// $Id: MessageTest.java,v 1.13 2005/07/08 11:28:26 belaban Exp $
package org.jgroups.tests;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jgroups.Message;
import org.jgroups.conf.ClassConfigurator;
import org.jgroups.protocols.UdpHeader;
import org.jgroups.protocols.TpHeader;
import org.jgroups.protocols.PingHeader;
import org.jgroups.protocols.pbcast.NakAckHeader;
import org.jgroups.stack.IpAddress;
import org.jgroups.util.Range;
import org.jgroups.util.Util;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
public class MessageTest extends TestCase {
Message m1, m2;
public MessageTest(String name) {
super(name);
}
public void testBufferSize() throws Exception {
m1=new Message(null, null, "bela");
assertNotNull(m1.getRawBuffer());
assertNotNull(m1.getBuffer());
assertEquals(m1.getBuffer().length, m1.getLength());
byte[] new_buf={'m', 'i', 'c', 'h', 'e', 'l', 'l', 'e'};
m1.setBuffer(new_buf);
assertNotNull(m1.getRawBuffer());
assertNotNull(m1.getBuffer());
assertEquals(new_buf.length, m1.getLength());
assertEquals(m1.getBuffer().length, m1.getLength());
}
public void testBufferOffset() throws Exception {
byte[] buf={'b', 'e', 'l', 'a', 'b', 'a', 'n'};
m1=new Message(null, null, buf, 0, 4);
m2=new Message(null, null, buf, 4, 3);
byte[] b1, b2;
b1=new byte[m1.getLength()];
System.arraycopy(m1.getRawBuffer(), m1.getOffset(), b1, 0, m1.getLength());
b2=new byte[m2.getLength()];
System.arraycopy(m2.getRawBuffer(), m2.getOffset(), b2, 0, m2.getLength());
assertEquals(4, b1.length);
assertEquals(3, b2.length);
}
public void testInvalidOffset() {
byte[] buf={'b', 'e', 'l', 'a', 'b', 'a', 'n'};
try {
m1=new Message(null, null, buf, -1, 4);
fail("we should not get here (offset is -1)");
}
catch(ArrayIndexOutOfBoundsException ex) {
assertTrue("correct: offset is invalid (caught correctly)", true);
}
}
public void testInvalidLength() {
byte[] buf={'b', 'e', 'l', 'a', 'b', 'a', 'n'};
try {
m1=new Message(null, null, buf, 3, 6);
fail("we should not get here (length is 9)");
}
catch(ArrayIndexOutOfBoundsException ex) {
assertTrue("correct: length is invalid (caught correctly)", true);
}
}
public void testGetRawBuffer() {
byte[] buf={'b', 'e', 'l', 'a', 'b', 'a', 'n'};
m1=new Message(null, null, buf, 0, 4);
m2=new Message(null, null, buf, 4, 3);
assertEquals(buf.length, m1.getRawBuffer().length);
assertEquals(4, m1.getBuffer().length);
assertEquals(4, m1.getLength());
assertEquals(buf.length, m2.getRawBuffer().length);
assertEquals(3, m2.getBuffer().length);
assertEquals(3, m2.getLength());
}
public void testSerialization() throws Exception {
byte[] buf={'b', 'e', 'l', 'a', 'b', 'a', 'n'};
byte[] tmp;
m1=new Message(null, null, buf, 0, 4);
m2=new Message(null, null, buf, 4, 3);
ByteArrayOutputStream output=new ByteArrayOutputStream();
ObjectOutputStream out=new ObjectOutputStream(output);
out.writeObject(m1);
output.close();
tmp=output.toByteArray();
ByteArrayInputStream input=new ByteArrayInputStream(tmp);
ObjectInputStream in=new ObjectInputStream(input);
Message m3, m4;
m3=(Message)in.readObject();
assertEquals(4, m3.getLength());
assertEquals(4, m3.getRawBuffer().length);
assertEquals(4, m3.getBuffer().length);
assertEquals(0, m3.getOffset());
output=new ByteArrayOutputStream();
out=new ObjectOutputStream(output);
out.writeObject(m2);
output.close();
tmp=output.toByteArray();
input=new ByteArrayInputStream(tmp);
in=new ObjectInputStream(input);
m4=(Message)in.readObject();
assertEquals(3, m4.getLength());
assertEquals(3, m4.getBuffer().length);
assertEquals(3, m4.getRawBuffer().length);
assertEquals(0, m4.getOffset());
}
public void testSetObject() {
String s1="Bela Ban";
m1=new Message(null, null, s1);
assertEquals(0, m1.getOffset());
assertEquals(m1.getBuffer().length, m1.getLength());
String s2=(String)m1.getObject();
assertEquals(s2, s1);
}
public void testReset() {
m1=new Message(null, null, "Bela Ban");
m1.reset();
assertEquals(0, m1.getOffset());
assertEquals(0, m1.getLength());
assertNull(m1.getBuffer());
assertNull(m1.getRawBuffer());
}
public void testCopy() {
m1=new Message(null, null, "Bela Ban");
m2=m1.copy();
assertEquals(m1.getOffset(), m2.getOffset());
assertEquals(m1.getLength(), m2.getLength());
}
public void testCopyWithOffset() {
byte[] buf={'b', 'e', 'l', 'a', 'b', 'a', 'n'};
m1=new Message(null, null, buf, 0, 4);
m2=new Message(null, null, buf, 4, 3);
Message m3, m4;
m3=m1.copy();
