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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,
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package org.apache.cassandra.io.sstable;
import com.google.common.io.ByteArrayDataInput;
import com.google.common.io.ByteArrayDataOutput;
import com.google.common.io.ByteStreams;
import org.junit.Test;
import org.apache.cassandra.dht.IPartitioner;
import org.apache.cassandra.dht.RandomPartitioner;
import org.apache.cassandra.utils.ByteBufferUtil;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
public class IndexSummaryTest
{
@Test
public void testAddEmptyKey() throws Exception
{
IPartitioner p = new RandomPartitioner();
IndexSummaryBuilder builder = new IndexSummaryBuilder(1);
builder.maybeAddEntry(p.decorateKey(ByteBufferUtil.EMPTY_BYTE_BUFFER), 0);
IndexSummary summary = builder.build(p);
assertEquals(1, summary.size());
assertEquals(0, summary.getPosition(0));
assertArrayEquals(new byte[0], summary.getKey(0));
ByteArrayDataOutput bout = ByteStreams.newDataOutput();
IndexSummary.serializer.serialize(summary, bout);
ByteArrayDataInput bin = ByteStreams.newDataInput(bout.toByteArray());
IndexSummary loaded = IndexSummary.serializer.deserialize(bin, p);
assertEquals(1, loaded.size());
assertEquals(summary.getPosition(0), loaded.getPosition(0));
assertArrayEquals(summary.getKey(0), summary.getKey(0));
}
}