| using NUnit.Framework; |
| using System.Collections.Generic; |
| using Assert = Lucene.Net.TestFramework.Assert; |
| using JCG = J2N.Collections.Generic; |
| |
| namespace Lucene.Net.Util |
| { |
| /* |
| * 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. |
| */ |
| |
| [TestFixture] |
| public class TestSentinelIntSet : LuceneTestCase |
| { |
| [Test] |
| public virtual void Test() |
| { |
| SentinelInt32Set set = new SentinelInt32Set(10, -1); |
| Assert.IsFalse(set.Exists(50)); |
| set.Put(50); |
| Assert.IsTrue(set.Exists(50)); |
| Assert.AreEqual(1, set.Count); |
| Assert.AreEqual(-11, set.Find(10)); |
| Assert.AreEqual(1, set.Count); |
| set.Clear(); |
| Assert.AreEqual(0, set.Count); |
| Assert.AreEqual(50, set.Hash(50)); |
| //force a rehash |
| for (int i = 0; i < 20; i++) |
| { |
| set.Put(i); |
| } |
| Assert.AreEqual(20, set.Count); |
| Assert.AreEqual(24, set.RehashCount); |
| } |
| |
| [Test] |
| public virtual void TestRandom() |
| { |
| for (int i = 0; i < 10000; i++) |
| { |
| int initSz = Random.Next(20); |
| int num = Random.Next(30); |
| int maxVal = (Random.NextBoolean() ? Random.Next(50) : Random.Next(int.MaxValue)) + 1; |
| |
| ISet<int> a = new JCG.HashSet<int>(initSz); |
| SentinelInt32Set b = new SentinelInt32Set(initSz, -1); |
| |
| for (int j = 0; j < num; j++) |
| { |
| int val = Random.Next(maxVal); |
| bool exists = !a.Add(val); |
| bool existsB = b.Exists(val); |
| Assert.AreEqual(exists, existsB); |
| int slot = b.Find(val); |
| Assert.AreEqual(exists, slot >= 0); |
| b.Put(val); |
| |
| Assert.AreEqual(a.Count, b.Count); |
| } |
| } |
| } |
| } |
| } |