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 
  24 import static jdk.testlibrary.Asserts.assertTrue;
  25 import static jdk.testlibrary.Asserts.fail;
  26 
  27 import java.io.File;
  28 import java.lang.management.*;
  29 import java.util.List;
  30 
  31 import jdk.test.lib.hprof.HprofParser;
  32 import jdk.testlibrary.ProcessTools;
  33 
  34 import 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  * @run main DumpHeap
  44  */
  45 public class DumpHeap {
  46 
  47     public static void main(String[] args) throws Exception {
  48         List<HotSpotDiagnosticMXBean> list = ManagementFactory.getPlatformMXBeans(HotSpotDiagnosticMXBean.class);
  49         File dump = new File(ProcessTools.getProcessId() + ".hprof");
  50         if (dump.exists()) {
  51             dump.delete();
  52         }
  53         System.out.println("Dumping to file: " + dump.getAbsolutePath());
  54         list.get(0).dumpHeap(dump.getAbsolutePath(), true);
  55 
  56         verifyDumpFile(dump);
  57 
  58         dump.delete();
  59     }
  60 
  61     private static void verifyDumpFile(File dump) {
  62         assertTrue(dump.exists() && dump.isFile(), "Could not create dump file");
  63         try {
  64             HprofParser.parse(dump);
  65         } catch (Exception e) {
  66             e.printStackTrace();
  67             fail("Could not parse dump file");
  68         }
  69     }
  70 
  71 }