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 static final int N_LOOPS = 500000; // # of race loops 42 private static final int N_SECS = 15; // # of secs to run test 43 // # of parallel threads; must match number of MyResources inner classes 44 private static final int N_THREADS = 3; 45 46 private static final String LOGGER_PREFIX = "myLogger-"; 47 private static final String RESOURCE_PREFIX 48 = "LoggerResourceBundleRace$MyResources"; 49 // these counters are AtomicInteger since any worker thread can increment 50 private static final AtomicInteger iaeCnt = new AtomicInteger(); 51 private static final AtomicInteger worksCnt = new AtomicInteger(); 52 53 Logger dummy; // dummy Logger 54 LoggerResourceBundleRace(String name, int n_threads, int n_loops, int n_secs)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 // main(String[] args)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 oneTimeDriverInit(DriverThread dt)78 public void oneTimeDriverInit(DriverThread dt) { 79 super.oneTimeDriverInit(dt); 80 dummy = null; 81 } 82 perRaceDriverInit(DriverThread dt)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 executeRace(WorkerThread wt)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 checkRaceResults(DriverThread dt)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 oneTimeDriverEpilog(DriverThread dt)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 static final Object[][] contents = { 160 {"sample1", "translation #1 for sample1"}, 161 {"sample2", "translation #1 for sample2"}, 162 }; 163 getContents()164 public Object[][] getContents() { 165 return contents; 166 } 167 } 168 169 public static class MyResources1 extends ListResourceBundle { 170 static final Object[][] contents = { 171 {"sample1", "translation #2 for sample1"}, 172 {"sample2", "translation #2 for sample2"}, 173 }; 174 getContents()175 public Object[][] getContents() { 176 return contents; 177 } 178 } 179 180 public static class MyResources2 extends ListResourceBundle { 181 static final Object[][] contents = { 182 {"sample1", "translation #3 for sample1"}, 183 {"sample2", "translation #3 for sample2"}, 184 }; 185 getContents()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 MyWorkerThread(int workerNum, RacingThreadsTest test)197 MyWorkerThread(int workerNum, RacingThreadsTest test) { 198 super(workerNum, test); 199 200 rbName = RESOURCE_PREFIX + workerNum; 201 } 202 } 203 } 204