1 /*

     2  * Copyright (c) 2001, 2018, 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 //    THIS TEST IS LINE NUMBER SENSITIVE

    25 

    26 package nsk.jdwp.Event.FIELD_ACCESS;

    27 

    28 import nsk.share.*;

    29 import nsk.share.jpda.*;

    30 import nsk.share.jdwp.*;

    31 

    32 import java.io.*;

    33 

    34 /**

    35  * This class represents debuggee part in the test.

    36  */

    37 public class fldaccess001a {

    38 

    39     static final int BREAKPOINT_LINE = 114;

    40     static final int FIELD_ACCESS_LINE = 125;

    41 

    42     static ArgumentHandler argumentHandler = null;

    43     static Log log = null;

    44 

    45     public static void main(String args[]) {

    46         fldaccess001a _fldaccess001a = new fldaccess001a();

    47         System.exit(fldaccess001.JCK_STATUS_BASE + _fldaccess001a.runIt(args, System.err));

    48     }

    49 

    50     public int runIt(String args[], PrintStream out) {

    51         //make log for debugee messages

    52         argumentHandler = new ArgumentHandler(args);

    53         log = new Log(out, argumentHandler);

    54 

    55         // create tested thread and object

    56         log.display("Creating object of the tested class");

    57         TestedObjectClass.object = new TestedObjectClass();

    58         log.display("  ... object created");

    59 

    60         log.display("Creating tested thread");

    61         TestedThreadClass thread = new TestedThreadClass(fldaccess001.TESTED_THREAD_NAME);

    62         log.display("  ... thread created");

    63 

    64         // start tested thread

    65         log.display("Starting tested thread");

    66         thread.start();

    67         log.display("  ... thread started");

    68 

    69         // wait for thread finished

    70         try {

    71             log.display("Waiting for tested thread finished");

    72             thread.join();

    73             log.display("  ... thread finished");

    74         } catch (InterruptedException e) {

    75             log.complain("Interruption while waiting for tested thread finished");

    76             return fldaccess001.FAILED;

    77         }

    78 

    79         // exit debugee

    80         log.display("Debugee PASSED");

    81         return fldaccess001.PASSED;

    82     }

    83 

    84     // tested thread class

    85     public static class TestedThreadClass extends Thread {

    86 

    87         public TestedThreadClass(String name) {

    88             super(name);

    89         }

    90 

    91         public void run() {

    92             log.display("Tested thread: started");

    93 

    94             // invoke method of tested object class

    95             TestedObjectClass.run();

    96 

    97             log.display("Tested thread: finished");

    98         }

    99     }

   100 

   101     // tested object class

   102     public static class TestedObjectClass {

   103 

   104         // static field with object been accessed

   105         public static volatile TestedObjectClass object = null;

   106 

   107         // static field been accessed

   108         public static int value = 0;

   109 

   110         // reach breakpoint and then touch field

   111         public static void run() {

   112             log.display("Breakpoint line reached");

   113             // next line is location of BREAKPOINT event

   114             int foo = 0; // BREAKPOINT_LINE

   115             log.display("Breakpoint line passed");

   116 

   117             // invoke method which accesses the field

   118             methodForAccess();

   119         }

   120 

   121         // access the tested field

   122         public static void methodForAccess() {

   123             log.display("Before tested field accessed");

   124             // next line is location of FIELD_ACCESS event

   125             int foo = value; // FIELD_ACCESS_LINE

   126             log.display("After tested field accessed");

   127         }

   128     }

   129 

   130 }