refactor: define test fixtures as internal

X10D.Tests/X10D.Tests.csproj

@@ -6,7 +6,6 @@
         <CoverletOutputFormat>json,cobertura</CoverletOutputFormat>
         <CollectCoverage>true</CollectCoverage>
         <CodeAnalysisTreatWarningsAsErrors>false</CodeAnalysisTreatWarningsAsErrors>
-        <NoWarn>$(NoWarn);1591</NoWarn>
     </PropertyGroup>
 
     <PropertyGroup Condition="'$(TargetFramework)' == 'netcoreapp3.1'">

X10D.Tests/src/Assembly.cs

@@ -1 +1 @@
-[assembly: CLSCompliant(true)]
+[assembly: CLSCompliant(false)]

X10D.Tests/src/Collections/ArrayTests.AsReadOnly.cs

@@ -3,10 +3,10 @@ using X10D.Collections;
 
 namespace X10D.Tests.Collections;
 
-public partial class ArrayTests
+internal static partial class ArrayTests
 {
     [TestFixture]
-    public class AsReadOnlyTests
+    internal class AsReadOnlyTests
     {
         [Test]
         public void AsReadOnly_ShouldReturnReadOnlyCollection_WhenArrayIsNotNull()

X10D.Tests/src/Collections/ArrayTests.Clear.cs

@@ -3,7 +3,7 @@ using X10D.Collections;
 
 namespace X10D.Tests.Collections;
 
-public partial class ArrayTests
+internal static partial class ArrayTests
 {
     [TestFixture]
     public class ClearTests

X10D.Tests/src/Collections/ArrayTests.cs

@@ -3,6 +3,6 @@
 namespace X10D.Tests.Collections;
 
 [TestFixture]
-public partial class ArrayTests
+internal static partial class ArrayTests
 {
 }

X10D.Tests/src/Collections/BoolListTests.cs

@@ -4,7 +4,7 @@ using X10D.Collections;
 namespace X10D.Tests.Collections;
 
 [TestFixture]
-public class BoolListTests
+internal class BoolListTests
 {
     [Test]
     public void PackByte_Should_Pack_Correctly()

X10D.Tests/src/Collections/ByteTests.cs

@@ -5,7 +5,7 @@ using X10D.Collections;
 namespace X10D.Tests.Collections;
 
 [TestFixture]
-public class ByteTests
+internal class ByteTests
 {
     [Test]
     public void Unpack_ShouldUnpackToArrayCorrectly()

X10D.Tests/src/Collections/CollectionTests.ClearAndDisposeAll.cs

@@ -5,7 +5,7 @@ using X10D.Collections;
 
 namespace X10D.Tests.Collections;
 
-public partial class CollectionTests
+internal partial class CollectionTests
 {
     [TestFixture]
     public class ClearAndDisposeAllTests

X10D.Tests/src/Collections/CollectionTests.ClearAndDisposeAllAsync.cs

@@ -5,7 +5,7 @@ using X10D.Collections;
 
 namespace X10D.Tests.Collections;
 
-public partial class CollectionTests
+internal partial class CollectionTests
 {
     [TestFixture]
     public class ClearAndDisposeAllAsyncTests

X10D.Tests/src/Collections/CollectionTests.cs

@@ -3,6 +3,6 @@
 namespace X10D.Tests.Collections;
 
 [TestFixture]
-public partial class CollectionTests
+internal partial class CollectionTests
 {
 }

X10D.Tests/src/Collections/DictionaryTests.cs

@@ -4,7 +4,7 @@ using X10D.Collections;
 namespace X10D.Tests.Collections;
 
 [TestFixture]
-public class DictionaryTests
+internal class DictionaryTests
 {
     [Test]
     public void AddOrUpdate_ShouldAddNewKey_IfNotExists_GivenConcreteDictionary()

X10D.Tests/src/Collections/EnumerableTests.DisposeAll.cs

@@ -4,7 +4,7 @@ using X10D.Collections;
 
 namespace X10D.Tests.Collections;
 
-public partial class EnumerableTests
+internal partial class EnumerableTests
 {
     [TestFixture]
     public class DisposeAllTests

X10D.Tests/src/Collections/EnumerableTests.DisposeAllAsync.cs

@@ -4,7 +4,7 @@ using X10D.Collections;
 
 namespace X10D.Tests.Collections;
 
-public partial class EnumerableTests
+internal partial class EnumerableTests
 {
     [TestFixture]
     public class DisposeAllAsyncTests

X10D.Tests/src/Collections/EnumerableTests.cs

@@ -5,7 +5,7 @@ using X10D.Core;
 namespace X10D.Tests.Collections;
 
 [TestFixture]
-public partial class EnumerableTests
+internal partial class EnumerableTests
 {
     [Test]
     public void CountWhereNot_ShouldReturnCorrectCount_GivenSequence()

X10D.Tests/src/Collections/Int16Tests.cs

@@ -5,7 +5,7 @@ using X10D.Collections;
 namespace X10D.Tests.Collections;
 
 [TestFixture]
-public class Int16Tests
+internal class Int16Tests
 {
     [Test]
     public void Unpack_ShouldUnpackToArrayCorrectly()

X10D.Tests/src/Collections/Int32Tests.cs

@@ -5,7 +5,7 @@ using X10D.Collections;
 namespace X10D.Tests.Collections;
 
