102 lines
3.7 KiB
Java
102 lines
3.7 KiB
Java
/*
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* Copyright (c) 2017, 2020, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8185003
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* @build ThreadDump
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* @run main MaxDepthForThreadInfoTest
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* @summary verifies the functionality of ThreadMXBean.dumpAllThreads
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* and ThreadMXBean.getThreadInfo with maxDepth argument
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*/
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import java.lang.management.ManagementFactory;
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import java.lang.management.ThreadInfo;
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import java.lang.management.ThreadMXBean;
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public class MaxDepthForThreadInfoTest {
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public static void main(String[] Args) {
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ThreadMXBean tmxb = ManagementFactory.getThreadMXBean();
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long[] threadIds = tmxb.getAllThreadIds();
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ThreadInfo[] tinfos = tmxb.getThreadInfo(threadIds, true, true, 0);
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for (ThreadInfo ti : tinfos) {
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if (ti != null && ti.getStackTrace().length > 0) {
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ThreadDump.printThreadInfo(ti);
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throw new RuntimeException("more than requested " +
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"number of frames dumped");
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}
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}
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tinfos = tmxb.getThreadInfo(threadIds, true, true, 3);
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for (ThreadInfo ti : tinfos) {
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if (ti != null && ti.getStackTrace().length > 3) {
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ThreadDump.printThreadInfo(ti);
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throw new RuntimeException("more than requested " +
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"number of frames dumped");
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}
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}
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try {
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tmxb.getThreadInfo(threadIds, true, true, -1);
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throw new RuntimeException("Didn't throw IllegalArgumentException " +
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"for negative maxdepth value");
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} catch (IllegalArgumentException e) {
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System.out.println("Throwed IllegalArgumentException as expected");
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}
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tinfos = tmxb.dumpAllThreads(true, true, 0);
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for (ThreadInfo ti : tinfos) {
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if (ti.getStackTrace().length > 0) {
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ThreadDump.printThreadInfo(ti);
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throw new RuntimeException("more than requested " +
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"number of frames dumped");
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}
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}
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tinfos = tmxb.dumpAllThreads(true, true, 2);
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for (ThreadInfo ti : tinfos) {
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if (ti.getStackTrace().length > 2) {
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ThreadDump.printThreadInfo(ti);
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throw new RuntimeException("more than requested " +
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"number of frames dumped");
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}
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}
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try {
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tmxb.dumpAllThreads(true, true, -1);
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throw new RuntimeException("Didn't throw IllegalArgumentException " +
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"for negative maxdepth value");
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} catch (IllegalArgumentException e) {
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System.out.println("Throwed IllegalArgumentException as expected");
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}
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System.out.println("Test passed");
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}
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}
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