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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.hadoop.hbase.codec.prefixtree.timestamp;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.util.Collection;
import org.apache.hadoop.hbase.nio.SingleByteBuff;
import org.apache.hadoop.hbase.testclassification.MiscTests;
import org.apache.hadoop.hbase.testclassification.SmallTests;
import org.apache.hadoop.hbase.codec.prefixtree.PrefixTreeBlockMeta;
import org.apache.hadoop.hbase.codec.prefixtree.decode.timestamp.TimestampDecoder;
import org.apache.hadoop.hbase.codec.prefixtree.encode.other.LongEncoder;
import org.junit.Assert;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;
@Category({MiscTests.class, SmallTests.class})
@RunWith(Parameterized.class)
public class TestTimestampEncoder {
@Parameters
public static Collection<Object[]> parameters() {
return new TestTimestampData.InMemory().getAllAsObjectArray();
}
private TestTimestampData timestamps;
private PrefixTreeBlockMeta blockMeta;
private LongEncoder encoder;
private byte[] bytes;
private TimestampDecoder decoder;
public TestTimestampEncoder(TestTimestampData testTimestamps) throws IOException {
this.timestamps = testTimestamps;
this.blockMeta = new PrefixTreeBlockMeta();
this.blockMeta.setNumMetaBytes(0);
this.blockMeta.setNumRowBytes(0);
this.blockMeta.setNumQualifierBytes(0);
this.encoder = new LongEncoder();
for (Long ts : testTimestamps.getInputs()) {
encoder.add(ts);
}
encoder.compile();
blockMeta.setTimestampFields(encoder);
bytes = encoder.getByteArray();
decoder = new TimestampDecoder();
decoder.initOnBlock(blockMeta, new SingleByteBuff(ByteBuffer.wrap(bytes)));
}
@Test
public void testCompressorMinimum() {
Assert.assertEquals(timestamps.getMinimum(), encoder.getMin());
}
@Test
public void testCompressorRoundTrip() {
long[] outputs = encoder.getSortedUniqueTimestamps();
for (int i = 0; i < timestamps.getOutputs().size(); ++i) {
long input = timestamps.getOutputs().get(i);
long output = outputs[i];
Assert.assertEquals(input, output);
}
}
@Test
public void testReaderMinimum() {
Assert.assertEquals(timestamps.getMinimum(), decoder.getLong(0));
}
@Test
public void testReaderRoundTrip() {
for (int i = 0; i < timestamps.getOutputs().size(); ++i) {
long input = timestamps.getOutputs().get(i);
long output = decoder.getLong(i);
Assert.assertEquals(input, output);
}
}
}