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
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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
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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
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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
39import java.util.*;
40import com.sun.jdi.*;
41import com.sun.jdi.event.*;
42import com.sun.jdi.request.*;
43
44public 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}
125