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 package nsk.jdi.WatchpointEvent._itself_; 25 26 import nsk.share.*; 27 import nsk.share.jpda.*; 28 import nsk.share.jdi.*; 29 30 import com.sun.jdi.*; 31 import com.sun.jdi.event.*; 32 import com.sun.jdi.request.*; 33 34 import java.util.*; 35 import java.io.*; 36 37 /** 38 * The test for the implementation of an object of the type 39 * WatchpointEvent. 40 * 41 * The test checks that results of methods in the interface 42 * <code>com.sun.jdi.WatchpointEvent</code> 43 * complies with its spec. 44 * 45 * The test checks up on the following assertion: 46 * The number of WatchpointEvents received is equal to 47 * the number of WatchpointRequestsset up by a debugger. 48 * Tested are both Access and Modification WatchpointEvents. 49 * 50 * The test works as follows. 51 * - The debugger resumes the debuggee and waits for the BreakpointEvent. 52 * - The debuggee an object foo of CheckedClass and invokes 53 * the methodForCommunication to be suspended and 54 * to inform the debugger with the event. 55 * - Upon getting the BreakpointEvent, the debugger: 56 * - set up enabled WatchpointRequests for all fields, 57 * - resumes the debuggee, and 58 * - waiting for all expected events to receive. 59 */ 60 61 public class wevent001 extends TestDebuggerType1 { 62 main(String argv[])63 public static void main (String argv[]) { 64 System.exit(run(argv, System.out) + Consts.JCK_STATUS_BASE); 65 } 66 run(String argv[], PrintStream out)67 public static int run (String argv[], PrintStream out) { 68 debuggeeName = "nsk.jdi.WatchpointEvent._itself_.wevent001a"; 69 return new wevent001().runThis(argv, out); 70 } 71 72 private String testedClassName = 73 "nsk.jdi.WatchpointEvent._itself_.CheckedClass"; 74 75 volatile int mwEventsCount = 0; 76 volatile int awEventsCount = 0; 77 volatile int requestsCount = 0; 78 testRun()79 protected void testRun() { 80 81 if ( !vm.canWatchFieldModification() ) { 82 display("......vm.canWatchFieldModification == false :: test cancelled"); 83 vm.exit(Consts.JCK_STATUS_BASE); 84 return; 85 } 86 if ( !vm.canWatchFieldAccess() ) { 87 display("......vm.canWatchFieldAccess == false :: test cancelled"); 88 vm.exit(Consts.JCK_STATUS_BASE); 89 return; 90 } 91 92 ReferenceType refType = null; 93 List fields = null; 94 ListIterator li = null; 95 Field field = null; 96 97 ModificationWatchpointRequest mwRequest = null; 98 AccessWatchpointRequest awRequest = null; 99 100 for (int i = 0; ; i++) { 101 102 if (!shouldRunAfterBreakpoint()) { 103 vm.resume(); 104 break; 105 } 106 107 display(":::::: case: # " + i); 108 109 switch (i) { 110 case 0: 111 refType = (ReferenceType) vm.classesByName(testedClassName).get(0); 112 fields = refType.fields(); 113 li = fields.listIterator(); 114 115 display("......setting up WatchpointRequests"); 116 while (li.hasNext()) { 117 field = (Field) li.next(); 118 if (!field.isSynthetic()) { 119 mwRequest = eventRManager.createModificationWatchpointRequest(field); 120 mwRequest.setSuspendPolicy(EventRequest.SUSPEND_NONE); 121 mwRequest.enable(); 122 123 awRequest = eventRManager.createAccessWatchpointRequest(field); 124 awRequest.setSuspendPolicy(EventRequest.SUSPEND_NONE); 125 awRequest.enable(); 126 127 requestsCount++; 128 } 129 } 130 display(" # Requests set up : " + requestsCount); 131 132 eventHandler.addListener( 133 new EventHandler.EventListener() { 134 public boolean eventReceived(Event event) { 135 if (event instanceof ModificationWatchpointEvent) { 136 display("Received ModificationWatchpointEvent "); 137 mwEventsCount++; 138 return true; 139 } else if (event instanceof AccessWatchpointEvent) { 140 display("Received AccessWatchpointEvent "); 141 awEventsCount++; 142 return true; 143 } 144 if (gotAllRequestedEvents()) { 145 synchronized (eventHandler) { 146 eventHandler.notifyAll(); 147 } 148 } 149 return false; 150 } 151 } 152 ); 153 154 display("......waiting for WatchpointEvents"); 155 vm.resume(); 156 157 long timeToFinish = System.currentTimeMillis() + waitTime; 158 long timeLeft = waitTime; 159 while (!gotAllRequestedEvents() && timeLeft > 0) { 160 try { 161 synchronized (eventHandler) { 162 eventHandler.wait(timeLeft); 163 timeLeft = timeToFinish - System.currentTimeMillis(); 164 } 165 } catch (InterruptedException e) { 166 setFailedStatus("InterruptedException was thrown while waiting for the events."); 167 throw new Failure(e); 168 } 169 } 170 171 display("......checking up on numbers"); 172 if ( mwEventsCount != requestsCount ) { 173 setFailedStatus("ERROR: # ModificationWatchpointEvents != # Requests :: " + 174 mwEventsCount + " != " + requestsCount); 175 } 176 if ( awEventsCount != requestsCount ) { 177 setFailedStatus("ERROR: # AccessWatchpointEvents != # Requests :: " + 178 awEventsCount + " != " + requestsCount); 179 } 180 181 display(" # mwEventsCount == " + mwEventsCount); 182 display(" # awEventsCount == " + awEventsCount); 183 184 break; 185 186 default: 187 throw new Failure("** default case 1 **"); 188 } 189 } 190 return; 191 } 192 gotAllRequestedEvents()193 boolean gotAllRequestedEvents() { 194 return (mwEventsCount >= requestsCount && awEventsCount >= requestsCount); 195 } 196 } 197