001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.io.encoding;
019
020import static org.junit.Assert.assertTrue;
021import static org.junit.Assert.fail;
022
023import org.apache.hadoop.hbase.HBaseClassTestRule;
024import org.apache.hadoop.hbase.testclassification.SmallTests;
025import org.junit.ClassRule;
026import org.junit.Test;
027import org.junit.experimental.categories.Category;
028
029@Category(SmallTests.class)
030public class TestDataBlockEncoding {
031
032  @ClassRule
033  public static final HBaseClassTestRule CLASS_RULE =
034    HBaseClassTestRule.forClass(TestDataBlockEncoding.class);
035
036  @Test
037  public void testGetDataBlockEncoder() throws Exception {
038    for (DataBlockEncoding algo : DataBlockEncoding.values()) {
039      DataBlockEncoder encoder = DataBlockEncoding.getDataBlockEncoderById(algo.getId());
040      if (algo.getId() != 0) {
041        assertTrue(DataBlockEncoding.isCorrectEncoder(encoder, algo.getId()));
042      }
043    }
044    try {
045      DataBlockEncoding.getDataBlockEncoderById((short) -1);
046      fail("Illegal encoderId, should get IllegalArgumentException.");
047    } catch (IllegalArgumentException ie) {
048    }
049    try {
050      DataBlockEncoding.getDataBlockEncoderById(Byte.MAX_VALUE);
051      // fail because idArray[Byte.MAX_VALUE] = null
052      fail("Illegal encoderId, should get IllegalArgumentException.");
053    } catch (IllegalArgumentException ie) {
054    }
055  }
056
057}