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.Assert.assertEquals; 021 022import java.math.BigDecimal; 023import java.math.BigInteger; 024import org.apache.hadoop.hbase.HBaseClassTestRule; 025import org.apache.hadoop.hbase.testclassification.MiscTests; 026import org.apache.hadoop.hbase.testclassification.SmallTests; 027import org.apache.hadoop.hbase.util.Order; 028import org.apache.hadoop.hbase.util.PositionedByteRange; 029import org.apache.hadoop.hbase.util.SimplePositionedMutableByteRange; 030import org.junit.ClassRule; 031import org.junit.Rule; 032import org.junit.Test; 033import org.junit.experimental.categories.Category; 034import org.junit.rules.ExpectedException; 035 036@Category({ MiscTests.class, SmallTests.class }) 037public class TestOrderedNumeric { 038 private static final Long[] LONG_VALUES = 039 new Long[] { 1L, 22L, 333L, 4444L, 55555L, 666666L, 7777777L, 88888888L, 999999999L }; 040 041 private static final Double[] DOUBLE_VALUES = new Double[] { Double.NaN, 1.1, 22.2, 333.3, 4444.4, 042 55555.5, 666666.6, 7777777.7, 88888888.8, 999999999.9 }; 043 044 private static final BigDecimal[] BIG_DECIMAL_VALUES = 045 new BigDecimal[] { new BigDecimal(1), new BigDecimal(22), new BigDecimal(333), 046 new BigDecimal(4444), new BigDecimal(55555), new BigDecimal(666666), new BigDecimal(7777777), 047 new BigDecimal(88888888), new BigDecimal(999999999) }; 048 049 private static final BigInteger[] BIG_INTEGER_VALUES = 050 new BigInteger[] { new BigInteger("1"), new BigInteger("22"), new BigInteger("333"), 051 new BigInteger("4444"), new BigInteger("55555"), new BigInteger("666666"), 052 new BigInteger("7777777"), new BigInteger("88888888"), new BigInteger("999999999") }; 053 054 @ClassRule 055 public static final HBaseClassTestRule CLASS_RULE = 056 HBaseClassTestRule.forClass(TestOrderedNumeric.class); 057 058 @Rule 059 public ExpectedException exception = ExpectedException.none(); 060 061 @Test 062 public void testEncodedClassIsNumber() { 063 final DataType<Number> type = new OrderedNumeric(Order.ASCENDING); 064 065 assertEquals(Number.class, type.encodedClass()); 066 } 067 068 @Test 069 public void testEncodedLength() { 070 final PositionedByteRange buffer = new SimplePositionedMutableByteRange(20); 071 for (final DataType<Number> type : new OrderedNumeric[] { new OrderedNumeric(Order.ASCENDING), 072 new OrderedNumeric(Order.DESCENDING) }) { 073 for (final Number val : DOUBLE_VALUES) { 074 buffer.setPosition(0); 075 type.encode(buffer, val); 076 assertEquals("encodedLength does not match actual, " + val, buffer.getPosition(), 077 type.encodedLength(val)); 078 } 079 } 080 } 081 082 @Test 083 public void testEncodedBigDecimalLength() { 084 final PositionedByteRange buffer = new SimplePositionedMutableByteRange(20); 085 for (final DataType<Number> type : new OrderedNumeric[] { new OrderedNumeric(Order.ASCENDING), 086 new OrderedNumeric(Order.DESCENDING) }) { 087 for (final Number val : BIG_DECIMAL_VALUES) { 088 buffer.setPosition(0); 089 type.encode(buffer, val); 090 assertEquals("encodedLength does not match actual, " + val, buffer.getPosition(), 091 type.encodedLength(val)); 092 } 093 } 094 } 095 096 @Test 097 public void testEncodedBigIntegerLength() { 098 final PositionedByteRange buffer = new SimplePositionedMutableByteRange(20); 099 for (final DataType<Number> type : new OrderedNumeric[] { new OrderedNumeric(Order.ASCENDING), 100 new OrderedNumeric(Order.DESCENDING) }) { 101 for (final Number val : BIG_INTEGER_VALUES) { 102 buffer.setPosition(0); 103 type.encode(buffer, val); 104 assertEquals("encodedLength does not match actual, " + val, buffer.getPosition(), 105 type.encodedLength(val)); 106 } 107 } 108 } 109 110 @Test 111 public void testEncodedNullLength() { 112 final PositionedByteRange buffer = new SimplePositionedMutableByteRange(20); 113 final DataType<Number> type = new OrderedNumeric(Order.ASCENDING); 114 115 buffer.setPosition(0); 116 type.encode(buffer, null); 117 type.encode(new SimplePositionedMutableByteRange(20), null); 118 119 assertEquals("encodedLength does not match actual, " + null, buffer.getPosition(), 120 type.encodedLength(null)); 121 } 122 123 @Test 124 public void testEncodedLongLength() { 125 final PositionedByteRange buffer = new SimplePositionedMutableByteRange(20); 126 for (final OrderedNumeric type : new OrderedNumeric[] { new OrderedNumeric(Order.ASCENDING), 127 new OrderedNumeric(Order.DESCENDING) }) { 128 for (final Long val : LONG_VALUES) { 129 buffer.setPosition(0); 130 type.encodeLong(buffer, val); 131 assertEquals("encodedLength does not match actual, " + val, buffer.getPosition(), 132 type.encodedLength(val)); 133 } 134 } 135 } 136 137 @Test 138 public void testEncodedDoubleLength() { 139 final PositionedByteRange buffer = new SimplePositionedMutableByteRange(20); 140 for (final OrderedNumeric type : new OrderedNumeric[] { new OrderedNumeric(Order.ASCENDING), 141 new OrderedNumeric(Order.DESCENDING) }) { 142 for (final Double val : DOUBLE_VALUES) { 143 buffer.setPosition(0); 144 type.encodeDouble(buffer, val); 145 assertEquals("encodedLength does not match actual, " + val, buffer.getPosition(), 146 type.encodedLength(val)); 147 } 148 } 149 } 150}