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
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
|
/*
* Copyright (c) 2007, 2017, 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.
*/
// THIS TEST IS LINE NUMBER SENSITIVE
/**
* @test
* @bug 4530424
* @summary Hin says that doing a step over after a popframe acts like a resume.
* @author jjh
*
* @library ..
*
* @run build TestScaffold VMConnection TargetListener TargetAdapter
* @run compile -g PopAndStepTest.java
* @run driver PopAndStepTest
*/
import com.sun.jdi.*;
import com.sun.jdi.event.*;
import com.sun.jdi.request.*;
import java.util.*;
class PopAndStepTarg {
public void B() {
System.out.println("debuggee: in B"); // B_LINE_1
System.out.println("debuggee: in B, back to A"); // B_LINE_2
}
public void A() {
System.out.println("debuggee: in A, about to call B"); // A_LINE_1
B(); // A_LINE_2
System.out.println("debuggee: in A, back from B"); // A_LINE_3
throw new RuntimeException("debuggee: Got to line A_LINE_4:" + PopAndStepTest.A_LINE_4); // A_LINE_4
}
public static void main(String[] args) {
System.out.println("debuggee: Howdy!"); // MAIN_LINE_1
PopAndStepTarg xxx = new PopAndStepTarg(); // MAIN_LINE_2
xxx.A(); // MAIN_LINE_3
System.out.println("debugee: Goodbye from PopAndStepTarg!");
}
}
/********** test program **********/
public class PopAndStepTest extends TestScaffold {
static final int B_LINE_1 = 46;
static final int B_LINE_2 = B_LINE_1 + 1;
static final int A_LINE_1 = 51;
static final int A_LINE_2 = A_LINE_1 + 1;
static final int A_LINE_3 = A_LINE_1 + 2;
static final int A_LINE_4 = A_LINE_1 + 3;
static final int MAIN_LINE_1 = 58;
static final int MAIN_LINE_2 = MAIN_LINE_1 + 1;
static final int MAIN_LINE_3 = MAIN_LINE_1 + 2;
ReferenceType targetClass;
ThreadReference mainThread;
PopAndStepTest (String args[]) {
super(args);
}
public static void main(String[] args) throws Exception {
new PopAndStepTest(args).startTests();
}
StackFrame frameFor(String methodName) throws Exception {
Iterator it = mainThread.frames().iterator();
while (it.hasNext()) {
StackFrame frame = (StackFrame)it.next();
if (frame.location().method().name().equals(methodName)) {
return frame;
}
}
failure("FAIL: " + methodName + " not on stack");
return null;
}
int getDebuggeeLineNum(int expectedLine) throws Exception {
List allFrames = mainThread.frames();
if ( allFrames == null) {
return -1;
}
Iterator it = allFrames.iterator();
StackFrame frame = (StackFrame)it.next();
Location loc = frame.location();
int theLine = loc.lineNumber();
if (expectedLine != theLine) {
failure("FAIL: Should be at " + expectedLine + ", are at " +
theLine + ", method = " + loc.method().name());
} else {
println("Should be at, and am at: " + expectedLine);
}
return theLine;
}
public void vmDied(VMDeathEvent event) {
println("Got VMDeathEvent");
}
public void vmDisconnected(VMDisconnectEvent event) {
println("Got VMDisconnectEvent");
}
/********** test core **********/
protected void runTests() throws Exception {
/*
* Get to the top of main()
* to determine targetClass and mainThread
*/
runOnce();
}
void runOnce() throws Exception{
/*
* Get to the top of main()
* to determine targetClass and mainThread
*/
BreakpointEvent bpe = startToMain("PopAndStepTarg");
targetClass = bpe.location().declaringType();
mainThread = bpe.thread();
getDebuggeeLineNum(MAIN_LINE_1);
println("Resuming to line B_LINE_2 : " + B_LINE_2);
bpe = resumeTo("PopAndStepTarg", B_LINE_2); getDebuggeeLineNum(B_LINE_2);
// The failure is this:
// create step request
// enable step request
// pop frame
// do the step
// do another step - This step runs to completion
EventRequestManager erm = eventRequestManager();
StepRequest srInto = erm.createStepRequest(mainThread, StepRequest.STEP_LINE,
StepRequest.STEP_INTO);
srInto.addClassExclusionFilter("java.*");
srInto.addClassExclusionFilter("javax.*");
srInto.addClassExclusionFilter("sun.*");
srInto.addClassExclusionFilter("com.sun.*");
srInto.addClassExclusionFilter("com.oracle.*");
srInto.addClassExclusionFilter("oracle.*");
srInto.addClassExclusionFilter("jdk.internal.*");
srInto.addCountFilter(1);
srInto.enable(); // This fails
mainThread.popFrames(frameFor("A"));
//srInto.enable(); // if the enable is moved here, it passes
println("Popped back to line MAIN_LINE_3(" + MAIN_LINE_3 + ") in main, the call to A()");
println("Stepping into line A_LINE_1:" + A_LINE_1);
waitForRequestedEvent(srInto); // println
srInto.disable();
getDebuggeeLineNum(A_LINE_1);
// The failure occurs here.
println("Stepping over to line A_LINE_2:" + A_LINE_2);
stepOverLine(mainThread); // println
getDebuggeeLineNum(A_LINE_2);
println("Stepping over to line A_LINE_3:" + A_LINE_3);
stepOverLine(mainThread); // call to B()
getDebuggeeLineNum(A_LINE_3);
vm().exit(0);
if (testFailed) {
throw new Exception("PopAndStepTest failed");
}
println("Passed:");
}
}
|
