Outgoing Packet Tests (Pass #1) (#129)

Projects/Server.Tests/AssertExtensions.cs

@@ -0,0 +1,24 @@
+using System;
+using System.Text;
+
+namespace Server.Tests
+{
+  public static partial class AssertThat
+  {
+    public static string SpanToString(ReadOnlySpan<byte> bytes)
+    {
+      StringBuilder builder = new StringBuilder();
+      builder.Append("[");
+      builder.AppendJoin(", ", bytes.ToArray());
+      builder.Append("]");
+
+      return builder.ToString();
+    }
+
+    public static void Equal(ReadOnlySpan<byte> expected, ReadOnlySpan<byte> actual) =>
+      Xunit.Assert.True(
+        MemoryExtensions.SequenceEqual(expected, actual),
+        $"Expected does not match actual.\nExpected:\t{SpanToString(expected)}\nActual:\t\t{SpanToString(actual)}"
+      );
+  }
+}