 [TestFixture]
-public class Int32Tests
+internal class Int32Tests
 {
     [Test]
     public void Unpack_ShouldUnpackToArrayCorrectly()

X10D.Tests/src/Collections/Int64Tests.cs

@@ -1,11 +1,12 @@
 using System.Diagnostics;
+using System.Globalization;
 using NUnit.Framework;
 using X10D.Collections;
 
 namespace X10D.Tests.Collections;
 
 [TestFixture]
-public class Int64Tests
+internal class Int64Tests
 {
     [Test]
     public void UnpackBits_ShouldUnpackToArrayCorrectly()
@@ -29,7 +30,7 @@ public class Int64Tests
 
             for (var index = 8; index < 64; index++)
             {
-                Assert.That(bits[index], Is.False, index.ToString());
+                Assert.That(bits[index], Is.False, index.ToString(CultureInfo.InvariantCulture));
             }
         });
     }
@@ -53,7 +54,7 @@ public class Int64Tests
 
             for (var index = 8; index < 64; index++)
             {
-                Assert.That(bits[index], Is.False, index.ToString());
+                Assert.That(bits[index], Is.False, index.ToString(CultureInfo.InvariantCulture));
             }
         });
     }

X10D.Tests/src/Collections/ListTests.cs

@@ -4,9 +4,8 @@ using X10D.Collections;
 namespace X10D.Tests.Collections;
 
 [TestFixture]
-public class ListTests
+internal class ListTests
 {
-    [CLSCompliant(false)]
         [Test]
     [TestCase(1)]
     [TestCase(1, 2, 3)]
@@ -26,7 +25,6 @@ public class ListTests
         CollectionAssert.AreEqual(all42, list);
     }
 
-    [CLSCompliant(false)]
         [Test]
     [TestCase(1)]
     [TestCase(1, 2, 3)]

X10D.Tests/src/Collections/SpanTest.cs

@@ -4,7 +4,7 @@ using X10D.Collections;
 namespace X10D.Tests.Collections;
 
 [TestFixture]
-public class SpanTest
+internal class SpanTest
 {
     [Test]
     public void Count_ShouldReturn0_GivenEmptySpan()

X10D.Tests/src/Core/CoreTests.cs

@@ -4,7 +4,7 @@ using X10D.Core;
 namespace X10D.Tests.Core;
 
 [TestFixture]
-public class CoreTests
+internal class CoreTests
 {
     [Test]
     [TestCase(1)]

X10D.Tests/src/Core/EnumTests.cs

@@ -4,7 +4,7 @@ using X10D.Core;
 namespace X10D.Tests.Core;
 
 [TestFixture]
-public class EnumTests
+internal class EnumTests
 {
     // Microsoft wrongfully decided to have Sunday be 0, Monday be 1, etc.
     // I personally hate this, Sunday is not the first day of the week.

X10D.Tests/src/Core/IntrinsicTests.cs

@@ -7,7 +7,7 @@ using X10D.Core;
 namespace X10D.Tests.Core;
 
 [TestFixture]
-public class IntrinsicTests
+internal class IntrinsicTests
 {
     [Test]
     public void CorrectBoolean_ShouldReturnExpectedVector64Result_GivenInputVector()

X10D.Tests/src/Core/NullableTests.cs

@@ -4,7 +4,7 @@ using X10D.Core;
 namespace X10D.Tests.Core;
 
 [TestFixture]
-public class NullableTests
+internal class NullableTests
 {
     [Test]
     public void TryGetValue_ShouldBeTrue_GivenValue()

X10D.Tests/src/Core/RandomTests.cs

@@ -5,7 +5,7 @@ using X10D.Core;
 namespace X10D.Tests.Core;
 
 [TestFixture]
-public class RandomTests
+internal class RandomTests
 {
     [Test]
     public void NextBoolean_ShouldBeFalse_GivenSeed1234()

X10D.Tests/src/Core/SpanTest.cs

@@ -8,7 +8,7 @@ using X10D.Core;
 namespace X10D.Tests.Core;
 
 [TestFixture]
-public class SpanTest
+internal class SpanTest
 {
     [Test]
     public void Contains_ShouldReturnFalse_GivenReadOnlySpanWithNoMatchingElements_UsingByteEnum()

X10D.Tests/src/Drawing/CircleFTests.cs

@@ -5,7 +5,7 @@ using X10D.Drawing;
 namespace X10D.Tests.Drawing;
 
 [TestFixture]
-public class CircleFTests
+internal class CircleFTests
 {
     [Test]
     public void Area_ShouldBePiRadiusRadius_GivenUnitCircle()

X10D.Tests/src/Drawing/CircleTests.cs

@@ -4,7 +4,7 @@ using X10D.Drawing;
 namespace X10D.Tests.Drawing;
 
 [TestFixture]
-public class CircleTests
+internal class CircleTests
 {
     [Test]
     public void Area_ShouldBePiRadiusRadius_GivenUnitCircle()

X10D.Tests/src/Drawing/ColorTests.cs

@@ -5,7 +5,7 @@ using X10D.Drawing;
 namespace X10D.Tests.Drawing;
 
 [TestFixture]
-public class ColorTests
+internal class ColorTests
 {
     private static readonly Color Black = Color.FromArgb(0, 0, 0);
     private static readonly Color White = Color.FromArgb(255, 255, 255);

