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 *
29 * @author Robert Field
30 *
31 * @modules jdk.jdi
32 * @run build TestScaffold VMConnection TargetListener TargetAdapter
33 * @run compile -g FramesTest.java
34 * @run driver FramesTest
35 */
36 import com.sun.jdi.*;
37 import com.sun.jdi.event.*;
38 import com.sun.jdi.request.*;
39
40 import java.util.*;
41
42 /********** target program **********/
43
44 class FramesTarg {
45 static void foo3() {
46 System.out.println("executing foo3");
47 }
48 static void foo2() {
49 foo3();
50 }
51 static void foo1() {
52 foo2();
53 }
54 public static void main(String[] args){
55 System.out.println("Howdy!");
56 foo1();
57 }
58 }
59
60 /********** test program **********/
61
62 public class FramesTest extends TestScaffold {
63 ReferenceType targetClass;
64 ThreadReference mainThread;
65
66 static String[] expectedNames = {"foo3", "foo2", "foo1", "main"};
67
68 FramesTest (String args[]) {
69 super(args);
70 }
71
72 public static void main(String[] args) throws Exception {
73 new FramesTest(args).startTests();
74 }
75
76 /********** test assist **********/
77
78 void exceptionTest(int start, int length) {
79 boolean gotException = false;
80 try {
81 mainThread.frames(start, length);
82 } catch (IndexOutOfBoundsException exc) {
83 gotException = true;
84 } catch (Exception exc) {
85 failure("unexpected exception thrown for: " +
86 "start = " + start + ", length = " + length +
87 " - " + exc);
88 gotException = true;
89 }
90 if (!gotException) {
91 failure("expected IndexOutOfBoundsException " +
92 "not thrown for: " +
93 "start = " + start + ", length = " + length);
94 }
95 }
96
97 void nameTest(int start, int length) {
98 try {
99 List fs = mainThread.frames(start, length);
100 if (fs.size() != length) {
101 failure("wrong length for: " +
102 "start = " + start + ", length = " + length);
103 }
104 for (int i = 0; i < length; ++i) {
105 StackFrame sf = (StackFrame)(fs.get(i));
106 String name = sf.location().method().name();
107 String expected = expectedNames[start+i];
108 if (!name.equals(expected)) {
109 failure("bad frame entry (" + start + "," + length +
110 ") - expected " + expected +
111 ", got " + name);
112 }
113 }
114 } catch (Exception exc) {
115 failure("unexpected exception thrown for: " +
116 "start = " + start + ", length = " + length +
117 " - " + exc);
118 }
119 }
120
121 /********** test core **********/
122
123 protected void runTests() throws Exception {
124 /*
125 * Get to the top of main()
126 * to determine targetClass and mainThread
127 */
128 BreakpointEvent bpe = startToMain("FramesTarg");
129 targetClass = bpe.location().declaringType();
130 mainThread = bpe.thread();
131
132 int initialSize = mainThread.frames().size();
133
134 resumeTo("FramesTarg", "foo3", "()V");
135
136 if (!mainThread.frame(0).location().method().name()
137 .equals("foo3")) {
138 failure("frame failed");
139 }
140
141 if (mainThread.frames().size() != (initialSize + 3)) {
142 failure("frames size failed");
143 }
144
145 if (mainThread.frames().size() != mainThread.frameCount()) {
146 failure("frames size not equal to frameCount");
147 }
148
149 exceptionTest(-1, 1);
150 exceptionTest(mainThread.frameCount(), 1);
151 exceptionTest(0, -1);
152 exceptionTest(0, -2);
153 exceptionTest(0, mainThread.frameCount()+1);
154
155 nameTest(0, 0);
156 nameTest(0, 1);
157 nameTest(0, 4);
158 nameTest(2, 2);
159 nameTest(1, 1);
160
161 /*
162 * resume until end
163 */
164 listenUntilVMDisconnect();
165
166 /*
167 * deal with results of test
168 * if anything has called failure("foo") testFailed will be true
169 */
170 if (!testFailed) {
171 println("FramesTest: passed");
172 } else {
173 throw new Exception("FramesTest: failed");
174 }
175 }
176 }