1 /*
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   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 /**
  25  *  @test
  26  *  @bug 4453310
  27  *  @summary Test the deletion of event requests that are expired
  28  *     by virtue of addCountFilter.
  29  *
  30  *  @author Robert Field
  31  *
  32  *  @modules jdk.jdi
  33  *  @run build TestScaffold VMConnection TargetListener TargetAdapter
  34  *  @run compile -g ExpiredRequestDeletionTest.java
  35  *  @run driver ExpiredRequestDeletionTest
  36  */
  37 import com.sun.jdi.*;
  38 import com.sun.jdi.event.*;
  39 import com.sun.jdi.request.*;
  40 
  41 import java.util.*;
  42 
  43     /********** target program **********/
  44 
  45 class ExpiredRequestDeletionTarg {
  46     int foo = 9;
  47 
  48     public static void main(String[] args){
  49         System.out.println("Why, hello there...");
  50         (new ExpiredRequestDeletionTarg()).bar();
  51     }
  52 
  53     void bar() {
  54         ++foo;
  55     }
  56 }
  57 
  58     /********** test program **********/
  59 
  60 public class ExpiredRequestDeletionTest extends TestScaffold {
  61     EventRequestManager erm;
  62     ReferenceType targetClass;
  63     ThreadReference mainThread;
  64     Throwable throwable = null;
  65 
  66     ExpiredRequestDeletionTest (String args[]) {
  67         super(args);
  68     }
  69 
  70     public static void main(String[] args)      throws Exception {
  71         new ExpiredRequestDeletionTest(args).startTests();
  72     }
  73 
  74     /********** event handlers **********/
  75 
  76     public void breakpointReached(BreakpointEvent event) {
  77         try {
  78             EventRequest req = event.request();
  79             if (req != null) {
  80                 println("Deleting BreakpointRequest");
  81                 erm.deleteEventRequest(req);
  82             } else {
  83                 println("Got BreakpointEvent with null request");
  84             }
  85         } catch (Throwable exc) {
  86             throwable = exc;
  87             failure("Deleting BreakpointRequest threw - " + exc);
  88         }
  89     }
  90 
  91     public void stepCompleted(StepEvent event) {
  92         try {
  93             EventRequest req = event.request();
  94             if (req != null) {
  95                 println("Deleting StepRequest");
  96                 erm.deleteEventRequest(req);
  97             } else {
  98                 println("Got StepEvent with null request");
  99             }
 100         } catch (Throwable exc) {
 101             throwable = exc;
 102             failure("Deleting StepRequest threw - " + exc);
 103         }
 104     }
 105 
 106     /********** test core **********/
 107 
 108     protected void runTests() throws Exception {
 109         /*
 110          * Get to the top of main()
 111          * to determine targetClass and mainThread
 112          */
 113         BreakpointEvent bpe = startToMain("ExpiredRequestDeletionTarg");
 114         targetClass = bpe.location().declaringType();
 115         mainThread = bpe.thread();
 116         erm = vm().eventRequestManager();
 117 
 118         List meths = targetClass.methodsByName("bar");
 119         if (meths.size() != 1) {
 120             throw new Exception("test error: should be one bar()");
 121         }
 122         Method barMethod = (Method)meths.get(0);
 123 
 124         /*
 125          * Set event requests
 126          */
 127         StepRequest sr = erm.createStepRequest(mainThread,
 128                                                     StepRequest.STEP_LINE,
 129                                                     StepRequest.STEP_OVER);
 130         sr.addCountFilter(1);
 131         sr.enable();
 132 
 133         BreakpointRequest bpr =
 134             erm.createBreakpointRequest(barMethod.location());
 135         bpr.addCountFilter(1);
 136         bpr.enable();
 137 
 138         /*
 139          * resume the target listening for events
 140          */
 141         listenUntilVMDisconnect();
 142 
 143         /*
 144          * deal with results of test
 145          * if anything has called failure("foo") testFailed will be true
 146          */
 147         if (!testFailed) {
 148             println("ExpiredRequestDeletionTest: passed");
 149         } else {
 150             throw new Exception("ExpiredRequestDeletionTest: failed", throwable);
 151         }
 152     }
 153 }