add missing primitives, support unnamed types

FastCloner.Tests/SpecialCaseTests.cs

@@ -940,6 +940,130 @@ public string Prop
         }
     }
 
+    private unsafe class UnnamedTypeContainer
+    {
+        public int Value;
+        public object? Object;
+        public delegate*<IServiceProvider, object> Builder;
+    }
+
+    [Test]
+    public unsafe void Test_Unnamed_Type()
+    {
+        // Arrange
+        int[] array = [1, 2, 3];
+        IntPtr builder = (IntPtr)GCHandle.Alloc(array, GCHandleType.Pinned);
+        UnnamedTypeContainer obj = new UnnamedTypeContainer
+        {
+            Value = 1,
+            Object = new object(),
+            Builder = (delegate*<IServiceProvider, object>)builder
+        };
+
+        // Act
+        UnnamedTypeContainer result = obj.DeepClone();
+
+        // Assert
+        Assert.Multiple(() =>
+        {
+            Assert.That(result, Is.Not.EqualTo(obj));
+            Assert.That(result.Value, Is.EqualTo(obj.Value));
+            Assert.That(result.Object, Is.Not.EqualTo(obj.Object));
+            Assert.That(result.Builder == obj.Builder, Is.True);
+        });
+    }
+
+    [Test]
+    public void Test_TimeSpan()
+    {
+        // Arrange
+        TimeSpan obj = TimeSpan.FromHours(42.5);
+
+        // Act
+        TimeSpan result = obj.DeepClone();
+
+        // Assert
+        Assert.That(result, Is.EqualTo(obj));
+    }
+
+    [Test]
+    public void Test_TimeZoneInfo()
+    {
+        // Arrange
+        TimeZoneInfo obj = TimeZoneInfo.Local;
+
+        // Act
+        TimeZoneInfo result = obj.DeepClone();
+
+        // Assert
+        Assert.That(result, Is.EqualTo(obj));
+    }
+
+    [Test]
+    public void Test_Half()
+    {
+        // Arrange
+        Half obj = (Half)42.5f;
+
+        // Act
+        Half result = obj.DeepClone();
+
+        // Assert
+        Assert.That(result, Is.EqualTo(obj));
+    }
+
+    [Test]
+    public void Test_Int128()
+    {
+        // Arrange
+        Int128 obj = Int128.Parse("123456789012345678901234567890");
+
+        // Act
+        Int128 result = obj.DeepClone();
+
+        // Assert
+        Assert.That(result, Is.EqualTo(obj));
+    }
+
+    [Test]
+    public void Test_UInt128()
+    {
+        // Arrange
+        UInt128 obj = UInt128.Parse("123456789012345678901234567890");
+
+        // Act
+        UInt128 result = obj.DeepClone();
+
+        // Assert
+        Assert.That(result, Is.EqualTo(obj));
+    }
+
+    [Test]
+    public void Test_Char()
+    {
+        // Arrange
+        char obj = 'Ž';
+
+        // Act
+        char result = obj.DeepClone();
+
+        // Assert
+        Assert.That(result, Is.EqualTo(obj));
+    }
+
+    [Test]
+    public void Test_Bool()
+    {
+        // Arrange
+        bool obj = true;
+
+        // Act
+        bool result = obj.DeepClone();
+
+        // Assert
+        Assert.That(result, Is.EqualTo(obj));
+    }
+
     [Test]
     public void Test_Notify_Triggered_Correctly()
     {

FastCloner/Code/FastClonerSafeTypes.cs

@@ -22,44 +22,60 @@ internal static class FastClonerSafeTypes
         [typeof(double)] = true,
         [typeof(decimal)] = true,
         [typeof(string)] = true,
+        [typeof(char)] = true,
+        [typeof(bool)] = true,
+        [typeof(sbyte)] = true,
+        [typeof(nint)] = true,
+        [typeof(nuint)] = true,
+        [typeof(Guid)] = true,
+
+        // Time-related types
+        [typeof(TimeSpan)] = true,
+        [typeof(TimeZoneInfo)] = true,
         [typeof(DateTime)] = true,
         [typeof(DateTimeOffset)] = true,
         [typeof(DateOnly)] = true,
         [typeof(TimeOnly)] = true,
-        [typeof(IntPtr)] = true,
-        [typeof(UIntPtr)] = true,
-        [typeof(Guid)] = true,
+
+        // Numeric types
+        [typeof(Half)] = true,
+        [typeof(Int128)] = true,
+        [typeof(UInt128)] = true,
 
         // Others
         [typeof(DBNull)] = true,
         [StringComparer.Ordinal.GetType()] = true,
         [StringComparer.OrdinalIgnoreCase.GetType()] = true,
+        [StringComparer.InvariantCulture.GetType()] = true,
+        [StringComparer.InvariantCultureIgnoreCase.GetType()] = true
     };
 
     static FastClonerSafeTypes()
     {
-        foreach (
-            Type? x in
-            new[]
-            {
-                Type.GetType("System.RuntimeType"),
-                Type.GetType("System.RuntimeTypeHandle"),
-                StringComparer.InvariantCulture.GetType(),
-                StringComparer.InvariantCultureIgnoreCase.GetType(),
-            }) KnownTypes.TryAdd(x, true);
+        List<Type?> safeTypes =
+        [
+            Type.GetType("System.RuntimeType"),
+            Type.GetType("System.RuntimeTypeHandle")
+        ];
+
+        foreach (Type? x in safeTypes.OfType<Type>())
+        {
+            KnownTypes.TryAdd(x, true);
+        }
     }
 
     private static bool CanReturnSameType(Type type, HashSet<Type>? processingTypes)
     {
         if (KnownTypes.TryGetValue(type, out bool isSafe))
+        {
             return isSafe;
+        }
 
         if (typeof(Delegate).IsAssignableFrom(type))
         {
             KnownTypes.TryAdd(type, false);
             return false;
         }
-
 
         // enums are safe
         // pointers (e.g. int*) are unsafe, but we cannot do anything with it except blind copy
@@ -68,6 +84,12 @@ private static bool CanReturnSameType(Type type, HashSet<Type>? processingTypes)
             KnownTypes.TryAdd(type, true);
             return true;
         }
+
+        if (type.FullName is null)
+        {
+            KnownTypes.TryAdd(type, true);
+            return true;
+        }
 
         if (type.FullName.StartsWith("System.Reflection.") && type.Assembly == typeof(PropertyInfo).Assembly)
         {