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apache / harmony-classlib / 197f01d94ea66abe7f4d589349a6abe2992f9fc1 / . / modules / nio / src / test / java / common / org / apache / harmony / nio / tests / java / nio / channels / DatagramChannelTest.java
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.harmony.nio.tests.java.nio.channels;
import java.io.IOException;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.SocketAddress;
import java.net.SocketException;
import java.nio.ByteBuffer;
import java.nio.channels.AsynchronousCloseException;
import java.nio.channels.ClosedChannelException;
import java.nio.channels.DatagramChannel;
import java.nio.channels.IllegalBlockingModeException;
import java.nio.channels.NotYetConnectedException;
import java.nio.channels.UnresolvedAddressException;
import java.nio.channels.UnsupportedAddressTypeException;
import java.nio.channels.spi.SelectorProvider;
import java.security.Permission;
import junit.framework.TestCase;
import tests.support.Support_PortManager;
/**
* Test for DatagramChannel
*
*/
public class DatagramChannelTest extends TestCase {
private static final int CAPACITY_NORMAL = 200;
private static final int CAPACITY_1KB = 1024;
private static final int CAPACITY_64KB = 65536;
private static final int CAPACITY_ZERO = 0;
private static final int CAPACITY_ONE = 1;
private static final int TIME_UNIT = 500;
private InetSocketAddress localAddr1;
private InetSocketAddress localAddr2;
private DatagramChannel channel1;
private DatagramChannel channel2;
private DatagramSocket datagramSocket1;
private DatagramSocket datagramSocket2;
// The port to be used in test cases.
private int testPort;
protected void setUp() throws Exception {
super.setUp();
this.channel1 = DatagramChannel.open();
this.channel2 = DatagramChannel.open();
int[] ports = Support_PortManager.getNextPortsForUDP(5);
this.localAddr1 = new InetSocketAddress("127.0.0.1", ports[0]);
this.localAddr2 = new InetSocketAddress("127.0.0.1", ports[1]);
this.datagramSocket1 = new DatagramSocket(ports[2]);
this.datagramSocket2 = new DatagramSocket(ports[3]);
testPort = ports[4];
}
protected void tearDown() throws Exception {
if (null != this.channel1) {
try {
this.channel1.close();
} catch (Exception e) {
//ignore
}
}
if (null != this.channel2) {
try {
this.channel2.close();
} catch (Exception e) {
//ignore
}
}
if (null != this.datagramSocket1) {
try {
this.datagramSocket1.close();
} catch (Exception e) {
//ignore
}
}
if (null != this.datagramSocket2) {
try {
this.datagramSocket2.close();
} catch (Exception e) {
//ignore
}
}
localAddr1 = null;
localAddr2 = null;
super.tearDown();
}
// -------------------------------------------------------------------
// Test for methods in abstract class.
// -------------------------------------------------------------------
/*
* Test method for 'java.nio.channels.DatagramChannel.validOps()'
*/
public void testValidOps() {
MockDatagramChannel testMock = new MockDatagramChannel(SelectorProvider
.provider());
MockDatagramChannel testMocknull = new MockDatagramChannel(null);
int val = this.channel1.validOps();
assertEquals(5, val);
assertEquals(val, testMock.validOps());
assertEquals(val, testMocknull.validOps());
}
/*
* Test method for 'java.nio.channels.DatagramChannel.open()'
*/
public void testOpen() {
MockDatagramChannel testMock = new MockDatagramChannel(SelectorProvider
.provider());
MockDatagramChannel testMocknull = new MockDatagramChannel(null);
assertNull(testMocknull.provider());
assertNotNull(testMock.provider());
assertEquals(this.channel1.provider(), testMock.provider());
assertEquals(5, testMock.validOps());
}
/*
* Test method for 'java.nio.channels.DatagramChannel.read(ByteBuffer)'
*/
public void testReadByteBufferArray() throws IOException {
final int testNum = 0;
long readres = testNum;
MockDatagramChannel testMock = new MockDatagramChannel(SelectorProvider
.provider());
MockDatagramChannel testMocknull = new MockDatagramChannel(null);
int bufSize = 10;
ByteBuffer[] readBuf = null;
try {
this.channel1.read(readBuf);
fail("Should throw NPE");
} catch (NullPointerException e) {
// correct
}
try {
readres = testMock.read(readBuf);
fail("Should throw NPE");
} catch (NullPointerException e) {
// correct
}
readBuf = new ByteBuffer[bufSize];
try {
readres = this.channel1.read(readBuf);
fail("Should throw NotYetConnectedException");
} catch (NotYetConnectedException e) {
// correct
}
readres = testMock.read(readBuf);
assertEquals(testNum, readres);
readres = testMocknull.read(readBuf);
assertEquals(testNum, readres);
}
/*
* Test method for 'java.nio.channels.DatagramChannel.read(ByteBuffer)'
*/
public void testReadByteBufferArray_BufNull() throws IOException {
MockDatagramChannel testMock = new MockDatagramChannel(SelectorProvider
.provider());
MockDatagramChannel testMocknull = new MockDatagramChannel(null);
ByteBuffer[] readBuf = null;
try {
this.channel1.read(readBuf);
fail("Should throw NPE");
} catch (NullPointerException e) {
// correct
}
try {
testMock.read(readBuf);
fail("Should throw NPE");
} catch (NullPointerException e) {
// correct
}
try {
testMocknull.read(readBuf);
fail("Should throw NPE");
} catch (NullPointerException e) {
// correct
}
}
/*
* Test method for 'java.nio.channels.DatagramChannel.write(ByteBuffer)'
*/
public void testWriteByteBuffer() throws IOException {
MockDatagramChannel testMock = new MockDatagramChannel(SelectorProvider
.provider());
MockDatagramChannel testMocknull = new MockDatagramChannel(null);
int bufSize = 10;
ByteBuffer[] readBuf = null;
try {
this.channel1.write(readBuf);
fail("Should throw NPE");
} catch (NullPointerException e) {
// correct
}
try {
testMock.write(readBuf);
fail("Should throw NPE");
} catch (NullPointerException e) {
// correct
}
readBuf = new ByteBuffer[bufSize];
try {
this.channel1.write(readBuf);
fail("Should throw NotYetConnectedException");
} catch (NotYetConnectedException e) {
// correct
}
long writeres = 0;
writeres = testMock.write(readBuf);
assertEquals(0, writeres);
writeres = testMocknull.write(readBuf);
assertEquals(0, writeres);
}
/*
* Test method for 'java.nio.channels.DatagramChannel.write(ByteBuffer)'
*/
public void testWriteByteBuffer_Bufnull() throws IOException {
MockDatagramChannel testMock = new MockDatagramChannel(SelectorProvider
.provider());
MockDatagramChannel testMocknull = new MockDatagramChannel(null);
ByteBuffer[] readBuf = null;
try {
this.channel1.write(readBuf);
fail("Should throw NPE");
} catch (NullPointerException e) {
// correct
}
try {
testMock.write(readBuf);
fail("Should throw NPE");
} catch (NullPointerException e) {
// correct
}
try {
testMocknull.write(readBuf);
fail("Should throw NPE");
} catch (NullPointerException e) {
// correct
}
}
// -------------------------------------------------------------------
// Test for socket()
// -------------------------------------------------------------------
/**
* Test method for 'DatagramChannelImpl.socket()'
*
* @throws SocketException
*/
public void testSocket_BasicStatusBeforeConnect() throws SocketException {
assertFalse(this.channel1.isConnected());// not connected
DatagramSocket s1 = this.channel1.socket();
assertSocketBeforeConnect(s1);
DatagramSocket s2 = this.channel1.socket();
// same
assertSame(s1, s2);
}
/**
* Test method for 'DatagramChannelImpl.socket()'
*
* @throws IOException
*/
public void testSocket_Block_BasicStatusAfterConnect() throws IOException {
this.channel1.connect(localAddr1);
DatagramSocket s1 = this.channel1.socket();
assertSocketAfterConnect(s1);
DatagramSocket s2 = this.channel1.socket();
// same
assertSame(s1, s2);
}
public void testSocket_NonBlock_BasicStatusAfterConnect()
throws IOException {
this.channel1.connect(localAddr1);
this.channel1.configureBlocking(false);
DatagramSocket s1 = this.channel1.socket();
assertSocketAfterConnect(s1);
DatagramSocket s2 = this.channel1.socket();
// same
assertSame(s1, s2);
}
/**
* Test method for 'DatagramChannelImpl.socket()'
*
* @throws IOException
*/
public void testSocket_ActionsBeforeConnect() throws IOException {
assertFalse(this.channel1.isConnected());// not connected
DatagramSocket s = this.channel1.socket();
assertSocketActionBeforeConnect(s);
}
/**
* Test method for 'DatagramChannelImpl.socket()'
*
* @throws IOException
*/
public void testSocket_Block_ActionsAfterConnect() throws IOException {
assertFalse(this.channel1.isConnected());// not connected
this.channel1.connect(localAddr1);
DatagramSocket s = this.channel1.socket();
assertSocketActionAfterConnect(s);
}
public void testSocket_NonBlock_ActionsAfterConnect() throws IOException {
this.channel1.connect(localAddr1);
this.channel1.configureBlocking(false);
DatagramSocket s = this.channel1.socket();
assertSocketActionAfterConnect(s);
}
private void assertSocketBeforeConnect(DatagramSocket s)
throws SocketException {
assertFalse(s.isBound());
assertFalse(s.isClosed());
assertFalse(s.isConnected());
assertFalse(s.getBroadcast());
assertFalse(s.getReuseAddress());
assertNull(s.getInetAddress());
assertEquals(s.getLocalAddress().getHostAddress(), "0.0.0.0");
assertEquals(s.getLocalPort(), 0);
assertNull(s.getLocalSocketAddress());
assertEquals(s.getPort(), -1);
assertTrue(s.getReceiveBufferSize() >= 8192);
assertNull(s.getRemoteSocketAddress());
assertFalse(s.getReuseAddress());
assertTrue(s.getSendBufferSize() >= 8192);
assertEquals(s.getSoTimeout(), 0);
assertEquals(s.getTrafficClass(), 0);
}
private void assertSocketAfterConnect(DatagramSocket s)
throws SocketException {
assertTrue(s.isBound());
assertFalse(s.isClosed());
assertTrue(s.isConnected());
assertFalse(s.getBroadcast());
assertFalse(s.getReuseAddress());
