1 /*
2 * Copyright (c) 2001, 2016, 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 4406439 4925740
27 * @summary ClassesByName2 verifies that all the classes in the loaded class list can be found with classesByName..
28 *
29 * @author Tim Bell (based on ClassesByName by Robert Field)
30 *
31 * @modules java.corba
32 * jdk.jdi
33 * @run build TestScaffold VMConnection TargetListener TargetAdapter
34 * @run compile -g ClassesByName2Test.java
35 * @run driver ClassesByName2Test
36 */
37 import com.sun.jdi.*;
38 import com.sun.jdi.event.*;
39 import com.sun.jdi.request.*;
40
41 import java.util.*;
42
43 /********** target program **********/
44
45 class ClassesByName2Targ {
46 static void bkpt() {
47 }
48
49 public static void main(String[] args){
50 System.out.println("Howdy!");
51 try {
52
53 Thread zero = new Thread ("ZERO") {
54 public void run () {
55 System.setProperty("java.awt.headless", "true");
56 java.awt.Toolkit tk = java.awt.Toolkit.getDefaultToolkit();
57
58 }
59 };
60
61 Thread one = new Thread ("ONE") {
62 public void run () {
63 try {
64 java.security.KeyPairGenerator keyGen =
65 java.security.KeyPairGenerator.getInstance("DSA", "SUN");
66 } catch (Exception e) {
67 e.printStackTrace();
68 }
69 }
70 };
71
72 Thread two = new Thread ("TWO") {
73 public void run () {
74 try {
75 String s = String.format("%02x", 0xff);
76 } catch (Exception e) {
77 e.printStackTrace();
78 }
79 }
80 };
81
82 two.start();
83 one.start();
84 zero.start();
85
86 try {
87 zero.join();
88 System.out.println("zero joined");
89 one.join();
90 System.out.println("one joined");
91 two.join();
92 System.out.println("two joined");
93 } catch (InterruptedException iex) {
94 iex.printStackTrace();
95 }
96 } catch (Exception e) {
97 e.printStackTrace();
98 }
99 bkpt();
100 System.out.println("Goodbye from ClassesByName2Targ!");
101 }
102 }
103
104 /********** test program **********/
105
106 public class ClassesByName2Test extends TestScaffold {
107 volatile boolean stop = false;
108
109 ClassesByName2Test (String args[]) {
110 super(args);
111 }
112
113 public void breakpointReached(BreakpointEvent event) {
114 System.out.println("Got BreakpointEvent: " + event);
115 stop = true;
116 }
117
118 public void eventSetComplete(EventSet set) {
119 // Don't resume.
120 }
121
122 public static void main(String[] args) throws Exception {
123 new ClassesByName2Test(args).startTests();
124 }
125
126 void breakpointAtMethod(ReferenceType ref, String methodName)
127 throws Exception {
128 List meths = ref.methodsByName(methodName);
129 if (meths.size() != 1) {
130 throw new Exception("test error: should be one " +
131 methodName);
132 }
133 Method meth = (Method)meths.get(0);
134 BreakpointRequest bkptReq = vm().eventRequestManager().
135 createBreakpointRequest(meth.location());
136 bkptReq.enable();
137 try {
138 addListener (this);
139 } catch (Exception ex){
140 ex.printStackTrace();
141 failure("failure: Could not add listener");
142 throw new Exception("ClassesByname2Test: failed");
143 }
144 }
145
146 protected void runTests() throws Exception {
147 BreakpointEvent bpe = startToMain("ClassesByName2Targ");
148
149 /*
150 Bug 6263966 - Don't just resume because the debuggee can
151 complete and disconnect while the following loop is
152 accessing it.
153 */
154 breakpointAtMethod(bpe.location().declaringType(), "bkpt");
155 vm().resume();
156
157 /* The test of 'stop' is so that we stop when the debuggee hits
158 the bkpt. The 150 is so we stop if the debuggee
159 is slow (eg, -Xcomp -server) - we don't want to
160 spend all day waiting for it to get to the bkpt.
161 */
162 for (int i = 0; i < 150 && !stop; i++) {
163 List all = vm().allClasses();
164 System.out.println("\n++++ Lookup number: " + i + ". allClasses() returned " +
165 all.size() + " classes.");
166 for (Iterator it = all.iterator(); it.hasNext(); ) {
167 ReferenceType cls = (ReferenceType)it.next();
168 String name = cls.name();
169 List found = vm().classesByName(name);
170 if (found.contains(cls)) {
171 //System.out.println("Found class: " + name);
172 } else {
173 System.out.println("CLASS NOT FOUND: " + name);
174 throw new Exception("CLASS NOT FOUND (by classesByName): " +
175 name);
176 }
177 }
178 }
179
180 // In case of a slow debuggee, we don't want to resume the debuggee and wait
181 // for it to complete.
182 vm().exit(0);
183
184 /*
185 * deal with results of test
186 * if anything has called failure("foo") testFailed will be true
187 */
188 if (!testFailed) {
189 println("ClassesByName2Test: passed");
190 } else {
191 throw new Exception("ClassesByName2Test: failed");
192 }
193 }
194 }