1 /* 2 * Copyright (c) 2006, 2010, 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 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 abstract static 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 }