assertSame(s.getInetAddress(), localAddr1.getAddress());
assertEquals(s.getLocalAddress(), localAddr1.getAddress());
assertNotNull(s.getLocalSocketAddress());
assertEquals(s.getPort(), localAddr1.getPort());
assertTrue(s.getReceiveBufferSize() >= 8192);
// not same , but equals
assertNotSame(s.getRemoteSocketAddress(), (SocketAddress) localAddr1);
assertEquals(s.getRemoteSocketAddress(), (SocketAddress) localAddr1);
assertFalse(s.getReuseAddress());
assertTrue(s.getSendBufferSize() >= 8192);
assertEquals(s.getSoTimeout(), 0);
assertEquals(s.getTrafficClass(), 0);
}
private void assertSocketActionBeforeConnect(DatagramSocket s)
throws IOException {
s.connect(localAddr2);
assertFalse(this.channel1.isConnected());
assertFalse(s.isConnected());
s.disconnect();
assertFalse(this.channel1.isConnected());
assertFalse(s.isConnected());
s.close();
assertTrue(s.isClosed());
assertFalse(this.channel1.isOpen());
}
private void assertSocketActionAfterConnect(DatagramSocket s)
throws IOException {
assertEquals(s.getPort(), localAddr1.getPort());
s.connect(localAddr2);
assertTrue(this.channel1.isConnected());
assertTrue(s.isConnected());
// not changed
assertEquals(s.getPort(), localAddr1.getPort());
s.disconnect();
assertFalse(this.channel1.isConnected());
assertFalse(s.isConnected());
s.close();
assertTrue(s.isClosed());
assertFalse(this.channel1.isOpen());
}
// -------------------------------------------------------------------
// Test for configureBlocking()
// -------------------------------------------------------------------
public void testConfigureBlocking_Read() throws Exception {
assertTrue(this.channel1.isBlocking());
ByteBuffer buf = ByteBuffer.allocate(CAPACITY_1KB);
new Thread() {
public void run() {
try {
sleep(TIME_UNIT * 5);
channel1.configureBlocking(false);
assertFalse(channel1.isBlocking());
datagramSocket1.close();
} catch (Exception e) {
// do nothing
}
}
}.start();
SocketAddress addr = channel1.receive(buf);
assertNull(addr);
}
// -------------------------------------------------------------------
// Test for isConnected()
// -------------------------------------------------------------------
/**
* Test method for 'DatagramChannelImpl.isConnected()'
*
* @throws IOException
*/
public void testIsConnected_WithServer() throws IOException {
connectLocalServer();
disconnectAfterConnected();
this.datagramSocket1.close();
this.channel1.close();
assertFalse(this.channel1.isConnected());
}
// -------------------------------------------------------------------
// Test for connect()
// -------------------------------------------------------------------
/**
* Test method for 'DatagramChannelImpl.connect(SocketAddress)'
*/
public void testConnect_BlockWithServer() throws IOException {
// blocking mode
assertTrue(this.channel1.isBlocking());
connectLocalServer();
datagramSocket1.close();
disconnectAfterConnected();
}
/**
* Test method for 'DatagramChannelImpl.connect(SocketAddress)'
*/
public void testConnect_BlockNoServer() throws IOException {
connectWithoutServer();
disconnectAfterConnected();
}
/**
* Test method for 'DatagramChannelImpl.connect(SocketAddress)'
*
* @throws IOException
*/
public void testConnect_NonBlockWithServer() throws IOException {
// Non blocking mode
this.channel1.configureBlocking(false);
connectLocalServer();
datagramSocket1.close();
disconnectAfterConnected();
}
/**
* Test method for 'DatagramChannelImpl.connect(SocketAddress)'
*
* @throws IOException
*/
public void testConnect_Null() throws IOException {
assertFalse(this.channel1.isConnected());
try {
this.channel1.connect(null);
fail("Should throw an IllegalArgumentException here."); //$NON-NLS-1$
} catch (IllegalArgumentException e) {
// OK.
}
}
/**
* Test method for 'DatagramChannelImpl.connect(SocketAddress)'
*
* @throws IOException
*/
public void testConnect_UnsupportedType() throws IOException {
assertFalse(this.channel1.isConnected());
class SubSocketAddress extends SocketAddress {
private static final long serialVersionUID = 1L;
public SubSocketAddress() {
super();
}
}
SocketAddress newTypeAddress = new SubSocketAddress();
try {
this.channel1.connect(newTypeAddress);
fail("Should throw an UnsupportedAddressTypeException here.");
} catch (UnsupportedAddressTypeException e) {
// OK.
}
}
/**
* Test method for 'DatagramChannelImpl.connect(SocketAddress)'
*
* @throws IOException
*/
public void testConnect_Unresolved() throws IOException {
assertFalse(this.channel1.isConnected());
InetSocketAddress unresolved = new InetSocketAddress(
"unresolved address", 1080);
try {
this.channel1.connect(unresolved);
fail("Should throw an UnresolvedAddressException here."); //$NON-NLS-1$
} catch (UnresolvedAddressException e) {
// OK.
}
}
public void testConnect_EmptyHost() throws Exception {
assertFalse(this.channel1.isConnected());
assertEquals(this.channel1, this.channel1
.connect(new InetSocketAddress("", 1081))); //$NON-NLS-1$
}
/**
* Test method for 'DatagramChannelImpl.connect(SocketAddress)'
*
* @throws IOException
*
*/
public void testConnect_ClosedChannelException() throws IOException {
assertFalse(this.channel1.isConnected());
this.channel1.close();
assertFalse(this.channel1.isOpen());
try {
this.channel1.connect(localAddr1);
fail("Should throw ClosedChannelException."); //$NON-NLS-1$
} catch (ClosedChannelException e) {
// OK.
}
}
/**
* Test method for 'DatagramChannelImpl.connect(SocketAddress)'
*
* @throws IOException
*
*/
public void testConnect_IllegalStateException() throws IOException {
assertFalse(this.channel1.isConnected());
this.channel1.connect(localAddr1);
assertTrue(this.channel1.isConnected());
// connect after connected.
try {
this.channel1.connect(localAddr1);
fail("Should throw IllegalStateException."); //$NON-NLS-1$
} catch (IllegalStateException e) {
// OK.
}
}
/**
* Test method for 'DatagramChannelImpl.connect(SocketAddress)'
*
* @throws IOException
*
*/
public void testConnect_CheckOpenBeforeStatus() throws IOException {
assertFalse(this.channel1.isConnected());
this.channel1.connect(localAddr1);
assertTrue(this.channel1.isConnected());
// connect after connected.
this.channel1.close();
assertFalse(this.channel1.isOpen());
// checking open is before checking status.
try {
this.channel1.connect(localAddr1);
fail("Should throw ClosedChannelException."); //$NON-NLS-1$
} catch (ClosedChannelException e) {
// OK.
}
}
private void disconnectAfterConnected() throws IOException {
assertTrue(this.channel1.isConnected());
this.channel1.disconnect();
assertFalse(this.channel1.isConnected());
}
private void disconnectAfterClosed() throws IOException {
assertFalse(this.channel1.isOpen());
assertFalse(this.channel1.isConnected());
this.channel1.disconnect();
assertFalse(this.channel1.isConnected());
}
private void connectLocalServer() throws IOException {
assertFalse(this.channel1.isConnected());
assertTrue(this.datagramSocket1.isBound());
assertSame(this.channel1, this.channel1.connect(localAddr1));
assertTrue(this.channel1.isConnected());
}
private void connectWithoutServer() throws IOException {
assertFalse(this.channel1.isConnected());
this.datagramSocket1.close();
assertTrue(this.datagramSocket1.isClosed());
assertSame(this.channel1, this.channel1.connect(localAddr1));
assertTrue(this.channel1.isConnected());
}
// -------------------------------------------------------------------
// Test for disconnect()
// -------------------------------------------------------------------
/**
* Test method for 'DatagramChannelImpl.disconnect()'
*
* @throws IOException
*/
public void testDisconnect_BeforeConnect() throws IOException {
assertFalse(this.channel1.isConnected());
assertEquals(this.channel1, this.channel1.disconnect());
assertFalse(this.channel1.isConnected());
}
/**
* Test method for 'DatagramChannelImpl.disconnect()'
*
* @throws IOException
*/
public void testDisconnect_UnconnectedClosed() throws IOException {
assertFalse(this.channel1.isConnected());
this.channel1.close();
assertFalse(this.channel1.isOpen());
assertEquals(this.channel1, this.channel1.disconnect());
assertFalse(this.channel1.isConnected());
}
/**
* Test method for 'DatagramChannelImpl.disconnect()'
*
* @throws IOException
*/
public void testDisconnect_BlockWithServerChannelClosed()
throws IOException {
assertTrue(this.channel1.isBlocking());
connectLocalServer();
// disconnect after channel close
this.channel1.close();
disconnectAfterClosed();
}
/**
* Test method for 'DatagramChannelImpl.disconnect()'
*
* @throws IOException
*/
public void testDisconnect_NonBlockWithServerChannelClosed()
throws IOException {
this.channel1.configureBlocking(false);
connectLocalServer();
// disconnect after channel close
this.channel1.close();
disconnectAfterClosed();
}
/**
* Test method for 'DatagramChannelImpl.disconnect()'
*
* @throws IOException
*/
public void testDisconnect_BlockWithServerServerClosed() throws IOException {
assertTrue(this.channel1.isBlocking());
connectLocalServer();
// disconnect after server close
this.datagramSocket1.close();
assertTrue(this.channel1.isOpen());
assertTrue(this.channel1.isConnected());
disconnectAfterConnected();
}
/**
* Test method for 'DatagramChannelImpl.disconnect()'
*
* @throws IOException
*/
public void testDisconnect_NonBlockWithServerServerClosed()
throws IOException {
this.channel1.configureBlocking(false);
assertFalse(this.channel1.isBlocking());
connectLocalServer();
// disconnect after server close
this.datagramSocket1.close();
assertTrue(this.channel1.isOpen());
assertTrue(this.channel1.isConnected());
disconnectAfterConnected();
}
// -------------------------------------------------------------------
// Test for receive(): Behavior Without Server.
