| /** |
| * 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 org.apache.hadoop.hbase.HBaseClassTestRule; |
| import org.apache.hadoop.hbase.testclassification.FilterTests; |
| import org.apache.hadoop.hbase.testclassification.SmallTests; |
| 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 TestNullComparator { |
| |
| @ClassRule |
| public static final HBaseClassTestRule CLASS_RULE = |
| HBaseClassTestRule.forClass(TestNullComparator.class); |
| |
| @Test |
| public void testNullValue() |
| { |
| // given |
| byte[] value = null; |
| NullComparator comparator = new NullComparator(); |
| |
| // when |
| int comp1 = comparator.compareTo(value); |
| int comp2 = comparator.compareTo(value, 5, 15); |
| |
| // then |
| Assert.assertEquals(0, comp1); |
| Assert.assertEquals(0, comp2); |
| } |
| |
| @Test |
| public void testNonNullValue() { |
| // given |
| byte[] value = new byte[] { 0, 1, 2, 3, 4, 5 }; |
| NullComparator comparator = new NullComparator(); |
| |
| // when |
| int comp1 = comparator.compareTo(value); |
| int comp2 = comparator.compareTo(value, 1, 3); |
| |
| // then |
| Assert.assertEquals(1, comp1); |
| Assert.assertEquals(1, comp2); |
| } |
| |
| @Test |
| public void testEmptyValue() { |
| // given |
| byte[] value = new byte[] { 0 }; |
| NullComparator comparator = new NullComparator(); |
| |
| // when |
| int comp1 = comparator.compareTo(value); |
| int comp2 = comparator.compareTo(value, 1, 3); |
| |
| // then |
| Assert.assertEquals(1, comp1); |
| Assert.assertEquals(1, comp2); |
| } |
| |
| } |