1 /*
2 * Copyright (c) 2001, 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 4419453
27 * @summary Test that Method.location() returns the right values
28 *
29 * @author Robert Field
30 *
31 * @run build TestScaffold VMConnection TargetListener TargetAdapter
32 * @run compile -g LocationTest.java
33 * @run driver LocationTest
34 */
35 import com.sun.jdi.*;
36 import com.sun.jdi.event.*;
37 import com.sun.jdi.request.*;
38
39 import java.util.*;
40
41 /********** target program **********/
42
43 abstract class AbstractLocationTarg {
44 abstract void foo();
45 }
46
47 class LocationTarg extends AbstractLocationTarg {
48 public static void main(String[] args){
49 System.out.println("Howdy!"); // don't change the following 3 lines
50 }
51 void foo() {
52 System.out.println("Never here!"); // must be 3 lines after "Howdy!"
53 }
54 }
55
56 /********** test program **********/
57
58 public class LocationTest extends TestScaffold {
59 ReferenceType targetClass;
60 ThreadReference mainThread;
61
62 LocationTest (String args[]) {
63 super(args);
64 }
65
66 public static void main(String[] args) throws Exception {
67 new LocationTest(args).startTests();
68 }
69
70 /********** test assist **********/
71
72 Location getLocation(String refName, String methodName) {
73 List refs = vm().classesByName(refName);
74 if (refs.size() != 1) {
75 failure("Test failure: " + refs.size() +
76 " ReferenceTypes named: " + refName);
77 return null;
78 }
79 ReferenceType refType = (ReferenceType)refs.get(0);
80 List meths = refType.methodsByName(methodName);
81 if (meths.size() != 1) {
82 failure("Test failure: " + meths.size() +
83 " methods named: " + methodName);
84 return null;
85 }
86 Method meth = (Method)meths.get(0);
87 return meth.location();
88 }
89
90 /********** test core **********/
91
92 protected void runTests() throws Exception {
93 Location loc;
94
95 /*
96 * Get to the top of main() to get everything loaded
97 */
98 startToMain("LocationTarg");
99
100 /*
101 * Test the values of location()
102 */
103 loc = getLocation("AbstractLocationTarg", "foo");
104 if (loc != null) {
105 failure("location of AbstractLocationTarg.foo() should have " +
106 "been null, but was: " + loc);
107 }
108
109 loc = getLocation("java.util.List", "clear");
110 if (loc != null) {
111 failure("location of java.util.List.clear() " +
112 "should have been null, but was: " + loc);
113 }
114
115 loc = getLocation("java.lang.Object", "getClass");
116 if (loc == null) {
117 failure("location of Object.getClass() " +
118 "should have been non-null, but was: " + loc);
119 } else {
120 if (!loc.declaringType().name().equals("java.lang.Object")) {
121 failure("location.declaringType() of Object.getClass() " +
122 "should have been java.lang.Object, but was: " +
123 loc.declaringType());
124 }
125 if (!loc.method().name().equals("getClass")) {
126 failure("location.method() of Object.getClass() " +
127 "should have been getClass, but was: " +
128 loc.method());
129 }
130 if (loc.codeIndex() != -1) {
131 failure("location.codeIndex() of Object.getClass() " +
132 "should have been -1, but was: " +
133 loc.codeIndex());
134 }
135 if (loc.lineNumber() != -1) {
136 failure("location.lineNumber() of Object.getClass() " +
137 "should have been -1, but was: " +
138 loc.lineNumber());
139 }
140 }
141 Location mainLoc = getLocation("LocationTarg", "main");
142 loc = getLocation("LocationTarg", "foo");
143 if (loc == null) {
144 failure("location of LocationTarg.foo() " +
145 "should have been non-null, but was: " + loc);
146 } else {
147 if (!loc.declaringType().name().equals("LocationTarg")) {
148 failure("location.declaringType() of LocationTarg.foo() " +
149 "should have been LocationTarg, but was: " +
150 loc.declaringType());
151 }
152 if (!loc.method().name().equals("foo")) {
153 failure("location.method() of LocationTarg.foo() " +
154 "should have been foo, but was: " +
155 loc.method());
156 }
157 if (loc.codeIndex() != 0) { // implementation dependent!!!
158 failure("location.codeIndex() of LocationTarg.foo() " +
159 "should have been 0, but was: " +
160 loc.codeIndex());
161 }
162 if (loc.lineNumber() != (mainLoc.lineNumber() + 3)) {
163 failure("location.lineNumber() of LocationTarg.foo() " +
164 "should have been " + (mainLoc.lineNumber() + 3) +
165 ", but was: " + loc.lineNumber());
166 }
167 }
168
169
170 /*
171 * resume until the end
172 */
173 listenUntilVMDisconnect();
174
175 /*
176 * deal with results of test
177 * if anything has called failure("foo") testFailed will be true
178 */
179 if (!testFailed) {
180 println("LocationTest: passed");
181 } else {
182 throw new Exception("LocationTest: failed");
183 }
184 }
185 }