// -------------------------------------------------------------------
/**
* Test method for 'DatagramChannelImpl.receive(ByteBuffer)'
*
* @throws Exception
*/
public void testReceive_UnconnectedNull() throws Exception {
assertFalse(this.channel1.isConnected());
try {
this.channel1.receive(null);
fail("Should throw a NPE here."); //$NON-NLS-1$
} catch (NullPointerException e) {
// OK.
}
}
/**
* Test method for 'DatagramChannelImpl.receive(ByteBuffer)'
*
* @throws Exception
*/
public void testReceive_UnconnectedReadonly() throws Exception {
assertFalse(this.channel1.isConnected());
ByteBuffer dst = ByteBuffer.allocateDirect(CAPACITY_NORMAL)
.asReadOnlyBuffer();
assertTrue(dst.isReadOnly());
try {
this.channel1.receive(dst);
fail("Should throw an IllegalArgumentException here."); //$NON-NLS-1$
} catch (IllegalArgumentException e) {
// OK.
}
}
/**
* Test method for 'DatagramChannelImpl.receive(ByteBuffer)'
*
* @throws Exception
*/
public void testReceive_UnconnectedBufEmpty() throws Exception {
this.channel1.configureBlocking(false);
assertFalse(this.channel1.isConnected());
ByteBuffer dst = ByteBuffer.allocateDirect(CAPACITY_NORMAL);
assertNull(this.channel1.receive(dst));
}
/**
* Test method for 'DatagramChannelImpl.receive(ByteBuffer)'
*
* @throws Exception
*/
public void testReceive_UnconnectedBufZero() throws Exception {
assertFalse(this.channel1.isConnected());
ByteBuffer dst = ByteBuffer.allocateDirect(CAPACITY_ZERO);
assertNull(this.channel1.receive(dst));
}
/**
* Test method for 'DatagramChannelImpl.receive(ByteBuffer)'
*
* @throws Exception
*/
public void testReceive_UnconnectedBufNotEmpty() throws Exception {
assertFalse(this.channel1.isConnected());
ByteBuffer dst = ByteBuffer.allocateDirect(CAPACITY_NORMAL);
// buf is not empty
dst.put((byte) 88);
assertEquals(dst.position() + CAPACITY_NORMAL - 1, dst.limit());
assertNull(this.channel1.receive(dst));
}
/**
* Test method for 'DatagramChannelImpl.receive(ByteBuffer)'
*
* @throws Exception
*/
public void testReceive_UnconnectedBufFull() throws Exception {
assertFalse(this.channel1.isConnected());
ByteBuffer dst = ByteBuffer.allocateDirect(CAPACITY_ONE);
// buf is full
dst.put((byte) 88);
assertEquals(dst.position(), dst.limit());
assertNull(this.channel1.receive(dst));
}
/**
* Test method for 'DatagramChannelImpl.receive(ByteBuffer)'
*
* @throws Exception
*/
public void testReceive_UnconnectedClose() throws Exception {
assertFalse(this.channel1.isConnected());
ByteBuffer dst = ByteBuffer.allocateDirect(CAPACITY_NORMAL);
this.channel1.close();
assertFalse(this.channel1.isOpen());
try {
assertNull(this.channel1.receive(dst));
fail("Should throw a ClosedChannelException here."); //$NON-NLS-1$
} catch (ClosedChannelException e) {
// OK.
}
}
/**
* Test method for 'DatagramChannelImpl.receive(ByteBuffer)'
*
* @throws Exception
*/
public void testReceive_UnconnectedCloseNull() throws Exception {
assertFalse(this.channel1.isConnected());
this.channel1.close();
assertFalse(this.channel1.isOpen());
// checking buffer before checking open
try {
this.channel1.receive(null);
fail("Should throw a NPE here."); //$NON-NLS-1$
} catch (NullPointerException e) {
// OK.
}
}
/**
* Test method for 'DatagramChannelImpl.receive(ByteBuffer)'
*
* @throws Exception
*/
public void testReceive_UnconnectedCloseReadonly() throws Exception {
assertFalse(this.channel1.isConnected());
ByteBuffer dst = ByteBuffer.allocateDirect(CAPACITY_NORMAL)
.asReadOnlyBuffer();
assertTrue(dst.isReadOnly());
this.channel1.close();
assertFalse(this.channel1.isOpen());
try {
this.channel1.receive(dst);
fail("Should throw an IllegalArgumentException here."); //$NON-NLS-1$
} catch (IllegalArgumentException e) {
// OK.
}
}
/**
* Test method for 'DatagramChannelImpl.receive(ByteBuffer)'
*
* @throws Exception
*/
public void testReceive_NonBlockNoServerBufEmpty() throws Exception {
this.channel1.configureBlocking(false);
receiveNonBlockNoServer(CAPACITY_NORMAL);
}
/**
* Test method for 'DatagramChannelImpl.receive(ByteBuffer)'
*
* @throws Exception
*/
public void testReceive_BlockNoServerNull() throws Exception {
assertTrue(this.channel1.isBlocking());
receiveNoServerNull();
}
/**
* Test method for 'DatagramChannelImpl.receive(ByteBuffer)'
*
* @throws Exception
*/
public void testReceive_NonBlockNoServerNull() throws Exception {
this.channel1.configureBlocking(false);
receiveNoServerNull();
}
/**
* Test method for 'DatagramChannelImpl.receive(ByteBuffer)'
*
* @throws Exception
*/
public void testReceive_BlockNoServerReadonly() throws Exception {
assertTrue(this.channel1.isBlocking());
receiveNoServerReadonly();
}
/**
* Test method for 'DatagramChannelImpl.receive(ByteBuffer)'
*
* @throws Exception
*/
public void testReceive_NonBlockNoServerReadonly() throws Exception {
this.channel1.configureBlocking(false);
receiveNoServerReadonly();
}
/**
* Test method for 'DatagramChannelImpl.receive(ByteBuffer)'
*
* @throws Exception
*/
public void testReceive_NonBlockNoServerBufZero() throws Exception {
this.channel1.configureBlocking(false);
receiveNonBlockNoServer(CAPACITY_ZERO);
}
/**
* Test method for 'DatagramChannelImpl.receive(ByteBuffer)'
*
* @throws Exception
*/
public void testReceive_NonBlockNoServerBufNotEmpty() throws Exception {
this.channel1.configureBlocking(false);
connectWithoutServer();
ByteBuffer dst = allocateNonEmptyBuf();
assertNull(this.channel1.receive(dst));
}
/**
* Test method for 'DatagramChannelImpl.receive(ByteBuffer)'
*
* @throws Exception
*/
public void testReceive_NonBlockNoServerBufFull() throws Exception {
this.channel1.configureBlocking(false);
connectWithoutServer();
ByteBuffer dst = allocateFullBuf();
assertNull(this.channel1.receive(dst));
}
/**
* Test method for 'DatagramChannelImpl.receive(ByteBuffer)'
*
* @throws Exception
*/
public void testReceive_BlockNoServerChannelClose() throws Exception {
assertTrue(this.channel1.isBlocking());
receiveNoServerChannelClose();
}
/**
* Test method for 'DatagramChannelImpl.receive(ByteBuffer)'
*
* @throws Exception
*/
public void testReceive_NonBlockNoServerChannelClose() throws Exception {
this.channel1.configureBlocking(false);
receiveNoServerChannelClose();
}
/**
* Test method for 'DatagramChannelImpl.receive(ByteBuffer)'
*
* @throws Exception
*/
public void testReceive_BlockNoServerCloseNull() throws Exception {
assertTrue(this.channel1.isBlocking());
receiveNoServerChannelCloseNull();
}
/**
* Test method for 'DatagramChannelImpl.receive(ByteBuffer)'
*
* @throws Exception
*/
public void testReceive_NonBlockNoServerCloseNull() throws Exception {
this.channel1.configureBlocking(false);
receiveNoServerChannelCloseNull();
}
/**
* Test method for 'DatagramChannelImpl.receive(ByteBuffer)'
*
* @throws Exception
*/
public void testReceive_NonBlockNoServerCloseReadonly() throws Exception {
this.channel1.configureBlocking(false);
receiveNoServerChannelCloseReadonly();
}
/**
* Test method for 'DatagramChannelImpl.receive(ByteBuffer)'
*
* @throws Exception
*/
public void testReceive_BlockNoServerCloseReadonly() throws Exception {
assertTrue(this.channel1.isBlocking());
receiveNoServerChannelCloseReadonly();
}
private void receiveNoServerNull() throws IOException {
connectWithoutServer();
try {
this.channel1.receive(null);
fail("Should throw a NPE here."); //$NON-NLS-1$
} catch (NullPointerException e) {
// OK.
}
}
private void receiveNoServerReadonly() throws IOException {
connectWithoutServer();
ByteBuffer dst = ByteBuffer.allocateDirect(CAPACITY_NORMAL)
.asReadOnlyBuffer();
assertTrue(dst.isReadOnly());
try {
this.channel1.receive(dst);
fail("Should throw an IllegalArgumentException here."); //$NON-NLS-1$
} catch (IllegalArgumentException e) {
// OK.
}
}
private void receiveNonBlockNoServer(int size) throws IOException {
connectWithoutServer();
ByteBuffer dst = ByteBuffer.allocateDirect(size);
assertNull(this.channel1.receive(dst));
}
private void receiveNoServerChannelClose() throws IOException {
connectWithoutServer();
ByteBuffer dst = ByteBuffer.allocateDirect(CAPACITY_NORMAL);
this.channel1.close();
assertFalse(this.channel1.isOpen());
try {
assertNull(this.channel1.receive(dst));
fail("Should throw a ClosedChannelException here."); //$NON-NLS-1$
} catch (ClosedChannelException e) {
// OK.
}
}
private void receiveNoServerChannelCloseNull() throws IOException {
connectWithoutServer();
this.channel1.close();
assertFalse(this.channel1.isOpen());
try {
this.channel1.receive(null);
fail("Should throw a NPE here."); //$NON-NLS-1$
} catch (NullPointerException e) {
// OK.
}
}
private void receiveNoServerChannelCloseReadonly() throws IOException {
connectWithoutServer();
this.channel1.close();
assertFalse(this.channel1.isOpen());
ByteBuffer dst = ByteBuffer.allocateDirect(CAPACITY_NORMAL)
.asReadOnlyBuffer();
assertTrue(dst.isReadOnly());
try {
this.channel1.receive(dst);
fail("Should throw an IllegalArgumentException here."); //$NON-NLS-1$
} catch (IllegalArgumentException e) {
// OK.
