author | alanb |
Tue, 02 Nov 2010 10:05:42 +0000 | |
changeset 7044 | b22b6b6548b5 |
parent 5506 | 202f599c92aa |
child 7668 | d4a77089c587 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2008, 2009, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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/* @test |
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* @bug 4607272 |
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* @summary Unit test for AsynchronousChannelGroup |
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* @build Basic |
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* @run main/othervm -XX:-UseVMInterruptibleIO Basic |
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*/ |
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import java.nio.ByteBuffer; |
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import java.nio.channels.*; |
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import java.net.*; |
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import java.util.*; |
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import java.util.concurrent.*; |
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import java.io.IOException; |
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public class Basic { |
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static final Random rand = new Random(); |
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static final ThreadFactory threadFactory = new ThreadFactory() { |
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@Override |
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public Thread newThread(final Runnable r) { |
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return new Thread(r); |
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}}; |
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public static void main(String[] args) throws Exception { |
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shutdownTests(); |
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shutdownNowTests(); |
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afterShutdownTests(); |
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miscTests(); |
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} |
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static void shutdownTests() throws Exception { |
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System.out.println("-- test shutdown --"); |
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// test shutdown with no channels in groups |
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for (int i=0; i<500; i++) { |
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ExecutorService pool = null; |
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AsynchronousChannelGroup group; |
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if (rand.nextBoolean()) { |
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pool = Executors.newCachedThreadPool(); |
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group = AsynchronousChannelGroup.withCachedThreadPool(pool, rand.nextInt(5)); |
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} else { |
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int nThreads = 1 + rand.nextInt(8); |
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group = AsynchronousChannelGroup.withFixedThreadPool(nThreads, threadFactory); |
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} |
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group.shutdown(); |
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if (!group.isShutdown()) |
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throw new RuntimeException("Group should be shutdown"); |
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// group should terminate quickly |
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boolean terminated = group.awaitTermination(3, TimeUnit.SECONDS); |
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if (!terminated) |
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throw new RuntimeException("Group should have terminated"); |
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if (pool != null && !pool.isTerminated()) |
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throw new RuntimeException("Executor should have terminated"); |
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} |
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// shutdown with channel in group |
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for (int i=0; i<500; i++) { |
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ExecutorService pool = null; |
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AsynchronousChannelGroup group; |
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if (rand.nextBoolean()) { |
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pool = Executors.newCachedThreadPool(); |
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group = AsynchronousChannelGroup.withCachedThreadPool(pool, rand.nextInt(10)); |
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} else { |
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int nThreads = 1 + rand.nextInt(8); |
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group = AsynchronousChannelGroup.withFixedThreadPool(nThreads, threadFactory); |
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} |
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// create channel that is bound to group |
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AsynchronousChannel ch; |
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switch (rand.nextInt(2)) { |
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case 0 : ch = AsynchronousSocketChannel.open(group); break; |
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case 1 : ch = AsynchronousServerSocketChannel.open(group); break; |
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default : throw new AssertionError(); |
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} |
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group.shutdown(); |
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if (!group.isShutdown()) |
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throw new RuntimeException("Group should be shutdown"); |
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// last channel so should terminate after this channel is closed |
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ch.close(); |
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// group should terminate quickly |
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boolean terminated = group.awaitTermination(3, TimeUnit.SECONDS); |
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if (!terminated) |
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throw new RuntimeException("Group should have terminated"); |
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if (pool != null && !pool.isTerminated()) |
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throw new RuntimeException("Executor should have terminated"); |
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} |
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} |
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static void shutdownNowTests() throws Exception { |
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System.out.println("-- test shutdownNow --"); |
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for (int i=0; i< 10; i++) { |
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ExecutorService pool = null; |
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AsynchronousChannelGroup group; |
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119 |
if (rand.nextBoolean()) { |
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pool = Executors.newCachedThreadPool(); |
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group = AsynchronousChannelGroup |
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122 |
.withCachedThreadPool(pool, rand.nextInt(5)); |
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123 |
} else { |
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124 |
int nThreads = 1 + rand.nextInt(8); |
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125 |
group = AsynchronousChannelGroup |
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126 |
.withFixedThreadPool(nThreads, threadFactory); |
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127 |
} |
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128 |
|
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129 |
// I/O in progress |
7044 | 130 |
AsynchronousServerSocketChannel ch = AsynchronousServerSocketChannel |
131 |
.open(group).bind(new InetSocketAddress(0)); |
|
132 |
ch.accept(); |
|
2057
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133 |
|
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134 |
// forceful shutdown |
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135 |
group.shutdownNow(); |
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136 |
|
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137 |
// shutdownNow is required to close all channels |
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138 |
if (ch.isOpen()) |
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139 |
throw new RuntimeException("Channel should be closed"); |
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140 |
|
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141 |
boolean terminated = group.awaitTermination(3, TimeUnit.SECONDS); |
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142 |
if (!terminated) |
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|
143 |
throw new RuntimeException("Group should have terminated"); |
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144 |
if (pool != null && !pool.isTerminated()) |
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145 |
throw new RuntimeException("Executor should have terminated"); |
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146 |
} |
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147 |
} |
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|
148 |
|
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149 |
// test creating channels in group after group is shutdown |
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150 |
static void afterShutdownTests() throws Exception { |
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151 |
System.out.println("-- test operations after group is shutdown --"); |
