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