m4=m2.copy();
assertEquals(0, m3.getOffset());
assertEquals(4, m3.getLength());
assertEquals(4, m3.getBuffer().length);
assertEquals(4, m4.getOffset());
assertEquals(3, m4.getLength());
assertEquals(3, m4.getBuffer().length);
}
public void testComputeFragOffsets() {
Range r;
byte[] buf={0,1,2,3,4,5,6,7,8,9};
java.util.List retval=Util.computeFragOffsets(buf, 4);
System.out.println("list is " + retval);
assertEquals(3, retval.size());
r=(Range)retval.get(0);
assertEquals(0, r.low);
assertEquals(4, r.high);
r=(Range)retval.get(1);
assertEquals(4, r.low);
assertEquals(4, r.high);
r=(Range)retval.get(2);
assertEquals(8, r.low);
assertEquals(2, r.high);
}
public void testComputeFragOffsetsWithOffsets() {
Range r;
// byte[] buf={'p', 'a', 'd', 0,1,2,3,4,5,6,7,8,9, 'p', 'a', 'd', 'd', 'i', 'e'};
java.util.List retval=Util.computeFragOffsets(3, 10, 4);
System.out.println("list is " + retval);
assertEquals(3, retval.size());
r=(Range)retval.get(0);
assertEquals(3, r.low);
assertEquals(4, r.high);
r=(Range)retval.get(1);
assertEquals(7, r.low);
assertEquals(4, r.high);
r=(Range)retval.get(2);
assertEquals(11, r.low);
assertEquals(2, r.high);
}
public void testComputeFragOffsets2() {
Range r;
byte[] buf={0,1,2,3,4,5,6,7,8,9};
java.util.List retval=Util.computeFragOffsets(buf, 10);
System.out.println("list is " + retval);
assertEquals(1, retval.size());
r=(Range)retval.get(0);
assertEquals(0, r.low);
assertEquals(10, r.high);
}
public void testComputeFragOffsets3() {
Range r;
byte[] buf={0,1,2,3,4,5,6,7,8,9};
java.util.List retval=Util.computeFragOffsets(buf, 100);
System.out.println("list is " + retval);
assertEquals(1, retval.size());
r=(Range)retval.get(0);
assertEquals(0, r.low);
assertEquals(10, r.high);
}
public void testComputeFragOffsets4() {
Range r;
byte[] buf={0,1,2,3,4,5,6,7,8,9};
java.util.List retval=Util.computeFragOffsets(buf, 5);
System.out.println("list is " + retval);
assertEquals(2, retval.size());
r=(Range)retval.get(0);
assertEquals(0, r.low);
assertEquals(5, r.high);
r=(Range)retval.get(1);
assertEquals(5, r.low);
assertEquals(5, r.high);
}
public void testSizeNullMessage() throws Exception {
Message msg=new Message();
_testSize(msg);
}
public void testSizeMessageWithDest() throws Exception {
Message msg=new Message(new IpAddress("127.0.0.1", 3333), null, null);
_testSize(msg);
}
public void testSizeMessageWithSrc() throws Exception {
Message msg=new Message(null, new IpAddress("127.0.0.1", 4444), null);
_testSize(msg);
}
public void testSizeMessageWithDestAndSrc() throws Exception {
Message msg=new Message(new IpAddress("127.0.0.1", 3333), new IpAddress("127.0.0.1", 4444), null);
_testSize(msg);
}
public void testSizeMessageWithBuffer() throws Exception {
Message msg=new Message(null, null, "bela".getBytes());
_testSize(msg);
}
public void testSizeMessageWithBuffer2() throws Exception {
Message msg=new Message(null, null, new byte[]{'b', 'e', 'l', 'a'});
_testSize(msg);
}
public void testSizeMessageWithBuffer3() throws Exception {
Message msg=new Message(null, null, "bela");
_testSize(msg);
}
public void testSizeMessageWithAdditionalData() throws Exception {
IpAddress dest=new IpAddress("127.0.0.1", 5555);
dest.setAdditionalData("bela".getBytes());
Message msg=new Message(dest, null, null);
_testSize(msg);
}
public void testSizeMessageWithDestAndSrcAndHeaders() throws Exception {
ClassConfigurator.getInstance(true);
Message msg=new Message(new IpAddress("127.0.0.1", 3333), new IpAddress("127.0.0.1", 4444), "bela".getBytes());
addHeaders(msg);
_testSize(msg);
}
private void addHeaders(Message msg) {
UdpHeader udp_hdr=new UdpHeader("DemoChannel");
msg.putHeader("UDP", udp_hdr);
TpHeader tp_hdr=new TpHeader("DemoChannel2");
msg.putHeader("TP", tp_hdr);
PingHeader ping_hdr=new PingHeader(PingHeader.GET_MBRS_REQ, null);
msg.putHeader("PING", ping_hdr);
NakAckHeader nak_hdr=new NakAckHeader(NakAckHeader.XMIT_REQ, 100, 104);
msg.putHeader("NAKACK", nak_hdr);
}
private void _testSize(Message msg) throws Exception {
long size=msg.size();
byte[] serialized_form=Util.streamableToByteBuffer(msg);
System.out.println("size=" + size + ", serialized size=" + serialized_form.length);
assertEquals(size, serialized_form.length);
}
public static Test suite() {
TestSuite s=new TestSuite(MessageTest.class);
return s;
}
public static void main(String[] args) {
junit.textui.TestRunner.run(suite());
}
}