X10D.Tests/src/Drawing/CuboidTests.cs

@@ -5,7 +5,7 @@ using X10D.Drawing;
 namespace X10D.Tests.Drawing;
 
 [TestFixture]
-public class CuboidTests
+internal class CuboidTests
 {
     [Test]
     public void Corners_ShouldBeCorrect_GivenCubeOfSize1()

X10D.Tests/src/Drawing/EllipseFTests.cs

@@ -6,7 +6,7 @@ using X10D.Drawing;
 namespace X10D.Tests.Drawing;
 
 [TestFixture]
-public class EllipseFTests
+internal class EllipseFTests
 {
     [Test]
     public void Area_ShouldBePiRadiusRadius_GivenUnitEllipse()

X10D.Tests/src/Drawing/EllipseTests.cs

@@ -5,7 +5,7 @@ using X10D.Drawing;
 namespace X10D.Tests.Drawing;
 
 [TestFixture]
-public class EllipseTests
+internal class EllipseTests
 {
     [Test]
     public void Area_ShouldBePiRadiusRadius_GivenUnitEllipse()

X10D.Tests/src/Drawing/Line3DTests.cs

@@ -6,7 +6,7 @@ using X10D.Drawing;
 namespace X10D.Tests.Drawing;
 
 [TestFixture]
-public class Line3DTests
+internal class Line3DTests
 {
     [Test]
     public void CompareTo_ShouldBeNegativeOne_GivenEmptyAndOne()

X10D.Tests/src/Drawing/LineFTests.cs

@@ -5,7 +5,7 @@ using X10D.Drawing;
 namespace X10D.Tests.Drawing;
 
 [TestFixture]
-public class LineFTests
+internal class LineFTests
 {
     [Test]
     public void CompareTo_ShouldBeNegativeOne_GivenEmptyAndOne()

X10D.Tests/src/Drawing/LineTests.cs

@@ -4,7 +4,7 @@ using X10D.Drawing;
 namespace X10D.Tests.Drawing;
 
 [TestFixture]
-public class LineTests
+internal class LineTests
 {
     [Test]
     public void CompareTo_ShouldBeNegativeOne_GivenEmptyAndOne()

X10D.Tests/src/Drawing/PointFTests.cs

@@ -8,7 +8,7 @@ using X10D.Drawing;
 namespace X10D.Tests.Drawing;
 
 [TestFixture]
-public class PointFTests
+internal class PointFTests
 {
     [Test]
     public void IsOnLine_ShouldReturnTrue_GivenPointOnLine()

X10D.Tests/src/Drawing/PointTests.cs

@@ -5,7 +5,7 @@ using X10D.Drawing;
 namespace X10D.Tests.Drawing;
 
 [TestFixture]
-public class PointTests
+internal class PointTests
 {
     [Test]
     public void IsOnLine_ShouldReturnTrue_GivenPointOnLine()

X10D.Tests/src/Drawing/PolygonFTests.cs

@@ -6,7 +6,7 @@ using X10D.Drawing;
 namespace X10D.Tests.Drawing;
 
 [TestFixture]
-public class PolygonFTests
+internal class PolygonFTests
 {
     [Test]
     public void AddVertices_ShouldAddVertices()

X10D.Tests/src/Drawing/PolygonTests.cs

@@ -5,7 +5,7 @@ using X10D.Drawing;
 namespace X10D.Tests.Drawing;
 
 [TestFixture]
-public class PolygonTests
+internal class PolygonTests
 {
     [Test]
     public void AddVertices_ShouldAddVertices()

X10D.Tests/src/Drawing/PolyhedronTests.cs

@@ -5,7 +5,7 @@ using X10D.Drawing;
 namespace X10D.Tests.Drawing;
 
 [TestFixture]
-public class PolyhedronTests
+internal class PolyhedronTests
 {
     [Test]
     public void AddVertices_ShouldAddVertices()

X10D.Tests/src/Drawing/RandomTests.cs

@@ -5,7 +5,7 @@ using X10D.Drawing;
 namespace X10D.Tests.Drawing;
 
 [TestFixture]
-public class RandomTests
+internal class RandomTests
 {
     [Test]
     public void NextColorArgb_ShouldReturn331515e5_GivenSeed1234()

X10D.Tests/src/Drawing/SizeTests.cs

@@ -5,7 +5,7 @@ using X10D.Drawing;
 namespace X10D.Tests.Drawing;
 
 [TestFixture]
-public class SizeTests
+internal class SizeTests
 {
     [Test]
     public void ToPoint_ShouldReturnPoint_WithEquivalentMembers()

X10D.Tests/src/Drawing/SphereTests.cs

@@ -4,7 +4,7 @@ using X10D.Drawing;
 namespace X10D.Tests.Drawing;
 
 [TestFixture]
-public class SphereTests
+internal class SphereTests
 {
     [Test]
     public void Circumference_ShouldBe2PiRadius_GivenUnitCircle()

X10D.Tests/src/Hosting/ServiceCollectionTests.cs

@@ -6,7 +6,7 @@ using X10D.Hosting.DependencyInjection;
 namespace X10D.Tests.Hosting;
 
 [TestFixture]
-public class ServiceCollectionTests
+internal class ServiceCollectionTests
 {
     [Test]
     public void AddHostedSingleton_ShouldRegisterServiceAsSingletonAndAsHostedService()

X10D.Tests/src/IO/BooleanTests.cs

@@ -4,7 +4,7 @@ using X10D.IO;
 namespace X10D.Tests.IO;
 
