hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/io/file/tfile/TestCompression.java

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 * 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
 *
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package org.apache.hadoop.io.file.tfile;

import org.junit.Test;

import java.io.IOException;

import static org.junit.Assert.assertEquals;

public class TestCompression {

  /**
   * Regression test for HADOOP-11418.
   * Verify we can set a LZO codec different from default LZO codec.
   */
  @Test
  public void testConfigureLZOCodec() throws IOException {
    // Dummy codec
    String defaultCodec = "org.apache.hadoop.io.compress.DefaultCodec";
    Compression.Algorithm.conf.set(
        Compression.Algorithm.CONF_LZO_CLASS, defaultCodec);
    assertEquals(defaultCodec,
        Compression.Algorithm.LZO.getCodec().getClass().getName());
  }
}