1 /*

     2  * Copyright (c) 2005, 2014, 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 

    25 /* @test

    26  * @bug 4965057 6313381

    27  * @summary Test jvmti hprof format=b

    28  *

    29  * @compile -g:source HelloWorld.java ../DemoRun.java

    30  * @build HeapBinaryFormatTest

    31  * @run main HeapBinaryFormatTest HelloWorld

    32  */

    33 

    34 public class HeapBinaryFormatTest {

    35 

    36     public static void main(String args[]) throws Exception {

    37         DemoRun hprof;

    38 

    39         /* Run JVMTI hprof agent to get binary format dump */

    40         hprof = new DemoRun("hprof", "heap=dump,format=b,logflags=4,file=heapbinaryformat.txt");

    41         hprof.runit(args[0]);

    42 

    43         /* Make sure patterns in output look ok */

    44         if (hprof.output_contains("ERROR")) {

    45             throw new RuntimeException("Test failed - ERROR seen in output");

    46         }

    47 

    48         /* Try a variation */

    49         String vm_opts[] = new String[1];

    50         vm_opts[0] = "-Xmx2100m";

    51         /* Crashes on small Linux machines: (like fyi)

    52            How can I tell how much real memory is on a machine?

    53            hprof.runit(args[0], vm_opts);

    54         */

    55 

    56         /* Make sure patterns in output look ok */

    57         if (hprof.output_contains("ERROR")) {

    58             throw new RuntimeException("Test failed - ERROR seen in output");

    59         }

    60 

    61         /* Must be a pass. */

    62         System.out.println("Test passed - cleanly terminated");

    63     }

    64 }