1 /*
   2  * Copyright 2002-2006 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       NoLaunchOptionTest.java
  26  *   @bug        4554734 4724714
  27  *   @summary    Test for -Xrunjdwp:[onthrow,onuncaught] suboptions require launch suboption
  28  *   @author     Tim Bell
  29  *
  30  *  @run compile -g NoLaunchOptionTest.java
  31  *  @build VMConnection
  32  *  @run main/othervm NoLaunchOptionTest
  33  */
  34 public class NoLaunchOptionTest extends Object {
  35     private Process subprocess;
  36     private int subprocessStatus;
  37     private static final String CR = System.getProperty("line.separator");
  38     private static final int BUFFERSIZE = 4096;
  39     public static final int RETSTAT = 0;
  40     public static final int STDOUT = 1;
  41     public static final int STDERR = 2;
  42 
  43     /**
  44      * Run an arbitrary command and return the results to caller.
  45      *
  46      * @param an array of String containing the command
  47      *        to run and any flags or parameters to the command.
  48      *
  49      * @return completion status, stderr and stdout as array of String
  50      *  Look for:
  51      *    return status in result[NoLaunchOptionTest.RETSTAT]
  52      *    standard out in result[NoLaunchOptionTest.STDOUT]
  53      *    standard err in result[NoLaunchOptionTest.STDERR]
  54      *
  55      */
  56     public String[] run (String[] cmdStrings) {
  57         StringBuffer stdoutBuffer = new StringBuffer();
  58         StringBuffer stderrBuffer = new StringBuffer();
  59 
  60         System.out.print(CR + "runCommand method about to execute: ");
  61         for (int iNdx = 0; iNdx < cmdStrings.length; iNdx++) {
  62             System.out.print(" ");
  63             System.out.print(cmdStrings[iNdx]);
  64         }
  65         System.out.println(CR);
  66         try {
  67             Process process = Runtime.getRuntime().exec(cmdStrings);
  68             /*
  69              * Gather up the output of the subprocess using non-blocking
  70              * reads so we can get both the subprocess stdout and the
  71              * subprocess stderr without overfilling any buffers.
  72              */
  73             java.io.BufferedInputStream is =
  74                 new java.io.BufferedInputStream(process.getInputStream());
  75             int isLen = 0;
  76             byte[] isBuf = new byte[BUFFERSIZE];
  77 
  78             java.io.BufferedInputStream es =
  79                 new java.io.BufferedInputStream(process.getErrorStream());
  80             int esLen = 0;
  81             byte[] esBuf = new byte[BUFFERSIZE];
  82 
  83             do {
  84                 isLen = is.read(isBuf);
  85                 if (isLen > 0) {
  86                     stdoutBuffer.append(
  87                                         new String(isBuf, 0, isLen));
  88                 }
  89                 esLen = es.read(esBuf);
  90                 if (esLen > 0) {
  91                     stderrBuffer.append(
  92                                         new String(esBuf, 0, esLen));
  93                 }
  94             } while ((isLen > -1) || (esLen > -1));
  95             try {
  96                 process.waitFor();
  97                 subprocessStatus = process.exitValue();
  98                 process = null;
  99             } catch(java.lang.InterruptedException e) {
 100                 System.err.println("InterruptedException: " + e);
 101             }
 102 
 103         } catch(java.io.IOException ex) {
 104             System.err.println("IO error: " + ex);
 105         }
 106         String[] result =
 107             new String[] {
 108                 Integer.toString(subprocessStatus),
 109                 stdoutBuffer.toString(),
 110                 stderrBuffer.toString()
 111         };
 112 
 113         System.out.println(CR + "--- Return code was: " +
 114                            CR + result[RETSTAT]);
 115         System.out.println(CR + "--- Return stdout was: " +
 116                            CR + result[STDOUT]);
 117         System.out.println(CR + "--- Return stderr was: " +
 118                            CR + result[STDERR]);
 119 
 120         return result;
 121     }
 122 
 123     public static void main(String[] args) throws Exception {
 124         String javaExe = System.getProperty("java.home") +
 125             java.io.File.separator + "bin" +
 126             java.io.File.separator + "java";
 127         String targetClass = "NotAClass";
 128         String cmds [] = {javaExe,
 129                           "-agentlib:jdwp=transport=dt_socket,address=8000," +
 130                           "onthrow=java.lang.ClassNotFoundException,suspend=n",
 131                           targetClass};
 132         NoLaunchOptionTest myTest = new NoLaunchOptionTest();
 133         String results [] = myTest.run(VMConnection.insertDebuggeeVMOptions(cmds));
 134         if ((results[RETSTAT].equals("1")) &&
 135             (results[STDERR].startsWith("ERROR:"))) {
 136             System.out.println("Test passed: status = 1 with warning messages " +
 137                                "is expected and normal for this test");
 138         } else {
 139             throw new Exception("Test failed: unspecified test failure");
 140         }
 141     }
 142 
 143 }