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152 |
AsynchronousChannelGroup group = |
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153 |
AsynchronousChannelGroup.withFixedThreadPool(1, threadFactory); |
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|
154 |
|
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155 |
AsynchronousSocketChannel ch = AsynchronousSocketChannel.open(group); |
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156 |
AsynchronousServerSocketChannel listener = AsynchronousServerSocketChannel.open(group); |
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|
157 |
|
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|
158 |
// initiate accept |
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|
159 |
listener.bind(new InetSocketAddress(0)); |
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|
160 |
Future<AsynchronousSocketChannel> result = listener.accept(); |
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|
161 |
|
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|
162 |
// shutdown group |
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|
163 |
group.shutdown(); |
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|
164 |
if (!group.isShutdown()) |
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|
165 |
throw new RuntimeException("Group should be shutdown"); |
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|
166 |
|
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|
167 |
// attempt to create another channel |
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|
168 |
try { |
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|
169 |
AsynchronousSocketChannel.open(group); |
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|
170 |
throw new RuntimeException("ShutdownChannelGroupException expected"); |
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|
171 |
} catch (ShutdownChannelGroupException x) { |
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|
172 |
} |
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|
173 |
try { |
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|
174 |
AsynchronousServerSocketChannel.open(group); |
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|
175 |
throw new RuntimeException("ShutdownChannelGroupException expected"); |
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|
176 |
} catch (ShutdownChannelGroupException x) { |
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|
177 |
} |
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|
178 |
|
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|
179 |
// attempt to create another channel by connecting. This should cause |
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|
180 |
// the accept operation to fail. |
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|
181 |
InetAddress lh = InetAddress.getLocalHost(); |
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|
182 |
int port = ((InetSocketAddress)listener.getLocalAddress()).getPort(); |
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|
183 |
InetSocketAddress isa = new InetSocketAddress(lh, port); |
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|
184 |
ch.connect(isa).get(); |
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|
185 |
try { |
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|
186 |
result.get(); |
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|
187 |
throw new RuntimeException("Connection was accepted"); |
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|
188 |
} catch (ExecutionException x) { |
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|
189 |
Throwable cause = x.getCause(); |
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|
190 |
if (!(cause instanceof IOException)) |
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|
191 |
throw new RuntimeException("Cause should be IOException"); |
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|
192 |
cause = cause.getCause(); |
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|
193 |
if (!(cause instanceof ShutdownChannelGroupException)) |
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|
194 |
throw new RuntimeException("IOException cause should be ShutdownChannelGroupException"); |
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|
195 |
} |
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|
196 |
|
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|
197 |
// initiate another accept even though channel group is shutdown. |
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|
198 |
Future<AsynchronousSocketChannel> res = listener.accept(); |
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|
199 |
try { |
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|
200 |
res.get(3, TimeUnit.SECONDS); |
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|
201 |
throw new RuntimeException("TimeoutException expected"); |
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|
202 |
} catch (TimeoutException x) { |
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parents:
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|
203 |
} |
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|
204 |
// connect to the listener which should cause the accept to complete |
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|
205 |
AsynchronousSocketChannel.open().connect(isa); |
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|
206 |
try { |
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|
207 |
res.get(); |
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|
208 |
throw new RuntimeException("Connection was accepted"); |
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|
209 |
} catch (ExecutionException x) { |
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|
210 |
Throwable cause = x.getCause(); |
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|
211 |
if (!(cause instanceof IOException)) |
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|
212 |
throw new RuntimeException("Cause should be IOException"); |
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|
213 |
cause = cause.getCause(); |
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|
214 |
if (!(cause instanceof ShutdownChannelGroupException)) |
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|
215 |
throw new RuntimeException("IOException cause should be ShutdownChannelGroupException"); |
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|
216 |
} |
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|
217 |
|
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|
218 |
// group should *not* terminate as channels are open |
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|
219 |
boolean terminated = group.awaitTermination(3, TimeUnit.SECONDS); |
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|
220 |
if (terminated) |
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|
221 |
throw new RuntimeException("Group should not have terminated"); |
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|
222 |
|
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|
223 |
// close channel; group should terminate quickly |
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|
224 |
ch.close(); |
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|
225 |
listener.close(); |
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|
226 |
terminated = group.awaitTermination(3, TimeUnit.SECONDS); |
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|
227 |
if (!terminated) |
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|
228 |
throw new RuntimeException("Group should have terminated"); |
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|
229 |
} |
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|
230 |
|
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|
231 |
static void miscTests() throws Exception { |
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|
232 |
System.out.println("-- miscellenous tests --"); |
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|
233 |
try { |
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|
234 |
AsynchronousChannelGroup.withFixedThreadPool(1, null); |
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|
235 |
throw new RuntimeException("NPE expected"); |
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6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
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236 |
} catch (NullPointerException x) { |
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6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
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237 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
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changeset
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238 |
try { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
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239 |
AsynchronousChannelGroup.withFixedThreadPool(0, threadFactory); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
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240 |
throw new RuntimeException("IAE expected"); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
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changeset
|
241 |
} catch (IllegalArgumentException e) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
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changeset
|
242 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
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changeset
|
243 |
try { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
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244 |
AsynchronousChannelGroup.withCachedThreadPool(null, 0); |
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6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
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245 |
throw new RuntimeException("NPE expected"); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
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changeset
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246 |
} catch (NullPointerException x) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
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changeset
|
247 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
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changeset
|
248 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
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249 |
} |