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 

    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         static final 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         static final 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         static final 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 }