1 /* 2 * Copyright (c) 2001, 2015, 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 4420844 4449394 27 * @summary Checks that no events are sent after VMDeath, and test vm.canBeModified 28 * @author Robert Field 29 * 30 * @run build TestScaffold VMConnection TargetListener TargetAdapter 31 * @run compile -g HelloWorld.java 32 * @run build VMDeathLastTest 33 * @run driver VMDeathLastTest 34 */ 35 import com.sun.jdi.*; 36 import com.sun.jdi.event.*; 37 import com.sun.jdi.request.*; 38 39 import java.util.*; 40 41 /********** test program **********/ 42 43 public class VMDeathLastTest extends TestScaffold { 44 Object syncer = new Object(); 45 boolean vmDead = false; 46 boolean disconnected = false; 47 48 VMDeathLastTest (String args[]) { 49 super(args); 50 } 51 52 public static void main(String[] args) throws Exception { 53 new VMDeathLastTest(args).startTests(); 54 } 55 56 /********** event handlers **********/ 57 58 public void methodEntered(MethodEntryEvent event) { 59 if (vmDead) { 60 failure("Failure: Got MethodEntryEvent after VM Dead"); 61 } 62 } 63 64 public void classPrepared(ClassPrepareEvent event) { 65 if (vmDead) { 66 failure("Failure: Got ClassPrepareEvent after VM Dead"); 67 } 68 } 69 70 public void threadDied(ThreadDeathEvent event) { 71 if (vmDead) { 72 failure("Failure: Got ThreadDeathEvent after VM Dead"); 73 } 74 } 75 76 public void vmDied(VMDeathEvent event) { 77 println("Got VMDeathEvent"); 78 vmDead = true; 79 } 80 81 public void vmDisconnected(VMDisconnectEvent event) { 82 println("Got VMDisconnectEvent"); 83 if (!vmDead) { 84 failure("Test failure: didn't get VMDeath"); 85 } 86 disconnected = true; 87 synchronized (syncer) { 88 syncer.notifyAll(); 89 } 90 } 91 92 /** 93 * Turn off default VMDeath handling. 94 */ 95 protected void createDefaultVMDeathRequest() { 96 } 97 98 /********** test core **********/ 99 100 protected void runTests() throws Exception { 101 /* 102 * Get to the top of main() 103 * to determine targetClass and mainThread 104 */ 105 startToMain("HelloWorld"); 106 if (!vm().canBeModified()) { 107 failure("VM says it is read-only"); 108 } 109 EventRequestManager erm = vm().eventRequestManager(); 110 111 /* 112 * Set event requests 113 */ 114 erm.createMethodEntryRequest().enable(); 115 erm.createClassPrepareRequest().enable(); 116 erm.createThreadDeathRequest().enable(); 117 118 /* 119 * resume the target listening for events 120 */ 121 addListener(this); 122 synchronized (syncer) { 123 vm().resume(); 124 while (!disconnected) { 125 try { 126 syncer.wait(); 127 } catch (InterruptedException e) { 128 } 129 } 130 } 131 132 /* 133 * deal with results of test 134 */ 135 if (!testFailed) { 136 println("VMDeathLastTest: passed"); 137 } else { 138 throw new Exception("VMDeathLastTest: failed"); 139 } 140 } 141 }