 [TestFixture]
-public class BooleanTests
+internal class BooleanTests
 {
     [Test]
     public void GetBytes_ReturnsArrayContaining1()

X10D.Tests/src/IO/ByteTests.cs

@@ -4,7 +4,7 @@ using X10D.IO;
 namespace X10D.Tests.IO;
 
 [TestFixture]
-public class ByteTests
+internal class ByteTests
 {
     [Test]
     public void GetBytes_ReturnsArrayContainingItself()

X10D.Tests/src/IO/DirectoryInfoTests.cs

@@ -4,7 +4,7 @@ using X10D.IO;
 namespace X10D.Tests.IO;
 
 [TestFixture]
-public class DirectoryInfoTests
+internal class DirectoryInfoTests
 {
     [Test]
     public void Clear_ShouldClear_GivenValidDirectory()

X10D.Tests/src/IO/DoubleTests.cs

@@ -4,7 +4,7 @@ using X10D.IO;
 namespace X10D.Tests.IO;
 
 [TestFixture]
-public class DoubleTests
+internal class DoubleTests
 {
     [Test]
     public void GetBytes_ReturnsCorrectValue()

X10D.Tests/src/IO/FileInfoTests.cs

@@ -5,7 +5,7 @@ using X10D.IO;
 namespace X10D.Tests.IO;
 
 [TestFixture]
-public class FileInfoTests
+internal class FileInfoTests
 {
     [Test]
     public void GetHashSha1ShouldBeCorrect()

X10D.Tests/src/IO/Int16Tests.cs

@@ -4,7 +4,7 @@ using X10D.IO;
 namespace X10D.Tests.IO;
 
 [TestFixture]
-public class Int16Tests
+internal class Int16Tests
 {
     [Test]
     public void GetBytes_ReturnsCorrectValue()

X10D.Tests/src/IO/Int32Tests.cs

@@ -4,7 +4,7 @@ using X10D.IO;
 namespace X10D.Tests.IO;
 
 [TestFixture]
-public class Int32Tests
+internal class Int32Tests
 {
     [Test]
     public void GetBytes_ReturnsCorrectValue()

X10D.Tests/src/IO/Int64Tests.cs

@@ -4,7 +4,7 @@ using X10D.IO;
 namespace X10D.Tests.IO;
 
 [TestFixture]
-public class Int64Tests
+internal class Int64Tests
 {
     [Test]
     public void GetBytes_ReturnsCorrectValue()

X10D.Tests/src/IO/ListOfByteTests.cs

@@ -5,7 +5,7 @@ using X10D.IO;
 namespace X10D.Tests.IO;
 
 [TestFixture]
-public class ListOfByteTests
+internal class ListOfByteTests
 {
     [Test]
     public void AsString_ShouldReturnBytes_GivenBytes()

X10D.Tests/src/IO/SByteTests.cs

@@ -4,8 +4,7 @@ using X10D.IO;
 namespace X10D.Tests.IO;
 
 [TestFixture]
-[CLSCompliant(false)]
+internal class SByteTests
-public class SByteTests
 {
     [Test]
     public void GetBytes_ReturnsArrayContainingItself()

X10D.Tests/src/IO/SingleTests.cs

@@ -4,7 +4,7 @@ using X10D.IO;
 namespace X10D.Tests.IO;
 
 [TestFixture]
-public class SingleTests
+internal class SingleTests
 {
     [Test]
     public void GetBytes_ReturnsCorrectValue()

X10D.Tests/src/IO/StreamTests.ReadDecimal.cs

@@ -3,7 +3,7 @@ using X10D.IO;
 
 namespace X10D.Tests.IO;
 
-public partial class StreamTests
+internal partial class StreamTests
 {
     [Test]
     public void ReadDecimal_ShouldThrowArgumentException_GivenNonReadableStream()

X10D.Tests/src/IO/StreamTests.ReadDouble.cs

@@ -3,7 +3,7 @@ using X10D.IO;
 
 namespace X10D.Tests.IO;
 
-public partial class StreamTests
+internal partial class StreamTests
 {
     [Test]
     public void ReadDouble_ShouldThrowArgumentException_GivenNonReadableStream()

X10D.Tests/src/IO/StreamTests.ReadInt16.cs

@@ -3,7 +3,7 @@ using X10D.IO;
 
 namespace X10D.Tests.IO;
 
-public partial class StreamTests
+internal partial class StreamTests
 {
     [Test]
     public void ReadInt16_ShouldThrowArgumentException_GivenNonReadableStream()

X10D.Tests/src/IO/StreamTests.ReadInt32.cs

@@ -3,7 +3,7 @@ using X10D.IO;
 
 namespace X10D.Tests.IO;
 
-public partial class StreamTests
+internal partial class StreamTests
 {
     [Test]
     public void ReadInt32_ShouldThrowArgumentException_GivenNonReadableStream()

X10D.Tests/src/IO/StreamTests.ReadInt64.cs

@@ -3,7 +3,7 @@ using X10D.IO;
 
 namespace X10D.Tests.IO;
 
-public partial class StreamTests
+internal partial class StreamTests
 {
     [Test]
     public void ReadInt64_ShouldThrowArgumentException_GivenNonReadableStream()

X10D.Tests/src/IO/StreamTests.ReadSingle.cs

@@ -3,7 +3,7 @@ using X10D.IO;
 
 namespace X10D.Tests.IO;
 
