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RecordingByteChannelTest.java
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RecordingByteChannelTest.java
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/*
* Copyright (c) 2002-2018 "Neo Technology,"
* Network Engine for Objects in Lund AB [http://neotechnology.com]
*
* This file is part of Neo4j.
*
* Neo4j is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.bolt.v1.messaging;
import org.junit.Test;
import java.nio.ByteBuffer;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.hamcrest.MatcherAssert.assertThat;
public class RecordingByteChannelTest
{
@Test
public void shouldBeAbleToWriteToThenReadFromChannel()
{
// Given
RecordingByteChannel channel = new RecordingByteChannel();
// When
byte[] data = new byte[]{1, 2, 3, 4, 5};
channel.write( ByteBuffer.wrap( data ) );
ByteBuffer buffer = ByteBuffer.allocate( 10 );
int bytesRead = channel.read( buffer );
// Then
assertThat( bytesRead, equalTo( 5 ) );
assertThat( buffer.array(), equalTo( new byte[]{1, 2, 3, 4, 5, 0, 0, 0, 0, 0} ) );
}
}