@Test
public void testRegisterChannelDuplexWithSelectableChannel()
throws Exception {
// Normal register, with selectable channel
SocketChannel[] peerSocketChannels =
IntrabandTestUtil.createSocketChannelPeers();
SocketChannel socketChannel = peerSocketChannels[0];
socketChannel.configureBlocking(true);
try {
FutureRegistrationReference futureRegistrationReference =
(
@Test
public void testRegisterChannelDuplex() throws Exception {
// Channel is null
try {
_selectorIntraband.registerChannel(null);
Assert.fail();
} catch (NullPointerException npe) {
Assert.assertEquals("Channel is null", npe.getMessage());
}
// Channel is not of type GatheringByteChannel
try {
_selectorIntraband.registerChannel(IntrabandTestUtil.<Channel>createProxy(Channel.class));
Assert.fail();
} catch (IllegalArgumentException iae) {
Assert.assertEquals("Channel is not of type GatheringByteChannel", iae.getMessage());
}
// Channel is not of type ScatteringByteChannel
try {
_selectorIntraband.registerChannel(
IntrabandTestUtil.<Channel>createProxy(GatheringByteChannel.class));
Assert.fail();
} catch (IllegalArgumentException iae) {
Assert.assertEquals("Channel is not of type ScatteringByteChannel", iae.getMessage());
}
// Channel is not of type SelectableChannel
try {
_selectorIntraband.registerChannel(
IntrabandTestUtil.<Channel>createProxy(
ScatteringByteChannel.class, GatheringByteChannel.class));
Assert.fail();
} catch (IllegalArgumentException iae) {
Assert.assertEquals("Channel is not of type SelectableChannel", iae.getMessage());
}
// Channel is not valid for reading
try {
_selectorIntraband.registerChannel(new MockDuplexSelectableChannel(false, true));
Assert.fail();
} catch (IllegalArgumentException iae) {
Assert.assertEquals("Channel is not valid for reading", iae.getMessage());
}
// Channel is not valid for writing
try {
_selectorIntraband.registerChannel(new MockDuplexSelectableChannel(true, false));
Assert.fail();
} catch (IllegalArgumentException iae) {
Assert.assertEquals("Channel is not valid for writing", iae.getMessage());
}
SocketChannel[] peerSocketChannels = IntrabandTestUtil.createSocketChannelPeers();
try {
SocketChannel socketChannel = peerSocketChannels[0];
// Interruptted on register
final Thread mainThread = Thread.currentThread();
Thread wakeUpThread = new Thread(new WakeUpRunnable(_selectorIntraband));
Thread interruptThread =
new Thread() {
@Override
public void run() {
while (mainThread.getState() != Thread.State.WAITING) ;
mainThread.interrupt();
}
};
wakeUpThread.start();
Selector selector = _selectorIntraband.selector;
synchronized (selector) {
wakeUpThread.interrupt();
wakeUpThread.join();
interruptThread.start();
try {
_selectorIntraband.registerChannel(socketChannel);
Assert.fail();
} catch (IOException ioe) {
Throwable cause = ioe.getCause();
Assert.assertTrue(cause instanceof InterruptedException);
}
interruptThread.join();
}
_selectorIntraband.close();
_selectorIntraband = new SelectorIntraband(_DEFAULT_TIMEOUT);
// Normal register
SelectionKeyRegistrationReference selectionKeyRegistrationReference =
(SelectionKeyRegistrationReference) _selectorIntraband.registerChannel(socketChannel);
Assert.assertNotNull(selectionKeyRegistrationReference);
Assert.assertSame(
selectionKeyRegistrationReference.readSelectionKey,
selectionKeyRegistrationReference.writeSelectionKey);
SelectionKey selectionKey = selectionKeyRegistrationReference.readSelectionKey;
Assert.assertTrue(selectionKey.isValid());
Assert.assertEquals(SelectionKey.OP_READ, selectionKey.interestOps());
Assert.assertNotNull(selectionKey.attachment());
selectionKey.interestOps(SelectionKey.OP_READ | SelectionKey.OP_WRITE);
selector = _selectorIntraband.selector;
selector.wakeup();
while (selectionKey.interestOps() != SelectionKey.OP_READ) ;
// Concurrent cancelling
wakeUpThread = new Thread(new WakeUpRunnable(_selectorIntraband));
wakeUpThread.start();
synchronized (selector) {
wakeUpThread.interrupt();
wakeUpThread.join();
selectionKey.interestOps(SelectionKey.OP_READ | SelectionKey.OP_WRITE);
SocketChannel peerSocketChannel = peerSocketChannels[1];
peerSocketChannel.write(ByteBuffer.allocate(1));
Socket socket = peerSocketChannel.socket();
socket.shutdownOutput();
}
while (selectionKey.isValid()) ;
// Register after close
_selectorIntraband.close();
try {
_selectorIntraband.registerChannel(socketChannel);
Assert.fail();
} catch (ClosedIntrabandException cibe) {
}
} finally {
peerSocketChannels[0].close();
peerSocketChannels[1].close();
}
}
@Test
public void testRegisterChannelDuplexWithErrors() throws Exception {
// Channel is null
try {
_executorIntraband.registerChannel(null);
Assert.fail();
}
catch (NullPointerException npe) {
Assert.assertEquals("Channel is null", npe.getMessage());
}
// Channel is not of type GatheringByteChannel
try {
_executorIntraband.registerChannel(
IntrabandTestUtil.<Channel>createProxy(Channel.class));
Assert.fail();
}
catch (IllegalArgumentException iae) {
Assert.assertEquals(
"Channel is not of type GatheringByteChannel",
iae.getMessage());
}
// Channel is not of type ScatteringByteChannel
try {
_executorIntraband.registerChannel(
IntrabandTestUtil.<Channel>createProxy(
GatheringByteChannel.class));
Assert.fail();
}
catch (IllegalArgumentException iae) {
Assert.assertEquals(
"Channel is not of type ScatteringByteChannel",
iae.getMessage());
}
// Channel is of type SelectableChannel and configured in nonblocking
// mode
SocketChannel[] peerSocketChannels =
IntrabandTestUtil.createSocketChannelPeers();
SocketChannel socketChannel = peerSocketChannels[0];
socketChannel.configureBlocking(false);
try {
_executorIntraband.registerChannel(socketChannel);
Assert.fail();
}
catch (IllegalArgumentException iae) {
Assert.assertEquals(
"Channel is of type SelectableChannel and configured in " +
"nonblocking mode",
iae.getMessage());
}
}