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 public class OptionTest extends Object {
  36     private Process subprocess;
  37     private int subprocessStatus;
  38     private static final String CR = System.getProperty("line.separator");
  39     private static final int BUFFERSIZE = 4096;
  40     public static final int RETSTAT = 0;
  41     public static final int STDOUT = 1;
  42     public static final int STDERR = 2;
  43 
  44     /**
  45      * Run an arbitrary command and return the results to caller.
  46      *
  47      * @param an array of String containing the command
  48      *        to run and any flags or parameters to the command.
  49      *
  50      * @return completion status, stderr and stdout as array of String
  51      *  Look for:
  52      *    return status in result[OptionTest.RETSTAT]
  53      *    standard out in result[OptionTest.STDOUT]
  54      *    standard err in result[OptionTest.STDERR]
  55      *
  56      */
  57     public String[] run (String[] cmdStrings) {
  58         StringBuffer stdoutBuffer = new StringBuffer();
  59         StringBuffer stderrBuffer = new StringBuffer();
  60 
  61         System.out.print(CR + "runCommand method about to execute: ");
  62         for (int iNdx = 0; iNdx < cmdStrings.length; iNdx++) {
  63             System.out.print(" ");
  64             System.out.print(cmdStrings[iNdx]);
  65         }
  66         System.out.println(CR);
  67         try {
  68             Process process = Runtime.getRuntime().exec(cmdStrings);
  69             /*
  70              * Gather up the output of the subprocess using non-blocking
  71              * reads so we can get both the subprocess stdout and the
  72              * subprocess stderr without overfilling any buffers.
  73              */
  74             java.io.BufferedInputStream is =
  75                 new java.io.BufferedInputStream(process.getInputStream());
  76             int isLen = 0;
  77             byte[] isBuf = new byte[BUFFERSIZE];
  78 
  79             java.io.BufferedInputStream es =
  80                 new java.io.BufferedInputStream(process.getErrorStream());
  81             int esLen = 0;
  82             byte[] esBuf = new byte[BUFFERSIZE];
  83 
  84             do {
  85                 isLen = is.read(isBuf);
  86                 if (isLen > 0) {
  87                     stdoutBuffer.append(
  88                                         new String(isBuf, 0, isLen));
  89                 }
  90                 esLen = es.read(esBuf);
  91                 if (esLen > 0) {
  92                     stderrBuffer.append(
  93                                         new String(esBuf, 0, esLen));
  94                 }
  95             } while ((isLen > -1) || (esLen > -1));
  96             try {
  97                 process.waitFor();
  98                 subprocessStatus = process.exitValue();
  99                 process = null;
 100             } catch(java.lang.InterruptedException e) {
 101                 System.err.println("InterruptedException: " + e);
 102             }
 103 
 104         } catch(java.io.IOException ex) {
 105             System.err.println("IO error: " + ex);
 106         }
 107         String[] result =
 108             new String[] {
 109                 Integer.toString(subprocessStatus),
 110                 stdoutBuffer.toString(),
 111                 stderrBuffer.toString()
 112         };
 113 
 114         System.out.println(CR + "--- Return code was: " +
 115                            CR + result[RETSTAT]);
 116         System.out.println(CR + "--- Return stdout was: " +
 117                            CR + result[STDOUT]);
 118         System.out.println(CR + "--- Return stderr was: " +
 119                            CR + result[STDERR]);
 120 
 121         return result;
 122     }
 123 
 124     public static void main(String[] args) throws Exception {
 125         String javaExe = System.getProperty("java.home") +
 126             java.io.File.separator + "bin" +
 127             java.io.File.separator + "java";
 128         String targetClass = "HelloWorld";
 129         String baseOptions = "transport=dt_socket" +
 130                               ",address=8000" +
 131                               ",server=y" +
 132                               ",suspend=n";
 133 
 134         /* Option combinations to try (combos faster, fewer exec's) */
 135         String options[] =  {
 136                 "timeout=0,mutf8=y,quiet=y,stdalloc=y,strict=n",
 137                 "timeout=200000,mutf8=n,quiet=n,stdalloc=n,strict=y"
 138                 };
 139 
 140         for ( String option : options) {
 141             String cmds [] = {javaExe,
 142                               "-agentlib:jdwp=" + baseOptions + "," + option,
 143                               targetClass};
 144             OptionTest myTest = new OptionTest();
 145             String results [] = myTest.run(VMConnection.insertDebuggeeVMOptions(cmds));
 146             if (!(results[RETSTAT].equals("0")) ||
 147                 (results[STDERR].startsWith("ERROR:"))) {
 148                 throw new Exception("Test failed: jdwp doesn't like " + cmds[1]);
 149             }
 150         }
 151         System.out.println("Test passed: status = 0");
 152     }
 153 }