add Sealed record Detection and Test

Author: DocSvartz

src/Mapster.Tests/WhenMappingRecordRegression.cs

@@ -68,6 +68,28 @@ public void AdaptClassToRecord()
             object.ReferenceEquals(_destination, _result).ShouldBeFalse();
         }
 
+        [TestMethod]
+        public void AdaptToSealtedRecord()
+        {
+            var _sourceRecord = new TestRecord() { X = 2000 };
+            var _destinationSealtedRecord = new TestSealedRecord() { X = 3000 };
+            var _RecordResult = _sourceRecord.Adapt(_destinationSealtedRecord);
+
+            _RecordResult.X.ShouldBe(2000);
+            object.ReferenceEquals(_destinationSealtedRecord, _RecordResult).ShouldBeFalse();
+        }
+
+        [TestMethod]
+        public void AdaptToSealtedPositionalRecord()
+        {
+            var _sourceRecord = new TestRecord() { X = 2000 };
+            var _destinationSealtedPositionalRecord = new TestSealedRecordPositional(4000);
+            var _RecordResult = _sourceRecord.Adapt(_destinationSealtedPositionalRecord);
+
+            _RecordResult.X.ShouldBe(2000);
+            object.ReferenceEquals(_destinationSealtedPositionalRecord, _RecordResult).ShouldBeFalse();
+        }
+
         [TestMethod]
         public void AdaptClassToClassPublicCtrIsNotInstanse()
         {
@@ -408,5 +430,16 @@ record struct TestRecordStruct
         public int X { set; get; }
     }
 
+    /// <summary>
+    /// Different Checked Constructor Attribute From Spec
+    /// https://learn.microsoft.com/ru-ru/dotnet/csharp/language-reference/proposals/csharp-9.0/records#copy-and-clone-members
+    /// </summary>
+    sealed record TestSealedRecord()
+    {
+        public int X { get; set; }
+    }
+
+    sealed record TestSealedRecordPositional(int X);
+
     #endregion TestClasses
 }

src/Mapster/Utils/ReflectionUtils.cs

@@ -209,7 +209,7 @@ public static bool IsRecordType(this Type type)
             var ctors = type.GetConstructors(BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public).ToList();
 
             var isRecordTypeCtor = type.GetConstructors(BindingFlags.Instance | BindingFlags.NonPublic)
-                .Where(x => x.IsFamily == true)
+                .Where(x => x.IsFamily == true || (type.Attributes.HasFlag(TypeAttributes.Sealed) && x.IsPrivate == true)) // add target from Sealed record
                 .Any(x => x.GetParameters()
                          .Any(y => y.ParameterType == type));