}
}
private ByteBuffer allocateFullBuf() {
ByteBuffer dst = ByteBuffer.allocateDirect(CAPACITY_ONE);
// buf is full
dst.put((byte) 88);
assertEquals(dst.position(), dst.limit());
return dst;
}
private ByteBuffer allocateNonEmptyBuf() {
ByteBuffer dst = ByteBuffer.allocateDirect(CAPACITY_NORMAL);
// buf is not empty
dst.put((byte) 88);
dst.put((byte) 99);
assertEquals(dst.position() + CAPACITY_NORMAL - 2, dst.limit());
return dst;
}
// -------------------------------------------------------------------
// Test for send(): Behavior without server.
// -------------------------------------------------------------------
private void sendDataBlocking(InetSocketAddress addr, ByteBuffer writeBuf)
throws IOException {
InetSocketAddress ipAddr = addr;
assertEquals(CAPACITY_NORMAL, this.channel1.send(writeBuf, ipAddr));
assertTrue(this.channel1.isOpen());
assertTrue(this.channel1.isBlocking());
this.channel1.connect(ipAddr);
assertTrue(this.channel1.isConnected());
}
private void sendDataNonBlocking(InetSocketAddress addr, ByteBuffer writeBuf)
throws IOException {
InetSocketAddress ipAddr = addr;
this.channel1.configureBlocking(false);
assertEquals(CAPACITY_NORMAL, this.channel1.send(writeBuf, ipAddr));
assertTrue(this.channel1.isOpen());
assertFalse(this.channel1.isBlocking());
this.channel1.connect(ipAddr);
assertTrue(this.channel1.isConnected());
}
/*
* Test method for 'DatagramChannelImpl.send(ByteBuffer, SocketAddress)'
*/
public void testSend_NoServerBlockingCommon() throws IOException {
ByteBuffer writeBuf = ByteBuffer.allocateDirect(CAPACITY_NORMAL);
sendDataBlocking(localAddr1, writeBuf);
}
public void testSend_NoServerNonblockingCommon() throws IOException {
ByteBuffer writeBuf = ByteBuffer.allocateDirect(CAPACITY_NORMAL);
sendDataNonBlocking(localAddr1, writeBuf);
}
public void testSend_NoServerTwice() throws IOException {
ByteBuffer writeBuf = ByteBuffer.allocateDirect(CAPACITY_NORMAL);
sendDataBlocking(localAddr1, writeBuf);
// can not buffer twice!
assertEquals(0, this.channel1.send(writeBuf, localAddr1));
try {
channel1.send(writeBuf, localAddr2);
fail("Should throw IllegalArgumentException");
} catch (IllegalArgumentException e) {
// correct
}
}
public void testSend_NoServerNonBlockingTwice() throws IOException {
ByteBuffer writeBuf = ByteBuffer.allocateDirect(CAPACITY_NORMAL);
sendDataNonBlocking(localAddr1, writeBuf);
// can not buffer twice!
assertEquals(0, this.channel1.send(writeBuf, localAddr1));
try {
channel1.send(writeBuf, localAddr2);
fail("Should throw IllegalArgumentException");
} catch (IllegalArgumentException e) {
// correct
}
}
public void testSend_NoServerBufNull() throws IOException {
try {
sendDataBlocking(localAddr1, null);
fail("Should throw a NPE here.");
} catch (NullPointerException e) {
// correct
}
}
public void testSend_NoServerBufNullTwice() throws IOException {
ByteBuffer writeBuf = ByteBuffer.allocateDirect(CAPACITY_NORMAL);
try {
sendDataBlocking(localAddr1, null);
fail("Should throw a NPE here.");
} catch (NullPointerException e) {
// correct
}
sendDataBlocking(localAddr1, writeBuf);
try {
channel1.send(null, localAddr2);
fail("Should throw NPE");
} catch (NullPointerException e) {
// correct
}
}
public void testSend_NoServerAddrNull() throws IOException {
ByteBuffer writeBuf = ByteBuffer.allocateDirect(CAPACITY_NORMAL);
try {
sendDataBlocking(null, writeBuf);
fail("Should throw a NPE here.");
} catch (NullPointerException e) {
// correct
}
}
public void testSend_NoServerAddrNullTwice() throws IOException {
ByteBuffer writeBuf = ByteBuffer.allocateDirect(CAPACITY_NORMAL);
try {
sendDataBlocking(null, writeBuf);
fail("Should throw a NPE here.");
} catch (NullPointerException e) {
// correct
}
sendDataBlocking(localAddr1, writeBuf);
try {
channel1.send(writeBuf, null);
fail("Should throw NPE");
} catch (NullPointerException e) {
// correct
}
}
// -------------------------------------------------------------------
// Test for receive()and send(): Send and Receive with Real Data
// -------------------------------------------------------------------
public void testReceiveSend_Block_Normal() throws Exception {
this.channel1.socket().bind(localAddr2);
sendByChannel("some normal string in testReceiveSend_Normal",
localAddr2);
receiveByChannel(CAPACITY_NORMAL, localAddr2,
"some normal string in testReceiveSend_Normal");
}
public void testReceiveSend_Block_NotBound() throws Exception {
// not bound
sendByChannel("some normal string in testReceiveSend_Normal",
localAddr2);
ByteBuffer buf = ByteBuffer.allocate(CAPACITY_NORMAL);
assertNull(channel1.receive(buf));
assertFalse(channel1.socket().isBound());
}
public void testReceiveSend_NonBlock_NotBound() throws Exception {
// not bound
this.channel1.configureBlocking(false);
this.channel2.configureBlocking(false);
sendByChannel("some normal string in testReceiveSend_Normal",
localAddr2);
ByteBuffer buf = ByteBuffer.wrap(new byte[CAPACITY_NORMAL]);
assertNull((InetSocketAddress) this.channel1.receive(buf));
}
public void testReceiveSend_Block_Normal_S2C() throws Exception {
this.channel1.socket().bind(localAddr2);
sendByDatagramSocket(
"some normal string in testReceiveSend_Normal_S2C", localAddr2);
receiveByChannel(CAPACITY_NORMAL, localAddr2,
"some normal string in testReceiveSend_Normal_S2C");
}
public void testReceiveSend_Block_Normal_C2S() throws Exception {
this.datagramSocket1 = new DatagramSocket(localAddr2.getPort());
String str1 = "some normal string in testReceiveSend_Normal_C2S";
sendByChannel(str1, localAddr2);
receiveByDatagramSocket(CAPACITY_NORMAL, localAddr2, str1);
}
public void testReceiveSend_NonBlock_Normal_C2S() throws Exception {
this.channel1.configureBlocking(false);
this.channel2.configureBlocking(false);
this.datagramSocket1 = new DatagramSocket(localAddr2.getPort());
String str1 = "some normal string in testReceiveSend_Normal_C2S";
sendByChannel(str1, localAddr2);
receiveByDatagramSocket(CAPACITY_NORMAL, localAddr2, str1);
}
public void testReceiveSend_Normal_S2S() throws Exception {
String msg = "normal string in testReceiveSend_Normal_S2S";
this.datagramSocket1 = new DatagramSocket(testPort);
DatagramPacket rdp = new DatagramPacket(msg.getBytes(), msg.length(),
localAddr2);
datagramSocket2 = new DatagramSocket(localAddr2.getPort());
this.datagramSocket1.send(rdp);
byte[] buf = new byte[CAPACITY_NORMAL];
this.datagramSocket2.setSoTimeout(TIME_UNIT);
rdp = new DatagramPacket(buf, buf.length);
this.datagramSocket2.receive(rdp);
assertEquals(new String(buf, 0, CAPACITY_NORMAL).trim(), msg);
}
public void testReceiveSend_Block_Empty() throws Exception {
this.channel1.socket().bind(localAddr2);
sendByChannel("", localAddr2);
receiveByChannel(CAPACITY_NORMAL, localAddr2, "");
}
public void testReceiveSend_NonBlock_Empty() throws Exception {
this.channel1.configureBlocking(false);
this.channel2.configureBlocking(false);
this.channel1.socket().bind(localAddr2);
sendByChannel("", localAddr2);
receiveByChannel(CAPACITY_NORMAL, localAddr2, "");
}
public void testReceiveSend_Block_Empty_S2C() throws Exception {
this.channel1.socket().bind(localAddr2);
sendByDatagramSocket("", localAddr2);
receiveByChannel(CAPACITY_NORMAL, localAddr2, "");
}
public void testReceiveSend_NonBlock_Empty_S2C() throws Exception {
this.channel1.configureBlocking(false);
this.channel2.configureBlocking(false);
this.channel1.socket().bind(localAddr2);
sendByDatagramSocket("", localAddr2);
receiveByChannel(CAPACITY_NORMAL, localAddr2, "");
}
public void testReceiveSend_Block_Empty_C2S() throws Exception {
this.datagramSocket1 = new DatagramSocket(localAddr2.getPort());
sendByChannel("", localAddr2);
receiveByDatagramSocket(CAPACITY_NORMAL, localAddr2, "");
}
public void testReceiveSend_NonBlock_Empty_C2S() throws Exception {
this.channel1.configureBlocking(false);
this.channel2.configureBlocking(false);
this.datagramSocket1 = new DatagramSocket(localAddr2.getPort());
sendByChannel("", localAddr2);
receiveByDatagramSocket(CAPACITY_NORMAL, localAddr2, "");
}
public void testReceiveSend_Empty_S2S() throws Exception {
String msg = "";
this.datagramSocket1 = new DatagramSocket(testPort);
DatagramPacket rdp = new DatagramPacket(msg.getBytes(), msg.length(),
localAddr2);
datagramSocket2 = new DatagramSocket(localAddr2.getPort());
this.datagramSocket1.send(rdp);
byte[] buf = new byte[CAPACITY_NORMAL];
this.datagramSocket2.setSoTimeout(TIME_UNIT);
rdp = new DatagramPacket(buf, buf.length);
this.datagramSocket2.receive(rdp);
assertEquals(new String(buf, 0, CAPACITY_NORMAL).trim(), msg);
}
public void testReceiveSend_Block_Oversize() throws Exception {
this.channel1.socket().bind(localAddr2);
sendByChannel("0123456789", localAddr2);
receiveByChannel(5, localAddr2, "01234");
}
public void testReceiveSend_Block_Oversize_C2S() throws Exception {
this.datagramSocket1 = new DatagramSocket(localAddr2.getPort());
sendByChannel("0123456789", localAddr2);
receiveByDatagramSocket(5, localAddr2, "01234");
}
public void testReceiveSend_NonBlock_Oversize_C2S() throws Exception {
this.channel1.configureBlocking(false);
this.channel2.configureBlocking(false);
this.datagramSocket1 = new DatagramSocket(localAddr2.getPort());
sendByChannel("0123456789", localAddr2);
receiveByDatagramSocket(5, localAddr2, "01234");
}
public void testReceiveSend_Block_Oversize_S2C() throws Exception {
this.channel1.socket().bind(localAddr2);
sendByDatagramSocket("0123456789", localAddr2);
receiveByChannel(5, localAddr2, "01234");
}
public void testReceiveSend_8K() throws Exception {
StringBuffer str8k = new StringBuffer();
for (int i = 0; i < 8 * CAPACITY_1KB; i++) {
str8k.append('a');
}
String str = str8k.toString();
this.channel1.socket().bind(localAddr2);
sendByChannel(str, localAddr2);
receiveByChannel(8 * CAPACITY_1KB, localAddr2, str);
}
public void testReceiveSend_64K() throws Exception {
StringBuffer str64k = new StringBuffer();
for (int i = 0; i < CAPACITY_64KB; i++) {
str64k.append('a');
}
String str = str64k.toString();
try {
Thread.sleep(TIME_UNIT);
channel2.send(ByteBuffer.wrap(str.getBytes()), localAddr1);
fail("Should throw SocketException!");
} catch (SocketException e) {
//expected
}
}
private void sendByChannel(String data, InetSocketAddress address)
throws Exception {
try {
assertEquals(data.length(), this.channel2.send(ByteBuffer.wrap(data
.getBytes()), address));
} finally {
this.channel2.close();
}
}
private void sendByDatagramSocket(String data, InetSocketAddress address)
throws Exception {
this.datagramSocket1 = new DatagramSocket(testPort);
DatagramPacket rdp = new DatagramPacket(data.getBytes(), data.length(),
address);
this.datagramSocket1.send(rdp);
}
private void receiveByChannel(int bufSize, InetSocketAddress address,
String expectedString) throws IOException {
try {
ByteBuffer buf = ByteBuffer.wrap(new byte[bufSize]);
InetSocketAddress returnAddr = null;
long startTime = System.currentTimeMillis();
do {
returnAddr = (InetSocketAddress) this.channel1.receive(buf);
// continue loop when channel1 is non-blocking and no data was
// received.
