| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * 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 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.hadoop.hbase.filter; |
| |
| import java.math.BigDecimal; |
| import org.apache.hadoop.hbase.HBaseClassTestRule; |
| import org.apache.hadoop.hbase.testclassification.FilterTests; |
| import org.apache.hadoop.hbase.testclassification.SmallTests; |
| import org.apache.hadoop.hbase.util.Bytes; |
| import org.junit.Assert; |
| import org.junit.ClassRule; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| @Category({ FilterTests.class, SmallTests.class }) |
| public class TestBigDecimalComparator { |
| |
| @ClassRule |
| public static final HBaseClassTestRule CLASS_RULE = |
| HBaseClassTestRule.forClass(TestBigDecimalComparator.class); |
| |
| @Test |
| public void testObjectEquals() { |
| BigDecimal bd = new BigDecimal(Double.MIN_VALUE); |
| // Check that equals returns true for identical objects |
| final BigDecimalComparator bdc = new BigDecimalComparator(bd); |
| Assert.assertTrue(bdc.equals(bdc)); |
| Assert.assertEquals(bdc.hashCode(), bdc.hashCode()); |
| |
| // Check that equals returns true for the same object |
| final BigDecimalComparator bdc1 = new BigDecimalComparator(bd); |
| final BigDecimalComparator bdc2 = new BigDecimalComparator(bd); |
| Assert.assertTrue(bdc1.equals(bdc2)); |
| Assert.assertEquals(bdc1.hashCode(), bdc2.hashCode()); |
| |
| // Check that equals returns false for different objects |
| final BigDecimalComparator bdc3 = new BigDecimalComparator(bd); |
| final BigDecimalComparator bdc4 = new BigDecimalComparator(new BigDecimal(Long.MIN_VALUE)); |
| Assert.assertFalse(bdc3.equals(bdc4)); |
| Assert.assertNotEquals(bdc3.hashCode(), bdc4.hashCode()); |
| |
| // Check that equals returns false for a different type |
| final BigDecimalComparator bdc5 = new BigDecimalComparator(bd); |
| Assert.assertFalse(bdc5.equals(0)); |
| } |
| |
| @Test |
| public void testEqualsValue() { |
| // given |
| BigDecimal bd1 = new BigDecimal(Double.MAX_VALUE); |
| BigDecimal bd2 = new BigDecimal(Double.MIN_VALUE); |
| byte[] value1 = Bytes.toBytes(bd1); |
| byte[] value2 = Bytes.toBytes(bd2); |
| BigDecimalComparator comparator1 = new BigDecimalComparator(bd1); |
| BigDecimalComparator comparator2 = new BigDecimalComparator(bd2); |
| |
| // when |
| int comp1 = comparator1.compareTo(value1); |
| int comp2 = comparator2.compareTo(value2); |
| |
| // then |
| Assert.assertEquals(0, comp1); |
| Assert.assertEquals(0, comp2); |
| } |
| |
| @Test |
| public void testGreaterThanValue() { |
| // given |
| byte[] val1 = Bytes.toBytes(new BigDecimal("1000000000000000000000000000000.9999999999999999")); |
| byte[] val2 = Bytes.toBytes(new BigDecimal(0)); |
| byte[] val3 = Bytes.toBytes(new BigDecimal(Double.MIN_VALUE)); |
| BigDecimal bd = new BigDecimal(Double.MAX_VALUE); |
| BigDecimalComparator comparator = new BigDecimalComparator(bd); |
| |
| // when |
| int comp1 = comparator.compareTo(val1); |
| int comp2 = comparator.compareTo(val2); |
| int comp3 = comparator.compareTo(val3); |
| |
| // then |
| Assert.assertEquals(1, comp1); |
| Assert.assertEquals(1, comp2); |
| Assert.assertEquals(1, comp3); |
| } |
| |
| @Test |
| public void testLessThanValue() { |
| // given |
| byte[] val1 = Bytes.toBytes(new BigDecimal("-1000000000000000000000000000000")); |
| byte[] val2 = Bytes.toBytes(new BigDecimal(0)); |
| byte[] val3 = Bytes.toBytes(new BigDecimal(1)); |
| BigDecimal bd = new BigDecimal("-1000000000000000000000000000000.0000000000000001"); |
| BigDecimalComparator comparator = new BigDecimalComparator(bd); |
| |
| // when |
| int comp1 = comparator.compareTo(val1); |
| int comp2 = comparator.compareTo(val2); |
| int comp3 = comparator.compareTo(val3); |
| |
| // then |
| Assert.assertEquals(-1, comp1); |
| Assert.assertEquals(-1, comp2); |
| Assert.assertEquals(-1, comp3); |
| } |
| |
| } |