1 /*
2 * Copyright (c) 2001, 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 4434232
27 * @summary Test ThreadReference.frames(int,int)
28 * @author Robert Field
29 *
30 * @run build TestScaffold VMConnection TargetListener TargetAdapter
31 * @run compile -g FramesTest.java
32 * @run driver FramesTest
33 */
34 import com.sun.jdi.*;
35 import com.sun.jdi.event.*;
36 import com.sun.jdi.request.*;
37
38 import java.util.*;
39
40 /********** target program **********/
41
42 class FramesTarg {
43 static void foo3() {
44 System.out.println("executing foo3");
45 }
46 static void foo2() {
47 foo3();
48 }
49 static void foo1() {
50 foo2();
51 }
52 public static void main(String[] args){
53 System.out.println("Howdy!");
54 foo1();
55 }
56 }
57
58 /********** test program **********/
59
60 public class FramesTest extends TestScaffold {
61 ReferenceType targetClass;
62 ThreadReference mainThread;
63
64 static String[] expectedNames = {"foo3", "foo2", "foo1", "main"};
65
66 FramesTest (String args[]) {
67 super(args);
68 }
69
70 public static void main(String[] args) throws Exception {
71 new FramesTest(args).startTests();
72 }
73
74 /********** test assist **********/
75
76 void exceptionTest(int start, int length) {
77 boolean gotException = false;
78 try {
79 mainThread.frames(start, length);
80 } catch (IndexOutOfBoundsException exc) {
81 gotException = true;
82 } catch (Exception exc) {
83 failure("unexpected exception thrown for: " +
84 "start = " + start + ", length = " + length +
85 " - " + exc);
86 gotException = true;
87 }
88 if (!gotException) {
89 failure("expected IndexOutOfBoundsException " +
90 "not thrown for: " +
91 "start = " + start + ", length = " + length);
92 }
93 }
94
95 void nameTest(int start, int length) {
96 try {
97 List fs = mainThread.frames(start, length);
98 if (fs.size() != length) {
99 failure("wrong length for: " +
100 "start = " + start + ", length = " + length);
101 }
102 for (int i = 0; i < length; ++i) {
103 StackFrame sf = (StackFrame)(fs.get(i));
104 String name = sf.location().method().name();
105 String expected = expectedNames[start+i];
106 if (!name.equals(expected)) {
107 failure("bad frame entry (" + start + "," + length +
108 ") - expected " + expected +
109 ", got " + name);
110 }
111 }
112 } catch (Exception exc) {
113 failure("unexpected exception thrown for: " +
114 "start = " + start + ", length = " + length +
115 " - " + exc);
116 }
117 }
118
119 /********** test core **********/
120
121 protected void runTests() throws Exception {
122 /*
123 * Get to the top of main()
124 * to determine targetClass and mainThread
125 */
126 BreakpointEvent bpe = startToMain("FramesTarg");
127 targetClass = bpe.location().declaringType();
128 mainThread = bpe.thread();
129
130 int initialSize = mainThread.frames().size();
131
132 resumeTo("FramesTarg", "foo3", "()V");
133
134 if (!mainThread.frame(0).location().method().name()
135 .equals("foo3")) {
136 failure("frame failed");
137 }
138
139 if (mainThread.frames().size() != (initialSize + 3)) {
140 failure("frames size failed");
141 }
142
143 if (mainThread.frames().size() != mainThread.frameCount()) {
144 failure("frames size not equal to frameCount");
145 }
146
147 exceptionTest(-1, 1);
148 exceptionTest(mainThread.frameCount(), 1);
149 exceptionTest(0, -1);
150 exceptionTest(0, -2);
151 exceptionTest(0, mainThread.frameCount()+1);
152
153 nameTest(0, 0);
154 nameTest(0, 1);
155 nameTest(0, 4);
156 nameTest(2, 2);
157 nameTest(1, 1);
158
159 /*
160 * resume until end
161 */
162 listenUntilVMDisconnect();
163
164 /*
165 * deal with results of test
166 * if anything has called failure("foo") testFailed will be true
167 */
168 if (!testFailed) {
169 println("FramesTest: passed");
170 } else {
171 throw new Exception("FramesTest: failed");
172 }
173 }
174 }