-public partial class StreamTests
+internal partial class StreamTests
 {
     [Test]
     public void ReadSingle_ShouldThrowArgumentException_GivenNonReadableStream()

X10D.Tests/src/IO/StreamTests.ReadUInt16.cs

@@ -3,10 +3,9 @@ using X10D.IO;
 
 namespace X10D.Tests.IO;
 
-public partial class StreamTests
+internal partial class StreamTests
 {
     [Test]
-    [CLSCompliant(false)]
         public void ReadUInt16_ShouldThrowArgumentException_GivenNonReadableStream()
     {
         Stream stream = new DummyStream();
@@ -16,7 +15,6 @@ public partial class StreamTests
     }
 
     [Test]
-    [CLSCompliant(false)]
         public void ReadUInt16_ShouldThrowArgumentNullException_GivenNullStream()
     {
         Stream stream = null!;
@@ -26,7 +24,6 @@ public partial class StreamTests
     }
 
     [Test]
-    [CLSCompliant(false)]
         public void ReadUInt16_ShouldThrowArgumentOutOfRangeException_GivenInvalidEndiannessValue()
     {
         // we don't need to enclose this stream in a using declaration, since disposing a
@@ -39,7 +36,6 @@ public partial class StreamTests
     }
 
     [Test]
-    [CLSCompliant(false)]
         public void ReadUInt16_ShouldReadBigEndian_GivenBigEndian()
     {
         using var stream = new MemoryStream();
@@ -55,7 +51,6 @@ public partial class StreamTests
     }
 
     [Test]
-    [CLSCompliant(false)]
         public void ReadUInt16_ShouldReadLittleEndian_GivenLittleEndian()
     {
         using var stream = new MemoryStream();

X10D.Tests/src/IO/StreamTests.ReadUInt32.cs

@@ -3,10 +3,9 @@ using X10D.IO;
 
 namespace X10D.Tests.IO;
 
-public partial class StreamTests
+internal partial class StreamTests
 {
     [Test]
-    [CLSCompliant(false)]
         public void ReadUInt32_ShouldThrowArgumentException_GivenNonReadableStream()
     {
         Stream stream = new DummyStream();
@@ -16,7 +15,6 @@ public partial class StreamTests
     }
 
     [Test]
-    [CLSCompliant(false)]
         public void ReadUInt32_ShouldThrowArgumentNullException_GivenNullStream()
     {
         Stream stream = null!;
@@ -26,7 +24,6 @@ public partial class StreamTests
     }
 
     [Test]
-    [CLSCompliant(false)]
         public void ReadUInt32_ShouldThrowArgumentOutOfRangeException_GivenInvalidEndiannessValue()
     {
         // we don't need to enclose this stream in a using declaration, since disposing a
@@ -39,7 +36,6 @@ public partial class StreamTests
     }
 
     [Test]
-    [CLSCompliant(false)]
         public void ReadUInt32_ShouldReadBigEndian_GivenBigEndian()
     {
         using var stream = new MemoryStream();
@@ -55,7 +51,6 @@ public partial class StreamTests
     }
 
     [Test]
-    [CLSCompliant(false)]
         public void ReadUInt32_ShouldReadLittleEndian_GivenLittleEndian()
     {
         using var stream = new MemoryStream();

X10D.Tests/src/IO/StreamTests.ReadUInt64.cs

@@ -3,10 +3,9 @@ using X10D.IO;
 
 namespace X10D.Tests.IO;
 
-public partial class StreamTests
+internal partial class StreamTests
 {
     [Test]
-    [CLSCompliant(false)]
         public void ReadUInt64_ShouldThrowArgumentException_GivenNonReadableStream()
     {
         Stream stream = new DummyStream();
@@ -16,7 +15,6 @@ public partial class StreamTests
     }
 
     [Test]
-    [CLSCompliant(false)]
         public void ReadUInt64_ShouldThrowArgumentNullException_GivenNullStream()
     {
         Stream stream = null!;
@@ -26,7 +24,6 @@ public partial class StreamTests
     }
 
     [Test]
-    [CLSCompliant(false)]
         public void ReadUInt64_ShouldThrowArgumentOutOfRangeException_GivenInvalidEndiannessValue()
     {
         // we don't need to enclose this stream in a using declaration, since disposing a
@@ -39,7 +36,6 @@ public partial class StreamTests
     }
 
     [Test]
-    [CLSCompliant(false)]
         public void ReadUInt64_ShouldReadBigEndian_GivenBigEndian()
     {
         using var stream = new MemoryStream();
@@ -55,7 +51,6 @@ public partial class StreamTests
     }
 
     [Test]
-    [CLSCompliant(false)]
         public void ReadUInt64_ShouldWriteLittleEndian_GivenLittleEndian()
     {
         using var stream = new MemoryStream();

X10D.Tests/src/IO/StreamTests.WriteDecimal.cs

@@ -4,7 +4,7 @@ using X10D.IO;
 
 namespace X10D.Tests.IO;
 
-public partial class StreamTests
+internal partial class StreamTests
 {
     [Test]
     public void WriteDecimal_ShouldThrowArgumentException_GivenNonWriteableStream()

X10D.Tests/src/IO/StreamTests.WriteDouble.cs

@@ -3,7 +3,7 @@ using X10D.IO;
 
 namespace X10D.Tests.IO;
 
