1 /*
   2  * Copyright 2004-2006 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  20  * CA 95054 USA or visit www.sun.com if you need additional information or
  21  * have any questions.
  22  */
  23 
  24 /*
  25  *   @test       OptionTest
  26  *   @bug        5095072
  27  *   @summary    Test for misc jdwp options, just that the option is parsed
  28  *   @author     Kelly O'Hair (copied from Tim Bell's NoLaunchOptionTest)
  29  *
  30  *  @run compile -g OptionTest.java
  31  *  @run compile -g HelloWorld.java
  32  *  @run compile -g VMConnection.java
  33  *  @run main/othervm OptionTest
  34  */
  35 
  36 import java.net.ServerSocket;
  37 
  38 public class OptionTest extends Object {
  39     private Process subprocess;
  40     private int subprocessStatus;
  41     private static final String CR = System.getProperty("line.separator");
  42     private static final int BUFFERSIZE = 4096;
  43     public static final int RETSTAT = 0;
  44     public static final int STDOUT = 1;
  45     public static final int STDERR = 2;
  46 
  47     /**
  48      * Run an arbitrary command and return the results to caller.
  49      *
  50      * @param an array of String containing the command
  51      *        to run and any flags or parameters to the command.
  52      *
  53      * @return completion status, stderr and stdout as array of String
  54      *  Look for:
  55      *    return status in result[OptionTest.RETSTAT]
  56      *    standard out in result[OptionTest.STDOUT]
  57      *    standard err in result[OptionTest.STDERR]
  58      *
  59      */
  60     public String[] run (String[] cmdStrings) {
  61         StringBuffer stdoutBuffer = new StringBuffer();
  62         StringBuffer stderrBuffer = new StringBuffer();
  63 
  64         System.out.print(CR + "runCommand method about to execute: ");
  65         for (int iNdx = 0; iNdx < cmdStrings.length; iNdx++) {
  66             System.out.print(" ");
  67             System.out.print(cmdStrings[iNdx]);
  68         }
  69         System.out.println(CR);
  70         try {
  71             Process process = Runtime.getRuntime().exec(cmdStrings);
  72             /*
  73              * Gather up the output of the subprocess using non-blocking
  74              * reads so we can get both the subprocess stdout and the
  75              * subprocess stderr without overfilling any buffers.
  76              */
  77             java.io.BufferedInputStream is =
  78                 new java.io.BufferedInputStream(process.getInputStream());
  79             int isLen = 0;
  80             byte[] isBuf = new byte[BUFFERSIZE];
  81 
  82             java.io.BufferedInputStream es =
  83                 new java.io.BufferedInputStream(process.getErrorStream());
  84             int esLen = 0;
  85             byte[] esBuf = new byte[BUFFERSIZE];
  86 
  87             do {
  88                 isLen = is.read(isBuf);
  89                 if (isLen > 0) {
  90                     stdoutBuffer.append(
  91                                         new String(isBuf, 0, isLen));
  92                 }
  93                 esLen = es.read(esBuf);
  94                 if (esLen > 0) {
  95                     stderrBuffer.append(
  96                                         new String(esBuf, 0, esLen));
  97                 }
  98             } while ((isLen > -1) || (esLen > -1));
  99             try {
 100                 process.waitFor();
 101                 subprocessStatus = process.exitValue();
 102                 process = null;
 103             } catch(java.lang.InterruptedException e) {
 104                 System.err.println("InterruptedException: " + e);
 105             }
 106 
 107         } catch(java.io.IOException ex) {
 108             System.err.println("IO error: " + ex);
 109         }
 110         String[] result =
 111             new String[] {
 112                 Integer.toString(subprocessStatus),
 113                 stdoutBuffer.toString(),
 114                 stderrBuffer.toString()
 115         };
 116 
 117         System.out.println(CR + "--- Return code was: " +
 118                            CR + result[RETSTAT]);
 119         System.out.println(CR + "--- Return stdout was: " +
 120                            CR + result[STDOUT]);
 121         System.out.println(CR + "--- Return stderr was: " +
 122                            CR + result[STDERR]);
 123 
 124         return result;
 125     }
 126 
 127     public static void main(String[] args) throws Exception {
 128         // find a free port
 129         ServerSocket ss = new ServerSocket(0);
 130         int port = ss.getLocalPort();
 131         ss.close();
 132         String address = String.valueOf(port);
 133 
 134         String javaExe = System.getProperty("java.home") +
 135             java.io.File.separator + "bin" +
 136             java.io.File.separator + "java";
 137         String targetClass = "HelloWorld";
 138         String baseOptions = "transport=dt_socket" +
 139                               ",address=" + address +
 140                               ",server=y" +
 141                               ",suspend=n";
 142 
 143         /* Option combinations to try (combos faster, fewer exec's) */
 144         String options[] =  {
 145                 "timeout=0,mutf8=y,quiet=y,stdalloc=y,strict=n",
 146                 "timeout=200000,mutf8=n,quiet=n,stdalloc=n,strict=y"
 147                 };
 148 
 149         for ( String option : options) {
 150             String cmds [] = {javaExe,
 151                               "-agentlib:jdwp=" + baseOptions + "," + option,
 152                               targetClass};
 153             OptionTest myTest = new OptionTest();
 154             String results [] = myTest.run(VMConnection.insertDebuggeeVMOptions(cmds));
 155             if (!(results[RETSTAT].equals("0")) ||
 156                 (results[STDERR].startsWith("ERROR:"))) {
 157                 throw new Exception("Test failed: jdwp doesn't like " + cmds[1]);
 158             }
 159         }
 160         System.out.println("Test passed: status = 0");
 161     }
 162 }