if (channel1.isBlocking() || null != returnAddr) {
break;
}
// avoid dead loop
assertTimeout(startTime, 10000);
} while (true);
int length = returnAddr.getAddress().getAddress().length;
for (int i = 0; i < length; i++) {
assertEquals(returnAddr.getAddress().getAddress()[i],
InetAddress.getByName("127.0.0.1").getAddress()[i]);
}
// port is NOT equal
assertFalse(returnAddr.getPort() == address.getPort());
assertEquals(new String(buf.array(), 0, bufSize).trim(),
expectedString);
} finally {
this.channel1.close();
}
}
/*
* Fails if the difference between current time and start time is greater
* than timeout.
*/
private void assertTimeout(long startTime, long timeout) {
long currentTime = System.currentTimeMillis();
if ((currentTime - startTime) > timeout) {
fail("Timeout");
}
}
private void receiveByDatagramSocket(int bufSize,
InetSocketAddress address, String expectedString)
throws IOException {
byte[] buf = new byte[bufSize];
this.datagramSocket1.setSoTimeout(6000);
DatagramPacket rdp = new DatagramPacket(buf, buf.length);
this.datagramSocket1.receive(rdp);
assertEquals(new String(buf, 0, bufSize).trim(), expectedString);
}
// -------------------------------------------------------------------
// Test for security check of receive and send
// -------------------------------------------------------------------
private class mockAddress extends SocketAddress {
private static final long serialVersionUID = 1L;
}
public void testSend_MockSocketAddress() throws Exception {
SocketAddress badAddr = new mockAddress();
final SecurityManager sm = System.getSecurityManager();
System.setSecurityManager(new MockSecurityManager());
try {
// no problem.
this.channel1
.send(ByteBuffer.allocate(CAPACITY_NORMAL), localAddr1);
// re open
this.channel1.close();
this.channel1 = DatagramChannel.open();
try {
this.channel1.send(ByteBuffer.allocate(CAPACITY_NORMAL),
badAddr);
fail("Should throw ClassCastException");
} catch (ClassCastException e) {
// ok
}
} finally {
System.setSecurityManager(sm);
}
}
public void testRead_Security() throws Exception {
ByteBuffer buf = ByteBuffer.allocate(CAPACITY_NORMAL);
String strHello = "hello";
localAddr1 = new InetSocketAddress("127.0.0.1", testPort);
this.channel1.socket().bind(localAddr1);
this.channel2.socket().bind(localAddr2);
this.channel1.connect(localAddr2);
this.channel2.send(ByteBuffer.wrap(strHello.getBytes()), localAddr1);
final SecurityManager sm = System.getSecurityManager();
System.setSecurityManager(new MockSecurityManager("10.0.0.1"));
// seems no security check
try {
assertEquals(strHello.length(), this.channel1.read(buf));
} finally {
System.setSecurityManager(sm);
}
}
public void testReceive_Peek_Security_Nonblocking() throws Exception {
ByteBuffer buf = ByteBuffer.allocate(CAPACITY_NORMAL);
String strHello = "hello";
localAddr1 = new InetSocketAddress("127.0.0.1", testPort);
this.channel1.socket().bind(localAddr1);
sendByChannel(strHello, localAddr1);
final SecurityManager sm = System.getSecurityManager();
try {
System.setSecurityManager(new MockSecurityManager("10.0.0.1"));
this.channel1.configureBlocking(false);
// for accepted addr, no problem.
assertNull(this.channel1.receive(buf));
} finally {
System.setSecurityManager(sm);
}
}
// -------------------------------------------------------------------
// Test for write()
// -------------------------------------------------------------------
private void connectWriteBuf(InetSocketAddress ipAddr, ByteBuffer buf)
throws IOException {
this.channel1.connect(ipAddr);
assertTrue(this.channel1.isConnected());
assertEquals(CAPACITY_NORMAL, this.channel1.write(buf));
assertEquals(0, this.channel1.write(buf));
}
private void noconnectWrite(ByteBuffer buf) throws IOException {
try {
this.channel1.write(buf);
fail("should throw NotYetConnectedException");
} catch (NotYetConnectedException e) {
// correct
}
}
/*
* Test method for 'DatagramChannelImpl.write(ByteBuffer)'
*/
public void testWriteByteBuffer_Block() throws IOException {
ByteBuffer writeBuf = ByteBuffer.allocateDirect(CAPACITY_NORMAL);
connectWriteBuf(localAddr1, writeBuf);
}
public void testWriteByteBuffer_NonBlock() throws IOException {
ByteBuffer writeBuf = ByteBuffer.allocateDirect(CAPACITY_NORMAL);
this.channel1.configureBlocking(false);
connectWriteBuf(localAddr1, writeBuf);
}
public void testWriteByteBuffer_Block_closed() throws IOException {
ByteBuffer writeBuf = ByteBuffer.allocateDirect(CAPACITY_NORMAL);
InetSocketAddress ipAddr = localAddr1;
noconnectWrite(writeBuf);
this.channel1.connect(ipAddr);
assertTrue(this.channel1.isConnected());
this.channel1.close();
try {
channel1.write(writeBuf);
fail("should throw ClosedChannelException");
} catch (ClosedChannelException e) {
// correct
}
}
public void testWriteByteBuffer_NonBlock_closed() throws IOException {
ByteBuffer writeBuf = ByteBuffer.allocateDirect(CAPACITY_NORMAL);
InetSocketAddress ipAddr = localAddr1;
// non block mode
this.channel1.configureBlocking(false);
noconnectWrite(writeBuf);
this.channel1.connect(ipAddr);
assertTrue(this.channel1.isConnected());
this.channel1.close();
try {
channel1.write(writeBuf);
fail("should throw ClosedChannelException");
} catch (ClosedChannelException e) {
// correct
}
}
public void testWriteByteBuffer_Block_BufNull() throws IOException {
ByteBuffer writeBuf = ByteBuffer.allocateDirect(0);
InetSocketAddress ipAddr = localAddr1;
try {
this.channel1.write((ByteBuffer) null);
fail("Should throw NPE.");
} catch (NullPointerException e) {
// correct
}
this.channel1.connect(ipAddr);
assertTrue(this.channel1.isConnected());
try {
this.channel1.write((ByteBuffer) null);
fail("Should throw NPE.");
} catch (NullPointerException e) {
// correct
}
assertEquals(0, this.channel1.write(writeBuf));
datagramSocket1.close();
try {
this.channel1.write((ByteBuffer) null);
fail("Should throw NPE.");
} catch (NullPointerException e) {
// correct
}
}
public void testWriteByteBuffer_NonBlock_BufNull() throws IOException {
ByteBuffer writeBuf = ByteBuffer.allocateDirect(0);
InetSocketAddress ipAddr = localAddr1;
// non block mode
this.channel1.configureBlocking(false);
try {
this.channel1.write((ByteBuffer) null);
fail("Should throw NPE.");
} catch (NullPointerException e) {
// correct
}
this.channel1.connect(ipAddr);
assertTrue(this.channel1.isConnected());
try {
this.channel1.write((ByteBuffer) null);
fail("Should throw NPE.");
} catch (NullPointerException e) {
// correct
}
assertEquals(0, this.channel1.write(writeBuf));
datagramSocket1.close();
try {
this.channel1.write((ByteBuffer) null);
fail("Should throw NPE.");
} catch (NullPointerException e) {
// correct
}
}
/*
* Test method for 'DatagramChannelImpl.write(ByteBuffer[], int, int)'
*/
public void testWriteByteBufferArrayIntInt_Block() throws IOException {
ByteBuffer[] writeBuf = new ByteBuffer[2];
writeBuf[0] = ByteBuffer.allocateDirect(CAPACITY_NORMAL);
writeBuf[1] = ByteBuffer.allocateDirect(CAPACITY_NORMAL);
InetSocketAddress ipAddr = localAddr1;
try {
this.channel1.write(writeBuf, 0, 2);
fail("Should throw NotYetConnectedException.");
} catch (NotYetConnectedException e) {
// correct
}
this.channel1.connect(ipAddr);
assertTrue(this.channel1.isConnected());
assertEquals(CAPACITY_NORMAL * 2, this.channel1.write(writeBuf, 0, 2));
// cannot be buffered again!
