THRIFT-4723 Consolidate C#/netcore into new netstd language target
Client: netstd
Patch: Jens Geyer

This closes #1710
diff --git a/lib/netstd/Tests/Thrift.Tests/Protocols/TJsonProtocolTests.cs b/lib/netstd/Tests/Thrift.Tests/Protocols/TJsonProtocolTests.cs
new file mode 100644
index 0000000..a74f42b
--- /dev/null
+++ b/lib/netstd/Tests/Thrift.Tests/Protocols/TJsonProtocolTests.cs
@@ -0,0 +1,67 @@
+// Licensed to the Apache Software Foundation(ASF) under one
+// or more contributor license agreements.See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License. You may obtain a copy of the License at
+// 
+//     http://www.apache.org/licenses/LICENSE-2.0
+// 
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied. See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using NSubstitute;
+using Thrift.Protocol;
+using Thrift.Protocol.Entities;
+using Thrift.Transport;
+using Thrift.Transport.Client;
+
+namespace Thrift.Tests.Protocols
+{
+    // ReSharper disable once InconsistentNaming
+    [TestClass]
+    public class TJSONProtocolTests
+    {
+        [TestMethod]
+        public void TJSONProtocol_Can_Create_Instance_Test()
+        {
+            var httpClientTransport = Substitute.For<THttpTransport>(new Uri("http://localhost"), null);
+
+            var result = new TJSONProtocolWrapper(httpClientTransport);
+
+            Assert.IsNotNull(result);
+            Assert.IsNotNull(result.WrappedContext);
+            Assert.IsNotNull(result.WrappedReader);
+            Assert.IsNotNull(result.Transport);
+            Assert.IsTrue(result.WrappedRecursionDepth == 0);
+            Assert.IsTrue(result.WrappedRecursionLimit == TProtocol.DefaultRecursionDepth);
+
+            Assert.IsTrue(result.Transport.Equals(httpClientTransport));
+            Assert.IsTrue(result.WrappedContext.GetType().Name.Equals("JSONBaseContext", StringComparison.OrdinalIgnoreCase));
+            Assert.IsTrue(result.WrappedReader.GetType().Name.Equals("LookaheadReader", StringComparison.OrdinalIgnoreCase));
+        }
+
+        private class TJSONProtocolWrapper : TJsonProtocol
+        {
+            public TJSONProtocolWrapper(TTransport trans) : base(trans)
+            {
+            }
+
+            public object WrappedContext => Context;
+            public object WrappedReader => Reader;
+            public int WrappedRecursionDepth => RecursionDepth;
+            public int WrappedRecursionLimit => RecursionLimit;
+        }
+    }
+}