-public partial class StreamTests
+internal partial class StreamTests
 {
     [Test]
     public void WriteDouble_ShouldThrowArgumentException_GivenNonWriteableStream()

X10D.Tests/src/IO/StreamTests.WriteInt16.cs

@@ -3,7 +3,7 @@ using X10D.IO;
 
 namespace X10D.Tests.IO;
 
-public partial class StreamTests
+internal partial class StreamTests
 {
     [Test]
     public void WriteInt16_ShouldThrowArgumentException_GivenNonWriteableStream()

X10D.Tests/src/IO/StreamTests.WriteInt32.cs

@@ -3,7 +3,7 @@ using X10D.IO;
 
 namespace X10D.Tests.IO;
 
-public partial class StreamTests
+internal partial class StreamTests
 {
     [Test]
     public void WriteInt32_ShouldThrowArgumentException_GivenNonWriteableStream()

X10D.Tests/src/IO/StreamTests.WriteInt64.cs

@@ -3,7 +3,7 @@ using X10D.IO;
 
 namespace X10D.Tests.IO;
 
-public partial class StreamTests
+internal partial class StreamTests
 {
     [Test]
     public void WriteInt64_ShouldThrowArgumentException_GivenNonWriteableStream()

X10D.Tests/src/IO/StreamTests.WriteSingle.cs

@@ -3,7 +3,7 @@ using X10D.IO;
 
 namespace X10D.Tests.IO;
 
-public partial class StreamTests
+internal partial class StreamTests
 {
     [Test]
     public void WriteSingle_ShouldThrowArgumentException_GivenNonWriteableStream()

X10D.Tests/src/IO/StreamTests.WriteUInt16.cs

@@ -3,10 +3,9 @@ using X10D.IO;
 
 namespace X10D.Tests.IO;
 
-public partial class StreamTests
+internal partial class StreamTests
 {
     [Test]
-    [CLSCompliant(false)]
         public void WriteUInt16_ShouldThrowArgumentException_GivenNonWriteableStream()
     {
         Stream stream = new DummyStream();
@@ -15,7 +14,6 @@ public partial class StreamTests
     }
 
     [Test]
-    [CLSCompliant(false)]
         public void WriteUInt16_ShouldThrowArgumentNullException_GivenNullStream()
     {
         Stream stream = null!;
@@ -24,7 +22,6 @@ public partial class StreamTests
     }
 
     [Test]
-    [CLSCompliant(false)]
         public void WriteUInt16_ShouldThrowArgumentOutOfRangeException_GivenInvalidEndiannessValue()
     {
         // we don't need to enclose this stream in a using declaration, since disposing a
@@ -38,7 +35,6 @@ public partial class StreamTests
     }
 
     [Test]
-    [CLSCompliant(false)]
         public void WriteUInt16_ShouldWriteBigEndian_GivenBigEndian()
     {
         using var stream = new MemoryStream();
@@ -55,7 +51,6 @@ public partial class StreamTests
     }
 
     [Test]
-    [CLSCompliant(false)]
         public void WriteUInt16_ShouldWriteLittleEndian_GivenLittleEndian()
     {
         using var stream = new MemoryStream();

X10D.Tests/src/IO/StreamTests.WriteUInt32.cs

@@ -3,10 +3,9 @@ using X10D.IO;
 
 namespace X10D.Tests.IO;
 
-public partial class StreamTests
+internal partial class StreamTests
 {
     [Test]
-    [CLSCompliant(false)]
         public void WriteUInt32_ShouldThrowArgumentException_GivenNonWriteableStream()
     {
         Stream stream = new DummyStream();
@@ -15,7 +14,6 @@ public partial class StreamTests
     }
 
     [Test]
-    [CLSCompliant(false)]
         public void WriteUInt32_ShouldThrowArgumentNullException_GivenNullStream()
     {
         Stream stream = null!;
@@ -24,7 +22,6 @@ public partial class StreamTests
     }
 
     [Test]
-    [CLSCompliant(false)]
         public void WriteUInt32_ShouldThrowArgumentOutOfRangeException_GivenInvalidEndiannessValue()
     {
         // we don't need to enclose this stream in a using declaration, since disposing a
@@ -38,7 +35,6 @@ public partial class StreamTests
     }
 
     [Test]
-    [CLSCompliant(false)]
         public void WriteUInt32_ShouldWriteBigEndian_GivenBigEndian()
     {
         using var stream = new MemoryStream();
@@ -55,7 +51,6 @@ public partial class StreamTests
     }
 
     [Test]
-    [CLSCompliant(false)]
         public void WriteUInt32_ShouldWriteLittleEndian_GivenLittleEndian()
     {
         using var stream = new MemoryStream();

X10D.Tests/src/IO/StreamTests.WriteUInt64.cs

@@ -3,10 +3,9 @@ using X10D.IO;
 
 namespace X10D.Tests.IO;
 
-public partial class StreamTests
+internal partial class StreamTests
 {
     [Test]
-    [CLSCompliant(false)]
         public void WriteUInt64_ShouldThrowArgumentException_GivenNonWriteableStream()
     {
         Stream stream = new DummyStream();
@@ -15,7 +14,6 @@ public partial class StreamTests
     }
 
     [Test]
-    [CLSCompliant(false)]
         public void WriteUInt64_ShouldThrowArgumentNullException_GivenNullStream()
     {
         Stream stream = null!;
@@ -24,7 +22,6 @@ public partial class StreamTests
     }
 
