| /* |
| * Copyright (c) 2001, 2006, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /** |
| * @test |
| * @bug 4425852 |
| * @author Robert Field |
| * |
| * @run build VMConnection |
| * @run compile -g EventQueueDisconnectTest.java |
| * @run main EventQueueDisconnectTest |
| * |
| * @summary EventQueueDisconnectTest checks to see that |
| * VMDisconnectedException is never thrown before VMDisconnectEvent. |
| * |
| * Failure mode for this test is throwing VMDisconnectedException |
| * on vm.eventQueue().remove(); |
| * Does not use a scaffold since we don't want that hiding the exception. |
| */ |
| import com.sun.jdi.*; |
| import com.sun.jdi.event.*; |
| import com.sun.jdi.request.*; |
| |
| |
| /********** target program **********/ |
| |
| class EventQueueDisconnectTarg { |
| public static void main(String args[]) { |
| for (int i=0; i < 10; ++i) { |
| Say(i); |
| } |
| } |
| static void Say(int what) { |
| System.out.println("Say " + what); |
| } |
| } |
| |
| /********** test program **********/ |
| |
| public class EventQueueDisconnectTest { |
| |
| public static void main(String args[]) throws Exception { |
| VMConnection connection = new VMConnection( |
| "com.sun.jdi.CommandLineLaunch:", |
| VirtualMachine.TRACE_NONE); |
| connection.setConnectorArg("main", "EventQueueDisconnectTarg"); |
| String debuggeeVMOptions = connection.getDebuggeeVMOptions(); |
| if (!debuggeeVMOptions.equals("")) { |
| if (connection.connectorArg("options").length() > 0) { |
| throw new IllegalArgumentException("VM options in two places"); |
| } |
| connection.setConnectorArg("options", debuggeeVMOptions); |
| } |
| VirtualMachine vm = connection.open(); |
| EventRequestManager requestManager = vm.eventRequestManager(); |
| MethodEntryRequest req = requestManager.createMethodEntryRequest(); |
| req.addClassFilter("EventQueueDisconnectTarg"); |
| req.setSuspendPolicy(EventRequest.SUSPEND_NONE); |
| req.enable(); |
| |
| // We need to have the BE stop when VMDeath comes |
| VMDeathRequest ourVMDeathRequest = requestManager.createVMDeathRequest(); |
| ourVMDeathRequest.setSuspendPolicy(EventRequest.SUSPEND_ALL); |
| ourVMDeathRequest.enable(); |
| |
| vm.resume(); |
| while (true) { |
| EventSet set = vm.eventQueue().remove(); |
| Event event = set.eventIterator().nextEvent(); |
| |
| System.err.println("EventSet with: " + event.getClass()); |
| |
| if (event instanceof VMDisconnectEvent) { |
| System.err.println("Disconnecting successfully"); |
| break; |
| } |
| |
| if (event instanceof VMDeathEvent) { |
| System.err.println("Pausing after VM death"); |
| |
| // sleep a few seconds |
| try { |
| Thread.sleep(40 * 1000); |
| } catch (InterruptedException exc) { |
| // ignore |
| } |
| } |
| |
| set.resume(); |
| } |
| |
| System.err.println("EventQueueDisconnectTest passed"); |
| } |
| } |