1/* 2 * Copyright (c) 2006, 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24import static jdk.testlibrary.Asserts.assertTrue; 25import static jdk.testlibrary.Asserts.fail; 26 27import java.io.File; 28import java.lang.management.*; 29import java.util.List; 30 31import jdk.test.lib.hprof.HprofParser; 32import jdk.testlibrary.ProcessTools; 33 34import com.sun.management.HotSpotDiagnosticMXBean; 35 36/* 37 * @test 38 * @bug 6455258 39 * @summary Sanity test for com.sun.management.HotSpotDiagnosticMXBean.dumpHeap method 40 * @library /lib/testlibrary 41 * @library /test/lib 42 * @build jdk.testlibrary.* 43 * @build jdk.test.lib.hprof.* 44 * @build jdk.test.lib.hprof.model.* 45 * @build jdk.test.lib.hprof.parser.* 46 * @build jdk.test.lib.hprof.util.* 47 * @run main DumpHeap 48 */ 49public class DumpHeap { 50 51 public static void main(String[] args) throws Exception { 52 List<HotSpotDiagnosticMXBean> list = ManagementFactory.getPlatformMXBeans(HotSpotDiagnosticMXBean.class); 53 File dump = new File(ProcessTools.getProcessId() + ".hprof"); 54 if (dump.exists()) { 55 dump.delete(); 56 } 57 System.out.println("Dumping to file: " + dump.getAbsolutePath()); 58 list.get(0).dumpHeap(dump.getAbsolutePath(), true); 59 60 verifyDumpFile(dump); 61 62 dump.delete(); 63 } 64 65 private static void verifyDumpFile(File dump) { 66 assertTrue(dump.exists() && dump.isFile(), "Could not create dump file"); 67 try { 68 HprofParser.parse(dump); 69 } catch (Exception e) { 70 e.printStackTrace(); 71 fail("Could not parse dump file"); 72 } 73 } 74 75} 76