/**
* Copyright 2013 Cloudera Inc.
*
* 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.kitesdk.data.hbase.avro.io;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.nio.ByteBuffer;
import org.apache.avro.io.Decoder;
import org.apache.avro.io.Encoder;
import org.apache.avro.util.Utf8;
import org.junit.Test;
public class MemcmpDecoderTest {
@Test
public void testDecodeInt() throws Exception {
InputStream in = new ByteArrayInputStream(new byte[] { (byte) 0x80,
(byte) 0x00, (byte) 0x00, (byte) 0x01 });
Decoder decoder = new MemcmpDecoder(in);
int i = decoder.readInt();
assertEquals(1, i);
in = new ByteArrayInputStream(new byte[] { (byte) 0x7f, (byte) 0xff,
(byte) 0xff, (byte) 0xff });
decoder = new MemcmpDecoder(in);
i = decoder.readInt();
assertEquals(-1, i);
in = new ByteArrayInputStream(new byte[] { (byte) 0x80, (byte) 0x00,
(byte) 0x00, (byte) 0x00 });
decoder = new MemcmpDecoder(in);
i = decoder.readInt();
assertEquals(0, i);
}
@Test
public void testDecodeLong() throws Exception {
InputStream in = new ByteArrayInputStream(new byte[] { (byte) 0x80,
(byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,
(byte) 0x00, (byte) 0x01 });
Decoder decoder = new MemcmpDecoder(in);
long i = decoder.readLong();
assertEquals(1L, i);
in = new ByteArrayInputStream(new byte[] { (byte) 0x7f, (byte) 0xff,
(byte) 0xff, (byte) 0xff, (byte) 0xff, (byte) 0xff, (byte) 0xff,
(byte) 0xff });
decoder = new MemcmpDecoder(in);
i = decoder.readLong();
assertEquals(-1L, i);
in = new ByteArrayInputStream(new byte[] { (byte) 0x80, (byte) 0x00,
(byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,
(byte) 0x00 });
decoder = new MemcmpDecoder(in);
i = decoder.readLong();
assertEquals(0L, i);
}
@Test
public void testReadBytes() throws Exception {
InputStream in = new ByteArrayInputStream(new byte[] { (byte) 0x01,
(byte) 0x00, (byte) 0x01, (byte) 0xff, (byte) 0x00, (byte) 0x00 });
Decoder decoder = new MemcmpDecoder(in);
ByteBuffer bytes = decoder.readBytes(null);
assertArrayEquals(new byte[] { (byte) 0x01, (byte) 0x00, (byte) 0xff },
bytes.array());
}
@Test
public void testReadEncoderOutput() throws Exception {
ByteArrayOutputStream byteOutputStream = new ByteArrayOutputStream();
Encoder encoder = new MemcmpEncoder(byteOutputStream);
encoder.writeFloat(1.1f);
InputStream in = new ByteArrayInputStream(byteOutputStream.toByteArray());
Decoder decoder = new MemcmpDecoder(in);
float readFloat = decoder.readFloat();
assertEquals(1.1f, readFloat, 0.0001);
byteOutputStream = new ByteArrayOutputStream();
encoder = new MemcmpEncoder(byteOutputStream);
encoder.writeDouble(1.1d);
in = new ByteArrayInputStream(byteOutputStream.toByteArray());
decoder = new MemcmpDecoder(in);
double readDouble = decoder.readDouble();
assertEquals(1.1d, readDouble, 0.0001);
byteOutputStream = new ByteArrayOutputStream();
encoder = new MemcmpEncoder(byteOutputStream);
encoder.writeString("hello there");
in = new ByteArrayInputStream(byteOutputStream.toByteArray());
decoder = new MemcmpDecoder(in);
Utf8 readString = decoder.readString(null);
assertEquals("hello there", readString.toString());
}
}