improve System.Drawing support in the core library

Author: lofcz

FastCloner.Contrib/ContribTypeHandlers.cs

@@ -24,7 +24,7 @@ public static void Register()
 
     private static object ProcessFont(Type type, bool unboxStruct, FastClonerExprGenerator.ExpressionPosition position)
     {
-        return (Func<object, FastCloneState, object>)((obj, state) =>
+        return (Func<object, FastCloneState, object>)(static (obj, state) =>
         {
             Font font = (Font)obj;
             Font result = (Font)font.Clone();

FastCloner.Tests/FastCloner.Tests.csproj

@@ -15,9 +15,9 @@
     <PackageReference Include="FluentValidation" Version="12.0.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
     <PackageReference Include="NHibernate" Version="5.5.2" />
-    <PackageReference Include="NUnit" Version="4.3.2" />
-    <PackageReference Include="NUnit3TestAdapter" Version="5.0.0" />
-    <PackageReference Include="NUnit.Analyzers" Version="4.9.2">
+    <PackageReference Include="NUnit" Version="4.4.0" />
+    <PackageReference Include="NUnit3TestAdapter" Version="5.1.0" />
+    <PackageReference Include="NUnit.Analyzers" Version="4.10.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
@@ -26,7 +26,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
     <PackageReference Include="System.Data.SqlClient" Version="4.9.0" />
-    <PackageReference Include="System.Data.SQLite" Version="1.0.119" />
+    <PackageReference Include="System.Data.SQLite" Version="2.0.1" />
     <PackageReference Include="System.Data.SQLite.Core" Version="1.0.119" />
     <PackageReference Include="System.Drawing.Common" Version="8.0.3" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Analyzer.Testing" Version="1.1.2" />

FastCloner.Tests/SpecialCaseTests.cs

@@ -2960,4 +2960,67 @@ public void NonGenericDictionaryWithOptionalConstructor_ShouldDeepClone()
             Assert.That(clone["key1"], Is.EqualTo(999), "Clone should reflect changes");
         });
     }
+
+    [Test]
+    public void Drawing_Image_DeepClone_Test()
+    {
+        // Arrange
+        Image original = new Bitmap(10, 10);
+
+        // Act
+        Image clone = original.DeepClone();
+
+        // Assert
+        Assert.Multiple(() =>
+        {
+            Assert.That(clone, Is.Not.SameAs(original));
+            Assert.That(clone.Width, Is.EqualTo(original.Width));
+            Assert.That(clone.Height, Is.EqualTo(original.Height));
+        });
+    }
+
+    [Test]
+    public void Drawing_Icon_DeepClone_Test()
+    {
+        // Arrange
+        using Bitmap bitmap = new Bitmap(16, 16);
+        using Graphics g = Graphics.FromImage(bitmap);
+        g.Clear(Color.Red);
+        IntPtr hIcon = bitmap.GetHicon();
+        Icon original = Icon.FromHandle(hIcon);
+
+        // Act
+        Icon clone = original.DeepClone();
+
+        // Assert
+        Assert.Multiple(() =>
+        {
+            Assert.That(clone, Is.Not.SameAs(original));
+            Assert.That(clone.Width, Is.EqualTo(original.Width));
+            Assert.That(clone.Height, Is.EqualTo(original.Height));
+        });
+    }
+
+    [Test]
+    public void Drawing_Brush_DeepClone_Test()
+    {
+        // Arrange
+        SolidBrush original = new SolidBrush(Color.Red);
+
+        // Act
+        SolidBrush clone = original.DeepClone();
+
+        // Assert
+        Assert.Multiple(() =>
+        {
+            Assert.That(clone, Is.Not.SameAs(original));
+            Assert.That((clone).Color.R, Is.EqualTo((original).Color.R));
+            Assert.That((clone).Color.G, Is.EqualTo((original).Color.G));
+            Assert.That((clone).Color.B, Is.EqualTo((original).Color.B));
+            Assert.That((clone).Color.A, Is.EqualTo((original).Color.A));
+        });
+
+        original.Color = Color.Blue;
+        Assert.That(clone.Color.B, Is.EqualTo(0));
+    }
 }