1/* 2 * Copyright (c) 2006, 2014, 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 31import static java.util.concurrent.Executors.callable; 32import static java.util.concurrent.Executors.defaultThreadFactory; 33import static java.util.concurrent.Executors.newCachedThreadPool; 34import static java.util.concurrent.Executors.newFixedThreadPool; 35import static java.util.concurrent.Executors.newScheduledThreadPool; 36import static java.util.concurrent.Executors.newSingleThreadExecutor; 37import static java.util.concurrent.Executors.newSingleThreadScheduledExecutor; 38import static java.util.concurrent.Executors.privilegedCallable; 39import static java.util.concurrent.Executors.unconfigurableExecutorService; 40import static java.util.concurrent.Executors.unconfigurableScheduledExecutorService; 41 42import java.security.PrivilegedAction; 43import java.security.PrivilegedExceptionAction; 44import java.util.concurrent.Callable; 45import java.util.concurrent.RejectedExecutionHandler; 46import java.util.concurrent.ScheduledThreadPoolExecutor; 47import java.util.concurrent.ThreadPoolExecutor; 48import java.util.concurrent.ThreadFactory; 49 50public class Throws { 51 private static void realMain(String[] args) throws Throwable { 52 final ThreadFactory fac = defaultThreadFactory(); 53 final ThreadFactory nullFactory = null; 54 final RejectedExecutionHandler reh 55 = new RejectedExecutionHandler() { 56 public void rejectedExecution(Runnable r, 57 ThreadPoolExecutor executor) {}}; 58 final RejectedExecutionHandler nullHandler = null; 59 60 THROWS(NullPointerException.class, 61 () -> newFixedThreadPool(3, null), 62 () -> newCachedThreadPool(null), 63 () -> newSingleThreadScheduledExecutor(null), 64 () -> newScheduledThreadPool(0, null), 65 () -> unconfigurableExecutorService(null), 66 () -> unconfigurableScheduledExecutorService(null), 67 () -> callable(null, "foo"), 68 () -> callable((Runnable) null), 69 () -> callable((PrivilegedAction<?>) null), 70 () -> callable((PrivilegedExceptionAction<?>) null), 71 () -> privilegedCallable((Callable<?>) null), 72 () -> new ScheduledThreadPoolExecutor(0, nullFactory), 73 () -> new ScheduledThreadPoolExecutor(0, nullFactory, reh), 74 () -> new ScheduledThreadPoolExecutor(0, fac, nullHandler)); 75 76 THROWS(IllegalArgumentException.class, 77 () -> newFixedThreadPool(-42), 78 () -> newFixedThreadPool(0), 79 () -> newFixedThreadPool(-42, fac), 80 () -> newFixedThreadPool(0, fac), 81 () -> newScheduledThreadPool(-42), 82 () -> new ScheduledThreadPoolExecutor(-42), 83 () -> new ScheduledThreadPoolExecutor(-42, reh), 84 () -> new ScheduledThreadPoolExecutor(-42, fac, reh)); 85 86 try { newFixedThreadPool(1).shutdownNow(); pass(); } 87 catch (Throwable t) { unexpected(t); } 88 89 try { newFixedThreadPool(1, fac).shutdownNow(); pass(); } 90 catch (Throwable t) { unexpected(t); } 91 92 try { newSingleThreadExecutor().shutdownNow(); pass(); } 93 catch (Throwable t) { unexpected(t); } 94 95 try { newCachedThreadPool().shutdownNow(); pass(); } 96 catch (Throwable t) { unexpected(t); } 97 98 try { newSingleThreadScheduledExecutor().shutdownNow(); pass(); } 99 catch (Throwable t) { unexpected(t); } 100 101 try { newSingleThreadScheduledExecutor(fac).shutdownNow(); pass(); } 102 catch (Throwable t) { unexpected(t); } 103 104 try { newScheduledThreadPool(0).shutdownNow(); pass(); } 105 catch (Throwable t) { unexpected(t); } 106 107 try { newScheduledThreadPool(0, fac).shutdownNow(); pass(); } 108 catch (Throwable t) { unexpected(t); } 109 110 try { new ScheduledThreadPoolExecutor(0).shutdownNow(); pass(); } 111 catch (Throwable t) { unexpected(t); } 112 113 try { new ScheduledThreadPoolExecutor(0, fac).shutdownNow(); pass(); } 114 catch (Throwable t) { unexpected(t); } 115 116 try { new ScheduledThreadPoolExecutor(0, fac, reh).shutdownNow(); pass(); } 117 catch (Throwable t) { unexpected(t); } 118 119 } 120 121 //--------------------- Infrastructure --------------------------- 122 static volatile int passed = 0, failed = 0; 123 static void pass() {passed++;} 124 static void fail() {failed++; Thread.dumpStack();} 125 static void fail(String msg) {System.out.println(msg); fail();} 126 static void unexpected(Throwable t) {failed++; t.printStackTrace();} 127 static void check(boolean cond) {if (cond) pass(); else fail();} 128 static void equal(Object x, Object y) { 129 if (x == null ? y == null : x.equals(y)) pass(); 130 else fail(x + " not equal to " + y);} 131 public static void main(String[] args) throws Throwable { 132 try {realMain(args);} catch (Throwable t) {unexpected(t);} 133 System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed); 134 if (failed > 0) throw new AssertionError("Some tests failed");} 135 interface Fun {void f() throws Throwable;} 136 static void THROWS(Class<? extends Throwable> k, Fun... fs) { 137 for (Fun f : fs) 138 try { f.f(); fail("Expected " + k.getName() + " not thrown"); } 139 catch (Throwable t) { 140 if (k.isAssignableFrom(t.getClass())) pass(); 141 else unexpected(t);}} 142} 143