public void TestSerialization() { Random r = new Random(); TDigest digestA = new TDigest(); for (int i = 0; i < 10000; i++) { var n = (r.Next() % 50) + (r.Next() % 50); digestA.Add(n); } byte[] s = digestA.Serialize(); TDigest digestB = new TDigest(s); var a = digestA.GetDistribution(); var b = digestB.GetDistribution(); for (int i = 0; i < a.Length; i++) { var ce = a[i].Count == b[i].Count; var me = a[i].Value == b[i].Value; Assert.IsTrue(ce && me, "Centroid means or counts are not equal after serialization"); } Assert.AreEqual(digestA.Average, digestB.Average, "Averages are not equal after serialization"); Assert.AreEqual(digestA.Count, digestB.Count, "Counts are not equal after serialization"); Assert.AreEqual(digestA.CentroidCount, digestB.CentroidCount, "Centroid Counts are not equal after serialization"); Assert.AreEqual(digestA.CompressionConstant, digestB.CompressionConstant, "Compression Constants are not equal after serialization"); Assert.AreEqual(digestA.Accuracy, digestB.Accuracy, "Accuracies are not equal after serialization"); var differences = Enumerable.Range(1, 999) .Select(n => n / 1000.0) .Where(q => digestA.Quantile(q) != digestB.Quantile(q)) .Select(q => new { q, A = digestA.Quantile(q), B = digestB.Quantile(q) }) .ToList(); var areEqual = !differences.Any(); Assert.IsTrue(areEqual, "Serialized TDigest is not the same as original"); }