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 * 29 * @author Keith McGuigan 30 * 31 * @library scaffold 32 * @modules jdk.jdi 33 * @run build JDIScaffold VMConnection 34 * @compile -XDignore.symbol.file NativeInstanceFilterTarg.java 35 * @run driver NativeInstanceFilter 36 */ 37 38 /* 39 * This test tests instance filters for events generated from a native method 40 */ 41 42 import java.util.*; 43 import com.sun.jdi.*; 44 import com.sun.jdi.event.*; 45 import com.sun.jdi.request.*; 46 47 public class NativeInstanceFilter extends JDIScaffold { 48 49 static int unfilteredEvents = 0; 50 51 public static void main(String args[]) throws Exception { 52 new NativeInstanceFilter().startTests(); 53 } 54 55 public NativeInstanceFilter() { 56 super(); 57 } 58 59 static EventRequestManager requestManager = null; 60 static MethodExitRequest request = null; 61 static ThreadReference mainThread = null; 62 63 private void listen() { 64 TargetAdapter adapter = new TargetAdapter() { 65 EventSet set = null; 66 ObjectReference instance = null; 67 68 public boolean eventSetReceived(EventSet set) { 69 this.set = set; 70 return false; 71 } 72 73 public boolean methodExited(MethodExitEvent event) { 74 String name = event.method().name(); 75 if (instance == null && name.equals("latch")) { 76 // Grab the instance (return value) and set up as filter 77 System.out.println("Setting up instance filter"); 78 instance = (ObjectReference)event.returnValue(); 79 requestManager.deleteEventRequest(request); 80 request = requestManager.createMethodExitRequest(); 81 request.addInstanceFilter(instance); 82 request.addThreadFilter(mainThread); 83 request.enable(); 84 } else if (instance != null && name.equals("intern")) { 85 // If not for the filter, this will be called twice 86 System.out.println("method exit event (String.intern())"); 87 ++unfilteredEvents; 88 } 89 set.resume(); 90 return false; 91 } 92 }; 93 addListener(adapter); 94 } 95 96 97 protected void runTests() throws Exception { 98 String[] args = new String[2]; 99 args[0] = "-connect"; 100 args[1] = "com.sun.jdi.CommandLineLaunch:main=NativeInstanceFilterTarg"; 101 102 connect(args); 103 waitForVMStart(); 104 105 // VM has started, but hasn't started running the test program yet. 106 requestManager = vm().eventRequestManager(); 107 ClassPrepareEvent e = resumeToPrepareOf("NativeInstanceFilterTarg"); 108 ReferenceType referenceType = e.referenceType(); 109 mainThread = e.thread(); 110 111 request = requestManager.createMethodExitRequest(); 112 request.addThreadFilter(mainThread); 113 request.enable(); 114 115 listen(); 116 117 vm().resume(); 118 119 waitForVMDeath(); 120 121 if (unfilteredEvents != 1) { 122 throw new Exception( 123 "Failed: Event from native frame not filtered out."); 124 } 125 System.out.println("Passed: Event filtered out."); 126 } 127 }