From 39066900773e7857faf2d02e7ed51b71d219d97d Mon Sep 17 00:00:00 2001
From: godosa <godosa@godosa.eu>
Date: Tue, 6 Oct 2026 23:39:36 +0200
Subject: godosa-engine: initial public history

---
 src/Godosa.Core.Tests/Diagnostics/PerfCsvTests.cs | 38 +++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 src/Godosa.Core.Tests/Diagnostics/PerfCsvTests.cs

(limited to 'src/Godosa.Core.Tests/Diagnostics/PerfCsvTests.cs')

diff --git a/src/Godosa.Core.Tests/Diagnostics/PerfCsvTests.cs b/src/Godosa.Core.Tests/Diagnostics/PerfCsvTests.cs
new file mode 100644
index 0000000..fd64778
--- /dev/null
+++ b/src/Godosa.Core.Tests/Diagnostics/PerfCsvTests.cs
@@ -0,0 +1,38 @@
+using System.Globalization;
+using Godosa.Core.Diagnostics;
+using Xunit;
+
+namespace Godosa.Core.Tests.Diagnostics;
+
+public class PerfCsvTests
+{
+    [Fact]
+    public void Header_AppendsCallerColumnsInOrder()
+    {
+        Assert.Equal("t_s,frame_ms,work_ms,sim_ticks,sim_ms,gpu_ms", PerfCsv.Header());
+        Assert.Equal("t_s,frame_ms,work_ms,sim_ticks,sim_ms,gpu_ms,draw_calls,triangles",
+            PerfCsv.Header("draw_calls", "triangles"));
+    }
+
+    [Fact]
+    public void Row_AppendsCallerValuesInOrder()
+    {
+        Assert.Equal("1.500,16.000,4.000,2,1.000,,12,2.500,",
+            PerfCsv.Row(1.5, 0.016, 0.004, 2, 0.001, null, "12", PerfCsv.Ms(0.0025), PerfCsv.Ms(null)));
+    }
+
+    [Fact]
+    public void Ms_IsInvariant_ThreeDecimals()
+    {
+        var previous = Thread.CurrentThread.CurrentCulture;
+        try
+        {
+            Thread.CurrentThread.CurrentCulture = CultureInfo.GetCultureInfo("de-DE");
+            Assert.Equal("12.500", PerfCsv.Ms(0.0125));
+        }
+        finally
+        {
+            Thread.CurrentThread.CurrentCulture = previous;
+        }
+    }
+}
-- 
cgit