public void HybridFalsePositiveTest() { var addSize = 10000; var testData = DataGenerator.Generate().Take(addSize).ToArray(); var errorRate = 0.001F; var size = testData.Length; var configuration = new HybridDefaultBloomFilterConfiguration(); var bloomFilter = new InvertibleHybridBloomFilter <TestEntity, long, sbyte>(configuration); bloomFilter.Initialize(size, errorRate); foreach (var itm in testData) { bloomFilter.Add(itm); } var notFoundCount = testData.Count(itm => !bloomFilter.Contains(itm)); Assert.IsTrue(notFoundCount == 0, "False negative error rate violated"); notFoundCount = testData.Count(itm => !bloomFilter.ContainsKey(itm.Id)); Assert.IsTrue(notFoundCount == 0, "False negative error rate violated on ContainsKey"); notFoundCount = DataGenerator.Generate().Skip(addSize).Take(addSize).Count(itm => bloomFilter.Contains(itm)); Assert.IsTrue(notFoundCount <= errorRate * addSize, "False positive error rate violated"); notFoundCount = DataGenerator.Generate().Skip(addSize).Take(addSize).Count(itm => bloomFilter.ContainsKey(itm.Id)); Assert.IsTrue(notFoundCount <= errorRate * addSize, "False positive error rate violated on ContainsKey"); }