assertEquals(0, this.channel1.write(writeBuf, 0, 1));
}
public void testWriteByteBufferArrayIntInt_NonBlock() throws IOException {
ByteBuffer[] writeBuf = new ByteBuffer[2];
writeBuf[0] = ByteBuffer.allocateDirect(CAPACITY_NORMAL);
writeBuf[1] = ByteBuffer.allocateDirect(CAPACITY_NORMAL);
InetSocketAddress ipAddr = localAddr1;
// non-block mode
this.channel1.configureBlocking(false);
try {
this.channel1.write(writeBuf, 0, 2);
fail("Should throw NotYetConnectedException.");
} catch (NotYetConnectedException e) {
// correct
}
this.channel1.connect(ipAddr);
assertTrue(this.channel1.isConnected());
assertEquals(CAPACITY_NORMAL * 2, this.channel1.write(writeBuf, 0, 2));
// cannot be buffered again!
assertEquals(0, this.channel1.write(writeBuf, 0, 1));
}
public void testWriteByteBufferArrayIntInt_NoConnectIndexBad()
throws IOException {
ByteBuffer[] writeBuf = new ByteBuffer[2];
writeBuf[0] = ByteBuffer.allocateDirect(CAPACITY_NORMAL);
writeBuf[1] = ByteBuffer.allocateDirect(CAPACITY_NORMAL);
InetSocketAddress ipAddr = localAddr1;
try {
this.channel1.write(writeBuf, -1, 2);
fail("should throw IndexOutOfBoundsException");
} catch (IndexOutOfBoundsException e) {
// correct
}
try {
this.channel1.write(writeBuf, 0, -1);
fail("should throw IndexOutOfBoundsException");
} catch (IndexOutOfBoundsException e) {
// correct
}
this.channel1.connect(ipAddr);
assertTrue(this.channel1.isConnected());
assertEquals(CAPACITY_NORMAL * 2, this.channel1.write(writeBuf, 0, 2));
// cannot be buffered again!
assertEquals(0, this.channel1.write(writeBuf, 0, 1));
}
public void testWriteByteBufferArrayIntInt_ConnectedIndexBad()
throws IOException {
ByteBuffer[] writeBuf = new ByteBuffer[2];
writeBuf[0] = ByteBuffer.allocateDirect(CAPACITY_NORMAL);
writeBuf[1] = ByteBuffer.allocateDirect(CAPACITY_NORMAL);
InetSocketAddress ipAddr = localAddr1;
this.channel1.connect(ipAddr);
assertTrue(this.channel1.isConnected());
try {
this.channel1.write(writeBuf, -1, 2);
fail("should throw IndexOutOfBoundsException");
} catch (IndexOutOfBoundsException e) {
// correct
}
try {
this.channel1.write(writeBuf, 0, -1);
fail("should throw IndexOutOfBoundsException");
} catch (IndexOutOfBoundsException e) {
// correct
}
}
public void testWriteByteBufferArrayIntInt_BufNullNoConnect()
throws IOException {
ByteBuffer[] writeBuf = new ByteBuffer[2];
writeBuf[0] = ByteBuffer.allocateDirect(CAPACITY_NORMAL);
try {
this.channel1.write(null, 0, 2);
fail("should throw NPE");
} catch (NullPointerException e) {
// correct
}
try {
this.channel1.write(null, -1, 2);
fail("should throw IndexOutOfBoundsException");
} catch (IndexOutOfBoundsException e) {
// correct
}
try {
this.channel1.write(null, 0, 3);
fail("should throw NPE");
} catch (NullPointerException e) {
// correct
}
}
public void testWriteByteBufferArrayIntInt_BufNullConnect()
throws IOException {
ByteBuffer[] writeBuf = new ByteBuffer[2];
writeBuf[0] = ByteBuffer.allocateDirect(CAPACITY_NORMAL);
InetSocketAddress ipAddr = localAddr1;
this.channel1.connect(ipAddr);
assertTrue(this.channel1.isConnected());
try {
this.channel1.write(null, 0, 2);
fail("should throw NPE");
} catch (NullPointerException e) {
// correct
}
try {
this.channel1.write(writeBuf, 0, 3);
fail("should throw IndexOutOfBoundsException");
} catch (IndexOutOfBoundsException e) {
// correct
}
datagramSocket1.close();
try {
this.channel1.write(null, 0, 2);
fail("should throw NPE");
} catch (NullPointerException e) {
// correct
}
}
// -------------------------------------------------------------------
// Test for read()
// -------------------------------------------------------------------
/*
* Test method for 'DatagramChannelImpl.read(ByteBuffer)'
*/
public void testReadByteBuffer() throws IOException {
ByteBuffer readBuf = ByteBuffer.allocateDirect(CAPACITY_NORMAL);
try {
this.channel1.read(readBuf);
fail("should throw NotYetConnectedException");
} catch (NotYetConnectedException e) {
// correct
}
this.channel1.connect(localAddr1);
assertTrue(this.channel1.isConnected());
this.channel1.configureBlocking(false);
// note : blocking-mode will make the read process endless!
assertEquals(0, this.channel1.read(readBuf));
this.channel1.close();
try {
this.channel1.read(readBuf);
fail("Should throw ClosedChannelException");
} catch (ClosedChannelException e) {
// OK.
}
}
public void testReadByteBuffer_bufNull() throws IOException {
ByteBuffer readBuf = ByteBuffer.allocateDirect(0);
InetSocketAddress ipAddr = localAddr1;
try {
this.channel1.read(readBuf);
fail("should throw NotYetConnectedException");
} catch (NotYetConnectedException e) {
// correct
}
this.channel1.connect(ipAddr);
assertTrue(this.channel1.isConnected());
try {
channel1.read((ByteBuffer) null);
fail("should throw NPE");
} catch (NullPointerException e) {
// correct
}
this.channel1.configureBlocking(false);
// note : blocking-mode will make the read process endless!
assertEquals(0, this.channel1.read(readBuf));
datagramSocket1.close();
}
/*
* Test method for 'DatagramChannelImpl.read(ByteBuffer[], int, int)'
*/
public void testReadByteBufferArrayIntInt() throws IOException {
ByteBuffer[] readBuf = new ByteBuffer[2];
readBuf[0] = ByteBuffer.allocateDirect(CAPACITY_NORMAL);
readBuf[1] = ByteBuffer.allocateDirect(CAPACITY_NORMAL);
InetSocketAddress ipAddr = localAddr1;
try {
this.channel1.read(readBuf, 0, 2);
fail("should throw NotYetConnectedException");
} catch (NotYetConnectedException e) {
// correct
}
this.channel1.connect(ipAddr);
assertTrue(this.channel1.isConnected());
this.channel1.configureBlocking(false);
// note : blocking-mode will make the read process endless!
assertEquals(0, this.channel1.read(readBuf, 0, 1));
assertEquals(0, this.channel1.read(readBuf, 0, 2));
datagramSocket1.close();
//regression test for HARMONY-932
try {
DatagramChannel.open().read(new ByteBuffer[] {}, 2, Integer.MAX_VALUE);
fail("should throw IndexOutOfBoundsException");
} catch (IndexOutOfBoundsException e) {
// correct
}
try {
DatagramChannel.open().write(new ByteBuffer[] {}, 2, Integer.MAX_VALUE);
fail("should throw IndexOutOfBoundsException");
} catch (IndexOutOfBoundsException e) {
// correct
}
try {
DatagramChannel.open().write((ByteBuffer[])null, -1, 2);
fail("should throw IndexOutOfBoundsException");
} catch (IndexOutOfBoundsException e) {
// correct
}
}
public void testReadByteBufferArrayIntInt_BufNull() throws IOException {
ByteBuffer[] readBuf = new ByteBuffer[2];
readBuf[0] = ByteBuffer.allocateDirect(CAPACITY_NORMAL);
InetSocketAddress ipAddr = localAddr1;
try {
this.channel1.read(null, 0, 0);
fail("should throw NPE");
} catch (NullPointerException e) {
// correct
}
this.channel1.connect(ipAddr);
assertTrue(this.channel1.isConnected());
this.channel1.configureBlocking(false);
// note : blocking-mode will make the read process endless!
