1 /* 2 * Copyright (c) 2001, 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 4419314 27 * @author Robert Field 28 * 29 * @run build TestScaffold VMConnection TargetListener TargetAdapter 30 * @run compile -g HelloWorld.java 31 * @run build VMDeathRequestTest 32 * @run driver VMDeathRequestTest 33 * 34 * @summary VMDeathRequestTest checks to see that 35 * VMDisconnectedException is never thrown before VMDisconnectEvent. 36 * 37 * Failure mode for this test is throwing VMDisconnectedException 38 * on vm.eventQueue().remove(); 39 * Does not use a scaffold since we don't want that hiding the exception. 40 */ 41 import com.sun.jdi.*; 42 import com.sun.jdi.event.*; 43 import com.sun.jdi.request.*; 44 45 import java.util.*; 46 47 48 /********** test program **********/ 49 50 public class VMDeathRequestTest extends TestScaffold { 51 boolean requestedVMDeathOccurred = false; 52 boolean defaultVMDeathOccurred = false; 53 Object syncer = new Object(); 54 boolean disconnected = false; 55 VMDeathRequest deathRequest; 56 EventSet currentEventSet; 57 58 VMDeathRequestTest (String args[]) { 59 super(args); 60 } 61 62 public static void main(String[] args) throws Exception { 63 new VMDeathRequestTest(args).startTests(); 64 } 65 66 /********** event handlers **********/ 67 68 public void eventSetReceived(EventSet set) { 69 currentEventSet = set; 70 } 71 72 public void vmDied(VMDeathEvent event) { 73 if (event.request() == deathRequest) { 74 requestedVMDeathOccurred = true; 75 println("Got requested VMDeathEvent"); 76 if (currentEventSet.suspendPolicy() != 77 EventRequest.SUSPEND_ALL) { 78 failure("failure: wrong suspend policy"); 79 } 80 } else if (event.request() == null) { 81 defaultVMDeathOccurred = true; 82 println("Got default VMDeathEvent"); 83 } else { 84 failure("failure: Unexpected type of VMDeathEvent occurred"); 85 } 86 } 87 88 public void vmDisconnected(VMDisconnectEvent event) { 89 println("Got VMDisconnectEvent"); 90 disconnected = true; 91 synchronized (syncer) { 92 syncer.notifyAll(); 93 } 94 } 95 96 /** 97 * Turn off default VMDeath handling 98 */ 99 protected void createDefaultVMDeathRequest() { 100 } 101 102 /********** test core **********/ 103 104 protected void runTests() throws Exception { 105 106 startToMain("HelloWorld"); 107 108 deathRequest = eventRequestManager().createVMDeathRequest(); 109 deathRequest.enable(); 110 111 /* 112 * Static tests 113 */ 114 List reqs = eventRequestManager().vmDeathRequests(); 115 if (reqs.size() != 1 || reqs.get(0) != deathRequest) { 116 failure("failure: vmDeathRequests()"); 117 } 118 if (!vm().canRequestVMDeathEvent()) { 119 failure("failure: canRequestVMDeathEvent() returned false"); 120 } 121 122 /* 123 * Event tests 124 */ 125 addListener(this); 126 synchronized (syncer) { 127 vm().resume(); 128 while (!disconnected) { 129 try { 130 syncer.wait(); 131 } catch (InterruptedException e) { 132 } 133 } 134 } 135 136 /* 137 * Failure analysis 138 */ 139 if (!requestedVMDeathOccurred) { 140 failure("failure: didn't get requested VMDeathEvent"); 141 } 142 if (!defaultVMDeathOccurred) { 143 failure("failure: didn't get default VMDeathEvent"); 144 } 145 146 if (!testFailed) { 147 println("VMDeathRequestTest: passed"); 148 } else { 149 throw new Exception("VMDeathRequestTest: failed"); 150 } 151 } 152 }