/**
*
* Copyright 2004 Hiram Chirino
*
* Licensed 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.activeio.packet;
import java.util.Arrays;
import junit.framework.TestCase;
import org.activeio.Packet;
/**
*/
abstract public class PacketTestSupport extends TestCase {
abstract Packet createTestPacket(int capacity);
public void testInit() {
Packet packet = createTestPacket(100);
assertEquals( 100, packet.capacity() );
assertEquals( 0, packet.position());
assertEquals( 100, packet.limit() );
assertEquals( 100, packet.remaining() );
assertTrue( packet.hasRemaining() );
}
public void testPosition() {
Packet packet = createTestPacket(100);
packet.position(10);
assertEquals( 10, packet.position() );
}
public void testLimit() {
Packet packet = createTestPacket(100);
packet.limit(10);
assertEquals( 10, packet.limit() );
}
public void testRemaining() {
Packet packet = createTestPacket(100);
packet.position(5);
packet.limit(95);
assertEquals(90, packet.remaining());
assertTrue(packet.hasRemaining());
packet.position(5);
packet.limit(5);
assertEquals(0, packet.remaining());
assertFalse(packet.hasRemaining());
}
public void testFlip() {
Packet packet = createTestPacket(100);
packet.position(95);
packet.flip();
assertEquals(0, packet.position());
assertEquals(95, packet.limit());
}
public void testClear() {
Packet packet = createTestPacket(100);
packet.position(5);
packet.limit(95);
packet.clear();
assertEquals(0, packet.position());
assertEquals(100, packet.limit());
}
public void testDuplicate() {
Packet packet = createTestPacket(100);
packet.position(5);
packet.limit(95);
Packet packet2 = packet.duplicate();
packet2.position(10);
packet2.limit(20);
assertEquals(5, packet.position());
assertEquals(95, packet.limit());
assertEquals(10, packet2.position());
assertEquals(20, packet2.limit());
}
public void testRewind() {
Packet packet = createTestPacket(100);
packet.position(5);
packet.limit(95);
packet.rewind();
assertEquals(0, packet.position());
assertEquals(95, packet.limit());
}
public void testSlice() {
Packet packet = createTestPacket(100);
packet.position(5);
packet.limit(95);
Packet packet2 = packet.slice();
assertEquals(0, packet2.position());
assertEquals(90, packet2.capacity());
assertEquals(90, packet2.limit());
}
public void testWriteAndReadByte() {
Packet packet = createTestPacket(256);
for(int i=0; i < 256; i++) {
assertTrue(packet.write(i));
}
assertFalse(packet.write(0));
packet.flip();
for(int i=0; i < 256; i++) {
assertEquals(i, packet.read());
}
assertEquals(-1, packet.read());
}
public void testWriteAndReadBulkByte() {
byte data[] = new byte[10];
Packet packet = createTestPacket(data.length*10);
for(int i=0; i < 10; i++) {
Arrays.fill(data,(byte)i);
assertEquals(data.length, packet.write(data,0,data.length));
}
assertEquals(-1, packet.write(data,0,data.length));
byte buffer[] = new byte[data.length];
packet.flip();
for(int i=0; i < 10; i++) {
assertEquals(buffer.length, packet.read(buffer,0,buffer.length));
Arrays.fill(data,(byte)i);
assertEquals(buffer, data);
}
assertEquals(-1, packet.read(buffer,0,buffer.length));
}
public void assertEquals(byte buffer[], byte data[]) {
assertEquals(buffer.length, data.length);
for (int i = 0; i < data.length; i++) {
assertEquals(buffer[i], data[i]);
}
}
}