try {
this.channel1.read(null, 0, 0);
fail("should throw NPE");
} catch (NullPointerException e) {
// correct
}
assertEquals(0, this.channel1.read(readBuf, 0, 1));
try {
this.channel1.read(readBuf, 0, 2);
fail("should throw NPE");
} catch (NullPointerException e) {
// correct
}
try {
this.channel1.read(readBuf, 0, 3);
fail("should throw IndexOutOfBoundsException");
} catch (IndexOutOfBoundsException e) {
// correct
}
datagramSocket1.close();
}
// -------------------------------------------------------------------
// test read and write
// -------------------------------------------------------------------
public void testReadWrite_configureBlock() throws Exception {
byte[] targetArray = new byte[2];
// bind and connect
this.channel1.socket().bind(localAddr2);
this.channel1.connect(localAddr1);
this.channel2.socket().bind(localAddr1);
this.channel2.connect(localAddr2);
ByteBuffer targetBuf = ByteBuffer.wrap(targetArray);
new Thread() {
public void run() {
try {
Thread.sleep(TIME_UNIT);
channel1.configureBlocking(false);
channel1.close();
} catch (Exception e) {
//ignore
}
}
}.start();
try {
this.channel1.read(targetBuf);
fail("should throw AsynchronousCloseException");
} catch (AsynchronousCloseException e) {
// ok
}
}
public void testReadWrite_Block_Zero() throws Exception {
byte[] sourceArray = new byte[0];
byte[] targetArray = new byte[0];
// bind and connect
this.channel1.socket().bind(localAddr2);
this.channel1.connect(localAddr1);
this.channel2.socket().bind(localAddr1);
this.channel2.connect(localAddr2);
// write
ByteBuffer sourceBuf = ByteBuffer.wrap(sourceArray);
assertEquals(0, this.channel1.write(sourceBuf));
// read
ByteBuffer targetBuf = ByteBuffer.wrap(targetArray);
int readCount = this.channel2.read(targetBuf);
assertEquals(0, readCount);
}
public void testReadWrite_Block_Normal() throws Exception {
byte[] sourceArray = new byte[CAPACITY_NORMAL];
byte[] targetArray = new byte[CAPACITY_NORMAL];
for (int i = 0; i < sourceArray.length; i++) {
sourceArray[i] = (byte) i;
}
// bind and connect
this.channel1.socket().bind(localAddr2);
this.channel1.connect(localAddr1);
this.channel2.socket().bind(localAddr1);
this.channel2.connect(localAddr2);
readWriteReadData(this.channel1, sourceArray, this.channel2,
targetArray, CAPACITY_NORMAL, "testReadWrite_Block_Normal");
}
public void testReadWrite_Block_Empty() throws Exception {
// empty buf
byte[] sourceArray = "".getBytes();
byte[] targetArray = new byte[CAPACITY_NORMAL];
// bind and connect
this.channel1.socket().bind(localAddr2);
this.channel1.connect(localAddr1);
this.channel2.socket().bind(localAddr1);
this.channel2.connect(localAddr2);
// write
ByteBuffer sourceBuf = ByteBuffer.wrap(sourceArray);
assertEquals(0, this.channel1.write(sourceBuf));
// read
ByteBuffer targetBuf = ByteBuffer.wrap(targetArray);
// empty message let the reader blocked
closeBlockedReaderChannel2(targetBuf);
}
public void testReadWrite_changeBlock_Empty() throws Exception {
// empty buf
byte[] sourceArray = "".getBytes();
byte[] targetArray = new byte[CAPACITY_NORMAL];
// bind and connect
this.channel1.socket().bind(localAddr2);
this.channel1.connect(localAddr1);
this.channel2.socket().bind(localAddr1);
this.channel2.connect(localAddr2);
// write
ByteBuffer sourceBuf = ByteBuffer.wrap(sourceArray);
assertEquals(0, this.channel1.write(sourceBuf));
// read
ByteBuffer targetBuf = ByteBuffer.wrap(targetArray);
// empty message let the reader blocked
new Thread() {
public void run() {
try {
Thread.sleep(TIME_UNIT);
channel2.configureBlocking(false);
Thread.sleep(TIME_UNIT * 5);
channel2.close();
} catch (Exception e) {
// do nothing
}
}
}.start();
try {
assertTrue(this.channel2.isBlocking());
this.channel2.read(targetBuf);
fail("Should throw AsynchronousCloseException");
} catch (AsynchronousCloseException e) {
assertFalse(this.channel2.isBlocking());
// OK.
}
}
public void testReadWrite_Block_8KB() throws Exception {
byte[] sourceArray = new byte[CAPACITY_1KB * 8];
byte[] targetArray = new byte[CAPACITY_1KB * 8];
for (int i = 0; i < sourceArray.length; i++) {
sourceArray[i] = (byte) i;
}
// bind and connect
this.channel1.socket().bind(localAddr2);
this.channel1.connect(localAddr1);
this.channel2.socket().bind(localAddr1);
this.channel2.connect(localAddr2);
readWriteReadData(this.channel1, sourceArray, this.channel2,
targetArray, 8 * CAPACITY_1KB, "testReadWrite_Block_8KB");
}
/*
* sender write the sourceArray whose size is dataSize, and receiver read
* the data into targetArray
*/
private void readWriteReadData(DatagramChannel sender, byte[] sourceArray,
DatagramChannel receiver, byte[] targetArray, int dataSize,
String methodName) throws IOException {
// write
ByteBuffer sourceBuf = ByteBuffer.wrap(sourceArray);
assertEquals(dataSize, sender.write(sourceBuf));
// read
ByteBuffer targetBuf = ByteBuffer.wrap(targetArray);
int count = 0;
int total = 0;
long beginTime = System.currentTimeMillis();
while (total < dataSize && (count = receiver.read(targetBuf)) != -1) {
total = total + count;
// 3s timeout to avoid dead loop
if (System.currentTimeMillis() - beginTime > 3000){
break;
}
}
assertEquals(dataSize, total);
assertEquals(targetBuf.position(), total);
targetBuf.flip();
targetArray = targetBuf.array();
for (int i = 0; i < targetArray.length; i++) {
assertEquals(targetArray[i], (byte) i);
}
}
public void testReadWrite_Block_64K() throws Exception {
byte[] sourceArray = new byte[CAPACITY_64KB];
for (int i = 0; i < sourceArray.length; i++) {
sourceArray[i] = (byte) i;
}
// bind and connect
this.channel1.socket().bind(localAddr2);
this.channel1.connect(localAddr1);
this.channel2.socket().bind(localAddr1);
this.channel2.connect(localAddr2);
// write
ByteBuffer sourceBuf = ByteBuffer.wrap(sourceArray);
try {
channel1.write(sourceBuf);
fail("Should throw IOException");
} catch (IOException e) {
// too big
}
}
public void testReadWrite_Block_DifferentAddr() throws Exception {
byte[] sourceArray = new byte[CAPACITY_NORMAL];
byte[] targetArray = new byte[CAPACITY_NORMAL];
for (int i = 0; i < sourceArray.length; i++) {
sourceArray[i] = (byte) i;
}
// bind and connect
this.channel1.socket().bind(localAddr2);
this.channel1.connect(localAddr1);
this.channel2.socket().bind(localAddr1);
this.channel2.connect(localAddr1);// the different addr
// write
ByteBuffer sourceBuf = ByteBuffer.wrap(sourceArray);
assertEquals(CAPACITY_NORMAL, this.channel1.write(sourceBuf));
// read
ByteBuffer targetBuf = ByteBuffer.wrap(targetArray);
// the wrong connected addr will make the read blocked.
// we close the blocked channel
closeBlockedReaderChannel2(targetBuf);
}
public void testReadWrite_Block_WriterNotBind() throws Exception {
byte[] sourceArray = new byte[CAPACITY_NORMAL];
byte[] targetArray = new byte[CAPACITY_NORMAL];
for (int i = 0; i < sourceArray.length; i++) {
sourceArray[i] = (byte) i;
}
// bind and connect
this.channel1.connect(localAddr1);
this.channel2.socket().bind(localAddr1);
this.channel2.connect(localAddr2);
// write
ByteBuffer sourceBuf = ByteBuffer.wrap(sourceArray);
assertEquals(CAPACITY_NORMAL, this.channel1.write(sourceBuf));
// read
ByteBuffer targetBuf = ByteBuffer.wrap(targetArray);
closeBlockedReaderChannel2(targetBuf);
}
public void testReadWrite_Block_WriterBindLater() throws Exception {
byte[] targetArray = new byte[CAPACITY_NORMAL];
// bind and connect
// writer channel1 is bound later
this.channel2.socket().bind(localAddr1);
this.channel2.connect(localAddr2);
// read
ByteBuffer targetBuf = ByteBuffer.wrap(targetArray);
new Thread() {
public void run() {
try {
Thread.sleep(TIME_UNIT);
// bind later
byte[] sourceArray = new byte[CAPACITY_NORMAL];
for (int i = 0; i < sourceArray.length; i++) {
sourceArray[i] = (byte) i;
}
channel1.socket().bind(localAddr2);
channel1.connect(localAddr1);
// write later
ByteBuffer sourceBuf = ByteBuffer.wrap(sourceArray);
assertEquals(CAPACITY_NORMAL, channel1.write(sourceBuf));
} catch (Exception e) {
// do nothing
}
}
}.start();
int count = 0;
int total = 0;
long beginTime = System.currentTimeMillis();
while (total < CAPACITY_NORMAL && (count = channel2.read(targetBuf)) != -1) {
total = total + count;
// 3s timeout to avoid dead loop
if (System.currentTimeMillis() - beginTime > 3000){
break;
}
}
assertEquals(CAPACITY_NORMAL, total);
assertEquals(targetBuf.position(), total);
targetBuf.flip();
targetArray = targetBuf.array();
for (int i = 0; i < targetArray.length; i++) {
assertEquals(targetArray[i], (byte) i);
}
}
public void testReadWrite_Block_ReaderNotBind() throws Exception {
byte[] sourceArray = new byte[CAPACITY_NORMAL];
byte[] targetArray = new byte[CAPACITY_NORMAL];
for (int i = 0; i < sourceArray.length; i++) {
sourceArray[i] = (byte) i;
}
// bind and connect
this.channel1.socket().bind(localAddr2);
this.channel1.connect(localAddr1);
// reader channel2 is not bound
this.channel2.connect(localAddr2);
// write
ByteBuffer sourceBuf = ByteBuffer.wrap(sourceArray);
assertEquals(CAPACITY_NORMAL, this.channel1.write(sourceBuf));
// read
ByteBuffer targetBuf = ByteBuffer.wrap(targetArray);
closeBlockedReaderChannel2(targetBuf);
}
private void closeBlockedReaderChannel2(ByteBuffer targetBuf)
throws IOException {
new Thread() {
public void run() {
try {
Thread.sleep(TIME_UNIT);
channel2.close();
} catch (Exception e) {
// do nothing
}
}
}.start();
try {
assertTrue(this.channel2.isBlocking());
this.channel2.read(targetBuf);
fail("Should throw AsynchronousCloseException");
} catch (AsynchronousCloseException e) {
// OK.
}
}
// -------------------------------------------------------------------
// Test read and write in non-block mode.
