floating benchmark

AnthonyLloyd · Nov 26, 2023 · 8c327bd · 8c327bd
1 parent ce7a471
commit 8c327bd
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diff --git a/Tests/BenchmarkTests.cs b/Tests/BenchmarkTests.cs
@@ -0,0 +1,41 @@
+namespace Tests;
+
+using BenchmarkDotNet.Attributes;
+using BenchmarkDotNet.Configs;
+using BenchmarkDotNet.Loggers;
+using BenchmarkDotNet.Running;
+using Xunit;
+
+public class BenchmarkTests(Xunit.Abstractions.ITestOutputHelper output)
+{
+    [Fact]
+    public void BenchmarkDotNet_Perf()
+    {
+        var logger = new AccumulationLogger();
+        BenchmarkRunner.Run<FloatingBenchmarks>(DefaultConfig.Instance.AddLogger(logger));
+        output.WriteLine(logger.GetLog());
+    }
+}
+
+public class FloatingBenchmarks
+{
+    decimal m1;
+    double d1;
+    decimal m2;
+    double d2;
+
+    [GlobalSetup]
+    public void Setup()
+    {
+        d1 = 12345.6789;
+        d2 = 1234.56778;
+        m1 = 12345.6789M;
+        m2 = 1234.56778M;
+    }
+
+    [Benchmark(Baseline = true)]
+    public double DoubleAdd() => d1 + d2;
+
+    [Benchmark]
+    public decimal DecimalAdd() => m1 + m2;
+}
diff --git a/Tests/Tests.csproj b/Tests/Tests.csproj
@@ -16,6 +16,7 @@
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
         <PackageReference Include="xunit" Version="2.6.1" />
         <PackageReference Include="xunit.runner.visualstudio" Version="2.5.3" PrivateAssets="All" />
+        <PackageReference Include="BenchmarkDotNet" Version="0.13.10" />
         <PackageReference Include="Meziantou.Xunit.ParallelTestFramework" Version="2.1.0" />
         <PackageReference Include="Rationals" Version="2.3.0" />
         <ProjectReference Include="..\CsCheck\CsCheck.csproj" />