1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
|
/*
* Copyright 2005 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
/**
* @test
* @bug 6230699
* @summary Test ThreadReference.ownedMonitorsAndFrames()
* @bug 6701700
* @summary MonitorInfo objects aren't invalidated when the owning thread is resumed
* @author Swamy Venkataramanappa
*
* @run build TestScaffold VMConnection TargetListener TargetAdapter
* @run compile -g MonitorFrameInfo.java
* @run main MonitorFrameInfo
*/
import com.sun.jdi.*;
import com.sun.jdi.event.*;
import com.sun.jdi.request.*;
import java.util.*;
/********** target program **********/
class MonitorTestTarg {
static void foo3() {
System.out.println("executing foo3");
}
static void foo2() {
Object l1 = new Object();
synchronized(l1) {
System.out.println("executing foo2 " + l1);
foo3();
}
}
static void foo1() {
foo2();
}
public static void main(String[] args){
System.out.println("Howdy!");
Object l1 = new Object();
synchronized(l1) {
System.out.println("executing main" + l1);
foo1();
}
}
}
/********** test program **********/
public class MonitorFrameInfo extends TestScaffold {
ReferenceType targetClass;
ThreadReference mainThread;
List monitors;
static int expectedCount = 2;
static int[] expectedDepth = { 1, 3 };
static String[] expectedNames = {"foo3", "foo2", "foo1", "main"};
MonitorFrameInfo (String args[]) {
super(args);
}
public static void main(String[] args) throws Exception {
new MonitorFrameInfo(args).startTests();
}
/********** test core **********/
protected void runTests() throws Exception {
/*
* Get to the top of main()
* to determine targetClass and mainThread
*/
BreakpointEvent bpe = startToMain("MonitorTestTarg");
targetClass = bpe.location().declaringType();
mainThread = bpe.thread();
int initialSize = mainThread.frames().size();
resumeTo("MonitorTestTarg", "foo3", "()V");
if (!mainThread.frame(0).location().method().name()
.equals("foo3")) {
failure("FAILED: frame failed");
}
if (mainThread.frames().size() != (initialSize + 3)) {
failure("FAILED: frames size failed");
}
if (mainThread.frames().size() != mainThread.frameCount()) {
failure("FAILED: frames size not equal to frameCount");
}
/* Test monitor frame info.
*/
if (vm().canGetMonitorFrameInfo()) {
System.out.println("Get monitors");
monitors = mainThread.ownedMonitorsAndFrames();
if (monitors.size() != expectedCount) {
failure("monitors count is not equal to expected count");
}
MonitorInfo mon = null;
for (int j=0; j < monitors.size(); j++) {
mon = (MonitorInfo)monitors.get(j);
System.out.println("Monitor obj " + mon.monitor() + "depth =" +mon.stackDepth());
if (mon.stackDepth() != expectedDepth[j]) {
failure("FAILED: monitor stack depth is not equal to expected depth");
}
}
// The last gotten monInfo is in mon. When we resume the thread,
// it should become invalid. We will step out of the top frame
// so that the frame depth in this mon object will no longer be correct.
// That is why the monInfo's have to become invalid when the thread is
// resumed.
stepOut(mainThread);
boolean ok = false;
try {
System.out.println("*** Saved Monitor obj " + mon.monitor() + "depth =" +mon.stackDepth());
} catch(InvalidStackFrameException ee) {
// ok
ok = true;
System.out.println("Got expected InvalidStackFrameException after a resume");
}
if (!ok) {
failure("FAILED: MonitorInfo object was not invalidated by a resume");
}
} else {
System.out.println("can not get monitors frame info");
}
/*
* resume until end
*/
listenUntilVMDisconnect();
/*
* deal with results of test
* if anything has called failure("foo") testFailed will be true
*/
if (!testFailed) {
println("MonitorFrameInfo: passed");
} else {
throw new Exception("MonitorFrameInfo: failed");
}
}
}
|
