
0N/A public static void main(String argv[]) {
0N/A
0N/A ThreadMXBean mbean = ManagementFactory.getThreadMXBean();
0N/A int cnt = 0;
0N/A long [] idArr = {0, -1, -2, (Long.MIN_VALUE + 1), Long.MIN_VALUE};
0N/A
0N/A if (mbean.isThreadCpuTimeSupported()) {
0N/A for (int i = 0; i < idArr.length; i++) {
0N/A try {
0N/A mbean.getThreadCpuTime(idArr[i]);
0N/A System.out.println("Test failed. IllegalArgumentException" +
0N/A " expected for ID = " + idArr[i]);
0N/A } catch (IllegalArgumentException iae) {
0N/A cnt++;
0N/A }
0N/A }
0N/A if (cnt != idArr.length) {
0N/A throw new RuntimeException("Unexpected number of " +
0N/A "IllegalArgumentException = " + cnt +
0N/A " expected = " + idArr.length);
0N/A }
0N/A
0N/A // CPU time for a non-existence thread
0N/A long time = mbean.getThreadCpuTime(999999);
0N/A if (time < 0 && time != -1) {
0N/A throw new RuntimeException("Cpu time for thread 999999" +
0N/A " is invalid = " + time + " expected to be -1.");
0N/A }
0N/A }
0N/A System.out.println("Test passed.");
0N/A }
0N/A}