/*
* Copyright (c) 2008-2017, Hazelcast, Inc. All Rights Reserved.
*
* 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 com.hazelcast.client.protocol;
import com.hazelcast.client.impl.protocol.ClientMessage;
import com.hazelcast.client.impl.protocol.util.ClientProtocolBuffer;
import com.hazelcast.test.HazelcastParallelClassRunner;
import com.hazelcast.test.annotation.ParallelTest;
import com.hazelcast.test.annotation.QuickTest;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import java.nio.ByteBuffer;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
/**
* ClientMessageAccumulator Tests
*/
@RunWith(HazelcastParallelClassRunner.class)
@Category({QuickTest.class, ParallelTest.class})
public class ClientMessageAccumulatorTest {
private static final byte[] BYTE_DATA = new byte[]{0, 0, 24, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
private static final int OFFSET = 2;
@Before
public void setUp() {
}
@After
public void tearDown() {
}
@Test
public void shouldAccumulateClientMessageCorrectly() {
ClientMessage accumulator = ClientMessage.create();
final ByteBuffer inBuffer = ByteBuffer.wrap(BYTE_DATA);
inBuffer.position(OFFSET);
accumulator.readFrom(inBuffer);
final ByteBuffer byteBuffer = accumulatedByteBuffer(accumulator.buffer(), accumulator.index());
assertEquals(0, byteBuffer.position());
assertEquals(accumulator.getFrameLength(), byteBuffer.limit());
for (int i = OFFSET; i < byteBuffer.limit(); i++) {
assertEquals(BYTE_DATA[i], byteBuffer.get());
}
assertTrue(accumulator.isComplete());
}
@Test
public void shouldNotAccumulateInCompleteFrameSize() {
ClientMessage accumulator = ClientMessage.create();
final byte[] array = new byte[]{1, 2, 3};
final ByteBuffer inBuffer = ByteBuffer.wrap(array);
assertFalse(accumulator.readFrom(inBuffer));
assertFalse(accumulator.isComplete());
}
/**
* setup the wrapped bytebuffer to point to this clientMessages data
*
* @return
*/
static ByteBuffer accumulatedByteBuffer(final ClientProtocolBuffer buffer, int index) {
if (buffer != null) {
ByteBuffer byteBuffer = ByteBuffer.wrap(buffer.byteArray());
byteBuffer.limit(index);
byteBuffer.position(index);
byteBuffer.flip();
return byteBuffer;
}
return null;
}
}