J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2006 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 21 | * have any questions. |
| 22 | */ |
| 23 | |
| 24 | /** |
| 25 | * @test |
| 26 | * @bug 6485605 |
| 27 | * @summary com.sun.jdi.InternalException: Inconsistent suspend policy in internal event handler |
| 28 | * |
| 29 | * @author jjh |
| 30 | * |
| 31 | * @run build TestScaffold VMConnection TargetListener TargetAdapter |
| 32 | * @run compile -g SuspendThreadTest.java |
| 33 | * @run main SuspendThreadTest |
| 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 | /********** target program **********/ |
| 42 | |
| 43 | class SuspendThreadTarg { |
| 44 | public static long count; |
| 45 | |
| 46 | public static void bkpt() { |
| 47 | count++; |
| 48 | } |
| 49 | |
| 50 | public static void main(String[] args){ |
| 51 | System.out.println("Howdy!"); |
| 52 | |
| 53 | // We need this to be running so the bkpt |
| 54 | // can be hit immediately when it is enabled |
| 55 | // in the back-end. |
| 56 | while(count >= 0) { |
| 57 | bkpt(); |
| 58 | } |
| 59 | System.out.println("Goodbye from SuspendThreadTarg, count = " + count); |
| 60 | } |
| 61 | } |
| 62 | |
| 63 | /********** test program **********/ |
| 64 | |
| 65 | public class SuspendThreadTest extends TestScaffold { |
| 66 | ClassType targetClass; |
| 67 | ThreadReference mainThread; |
| 68 | |
| 69 | SuspendThreadTest (String args[]) { |
| 70 | super(args); |
| 71 | } |
| 72 | |
| 73 | public static void main(String[] args) throws Exception { |
| 74 | new SuspendThreadTest(args).startTests(); |
| 75 | } |
| 76 | |
| 77 | /********** event handlers **********/ |
| 78 | |
| 79 | // 1000 makes the test take over 2 mins on win32 |
| 80 | static int maxBkpts = 200; |
| 81 | int bkptCount; |
| 82 | BreakpointRequest bkptRequest; |
| 83 | Field debuggeeCountField; |
| 84 | |
| 85 | // When we get a bkpt we want to disable the request, |
| 86 | // resume the debuggee, and then re-enable the request |
| 87 | public void breakpointReached(BreakpointEvent event) { |
| 88 | System.out.println("Got BreakpointEvent: " + bkptCount + |
| 89 | ", debuggeeCount = " + |
| 90 | ((LongValue)targetClass. |
| 91 | getValue(debuggeeCountField)).value() |
| 92 | ); |
| 93 | bkptRequest.disable(); |
| 94 | } |
| 95 | |
| 96 | public void eventSetComplete(EventSet set) { |
| 97 | set.resume(); |
| 98 | |
| 99 | // The main thread watchs the bkptCount to |
| 100 | // see if bkpts stop coming in. The |
| 101 | // test _should_ fail well before maxBkpts bkpts. |
| 102 | if (bkptCount++ < maxBkpts) { |
| 103 | bkptRequest.enable(); |
| 104 | } |
| 105 | } |
| 106 | |
| 107 | public void vmDisconnected(VMDisconnectEvent event) { |
| 108 | println("Got VMDisconnectEvent"); |
| 109 | } |
| 110 | |
| 111 | /********** test core **********/ |
| 112 | |
| 113 | protected void runTests() throws Exception { |
| 114 | /* |
| 115 | * Get to the top of main() |
| 116 | * to determine targetClass and mainThread |
| 117 | */ |
| 118 | BreakpointEvent bpe = startToMain("SuspendThreadTarg"); |
| 119 | targetClass = (ClassType)bpe.location().declaringType(); |
| 120 | mainThread = bpe.thread(); |
| 121 | EventRequestManager erm = vm().eventRequestManager(); |
| 122 | |
| 123 | Location loc1 = findMethod(targetClass, "bkpt", "()V").location(); |
| 124 | |
| 125 | bkptRequest = erm.createBreakpointRequest(loc1); |
| 126 | |
| 127 | // Without this, it is a SUSPEND_ALL bkpt and the test will pass |
| 128 | bkptRequest.setSuspendPolicy(EventRequest.SUSPEND_EVENT_THREAD); |
| 129 | bkptRequest.enable(); |
| 130 | |
| 131 | debuggeeCountField = targetClass.fieldByName("count"); |
| 132 | try { |
| 133 | |
| 134 | addListener (this); |
| 135 | } catch (Exception ex){ |
| 136 | ex.printStackTrace(); |
| 137 | failure("failure: Could not add listener"); |
| 138 | throw new Exception("SuspendThreadTest: failed"); |
| 139 | } |
| 140 | |
| 141 | int prevBkptCount; |
| 142 | vm().resume(); |
| 143 | while (bkptCount < maxBkpts) { |
| 144 | prevBkptCount = bkptCount; |
| 145 | // If we don't get a bkpt within 5 secs, |
| 146 | // the test fails |
| 147 | try { |
| 148 | Thread.sleep(5000); |
| 149 | } catch (InterruptedException ee) { |
| 150 | } |
| 151 | if (prevBkptCount == bkptCount) { |
| 152 | failure("failure: test hung"); |
| 153 | break; |
| 154 | } |
| 155 | prevBkptCount = bkptCount; |
| 156 | } |
| 157 | println("done with loop"); |
| 158 | bkptRequest.disable(); |
| 159 | removeListener(this); |
| 160 | |
| 161 | |
| 162 | /* |
| 163 | * deal with results of test |
| 164 | * if anything has called failure("foo") testFailed will be true |
| 165 | */ |
| 166 | if (!testFailed) { |
| 167 | println("SuspendThreadTest: passed"); |
| 168 | } else { |
| 169 | throw new Exception("SuspendThreadTest: failed"); |
| 170 | } |
| 171 | } |
| 172 | } |