1 /*
   2  * Copyright (c) 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
  16  * version
  17  * 2 along with this work; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.
  23  */
  24 /*
  25  * @test
  26  * @bug 8059510
  27  * @summary Test jcmd VM.symboltable and VM.stringtable options
  28  * @library /testlibrary
  29  * @run main/othervm -XX:+UnlockDiagnosticVMOptions DumpSymbolAndStringTable 
  30  */
  31 
  32 import com.oracle.java.testlibrary.*;
  33 
  34 public class DumpSymbolAndStringTable {
  35     public static void main(String[] args) throws Exception {
  36         // Grab my own PID
  37         String pid = Integer.toString(ProcessTools.getProcessId());
  38 
  39         ProcessBuilder pb = new ProcessBuilder();
  40         pb.command(new String[] {JDKToolFinder.getJDKTool("jcmd"), pid, "VM.symboltable", "-verbose"});
  41         OutputAnalyzer output = new OutputAnalyzer(pb.start());
  42         try {
  43             output.shouldContain("24 2: DumpSymbolAndStringTable\n");
  44         } catch (RuntimeException e) {
  45             output.shouldContain("Unknown diagnostic command"); 
  46         }
  47 
  48         pb.command(new String[] {JDKToolFinder.getJDKTool("jcmd"), pid, "VM.stringtable", "-verbose"});
  49         output = new OutputAnalyzer(pb.start());
  50         try {
  51             output.shouldContain("16: java.lang.String\n");
  52         } catch (RuntimeException e) {
  53             output.shouldContain("Unknown diagnostic command");
  54         }
  55     }
  56 }