| /* |
| * 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.cassandra.io.sstable; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.junit.Test; |
| |
| import org.apache.cassandra.Util; |
| import org.apache.cassandra.db.ClusteringComparator; |
| import org.apache.cassandra.db.ClusteringPrefix; |
| import org.apache.cassandra.db.DeletionTime; |
| import org.apache.cassandra.db.marshal.AbstractType; |
| import org.apache.cassandra.db.marshal.LongType; |
| import org.apache.cassandra.utils.FBUtilities; |
| |
| import static org.apache.cassandra.io.sstable.IndexHelper.IndexInfo; |
| import static org.junit.Assert.assertEquals; |
| |
| public class IndexHelperTest |
| { |
| |
| private static ClusteringComparator comp = new ClusteringComparator(Collections.<AbstractType<?>>singletonList(LongType.instance)); |
| private static ClusteringPrefix cn(long l) |
| { |
| return Util.clustering(comp, l); |
| } |
| |
| @Test |
| public void testIndexHelper() |
| { |
| DeletionTime deletionInfo = new DeletionTime(FBUtilities.timestampMicros(), FBUtilities.nowInSeconds()); |
| |
| List<IndexInfo> indexes = new ArrayList<>(); |
| indexes.add(new IndexInfo(cn(0L), cn(5L), 0, 0, deletionInfo)); |
| indexes.add(new IndexInfo(cn(10L), cn(15L), 0, 0, deletionInfo)); |
| indexes.add(new IndexInfo(cn(20L), cn(25L), 0, 0, deletionInfo)); |
| |
| assertEquals(0, IndexHelper.indexFor(cn(-1L), indexes, comp, false, -1)); |
| assertEquals(0, IndexHelper.indexFor(cn(5L), indexes, comp, false, -1)); |
| assertEquals(1, IndexHelper.indexFor(cn(12L), indexes, comp, false, -1)); |
| assertEquals(2, IndexHelper.indexFor(cn(17L), indexes, comp, false, -1)); |
| assertEquals(3, IndexHelper.indexFor(cn(100L), indexes, comp, false, -1)); |
| assertEquals(3, IndexHelper.indexFor(cn(100L), indexes, comp, false, 0)); |
| assertEquals(3, IndexHelper.indexFor(cn(100L), indexes, comp, false, 1)); |
| assertEquals(3, IndexHelper.indexFor(cn(100L), indexes, comp, false, 2)); |
| assertEquals(3, IndexHelper.indexFor(cn(100L), indexes, comp, false, 3)); |
| |
| assertEquals(-1, IndexHelper.indexFor(cn(-1L), indexes, comp, true, -1)); |
| assertEquals(0, IndexHelper.indexFor(cn(5L), indexes, comp, true, 3)); |
| assertEquals(0, IndexHelper.indexFor(cn(5L), indexes, comp, true, 2)); |
| assertEquals(1, IndexHelper.indexFor(cn(17L), indexes, comp, true, 3)); |
| assertEquals(2, IndexHelper.indexFor(cn(100L), indexes, comp, true, 3)); |
| assertEquals(2, IndexHelper.indexFor(cn(100L), indexes, comp, true, 4)); |
| assertEquals(1, IndexHelper.indexFor(cn(12L), indexes, comp, true, 3)); |
| assertEquals(1, IndexHelper.indexFor(cn(12L), indexes, comp, true, 2)); |
| assertEquals(1, IndexHelper.indexFor(cn(100L), indexes, comp, true, 1)); |
| assertEquals(2, IndexHelper.indexFor(cn(100L), indexes, comp, true, 2)); |
| } |
| } |