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 * 29 * @author Robert Field 30 * 31 * @modules jdk.jdi 32 * @run build TestScaffold VMConnection TargetListener TargetAdapter 33 * @run compile -g HelloWorld.java 34 * @run build VMDeathLastTest 35 * @run driver VMDeathLastTest 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 /********** test program **********/ 44 45 public class VMDeathLastTest extends TestScaffold { 46 Object syncer = new Object(); 47 boolean vmDead = false; 48 boolean disconnected = false; 49 50 VMDeathLastTest (String args[]) { 51 super(args); 52 } 53 54 public static void main(String[] args) throws Exception { 55 new VMDeathLastTest(args).startTests(); 56 } 57 58 /********** event handlers **********/ 59 60 public void methodEntered(MethodEntryEvent event) { 61 if (vmDead) { 62 failure("Failure: Got MethodEntryEvent after VM Dead"); 63 } 64 } 65 66 public void classPrepared(ClassPrepareEvent event) { 67 if (vmDead) { 68 failure("Failure: Got ClassPrepareEvent after VM Dead"); 69 } 70 } 71 72 public void threadDied(ThreadDeathEvent event) { 73 if (vmDead) { 74 failure("Failure: Got ThreadDeathEvent after VM Dead"); 75 } 76 } 77 78 public void vmDied(VMDeathEvent event) { 79 println("Got VMDeathEvent"); 80 vmDead = true; 81 } 82 83 public void vmDisconnected(VMDisconnectEvent event) { 84 println("Got VMDisconnectEvent"); 85 if (!vmDead) { 86 failure("Test failure: didn't get VMDeath"); 87 } 88 disconnected = true; 89 synchronized (syncer) { 90 syncer.notifyAll(); 91 } 92 } 93 94 /** 95 * Turn off default VMDeath handling. 96 */ 97 protected void createDefaultVMDeathRequest() { 98 } 99 100 /********** test core **********/ 101 102 protected void runTests() throws Exception { 103 /* 104 * Get to the top of main() 105 * to determine targetClass and mainThread 106 */ 107 startToMain("HelloWorld"); 108 if (!vm().canBeModified()) { 109 failure("VM says it is read-only"); 110 } 111 EventRequestManager erm = vm().eventRequestManager(); 112 113 /* 114 * Set event requests 115 */ 116 erm.createMethodEntryRequest().enable(); 117 erm.createClassPrepareRequest().enable(); 118 erm.createThreadDeathRequest().enable(); 119 120 /* 121 * resume the target listening for events 122 */ 123 addListener(this); 124 synchronized (syncer) { 125 vm().resume(); 126 while (!disconnected) { 127 try { 128 syncer.wait(); 129 } catch (InterruptedException e) { 130 } 131 } 132 } 133 134 /* 135 * deal with results of test 136 */ 137 if (!testFailed) { 138 println("VMDeathLastTest: passed"); 139 } else { 140 throw new Exception("VMDeathLastTest: failed"); 141 } 142 } 143 }