| using Lucene.Net.Analysis; |
| using Lucene.Net.Documents; |
| using Lucene.Net.Randomized.Generators; |
| using Lucene.Net.Store; |
| using Lucene.Net.Util; |
| using Lucene.Net.Util.Packed; |
| using System.Collections.Generic; |
| |
| #if TESTFRAMEWORK_MSTEST |
| using Test = Microsoft.VisualStudio.TestTools.UnitTesting.TestMethodAttribute; |
| #elif TESTFRAMEWORK_NUNIT |
| using Test = NUnit.Framework.TestAttribute; |
| #elif TESTFRAMEWORK_XUNIT |
| using Test = Lucene.Net.TestFramework.SkippableFactAttribute; |
| #endif |
| |
| using Assert = Lucene.Net.TestFramework.Assert; |
| |
| namespace Lucene.Net.Index |
| { |
| /* |
| * 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. |
| */ |
| |
| /// <summary> |
| /// Extends <see cref="BaseDocValuesFormatTestCase"/> to add compression checks. </summary> |
| public abstract class BaseCompressingDocValuesFormatTestCase : BaseDocValuesFormatTestCase |
| #if TESTFRAMEWORK_XUNIT |
| , Xunit.IClassFixture<BeforeAfterClass> |
| { |
| public BaseCompressingDocValuesFormatTestCase(BeforeAfterClass beforeAfter) |
| : base(beforeAfter) |
| { |
| } |
| #else |
| { |
| #endif |
| internal static long DirSize(Directory d) |
| { |
| long size = 0; |
| foreach (string file in d.ListAll()) |
| { |
| size += d.FileLength(file); |
| } |
| return size; |
| } |
| |
| [Test] |
| public virtual void TestUniqueValuesCompression() |
| { |
| IndexWriterConfig iwc = new IndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random)); |
| using (Directory dir = new RAMDirectory()) |
| using (IndexWriter iwriter = new IndexWriter(dir, iwc)) |
| { |
| |
| int uniqueValueCount = TestUtil.NextInt32(Random, 1, 256); |
| IList<long> values = new List<long>(); |
| |
| Document doc = new Document(); |
| NumericDocValuesField dvf = new NumericDocValuesField("dv", 0); |
| doc.Add(dvf); |
| for (int i = 0; i < 300; ++i) |
| { |
| long value; |
| if (values.Count < uniqueValueCount) |
| { |
| value = Random.NextInt64(); |
| values.Add(value); |
| } |
| else |
| { |
| value = RandomPicks.RandomFrom(Random, values); |
| } |
| dvf.SetInt64Value(value); |
| iwriter.AddDocument(doc); |
| } |
| iwriter.ForceMerge(1); |
| long size1 = DirSize(dir); |
| for (int i = 0; i < 20; ++i) |
| { |
| dvf.SetInt64Value(RandomPicks.RandomFrom(Random, values)); |
| iwriter.AddDocument(doc); |
| } |
| iwriter.ForceMerge(1); |
| long size2 = DirSize(dir); |
| // make sure the new longs did not cost 8 bytes each |
| Assert.IsTrue(size2 < size1 + 8 * 20); |
| } |
| } |
| |
| [Test] |
| public virtual void TestDateCompression() |
| { |
| IndexWriterConfig iwc = new IndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random)); |
| using (Directory dir = new RAMDirectory()) |
| using (IndexWriter iwriter = new IndexWriter(dir, iwc)) |
| { |
| |
| const long @base = 13; // prime |
| long day = 1000L * 60 * 60 * 24; |
| |
| Document doc = new Document(); |
| NumericDocValuesField dvf = new NumericDocValuesField("dv", 0); |
| doc.Add(dvf); |
| for (int i = 0; i < 300; ++i) |
| { |
| dvf.SetInt64Value(@base + Random.Next(1000) * day); |
| iwriter.AddDocument(doc); |
| } |
| iwriter.ForceMerge(1); |
| long size1 = DirSize(dir); |
| for (int i = 0; i < 50; ++i) |
| { |
| dvf.SetInt64Value(@base + Random.Next(1000) * day); |
| iwriter.AddDocument(doc); |
| } |
| iwriter.ForceMerge(1); |
| long size2 = DirSize(dir); |
| // make sure the new longs costed less than if they had only been packed |
| Assert.IsTrue(size2 < size1 + (PackedInt32s.BitsRequired(day) * 50) / 8); |
| } |
| } |
| |
| [Test] |
| public virtual void TestSingleBigValueCompression() |
| { |
| IndexWriterConfig iwc = new IndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random)); |
| using (Directory dir = new RAMDirectory()) |
| using (IndexWriter iwriter = new IndexWriter(dir, iwc)) |
| { |
| |
| Document doc = new Document(); |
| NumericDocValuesField dvf = new NumericDocValuesField("dv", 0); |
| doc.Add(dvf); |
| for (int i = 0; i < 20000; ++i) |
| { |
| dvf.SetInt64Value(i & 1023); |
| iwriter.AddDocument(doc); |
| } |
| iwriter.ForceMerge(1); |
| long size1 = DirSize(dir); |
| dvf.SetInt64Value(long.MaxValue); |
| iwriter.AddDocument(doc); |
| iwriter.ForceMerge(1); |
| long size2 = DirSize(dir); |
| // make sure the new value did not grow the bpv for every other value |
| Assert.IsTrue(size2 < size1 + (20000 * (63 - 10)) / 8); |
| } |
| } |
| } |
| } |