1 /*
2 * Copyright (c) 2011, 2013, 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 7045594 8002070
27 * @summary ResourceBundle setting race in Logger.getLogger(name, rbName)
28 * @author Daniel D. Daugherty
29 * @build RacingThreadsTest LoggerResourceBundleRace
30 * @run main/othervm LoggerResourceBundleRace
31 *
32 * (In samevm mode, the bundle classes don't end up in the classpath.)
33 */
34 import java.util.ListResourceBundle;
35 import java.util.MissingResourceException;
36 import java.util.concurrent.atomic.AtomicInteger;
37 import java.util.logging.Logger;
38
39
40 public class LoggerResourceBundleRace extends RacingThreadsTest {
41 private final static int N_LOOPS = 500000; // # of race loops
42 private final static int N_SECS = 15; // # of secs to run test
43 // # of parallel threads; must match number of MyResources inner classes
44 private final static int N_THREADS = 3;
45
46 private final static String LOGGER_PREFIX = "myLogger-";
47 private final static String RESOURCE_PREFIX
48 = "LoggerResourceBundleRace$MyResources";
49 // these counters are AtomicInteger since any worker thread can increment
50 private final static AtomicInteger iaeCnt = new AtomicInteger();
51 private final static AtomicInteger worksCnt = new AtomicInteger();
52
53 Logger dummy; // dummy Logger
54
55 LoggerResourceBundleRace(String name, int n_threads, int n_loops,
56 int n_secs) {
57 super(name, n_threads, n_loops, n_secs);
58 }
59
60
61 // Main test driver
62 //
63 public static void main(String[] args) {
64 LoggerResourceBundleRace test
65 = new LoggerResourceBundleRace("LoggerResourceBundleRace",
66 N_THREADS, N_LOOPS, N_SECS);
67 test.setVerbose(
68 Boolean.getBoolean("LoggerResourceBundleRace.verbose"));
69
70 DriverThread driver = new DriverThread(test);
71 MyWorkerThread[] workers = new MyWorkerThread[N_THREADS];
72 for (int i = 0; i < workers.length; i++) {
73 workers[i] = new MyWorkerThread(i, test);
74 }
75 test.runTest(driver, workers);
76 }
77
78 public void oneTimeDriverInit(DriverThread dt) {
79 super.oneTimeDriverInit(dt);
80 dummy = null;
81 }
82
83 public void perRaceDriverInit(DriverThread dt) {
84 super.perRaceDriverInit(dt);
85
86 // - allocate a new dummy Logger without a ResourceBundle;
87 // this gives the racing threads less to do
88 // - reset the counters
89 dummy = Logger.getLogger(LOGGER_PREFIX + getLoopCnt());
90 iaeCnt.set(0);
91 worksCnt.set(0);
92 }
93
94 public void executeRace(WorkerThread wt) {
95 super.executeRace(wt);
96
97 Logger myLogger = null;
98 try {
99 MyWorkerThread mwt = (MyWorkerThread) wt; // short hand
100
101 // Here is the race:
102 // - the target Logger object has already been created by
103 // the DriverThread without a ResourceBundle name
104 // - in parallel, each WorkerThread calls Logger.getLogger()
105 // with a different ResourceBundle name
106 // - Logger.getLogger() should only successfully set the
107 // ResourceBundle name for one WorkerThread; all other
108 // WorkerThread calls to Logger.getLogger() should throw
109 // IllegalArgumentException
110 myLogger = Logger.getLogger(LOGGER_PREFIX + getLoopCnt(),
111 mwt.rbName);
112 if (myLogger.getResourceBundleName().equals(mwt.rbName)) {
113 // no exception and the ResourceBundle names match
114 worksCnt.incrementAndGet(); // ignore return
115 } else {
116 System.err.println(wt.getName()
117 + ": ERROR: expected ResourceBundleName '"
118 + mwt.rbName + "' does not match actual '"
119 + myLogger.getResourceBundleName() + "'");
120 incAndGetFailCnt(); // ignore return
121 }
122 } catch (IllegalArgumentException iae) {
123 iaeCnt.incrementAndGet(); // ignore return
124 } catch (MissingResourceException mre) {
125 // This exception happens when N_THREADS above does not
126 // match the number of MyResources inner classes below.
127 // We exit since this is a coding error.
128 unexpectedException(wt, mre);
129 System.exit(2);
130 }
131 }
132
133 public void checkRaceResults(DriverThread dt) {
134 super.checkRaceResults(dt);
135
136 if (worksCnt.get() != 1) {
137 System.err.println(dt.getName() + ": ERROR: worksCnt should be 1"
138 + ": loopCnt=" + getLoopCnt() + ", worksCnt=" + worksCnt.get());
139 incAndGetFailCnt(); // ignore return
140 } else if (iaeCnt.get() != N_THREADS - 1) {
141 System.err.println(dt.getName() + ": ERROR: iaeCnt should be "
142 + (N_THREADS - 1) + ": loopCnt=" + getLoopCnt()
143 + ", iaeCnt=" + iaeCnt.get());
144 incAndGetFailCnt(); // ignore return
145 }
146 }
147
148 public void oneTimeDriverEpilog(DriverThread dt) {
149 super.oneTimeDriverEpilog(dt);
150
151 // Use the dummy Logger after the testing loop to make sure that
152 // dummy doesn't get optimized away in the testing loop.
153 dummy.info("This is a test message.");
154 }
155
156 // N_THREADS above must match number of MyResources inner classes
157 //
158 public static class MyResources0 extends ListResourceBundle {
159 final static Object[][] contents = {
160 {"sample1", "translation #1 for sample1"},
161 {"sample2", "translation #1 for sample2"},
162 };
163
164 public Object[][] getContents() {
165 return contents;
166 }
167 }
168
169 public static class MyResources1 extends ListResourceBundle {
170 final static Object[][] contents = {
171 {"sample1", "translation #2 for sample1"},
172 {"sample2", "translation #2 for sample2"},
173 };
174
175 public Object[][] getContents() {
176 return contents;
177 }
178 }
179
180 public static class MyResources2 extends ListResourceBundle {
181 final static Object[][] contents = {
182 {"sample1", "translation #3 for sample1"},
183 {"sample2", "translation #3 for sample2"},
184 };
185
186 public Object[][] getContents() {
187 return contents;
188 }
189 }
190
191
192 // WorkerThread with a thread specific ResourceBundle name
193 //
194 public static class MyWorkerThread extends WorkerThread {
195 public final String rbName; // ResourceBundle name
196
197 MyWorkerThread(int workerNum, RacingThreadsTest test) {
198 super(workerNum, test);
199
200 rbName = RESOURCE_PREFIX + workerNum;
201 }
202 }
203 }