```
#region License
/*
* 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.
*/
#endregion
using Gremlin.Net.Driver;
using Gremlin.Net.Driver.Messages;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using System;
using System.Text;
using Xunit;
namespace Gremlin.Net.UnitTest.Driver
{
// Will be used in future to switch to new .NET Core Json deserializer
public class JsonMessageSerializerTests
{
[Fact]
public void NullError()
{
var sut = new JsonMessageSerializer(GremlinClient.DefaultMimeType);
Assert.Throws<ArgumentNullException>(()=>
sut.DeserializeMessage<ResponseMessage<JToken>>(null));
}
[Fact]
public void EmptyToNull()
{
var sut = new JsonMessageSerializer(GremlinClient.DefaultMimeType);
Assert.Null(sut.DeserializeMessage<ResponseMessage<JToken>>(new
byte[0]));
var ofEmpty = Encoding.UTF8.GetBytes("");
Assert.Null(sut.DeserializeMessage<ResponseMessage<JToken>>(ofEmpty));
var ofNull = Encoding.UTF8.GetBytes("null");
Assert.Null(sut.DeserializeMessage<ResponseMessage<JToken>>(ofNull));
}
[Fact]
public void Any()
{
var sut = new JsonMessageSerializer(GremlinClient.DefaultMimeType);
var obj = Encoding.UTF8.GetBytes("{}");
Assert.NotNull(sut.DeserializeMessage<ResponseMessage<JToken>>(obj));
var arr = Encoding.UTF8.GetBytes("[]");
Assert.Throws<JsonSerializationException>(()=>
sut.DeserializeMessage<ResponseMessage<JToken>>(arr));
}
}
}
```
Seem happend when data lost over network.
[ Full content available at: https://github.com/apache/tinkerpop/pull/1250 ]
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