Add test (#1879)

Src/Newtonsoft.Json.Tests/Issues/Issue1877.cs

@@ -0,0 +1,82 @@
+#region License
+// Copyright (c) 2007 James Newton-King
+//
+// Permission is hereby granted, free of charge, to any person
+// obtaining a copy of this software and associated documentation
+// files (the "Software"), to deal in the Software without
+// restriction, including without limitation the rights to use,
+// copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the
+// Software is furnished to do so, subject to the following
+// conditions:
+//
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+// OTHER DEALINGS IN THE SOFTWARE.
+#endregion
+
+using Newtonsoft.Json.Linq;
+using Newtonsoft.Json.Linq.JsonPath;
+using System;
+using System.Collections.Generic;
+using Newtonsoft.Json.Converters;
+#if DNXCORE50
+using Xunit;
+using Test = Xunit.FactAttribute;
+using Assert = Newtonsoft.Json.Tests.XUnitAssert;
+#else
+using NUnit.Framework;
+#endif
+
+namespace Newtonsoft.Json.Tests.Issues
+{
+    [TestFixture]
+    public class Issue1877
+    {
+        [Test]
+        public void Test()
+        {
+            var f2 = new Fubar2();
+            f2.Version = new Version("3.0");
+            (f2 as Fubar).Version = new Version("4.0");
+
+            var s = JsonConvert.SerializeObject(f2, new JsonSerializerSettings
+            {
+                Converters = { new VersionConverter() }
+            });
+            Assert.AreEqual(@"{""Version"":""4.0""}", s);
+
+            var f3 = JsonConvert.DeserializeObject<Fubar2>(s, new JsonSerializerSettings
+            {
+                ObjectCreationHandling = ObjectCreationHandling.Replace,
+                Converters = { new VersionConverter() }
+            });
+
+            Assert.AreEqual(2, f3.Version.Major);
+            Assert.AreEqual(4, (f3 as Fubar).Version.Major);
+        }
+
+        class Fubar
+        {
+            public Version Version { get; set; } = new Version("1.0");
+
+            // ...
+        }
+
+        private class Fubar2 : Fubar
+        {
+            [JsonIgnore]
+            public new Version Version { get; set; } = new Version("2.0");
+
+            // ...
+        }
+    }
+}