Enabling the following

SqlString sqlString = reader.GetSqlString(0);
Assert.NotNull(sqlString.Value);
var sqlJson = reader.GetSqlJson(0);
Assert.NotNull(sqlJson);
string fieldval = reader.GetFieldValue<string>(0);
Assert.NotNull(fieldval);
JsonDocument jsondoc = reader.GetFieldValue<JsonDocument>(0);
Assert.NotNull(jsondoc);

src/Microsoft.Data.SqlClient/tests/ManualTests/Json/SqlJsonE2ETests.cs

@@ -0,0 +1,130 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Data.SqlTypes;
+using System.IO;
+using System.Reflection;
+using System.Text.Json;
+using System.Xml;
+using Microsoft.Data.SqlTypes;
+using Xunit;
+
+namespace Microsoft.Data.SqlClient.ManualTesting.Tests.Json
+{
+    public class SqlJsonE2ETests
+    {
+        [Fact]
+        public void SqlJsonRetrieval()
+        {
+            string commandText = "select * from dbo.jsonTab";
+            SqlConnectionStringBuilder builder = new()
+            {
+                DataSource = "10.224.90.149,1433",
+                UserID = "sa",
+                Password = "Yukon900!Welcome",
+                Encrypt = false,
+                TrustServerCertificate = true,
+                InitialCatalog = "JSONDbSaurabh"
+            };
+            string connectionString = builder.ConnectionString;
+            using (SqlConnection connection = new SqlConnection(connectionString))
+            {
+                connection.Open();
+                using (SqlCommand command = connection.CreateCommand())
+                {
+                    command.CommandText = commandText;
+                    using (SqlDataReader reader = command.ExecuteReader())
+                    {
+                        while (reader.Read())
+                        {
+                            SqlString sqlString = reader.GetSqlString(0);
+                            Assert.NotNull(sqlString.Value);
+                            var sqlJson = reader.GetSqlJson(0);
+                            Assert.NotNull(sqlJson);
+                            string fieldval = reader.GetFieldValue<string>(0);
+                            Assert.NotNull(fieldval);
+                            JsonDocument jsondoc = reader.GetFieldValue<JsonDocument>(0);
+                            Assert.NotNull(jsondoc);
+                            Console.WriteLine(sqlString.Value);
+                        }
+                    }
+                }
+            }
+        }
+
+        [Fact]
+        public void SqlJsonTest_Null()
+        {
+            //AppContext.SetSwitch("Switch.Microsoft.Data.SqlClient.UseManagedNetworkingOnWindows", true);
+
+            bool testSqlJson = true;
+            SqlParameter param = null;
+            string commandText = "insert into xmltable values (@xml)";
+            string connectionString = null;
+            if (testSqlJson)
+            {
+                string jsonPayload = "{\r\n    " +
+                    "\"name\": \"John Doe\",\r\n    " +
+                    "\"age\": 30,\r\n    " +
+                    "\"isStudent\": false,\r\n    " +
+                    "\"courses\": " +
+                    "   [" +
+                    "       \"Mathematics\"," +
+                    "       \"Computer Science\"" +
+                    " ], " +
+                    " \"address\": {" +
+                    "        \"street\": \"123 Main St\",\r\n        \"city\": \"Anytown\", " +
+                    "        \"zipCode\": \"11112345\"\r\n    " +
+                    "}" +
+                    "}";
+                JsonDocument document = JsonDocument.Parse(jsonPayload);
+                SqlJson sqlJson = new(document);
+
+                commandText = "Insert into jsonTab values (@jsonData)";
+                param = new SqlParameter() { ParameterName = "@jsonData", Value = sqlJson };
+
+                SqlConnectionStringBuilder builder = new()
+                {
+                    DataSource = "10.224.90.149,1433",
+                    UserID = "sa",
+                    Password = "Yukon900!Welcome",
+                    Encrypt = false,
+                    TrustServerCertificate = true,
+                    InitialCatalog = "JSONDbSaurabh"
+                };
+                connectionString = builder.ConnectionString;
+            }
+            else
+            {
+                string xmlString = "<root></root>";
+
+                _ = new SqlString(xmlString);
+
+                TextReader textReader = new StringReader(xmlString);
+                XmlReader reader = XmlReader.Create(textReader);
+
+                SqlXml sqlXmlInstance = new SqlXml(reader);
+                param = new SqlParameter() { ParameterName = "@xml", Value = sqlXmlInstance };
+
+                SqlConnectionStringBuilder builder = new()
+                {
+                    DataSource = "localhost",
+                    IntegratedSecurity = true,
+                    Encrypt = false,
+                    TrustServerCertificate = true,
+                    InitialCatalog = "xmlstuff"
+                };
+                connectionString = builder.ConnectionString;
+            }
+
+            using SqlConnection conn = new(connectionString);
+            conn.Open();
+            using SqlCommand cmd = new(commandText, conn);
+            cmd.CommandType = System.Data.CommandType.Text;
+            cmd.Parameters.Add(param);
+            cmd.ExecuteNonQuery();
+        }
+    }
+}

src/Microsoft.Data.SqlClient/tests/ManualTests/Microsoft.Data.SqlClient.ManualTesting.Tests.csproj

@@ -277,6 +277,7 @@
     <Compile Include="DataCommon\ProxyServer.cs" />
     <Compile Include="DataCommon\SqlClientCustomTokenCredential.cs" />
     <Compile Include="DataCommon\SystemDataResourceManager.cs" />
+    <Compile Include="Json\SqlJsonE2ETests.cs" />
     <Compile Include="Json\SqlJsonTest.cs" />
     <Compile Include="SQL\Common\AsyncDebugScope.cs" />
     <Compile Include="SQL\Common\ConnectionPoolWrapper.cs" />
@@ -316,6 +317,7 @@
     <ProjectReference Condition="'$(TargetGroup)'=='netfx' AND $(ReferenceType)=='Project'" Include="$(NetFxSource)src\Microsoft.Data.SqlClient.csproj" />
     <ProjectReference Condition="!$(ReferenceType.Contains('Package'))" Include="$(SqlServerSource)Microsoft.SqlServer.Server.csproj" />
     <PackageReference Condition="$(ReferenceType.Contains('Package'))" Include="Microsoft.Data.SqlClient" Version="$(TestMicrosoftDataSqlClientVersion)" />
+    <PackageReference Include="Microsoft.Data.SqlClient.SNI.runtime" Version="5.2.0" />
     <PackageReference Include="System.Configuration.ConfigurationManager" Version="$(SystemConfigurationConfigurationManagerVersion)" />
     <ProjectReference Include="$(TestsPath)CustomConfigurableRetryLogic\CustomRetryLogicProvider.csproj" />
   </ItemGroup>