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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.qpid.server.store.berkeleydb;
import org.apache.qpid.framing.AMQShortString;
import com.sleepycat.bind.tuple.TupleInput;
import com.sleepycat.bind.tuple.TupleOutput;
import junit.framework.TestCase;
/**
* Tests for {@code AMQShortStringEncoding} including corner cases when string
* is null or over 127 characters in length
*/
public class AMQShortStringEncodingTest extends TestCase
{
public void testWriteReadNullValues()
{
// write into tuple output
TupleOutput tupleOutput = new TupleOutput();
AMQShortStringEncoding.writeShortString(null, tupleOutput);
byte[] data = tupleOutput.getBufferBytes();
// read from tuple input
TupleInput tupleInput = new TupleInput(data);
AMQShortString result = AMQShortStringEncoding.readShortString(tupleInput);
assertNull("Expected null but got " + result, result);
}
public void testWriteReadShortStringWithLengthOver127()
{
AMQShortString value = createString('a', 128);
// write into tuple output
TupleOutput tupleOutput = new TupleOutput();
AMQShortStringEncoding.writeShortString(value, tupleOutput);
byte[] data = tupleOutput.getBufferBytes();
// read from tuple input
TupleInput tupleInput = new TupleInput(data);
AMQShortString result = AMQShortStringEncoding.readShortString(tupleInput);
assertEquals("Expected " + value + " but got " + result, value, result);
}
public void testWriteReadShortStringWithLengthLess127()
{
AMQShortString value = new AMQShortString("test");
// write into tuple output
TupleOutput tupleOutput = new TupleOutput();
AMQShortStringEncoding.writeShortString(value, tupleOutput);
byte[] data = tupleOutput.getBufferBytes();
// read from tuple input
TupleInput tupleInput = new TupleInput(data);
AMQShortString result = AMQShortStringEncoding.readShortString(tupleInput);
assertEquals("Expected " + value + " but got " + result, value, result);
}
private AMQShortString createString(char ch, int length)
{
StringBuilder sb = new StringBuilder();
for (int i = 0; i < length; i++)
{
sb.append(ch);
}
return new AMQShortString(sb.toString());
}
}
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