diff options
author | 2015-11-20 12:25:54 -0800 | |
---|---|---|
committer | 2015-11-20 12:25:54 -0800 | |
commit | 0927c70180b3877bae03b3edb849c960f8a4b8a7 (patch) | |
tree | 4f3f2802777c22ab2439d218759aca3bda938410 /src/csharp/Grpc.IntegrationTesting/HistogramTest.cs | |
parent | b2b4261631fcd6e43344feb7dec45eff5ddbc8a8 (diff) | |
parent | 201d6e13045d96a451ab8cd69395ef1c1ed8adcc (diff) |
Merge github.com:grpc/grpc into no-transport-metadata
Diffstat (limited to 'src/csharp/Grpc.IntegrationTesting/HistogramTest.cs')
-rw-r--r-- | src/csharp/Grpc.IntegrationTesting/HistogramTest.cs | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/src/csharp/Grpc.IntegrationTesting/HistogramTest.cs b/src/csharp/Grpc.IntegrationTesting/HistogramTest.cs new file mode 100644 index 0000000000..fa160cbd15 --- /dev/null +++ b/src/csharp/Grpc.IntegrationTesting/HistogramTest.cs @@ -0,0 +1,104 @@ +#region Copyright notice and license + +// Copyright 2015, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#endregion + +using System; +using System.Collections.Generic; +using System.IO; +using System.Linq; +using System.Threading; +using System.Threading.Tasks; +using Grpc.Core; +using Grpc.Core.Utils; +using Grpc.Testing; +using NUnit.Framework; + +namespace Grpc.IntegrationTesting +{ + public class HistogramTest + { + [Test] + public void Simple() + { + var hist = new Histogram(0.01, 60e9); + hist.AddObservation(10000); + hist.AddObservation(10000); + hist.AddObservation(11000); + hist.AddObservation(11000); + + var data = hist.GetSnapshot(); + + Assert.AreEqual(4, data.Count); + Assert.AreEqual(42000.0, data.Sum, 1e-6); + Assert.AreEqual(10000, data.MinSeen); + Assert.AreEqual(11000, data.MaxSeen); + Assert.AreEqual(2.0*10000*10000 + 2.0*11000*11000, data.SumOfSquares, 1e-6); + + // 1.01^925 < 10000 < 1.01^926 + Assert.AreEqual(2, data.Bucket[925]); + Assert.AreEqual(2, data.Bucket[935]); + } + + [Test] + public void ExtremeObservations() + { + var hist = new Histogram(0.01, 60e9); + hist.AddObservation(-0.5); // should be in the first bucket + hist.AddObservation(1e12); // should be in the last bucket + + var data = hist.GetSnapshot(); + Assert.AreEqual(1, data.Bucket[0]); + Assert.AreEqual(1, data.Bucket[data.Bucket.Count - 1]); + } + + [Test] + public void Reset() + { + var hist = new Histogram(0.01, 60e9); + hist.AddObservation(10000); + hist.AddObservation(11000); + + var data = hist.GetSnapshot(true); // snapshot contains data before reset + Assert.AreEqual(2, data.Count); + Assert.AreEqual(10000, data.MinSeen); + Assert.AreEqual(11000, data.MaxSeen); + + data = hist.GetSnapshot(); // snapshot contains state after reset + Assert.AreEqual(0, data.Count); + Assert.AreEqual(double.PositiveInfinity, data.MinSeen); + Assert.AreEqual(double.NegativeInfinity, data.MaxSeen); + Assert.AreEqual(0, data.Sum); + Assert.AreEqual(0, data.SumOfSquares); + CollectionAssert.AreEqual(new uint[data.Bucket.Count], data.Bucket); + } + } +} |