1 /* 2 * Copyright (c) 2001, 2002, 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 /** 25 * @test 26 * @bug 4408582 27 * @summary Test fix for: JDWP: WatchpointEvents outside of class filtered out 28 * 29 * @author Tim Bell 30 * 31 * @run build TestScaffold VMConnection TargetListener TargetAdapter 32 * @run compile -g FieldWatchpoints.java 33 * @run driver FieldWatchpoints 34 */ 35 import com.sun.jdi.*; 36 import com.sun.jdi.event.*; 37 import java.util.*; 38 39 class A extends Object { 40 public static int aField = 0; 41 } 42 43 class B extends A { 44 } 45 46 class FieldWatchpointsDebugee { 47 public void update (){ 48 /* test direct modify access by other class */ 49 A.aField = 7; 50 B.aField = 11; 51 } 52 public void access (){ 53 /* test direct read access by other class */ 54 System.out.print("aField is: "); 55 System.out.println(A.aField); 56 } 57 public static void main(String[] args){ 58 A testA = new A(); 59 B testB = new B(); 60 FieldWatchpointsDebugee my = 61 new FieldWatchpointsDebugee(); 62 my.update(); 63 my.access(); 64 } 65 } 66 67 public class FieldWatchpoints extends TestScaffold { 68 boolean fieldModifyReported = false; 69 boolean fieldAccessReported = false; 70 71 FieldWatchpoints (String args[]) { 72 super(args); 73 } 74 75 public static void main(String[] args) throws Exception { 76 new FieldWatchpoints (args).startTests(); 77 } 78 79 protected void runTests() throws Exception { 80 startTo("FieldWatchpointsDebugee", "update", "()V"); 81 82 try { 83 /* 84 * Set a modification watch on aField 85 */ 86 ReferenceType rt = findReferenceType("A"); 87 String fieldName = "aField"; 88 Field field = rt.fieldByName(fieldName); 89 if (field == null) { 90 throw new Exception ("Field name not found: " + fieldName); 91 } 92 com.sun.jdi.request.EventRequest req = 93 eventRequestManager().createModificationWatchpointRequest(field); 94 req.setSuspendPolicy(com.sun.jdi.request.EventRequest.SUSPEND_ALL); 95 req.enable(); 96 97 /* 98 * Set an access watch on aField 99 */ 100 req = 101 eventRequestManager().createAccessWatchpointRequest(field); 102 req.setSuspendPolicy(com.sun.jdi.request.EventRequest.SUSPEND_ALL); 103 req.enable(); 104 105 addListener (new TargetAdapter() { 106 EventSet lastSet = null; 107 108 public void eventSetReceived(EventSet set) { 109 lastSet = set; 110 } 111 public void fieldModified(ModificationWatchpointEvent event) { 112 System.out.println("Field modified: " + event); 113 fieldModifyReported = true; 114 lastSet.resume(); 115 } 116 public void fieldAccessed(AccessWatchpointEvent event) { 117 System.out.println("Field accessed: " + event); 118 fieldAccessReported = true; 119 lastSet.resume(); 120 } 121 }); 122 123 vm().resume(); 124 125 } catch (Exception ex){ 126 ex.printStackTrace(); 127 testFailed = true; 128 } finally { 129 // Allow application to complete and shut down 130 resumeToVMDisconnect(); 131 } 132 if (!testFailed && fieldModifyReported && fieldAccessReported) { 133 System.out.println("FieldWatchpoints: passed"); 134 } else { 135 throw new Exception("FieldWatchpoints: failed"); 136 } 137 } 138 }