// -------------------------------------------------------------------
public void testReadWrite_NonBlock_Normal() throws Exception {
byte[] sourceArray = new byte[CAPACITY_NORMAL];
byte[] targetArray = new byte[CAPACITY_NORMAL];
for (int i = 0; i < sourceArray.length; i++) {
sourceArray[i] = (byte) i;
}
this.channel1.configureBlocking(false);
this.channel2.configureBlocking(false);
// bind and connect
this.channel1.socket().bind(localAddr2);
this.channel1.connect(localAddr1);
this.channel2.socket().bind(localAddr1);
this.channel2.connect(localAddr2);
readWriteReadData(this.channel1, sourceArray, this.channel2,
targetArray, CAPACITY_NORMAL, "testReadWrite_NonBlock_Normal");
}
public void testReadWrite_NonBlock_8KB() throws Exception {
byte[] sourceArray = new byte[CAPACITY_1KB * 8];
byte[] targetArray = new byte[CAPACITY_1KB * 8];
for (int i = 0; i < sourceArray.length; i++) {
sourceArray[i] = (byte) i;
}
this.channel1.configureBlocking(false);
this.channel2.configureBlocking(false);
// bind and connect
this.channel1.socket().bind(localAddr2);
this.channel1.connect(localAddr1);
this.channel2.socket().bind(localAddr1);
this.channel2.connect(localAddr2);
readWriteReadData(this.channel1, sourceArray, this.channel2,
targetArray, 8 * CAPACITY_1KB, "testReadWrite_NonBlock_8KB");
}
public void testReadWrite_NonBlock_DifferentAddr() throws Exception {
byte[] sourceArray = new byte[CAPACITY_NORMAL];
byte[] targetArray = new byte[CAPACITY_NORMAL];
for (int i = 0; i < sourceArray.length; i++) {
sourceArray[i] = (byte) i;
}
this.channel1.configureBlocking(false);
this.channel2.configureBlocking(false);
// bind and connect
this.channel1.socket().bind(localAddr2);
this.channel1.connect(localAddr1);
this.channel2.socket().bind(localAddr1);
this.channel2.connect(localAddr1);// the different addr
// write
ByteBuffer sourceBuf = ByteBuffer.wrap(sourceArray);
assertEquals(CAPACITY_NORMAL, this.channel1.write(sourceBuf));
// read
ByteBuffer targetBuf = ByteBuffer.wrap(targetArray);
assertEquals(0, this.channel2.read(targetBuf));
}
public void testReadWrite_NonBlock_WriterNotBind() throws Exception {
byte[] sourceArray = new byte[CAPACITY_NORMAL];
byte[] targetArray = new byte[CAPACITY_NORMAL];
for (int i = 0; i < sourceArray.length; i++) {
sourceArray[i] = (byte) i;
}
this.channel1.configureBlocking(false);
this.channel2.configureBlocking(false);
// bind and connect
this.channel1.connect(localAddr1);
this.channel2.socket().bind(localAddr1);
this.channel2.connect(localAddr2);
// write
ByteBuffer sourceBuf = ByteBuffer.wrap(sourceArray);
assertEquals(CAPACITY_NORMAL, this.channel1.write(sourceBuf));
// read
ByteBuffer targetBuf = ByteBuffer.wrap(targetArray);
assertEquals(0, this.channel2.read(targetBuf));
}
public void testReadWrite_NonBlock_ReaderNotBind() throws Exception {
byte[] sourceArray = new byte[CAPACITY_NORMAL];
byte[] targetArray = new byte[CAPACITY_NORMAL];
for (int i = 0; i < sourceArray.length; i++) {
sourceArray[i] = (byte) i;
}
this.channel1.configureBlocking(false);
this.channel2.configureBlocking(false);
// bind and connect
this.channel1.socket().bind(localAddr2);
this.channel1.connect(localAddr1);
this.channel2.connect(localAddr2);
// write
ByteBuffer sourceBuf = ByteBuffer.wrap(sourceArray);
assertEquals(CAPACITY_NORMAL, this.channel1.write(sourceBuf));
// read
ByteBuffer targetBuf = ByteBuffer.wrap(targetArray);
assertEquals(0, this.channel2.read(targetBuf));
}
public void test_write_LBuffer_positioned() throws Exception {
// Regression test for Harmony-683
int position = 16;
DatagramChannel dc = DatagramChannel.open();
byte[] sourceArray = new byte[CAPACITY_NORMAL];
dc.connect(localAddr1);
// write
ByteBuffer sourceBuf = ByteBuffer.wrap(sourceArray);
sourceBuf.position(position);
assertEquals(CAPACITY_NORMAL - position, dc.write(sourceBuf));
}
public void test_send_LBuffer_LSocketAddress_PositionNotZero()
throws Exception {
// regression test for Harmony-701
int CAPACITY_NORMAL = 256;
int position = 16;
DatagramChannel dc = DatagramChannel.open();
byte[] sourceArray = new byte[CAPACITY_NORMAL];
// send ByteBuffer whose position is not zero
ByteBuffer sourceBuf = ByteBuffer.wrap(sourceArray);
sourceBuf.position(position);
int ret = dc.send(sourceBuf, localAddr1);
// assert send (256 - 16) bytes
assertEquals(CAPACITY_NORMAL - position, ret);
// assert the position of ByteBuffer has been set
assertEquals(CAPACITY_NORMAL, sourceBuf.position());
}
/**
* @tests DatagramChannel#read(ByteBuffer[])
*/
public void test_read_$LByteBuffer() throws Exception {
// regression test for Harmony-754
channel2.socket().bind(localAddr1);
channel1.socket().bind(localAddr2);
channel1.connect(localAddr1);
channel2.connect(localAddr2);
channel2.write(ByteBuffer.allocate(CAPACITY_NORMAL));
ByteBuffer[] readBuf = new ByteBuffer[2];
readBuf[0] = ByteBuffer.allocateDirect(CAPACITY_NORMAL);
readBuf[1] = ByteBuffer.allocateDirect(CAPACITY_NORMAL);
channel1.configureBlocking(true);
assertEquals(CAPACITY_NORMAL, channel1.read(readBuf));
}
/**
* @tests DatagramChannel#read(ByteBuffer[],int,int)
*/
public void test_read_$LByteBufferII() throws Exception {
// regression test for Harmony-754
channel2.socket().bind(localAddr1);
channel1.socket().bind(localAddr2);
channel1.connect(localAddr1);
channel2.connect(localAddr2);
channel2.write(ByteBuffer.allocate(CAPACITY_NORMAL));
ByteBuffer[] readBuf = new ByteBuffer[2];
readBuf[0] = ByteBuffer.allocateDirect(CAPACITY_NORMAL);
readBuf[1] = ByteBuffer.allocateDirect(CAPACITY_NORMAL);
channel1.configureBlocking(true);
assertEquals(CAPACITY_NORMAL, channel1.read(readBuf,0,2));
}
/**
* @tests DatagramChannel#read(ByteBuffer)
*/
public void test_read_LByteBuffer_closed_nullBuf() throws Exception {
// regression test for Harmony-754
ByteBuffer c = null;
DatagramChannel channel = DatagramChannel.open();
channel.close();
try{
channel.read(c);
fail("Should throw NullPointerException");
} catch (NullPointerException e){
// expected
}
}
/**
* @tests DatagramChannel#read(ByteBuffer)
*/
public void test_read_LByteBuffer_NotConnected_nullBuf() throws Exception {
// regression test for Harmony-754
ByteBuffer c = null;
DatagramChannel channel = DatagramChannel.open();
try{
channel.read(c);
fail("Should throw NullPointerException");
} catch (NullPointerException e){
// expected
}
}
/**
* @tests DatagramChannel#read(ByteBuffer)
*/
public void test_read_LByteBuffer_readOnlyBuf() throws Exception {
// regression test for Harmony-754
ByteBuffer c = ByteBuffer.allocate(1);
DatagramChannel channel = DatagramChannel.open();
try{
channel.read(c.asReadOnlyBuffer());
fail("Should throw NotYetConnectedException");
} catch (NotYetConnectedException e){
// expected
}
channel.connect(localAddr1);
try{
channel.read(c.asReadOnlyBuffer());
fail("Should throw IllegalArgumentException");
} catch (IllegalArgumentException e){
// expected
}
}
/**
* @tests DatagramChannel#send(ByteBuffer, SocketAddress)
*/
public void test_send_LByteBuffer_LSocketAddress_closed() throws IOException{
// regression test for Harmony-913
channel1.close();
ByteBuffer buf = ByteBuffer.allocate(CAPACITY_NORMAL);
try {
channel1.send(buf, localAddr1);
fail("Should throw ClosedChannelException");
} catch (ClosedChannelException e) {
//pass
}
try {
channel1.send(null,localAddr1);
fail("Should throw NullPointerException");
} catch (NullPointerException e) {
//pass
}
try {
channel1.send(buf, null);
fail("Should throw ClosedChannelException");
} catch (ClosedChannelException e) {
//pass
}
try {
channel1.send(null, null);
fail("Should throw NullPointerException");
} catch (NullPointerException e) {
//pass
}
}
/**
* @tests DatagramChannel#socket()
*/
public void test_socket_IllegalBlockingModeException() throws Exception {
// regression test for Harmony-1036
DatagramChannel channel = DatagramChannel.open();
channel.configureBlocking(false);
DatagramSocket socket = channel.socket();
try {
socket.send(null);
fail("should throw IllegalBlockingModeException");
} catch (IllegalBlockingModeException e) {
// expected
}
try {
socket.receive(null);
fail("should throw IllegalBlockingModeException");
} catch (IllegalBlockingModeException e) {
// expected
}
}
// -------------------------------------------------------------------
// Mock class for security test.
// -------------------------------------------------------------------
private class MockSecurityManager extends SecurityManager {
String validHost = null;
int validPort = -1;
MockSecurityManager() {
super();
this.validHost = null;
}
MockSecurityManager(String host) {
super();
this.validHost = host;
}
MockSecurityManager(int port) {
super();
this.validPort = port;
}
public void checkPermission(Permission perm) {
// no-op
}
public void checkPermission(Permission perm, Object context) {
// no-op
}
public void checkConnect(String host, int port) {
// our local addr is OK.
if (null != this.validHost) {
if (!this.validHost.equals(host)) {
throw new SecurityException();
}
}
if ("127.0.0.1".equals(host)) {
return;
}
super.checkConnect(host, port);
}
public void checkAccept(String host, int port) {
// our local addr is OK.
if (null != this.validHost) {
if (!this.validHost.equals(host)) {
throw new SecurityException();
}
}
if (-1 != this.validPort) {
if (this.validPort != port) {
throw new SecurityException();
}
}
if ("127.0.0.1".equals(host)) {
return;
}
super.checkAccept(host, port);
}
}
}