1 /*

     2  * Copyright 2006 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  */

    23 

    24 /*

    25  * @test

    26  * @bug 6398290

    27  * @summary Check Executors/STPE Exception specifications

    28  * @author Martin Buchholz

    29  */

    30 

    31 import java.io.*;

    32 import java.util.*;

    33 import java.util.concurrent.*;

    34 import static java.util.concurrent.Executors.*;

    35 import java.security.PrivilegedAction;

    36 import java.security.PrivilegedExceptionAction;

    37 

    38 public class Throws {

    39     private static void realMain(String[] args) throws Throwable {

    40         final ThreadFactory fac = defaultThreadFactory();

    41         final ThreadFactory nullFactory = null;

    42         final RejectedExecutionHandler reh

    43             = new RejectedExecutionHandler() {

    44                     public void rejectedExecution(Runnable r,

    45                                                   ThreadPoolExecutor executor) {}};

    46         final RejectedExecutionHandler nullHandler = null;

    47 

    48         THROWS(

    49             NullPointerException.class,

    50             new Fun(){void f(){ newFixedThreadPool(3, null); }},

    51             new Fun(){void f(){ newCachedThreadPool(null); }},

    52             new Fun(){void f(){ newSingleThreadScheduledExecutor(null); }},

    53             new Fun(){void f(){ newScheduledThreadPool(0, null); }},

    54             new Fun(){void f(){ unconfigurableExecutorService(null); }},

    55             new Fun(){void f(){ unconfigurableScheduledExecutorService(null); }},

    56             new Fun(){void f(){ callable(null, "foo"); }},

    57             new Fun(){void f(){ callable((Runnable) null); }},

    58             new Fun(){void f(){ callable((PrivilegedAction<?>) null); }},

    59             new Fun(){void f(){ callable((PrivilegedExceptionAction<?>) null); }},

    60             new Fun(){void f(){ privilegedCallable((Callable<?>) null); }},

    61             new Fun(){void f(){ new ScheduledThreadPoolExecutor(0, nullFactory); }},

    62             new Fun(){void f(){ new ScheduledThreadPoolExecutor(0, nullFactory, reh); }},

    63             new Fun(){void f(){ new ScheduledThreadPoolExecutor(0, fac, nullHandler); }});

    64 

    65         THROWS(

    66             IllegalArgumentException.class,

    67             new Fun(){void f(){ newFixedThreadPool(-42); }},

    68             new Fun(){void f(){ newFixedThreadPool(0)  ; }},

    69             new Fun(){void f(){ newFixedThreadPool(-42, fac); }},

    70             new Fun(){void f(){ newFixedThreadPool(0,   fac); }},

    71             new Fun(){void f(){ newScheduledThreadPool(-42); }},

    72             new Fun(){void f(){ new ScheduledThreadPoolExecutor(-42); }},

    73             new Fun(){void f(){ new ScheduledThreadPoolExecutor(-42, reh); }},

    74             new Fun(){void f(){ new ScheduledThreadPoolExecutor(-42, fac, reh); }});

    75 

    76         try { newFixedThreadPool(1).shutdownNow(); pass(); }

    77         catch (Throwable t) { unexpected(t); }

    78 

    79         try { newFixedThreadPool(1, fac).shutdownNow(); pass(); }

    80         catch (Throwable t) { unexpected(t); }

    81 

    82         try { newSingleThreadExecutor().shutdownNow(); pass(); }

    83         catch (Throwable t) { unexpected(t); }

    84 

    85         try { newCachedThreadPool().shutdownNow(); pass(); }

    86         catch (Throwable t) { unexpected(t); }

    87 

    88         try { newSingleThreadScheduledExecutor().shutdownNow(); pass(); }

    89         catch (Throwable t) { unexpected(t); }

    90 

    91         try { newSingleThreadScheduledExecutor(fac).shutdownNow(); pass(); }

    92         catch (Throwable t) { unexpected(t); }

    93 

    94         try { newScheduledThreadPool(0).shutdownNow(); pass(); }

    95         catch (Throwable t) { unexpected(t); }

    96 

    97         try { newScheduledThreadPool(0, fac).shutdownNow(); pass(); }

    98         catch (Throwable t) { unexpected(t); }

    99 

   100         try { new ScheduledThreadPoolExecutor(0).shutdownNow(); pass(); }

   101         catch (Throwable t) { unexpected(t); }

   102 

   103         try { new ScheduledThreadPoolExecutor(0, fac).shutdownNow(); pass(); }

   104         catch (Throwable t) { unexpected(t); }

   105 

   106         try { new ScheduledThreadPoolExecutor(0, fac, reh).shutdownNow(); pass(); }

   107         catch (Throwable t) { unexpected(t); }

   108 

   109     }

   110 

   111     //--------------------- Infrastructure ---------------------------

   112     static volatile int passed = 0, failed = 0;

   113     static void pass() {passed++;}

   114     static void fail() {failed++; Thread.dumpStack();}

   115     static void fail(String msg) {System.out.println(msg); fail();}

   116     static void unexpected(Throwable t) {failed++; t.printStackTrace();}

   117     static void check(boolean cond) {if (cond) pass(); else fail();}

   118     static void equal(Object x, Object y) {

   119         if (x == null ? y == null : x.equals(y)) pass();

   120         else fail(x + " not equal to " + y);}

   121     public static void main(String[] args) throws Throwable {

   122         try {realMain(args);} catch (Throwable t) {unexpected(t);}

   123         System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed);

   124         if (failed > 0) throw new AssertionError("Some tests failed");}

   125     private static abstract class Fun {abstract void f() throws Throwable;}

   126     static void THROWS(Class<? extends Throwable> k, Fun... fs) {

   127         for (Fun f : fs)

   128             try { f.f(); fail("Expected " + k.getName() + " not thrown"); }

   129             catch (Throwable t) {

   130                 if (k.isAssignableFrom(t.getClass())) pass();

   131                 else unexpected(t);}}

   132 }