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.filter;
019
020import static org.junit.Assert.assertEquals;
021
022import java.nio.ByteBuffer;
023import org.apache.hadoop.hbase.HBaseClassTestRule;
024import org.apache.hadoop.hbase.testclassification.SmallTests;
025import org.apache.hadoop.hbase.util.Bytes;
026import org.junit.ClassRule;
027import org.junit.Test;
028import org.junit.experimental.categories.Category;
029
030@Category(SmallTests.class)
031public class TestLongComparator {
032  @ClassRule
033  public static final HBaseClassTestRule CLASS_RULE =
034      HBaseClassTestRule.forClass(TestLongComparator.class);
035
036  private long[] values = { Long.MIN_VALUE, -10000000000L, -1000000L, 0L, 1000000L, 10000000000L,
037    Long.MAX_VALUE };
038
039  @Test
040  public void testSimple() {
041    for (int i = 1; i < values.length ; i++) {
042      for (int j = 0; j < i; j++) {
043        LongComparator cp = new LongComparator(values[i]);
044        assertEquals(1, cp.compareTo(Bytes.toBytes(values[j])));
045        ByteBuffer data_bb = ByteBuffer.wrap(Bytes.toBytes(values[j]));
046        assertEquals(1, cp.compareTo(data_bb, 0, data_bb.capacity()));
047      }
048    }
049  }
050}