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/*
* Copyright (c) 2001, 2015, 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
*
* @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.
*
* @run build VMConnection
* @run compile -g EventQueueDisconnectTest.java
* @run driver EventQueueDisconnectTest
*/
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 = VMConnection.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");
}
}
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