stabilizaiton work - projects rework for maintenanceability and ui livening

src/__Libraries/StellaOps.HybridLogicalClock.Tests/HybridLogicalClockTests.ReceiveSkew.cs

@@ -0,0 +1,27 @@
+// <copyright file="HybridLogicalClockTests.ReceiveSkew.cs" company="StellaOps">
+// Copyright (c) StellaOps. Licensed under BUSL-1.1.
+// </copyright>
+using FluentAssertions;
+using System;
+using Xunit;
+
+namespace StellaOps.HybridLogicalClock.Tests;
+
+public sealed partial class HybridLogicalClockTests
+{
+    [Fact]
+    public void Receive_ClockSkewExceeded_ThrowsException()
+    {
+        var timeProvider = CreateTimeProvider(FixedTime);
+        var maxSkew = TimeSpan.FromMinutes(1);
+        var clock = CreateClock(timeProvider, maxSkew: maxSkew);
+
+        var remote = CreateRemoteTimestamp(FixedTime.AddMinutes(2), 0);
+
+        var act = () => clock.Receive(remote);
+
+        act.Should().Throw<HlcClockSkewException>()
+            .Where(e => e.MaxAllowedSkew == maxSkew)
+            .Where(e => e.ActualSkew > maxSkew);
+    }
+}