HADOOP-6934. Test for ByteWritable comparator. Contributed by Johannes Zillmann.
git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@991821 13f79535-47bb-0310-9956-ffa450edef68
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@ -125,6 +125,9 @@ Trunk (unreleased changes)
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HADOOP-6803. Add native gzip read/write coverage to TestCodec.
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(Eli Collins via tomwhite)
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HADOOP-6934. Test for ByteWritable comparator.
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(Johannes Zillmann via Eli Collins)
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OPTIMIZATIONS
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HADOOP-6884. Add LOG.isDebugEnabled() guard for each LOG.debug(..).
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@ -0,0 +1,53 @@
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/**
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.hadoop.io;
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import java.io.IOException;
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import org.junit.Test;
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import static org.junit.Assert.*;
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public class TestBooleanWritable {
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@Test
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public void testCompareUnequalWritables() throws Exception {
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DataOutputBuffer bTrue = writeWritable(new BooleanWritable(true));
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DataOutputBuffer bFalse = writeWritable(new BooleanWritable(false));
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WritableComparator writableComparator =
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WritableComparator.get(BooleanWritable.class);
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assertEquals(0, compare(writableComparator, bTrue, bTrue));
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assertEquals(0, compare(writableComparator, bFalse, bFalse));
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assertEquals(1, compare(writableComparator, bTrue, bFalse));
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assertEquals(-1, compare(writableComparator, bFalse, bTrue));
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}
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private int compare(WritableComparator writableComparator,
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DataOutputBuffer buf1, DataOutputBuffer buf2) {
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return writableComparator.compare(buf1.getData(), 0, buf1.size(),
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buf2.getData(), 0, buf2.size());
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}
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protected DataOutputBuffer writeWritable(Writable writable)
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throws IOException {
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DataOutputBuffer out = new DataOutputBuffer(1024);
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writable.write(out);
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out.flush();
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return out;
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}
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}
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