     [Test]
-    [CLSCompliant(false)]
         public void WriteUInt64_ShouldThrowArgumentOutOfRangeException_GivenInvalidEndiannessValue()
     {
         // we don't need to enclose this stream in a using declaration, since disposing a
@@ -38,7 +35,6 @@ public partial class StreamTests
     }
 
     [Test]
-    [CLSCompliant(false)]
         public void WriteUInt64_ShouldWriteBigEndian_GivenBigEndian()
     {
         using var stream = new MemoryStream();
@@ -55,7 +51,6 @@ public partial class StreamTests
     }
 
     [Test]
-    [CLSCompliant(false)]
         public void WriteUInt64_ShouldWriteLittleEndian_GivenLittleEndian()
     {
         using var stream = new MemoryStream();

X10D.Tests/src/IO/StreamTests.cs

@@ -7,7 +7,7 @@ using X10D.IO;
 namespace X10D.Tests.IO;
 
 [TestFixture]
-public partial class StreamTests
+internal partial class StreamTests
 {
     [Test]
     public void GetHashSha1ShouldBeCorrect()

X10D.Tests/src/IO/TextReaderTests.cs

@@ -5,7 +5,7 @@ using X10D.IO;
 namespace X10D.Tests.IO;
 
 [TestFixture]
-public class TextReaderTests
+internal class TextReaderTests
 {
     [Test]
     public void EnumerateLines_ShouldYield10Lines_Given10LineString()

X10D.Tests/src/IO/TextWriterTests.Double.cs

@@ -5,7 +5,7 @@ using X10D.IO;
 
 namespace X10D.Tests.IO;
 
-public partial class TextWriterTests
+internal partial class TextWriterTests
 {
     [Test]
     public void WriteNoAlloc_ShouldThrowArgumentNullException_GivenDouble_AndNullWriter()

X10D.Tests/src/IO/TextWriterTests.Int32.cs

@@ -5,7 +5,7 @@ using X10D.IO;
 
 namespace X10D.Tests.IO;
 
-public partial class TextWriterTests
+internal partial class TextWriterTests
 {
     [Test]
     public void WriteNoAlloc_ShouldThrowArgumentNullException_GivenInt32_AndNullWriter()

X10D.Tests/src/IO/TextWriterTests.Int64.cs

@@ -5,7 +5,7 @@ using X10D.IO;
 
 namespace X10D.Tests.IO;
 
-public partial class TextWriterTests
+internal partial class TextWriterTests
 {
     [Test]
     public void WriteNoAlloc_ShouldThrowArgumentNullException_GivenInt64_AndNullWriter()

X10D.Tests/src/IO/TextWriterTests.Single.cs

@@ -5,7 +5,7 @@ using X10D.IO;
 
 namespace X10D.Tests.IO;
 
-public partial class TextWriterTests
+internal partial class TextWriterTests
 {
     [Test]
     public void WriteNoAlloc_ShouldThrowArgumentNullException_GivenSingle_AndNullWriter()

X10D.Tests/src/IO/TextWriterTests.UInt32.cs

@@ -5,7 +5,7 @@ using X10D.IO;
 
 namespace X10D.Tests.IO;
 
-public partial class TextWriterTests
+internal partial class TextWriterTests
 {
     [Test]
     public void WriteNoAlloc_ShouldThrowArgumentNullException_GivenUInt32_AndNullWriter()

X10D.Tests/src/IO/TextWriterTests.UInt64.cs

@@ -5,7 +5,7 @@ using X10D.IO;
 
 namespace X10D.Tests.IO;
 
-public partial class TextWriterTests
+internal partial class TextWriterTests
 {
     [Test]
     public void WriteNoAlloc_ShouldThrowArgumentNullException_GivenUInt64_AndNullWriter()

X10D.Tests/src/IO/TextWriterTests.cs

@@ -1,11 +1,13 @@
 using System.Diagnostics;
+using System.Diagnostics.CodeAnalysis;
 using System.Text;
 using NUnit.Framework;
 
 namespace X10D.Tests.IO;
 
 [TestFixture]
-public partial class TextWriterTests
+[SuppressMessage("Design", "CA1001:Types that own disposable fields should be disposable")]
+internal partial class TextWriterTests
 {
     private MemoryStream _stream = null!;
     private StreamWriter _writer = null!;

X10D.Tests/src/IO/UInt16Tests.cs

@@ -4,8 +4,7 @@ using X10D.IO;
 namespace X10D.Tests.IO;
 
 [TestFixture]
-[CLSCompliant(false)]
+internal class UInt16Tests
-public class UInt16Tests
 {
     [Test]
     public void GetBytes_ReturnsCorrectValue()

X10D.Tests/src/IO/UInt32Tests.cs

@@ -4,8 +4,7 @@ using X10D.IO;
 namespace X10D.Tests.IO;
 
 [TestFixture]
-[CLSCompliant(false)]
+internal class UInt32Tests
-public class UInt32Tests
 {
     [Test]
     public void GetBytes_ReturnsCorrectValue()

X10D.Tests/src/IO/UInt64Tests.cs

@@ -4,8 +4,7 @@ using X10D.IO;
 namespace X10D.Tests.IO;
 
