Adding a test for custom JSON serializer and AddJsonBody

Author: alexeyzimarev

RestSharp.IntegrationTests/CustomRequestSerializerTests.cs

@@ -8,7 +8,6 @@ namespace RestSharp.IntegrationTests
 {
     public class CustomRequestSerializerTests
     {
-        private SimpleServer _server;
         private const string BASE_URL = "http://localhost:8888/";
 
         [Test]
@@ -29,7 +28,7 @@ public void Should_use_custom_xml_serializer()
         }
 
         [Test]
-        public void Should_use_custom_json_serializer()
+        public void Should_use_custom_json_serializer_for_addbody()
         {
             using (SimpleServer.Create(BASE_URL))
             {
@@ -45,6 +44,23 @@ public void Should_use_custom_json_serializer()
             }
         }
 
+        [Test]
+        public void Should_use_custom_json_serializer()
+        {
+            using (SimpleServer.Create(BASE_URL))
+            {
+                var client = new RestClient(BASE_URL);
+                var serializer = new CustomJsonSerializer();
+                var body = new {Text = "text"};
+
+                var request = new RestRequest("/") {JsonSerializer = serializer};
+                request.AddJsonBody(body);
+                client.Execute(request);
+
+                serializer.BodyString.ShouldBe(body.ToString());
+            }
+        }
+
         private class CustomXmlSerializer : IXmlSerializer
         {
             public string BodyString { get; private set; }