public void HybridCompressTest()
{
var addSize = 10000;
var errorRate = 0.001F;
var data = DataGenerator.Generate().Take(addSize).ToArray();
var hybridFilter = new InvertibleHybridBloomFilter <TestEntity, long, sbyte>(new HybridDefaultBloomFilterConfiguration());
hybridFilter.Initialize(50 * data.Length, errorRate);
Assert.AreEqual(hybridFilter.Capacity, 500000, "Unexpected size of hybrid Bloom filter.");
foreach (var item in data)
{
hybridFilter.Add(item);
}
//check error rate.
var notFoundCount = DataGenerator.Generate().Skip(addSize).Take(10000).Count(itm => hybridFilter.Contains(itm));
Assert.IsTrue(notFoundCount <= errorRate * addSize, "Uncompressed hybrid Bloom filter exceeded error rate.");
hybridFilter.Compress(true);
Assert.AreEqual(hybridFilter.Capacity, 12820, "Unexpected size of compressed hybrid Bloom filter.");
var compressNotFoundCount = DataGenerator.Generate().Skip(addSize).Take(10000).Count(itm => hybridFilter.Contains(itm));
Assert.IsTrue(compressNotFoundCount <= errorRate * addSize, "Compressed hybrid Bloom filter exceeded error rate.");
}