 [TestFixture]
-[CLSCompliant(false)]
+internal class UInt64Tests
-public class UInt64Tests
 {
     [Test]
     public void GetBytes_ReturnsCorrectValue()

X10D.Tests/src/Linq/ByteTests.cs

@@ -4,7 +4,7 @@ using X10D.Linq;
 namespace X10D.Tests.Linq;
 
 [TestFixture]
-public class ByteTests
+internal class ByteTests
 {
     [Test]
     public void ProductShouldBeCorrect()

X10D.Tests/src/Linq/DecimalTests.cs

@@ -4,7 +4,7 @@ using X10D.Linq;
 namespace X10D.Tests.Linq;
 
 [TestFixture]
-public class DecimalTests
+internal class DecimalTests
 {
     [Test]
     public void ProductShouldBeCorrect()

X10D.Tests/src/Linq/DoubleTests.cs

@@ -4,7 +4,7 @@ using X10D.Linq;
 namespace X10D.Tests.Linq;
 
 [TestFixture]
-public class DoubleTests
+internal class DoubleTests
 {
     [Test]
     public void ProductShouldBeCorrect()

X10D.Tests/src/Linq/EnumerableTests.cs

@@ -4,7 +4,7 @@ using X10D.Linq;
 namespace X10D.Tests.Linq;
 
 [TestFixture]
-public class EnumerableTests
+internal class EnumerableTests
 {
     [Test]
     public void Except_ShouldFilterElements_GivenMatchingElements()

X10D.Tests/src/Linq/Int16Tests.cs

@@ -4,7 +4,7 @@ using X10D.Linq;
 namespace X10D.Tests.Linq;
 
 [TestFixture]
-public class Int16Tests
+internal class Int16Tests
 {
     [Test]
     public void ProductShouldBeCorrect()

X10D.Tests/src/Linq/Int32Tests.cs

@@ -4,7 +4,7 @@ using X10D.Linq;
 namespace X10D.Tests.Linq;
 
 [TestFixture]
-public class Int32Tests
+internal class Int32Tests
 {
     [Test]
     public void ProductShouldBeCorrect()

X10D.Tests/src/Linq/Int64Tests.cs

@@ -4,7 +4,7 @@ using X10D.Linq;
 namespace X10D.Tests.Linq;
 
 [TestFixture]
-public class Int64Tests
+internal class Int64Tests
 {
     [Test]
     public void ProductShouldBeCorrect()

X10D.Tests/src/Linq/ReadOnlySpanTests.cs

@@ -4,7 +4,7 @@ using X10D.Linq;
 namespace X10D.Tests.Linq;
 
 [TestFixture]
-public class ReadOnlySpanTests
+internal class ReadOnlySpanTests
 {
     [Test]
     public void AllShouldReturnTrueForEmptySpan()

X10D.Tests/src/Linq/SByteTests.cs

@@ -4,8 +4,7 @@ using X10D.Linq;
 namespace X10D.Tests.Linq;
 
 [TestFixture]
-[CLSCompliant(false)]
+internal class SByteTests
-public class SByteTests
 {
     [Test]
     public void ProductShouldBeCorrect()

X10D.Tests/src/Linq/SingleTests.cs

@@ -4,7 +4,7 @@ using X10D.Linq;
 namespace X10D.Tests.Linq;
 
 [TestFixture]
-public class SingleTests
+internal class SingleTests
 {
     [Test]
     public void ProductShouldBeCorrect()

X10D.Tests/src/Linq/SpanTests.cs

@@ -4,7 +4,7 @@ using X10D.Linq;
 namespace X10D.Tests.Linq;
 
 [TestFixture]
-public class SpanTests
+internal class SpanTests
 {
     [Test]
     public void AllShouldReturnTrueForEmptySpan()

X10D.Tests/src/Linq/UInt16Tests.cs

@@ -4,8 +4,7 @@ using X10D.Linq;
 namespace X10D.Tests.Linq;
 
 [TestFixture]
-[CLSCompliant(false)]
+internal class UInt16Tests
-public class UInt16Tests
 {
     [Test]
     public void ProductShouldBeCorrect()

X10D.Tests/src/Linq/UInt32Tests.cs

@@ -4,8 +4,7 @@ using X10D.Linq;
 namespace X10D.Tests.Linq;
 
 [TestFixture]
-[CLSCompliant(false)]
+internal class UInt32Tests
-public class UInt32Tests
 {
     [Test]
     public void ProductShouldBeCorrect()

X10D.Tests/src/Linq/UInt64Tests.cs

@@ -4,8 +4,7 @@ using X10D.Linq;
 namespace X10D.Tests.Linq;
 
 [TestFixture]
-[CLSCompliant(false)]
+internal class UInt64Tests
-public class UInt64Tests
 {
     [Test]
     public void ProductShouldBeCorrect()

X10D.Tests/src/Math/BigIntegerTests.Wrap.cs

@@ -4,7 +4,7 @@ using X10D.Math;
 
 namespace X10D.Tests.Math;
 
-public partial class BigIntegerTests
+internal partial class BigIntegerTests
 {
     [TestFixture]
     public class WrapTests

X10D.Tests/src/Math/BigIntegerTests.cs

@@ -5,7 +5,7 @@ using X10D.Math;
 namespace X10D.Tests.Math;
 
 [TestFixture]
-public partial class BigIntegerTests
+internal partial class BigIntegerTests
 {
     [Test]
     public void CountDigits_ShouldReturn1_Given0()