| /* |
| * Copyright (c) 2000, 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 4312961 |
| * @summary Verify that an instance filter on a MethodEntryRequest works |
| * properly. |
| * @author Robert Field/Jim Holmlund |
| * |
| * @run build TestScaffold VMConnection TargetAdapter TargetListener |
| * @run compile -g InstanceFilter.java |
| * @run driver InstanceFilter |
| */ |
| import com.sun.jdi.*; |
| import com.sun.jdi.event.*; |
| import com.sun.jdi.request.*; |
| |
| class InstanceFilterTarg { |
| static InstanceFilterTarg first = new InstanceFilterTarg(); |
| static InstanceFilterTarg second = new InstanceFilterTarg(); |
| static InstanceFilterTarg third = new InstanceFilterTarg(); |
| |
| public static void main(String args[]) { |
| start(); |
| } |
| |
| static void start() { |
| first.go(); |
| second.go(); |
| third.go(); |
| } |
| |
| void go() { |
| one(); |
| two(); |
| three(); |
| } |
| |
| void one() { |
| } |
| |
| void two() { |
| } |
| |
| void three() { |
| } |
| } |
| |
| public class InstanceFilter extends TestScaffold { |
| ReferenceType targetClass; |
| |
| ObjectReference theInstance; |
| MethodEntryRequest methodEntryRequest; |
| int methodCount = 0; |
| // These are the methods for which we expect to get MethodEntryEvents. |
| String[] expectedMethods = new String[] { "go", "one", "two", "three"}; |
| |
| public static void main(String args[]) throws Exception { |
| new InstanceFilter(args).startTests(); |
| } |
| |
| InstanceFilter(String args[]) throws Exception { |
| super(args); |
| } |
| |
| /** |
| * Override TestScaffold.methodEntered. This should get called |
| * once for each method named in 'expectedMethods', and for |
| * the instance that we select to filter on. |
| */ |
| public void methodEntered(MethodEntryEvent event) { |
| if (testFailed) { |
| return; |
| } |
| // Find the instance and verify that it is |
| // the one we want. |
| ObjectReference theThis; |
| try { |
| theThis = event.thread().frame(0).thisObject(); |
| } catch (IncompatibleThreadStateException ee) { |
| failure("FAILED: Exception occured in methodEntered: " + ee); |
| return; |
| } |
| if (theThis == null) { |
| // This happens when the thread has exited or when a |
| // static method is called. Setting an instance |
| // filter does not prevent this event from being |
| // emitted with a this that is null. |
| methodEntryRequest.disable(); |
| return; |
| } |
| |
| if (!theThis.equals(theInstance)) { |
| failure("FAILED: Got a hit on a non-selected instance"); |
| } |
| |
| // fail if we don't get called for each of the expected methods |
| { |
| String methodStr = event.location().method().name(); |
| |
| if (methodCount >= expectedMethods.length) { |
| failure("FAILED: Got too many methodEntryEvents"); |
| } else if (methodStr.indexOf(expectedMethods[methodCount]) == -1) { |
| failure("FAILED: Expected method: " + expectedMethods[methodCount]); |
| } |
| methodCount++; |
| println("Method: " + methodStr); |
| } |
| } |
| |
| protected void runTests() throws Exception { |
| |
| BreakpointEvent bpe = startTo("InstanceFilterTarg", "go", "()V"); |
| targetClass = bpe.location().declaringType(); |
| |
| Field field = targetClass.fieldByName("second"); |
| theInstance = (ObjectReference)(targetClass.getValue(field)); |
| |
| EventRequestManager mgr = vm().eventRequestManager(); |
| methodEntryRequest = mgr.createMethodEntryRequest(); |
| methodEntryRequest.addInstanceFilter(theInstance); |
| // Thread filter is needed to prevent MethodEntry events |
| // to be emitted by the debugee when a static method |
| // is called on any thread. |
| methodEntryRequest.addThreadFilter(bpe.thread()); |
| methodEntryRequest.enable(); |
| |
| listenUntilVMDisconnect(); |
| |
| if (!testFailed && methodCount < expectedMethods.length) { |
| failure("FAILED: Expected " + expectedMethods.length + " events, only got " |
| + methodCount); |
| } |
| if (!testFailed) { |
| println("InstanceFilter: passed"); |
| } else { |
| throw new Exception("InstanceFilter: failed"); |
| } |
| } |
| } |