1 /* 2 * Copyright (c) 2010, 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 6426034 27 * @summary Instance filter doesn't filter event if it occurs in native method 28 * @author Keith McGuigan 29 * 30 * @run build JDIScaffold VMConnection 31 * @compile -XDignore.symbol.file NativeInstanceFilterTarg.java 32 * @run driver NativeInstanceFilter 33 */ 34 35 /* 36 * This test tests instance filters for events generated from a native method 37 */ 38 39 import java.util.*; 40 import com.sun.jdi.*; 41 import com.sun.jdi.event.*; 42 import com.sun.jdi.request.*; 43 44 public class NativeInstanceFilter extends JDIScaffold { 45 46 static int unfilteredEvents = 0; 47 48 public static void main(String args[]) throws Exception { 49 new NativeInstanceFilter().startTests(); 50 } 51 52 public NativeInstanceFilter() { 53 super(); 54 } 55 56 static EventRequestManager requestManager = null; 57 static MethodExitRequest request = null; 58 static ThreadReference mainThread = null; 59 60 private void listen() { 61 TargetAdapter adapter = new TargetAdapter() { 62 EventSet set = null; 63 ObjectReference instance = null; 64 65 public boolean eventSetReceived(EventSet set) { 66 this.set = set; 67 return false; 68 } 69 70 public boolean methodExited(MethodExitEvent event) { 71 String name = event.method().name(); 72 if (instance == null && name.equals("latch")) { 73 // Grab the instance (return value) and set up as filter 74 System.out.println("Setting up instance filter"); 75 instance = (ObjectReference)event.returnValue(); 76 requestManager.deleteEventRequest(request); 77 request = requestManager.createMethodExitRequest(); 78 request.addInstanceFilter(instance); 79 request.addThreadFilter(mainThread); 80 request.enable(); 81 } else if (instance != null && name.equals("intern")) { 82 // If not for the filter, this will be called twice 83 System.out.println("method exit event (String.intern())"); 84 ++unfilteredEvents; 85 } 86 set.resume(); 87 return false; 88 } 89 }; 90 addListener(adapter); 91 } 92 93 94 protected void runTests() throws Exception { 95 String[] args = new String[2]; 96 args[0] = "-connect"; 97 args[1] = "com.sun.jdi.CommandLineLaunch:main=NativeInstanceFilterTarg"; 98 99 connect(args); 100 waitForVMStart(); 101 102 // VM has started, but hasn't started running the test program yet. 103 requestManager = vm().eventRequestManager(); 104 ClassPrepareEvent e = resumeToPrepareOf("NativeInstanceFilterTarg"); 105 ReferenceType referenceType = e.referenceType(); 106 mainThread = e.thread(); 107 108 request = requestManager.createMethodExitRequest(); 109 request.addThreadFilter(mainThread); 110 request.enable(); 111 112 listen(); 113 114 vm().resume(); 115 116 waitForVMDeath(); 117 118 if (unfilteredEvents != 1) { 119 throw new Exception( 120 "Failed: Event from native frame not filtered out."); 121 } 122 System.out.println("Passed: Event filtered out."); 123 } 124 }