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.types;
019
020import static org.junit.jupiter.api.Assertions.assertEquals;
021
022import java.math.BigDecimal;
023import java.math.BigInteger;
024import org.apache.hadoop.hbase.testclassification.MiscTests;
025import org.apache.hadoop.hbase.testclassification.SmallTests;
026import org.apache.hadoop.hbase.util.Order;
027import org.apache.hadoop.hbase.util.PositionedByteRange;
028import org.apache.hadoop.hbase.util.SimplePositionedMutableByteRange;
029import org.junit.jupiter.api.Tag;
030import org.junit.jupiter.api.Test;
031
032@Tag(MiscTests.TAG)
033@Tag(SmallTests.TAG)
034public class TestOrderedNumeric {
035  private static final Long[] LONG_VALUES =
036    new Long[] { 1L, 22L, 333L, 4444L, 55555L, 666666L, 7777777L, 88888888L, 999999999L };
037
038  private static final Double[] DOUBLE_VALUES = new Double[] { Double.NaN, 1.1, 22.2, 333.3, 4444.4,
039    55555.5, 666666.6, 7777777.7, 88888888.8, 999999999.9 };
040
041  private static final BigDecimal[] BIG_DECIMAL_VALUES =
042    new BigDecimal[] { new BigDecimal(1), new BigDecimal(22), new BigDecimal(333),
043      new BigDecimal(4444), new BigDecimal(55555), new BigDecimal(666666), new BigDecimal(7777777),
044      new BigDecimal(88888888), new BigDecimal(999999999) };
045
046  private static final BigInteger[] BIG_INTEGER_VALUES =
047    new BigInteger[] { new BigInteger("1"), new BigInteger("22"), new BigInteger("333"),
048      new BigInteger("4444"), new BigInteger("55555"), new BigInteger("666666"),
049      new BigInteger("7777777"), new BigInteger("88888888"), new BigInteger("999999999") };
050
051  @Test
052  public void testEncodedClassIsNumber() {
053    final DataType<Number> type = new OrderedNumeric(Order.ASCENDING);
054
055    assertEquals(Number.class, type.encodedClass());
056  }
057
058  @Test
059  public void testEncodedLength() {
060    final PositionedByteRange buffer = new SimplePositionedMutableByteRange(20);
061    for (final DataType<Number> type : new OrderedNumeric[] { new OrderedNumeric(Order.ASCENDING),
062      new OrderedNumeric(Order.DESCENDING) }) {
063      for (final Number val : DOUBLE_VALUES) {
064        buffer.setPosition(0);
065        type.encode(buffer, val);
066        assertEquals(buffer.getPosition(), type.encodedLength(val),
067          "encodedLength does not match actual, " + val);
068      }
069    }
070  }
071
072  @Test
073  public void testEncodedBigDecimalLength() {
074    final PositionedByteRange buffer = new SimplePositionedMutableByteRange(20);
075    for (final DataType<Number> type : new OrderedNumeric[] { new OrderedNumeric(Order.ASCENDING),
076      new OrderedNumeric(Order.DESCENDING) }) {
077      for (final Number val : BIG_DECIMAL_VALUES) {
078        buffer.setPosition(0);
079        type.encode(buffer, val);
080        assertEquals(buffer.getPosition(), type.encodedLength(val),
081          "encodedLength does not match actual, " + val);
082      }
083    }
084  }
085
086  @Test
087  public void testEncodedBigIntegerLength() {
088    final PositionedByteRange buffer = new SimplePositionedMutableByteRange(20);
089    for (final DataType<Number> type : new OrderedNumeric[] { new OrderedNumeric(Order.ASCENDING),
090      new OrderedNumeric(Order.DESCENDING) }) {
091      for (final Number val : BIG_INTEGER_VALUES) {
092        buffer.setPosition(0);
093        type.encode(buffer, val);
094        assertEquals(buffer.getPosition(), type.encodedLength(val),
095          "encodedLength does not match actual, " + val);
096      }
097    }
098  }
099
100  @Test
101  public void testEncodedNullLength() {
102    final PositionedByteRange buffer = new SimplePositionedMutableByteRange(20);
103    final DataType<Number> type = new OrderedNumeric(Order.ASCENDING);
104
105    buffer.setPosition(0);
106    type.encode(buffer, null);
107    type.encode(new SimplePositionedMutableByteRange(20), null);
108
109    assertEquals(buffer.getPosition(), type.encodedLength(null),
110      "encodedLength does not match actual, " + null);
111  }
112
113  @Test
114  public void testEncodedLongLength() {
115    final PositionedByteRange buffer = new SimplePositionedMutableByteRange(20);
116    for (final OrderedNumeric type : new OrderedNumeric[] { new OrderedNumeric(Order.ASCENDING),
117      new OrderedNumeric(Order.DESCENDING) }) {
118      for (final Long val : LONG_VALUES) {
119        buffer.setPosition(0);
120        type.encodeLong(buffer, val);
121        assertEquals(buffer.getPosition(), type.encodedLength(val),
122          "encodedLength does not match actual, " + val);
123      }
124    }
125  }
126
127  @Test
128  public void testEncodedDoubleLength() {
129    final PositionedByteRange buffer = new SimplePositionedMutableByteRange(20);
130    for (final OrderedNumeric type : new OrderedNumeric[] { new OrderedNumeric(Order.ASCENDING),
131      new OrderedNumeric(Order.DESCENDING) }) {
132      for (final Double val : DOUBLE_VALUES) {
133        buffer.setPosition(0);
134        type.encodeDouble(buffer, val);
135        assertEquals(buffer.getPosition(), type.encodedLength(val),
136          "encodedLength does not match actual, " + val);
137      }
138    }
139  }
140}