Attempt to reproduce #1304

Author: gmarz

src/Tests/Nest.Tests.Integration/Nest.Tests.Integration.csproj

@@ -173,6 +173,7 @@
     <Compile Include="Reproduce\Reproduce1193Tests.cs" />
     <Compile Include="Reproduce\Reproduce1236Tests.cs" />
     <Compile Include="Reproduce\Reproduce1278Tests.cs" />
+    <Compile Include="Reproduce\Reproduce1304Tests.cs" />
     <Compile Include="Reproduce\Reproduce769Tests.cs" />
     <Compile Include="Reproduce\Reproduce945Tests.cs" />
     <Compile Include="Reproduce\Reproduce953Tests.cs" />

src/Tests/Nest.Tests.Integration/Reproduce/Reproduce1304Tests.cs

@@ -0,0 +1,57 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using FluentAssertions;
+using NUnit.Framework;
+using Nest.Tests.MockData.Domain;
+using Newtonsoft.Json.Linq;
+using System.IO;
+
+namespace Nest.Tests.Integration.Reproduce
+{
+	[TestFixture]
+	public class Reproduce1304Tests : IntegrationTests
+	{
+		[Test]
+		public void AndFilterSerializationTest()
+		{
+			var descriptor1 = new SearchDescriptor<ElasticsearchProject>()
+				.From(0)
+				.Size(5)
+				.Query(q => q
+					.Filtered(f => f
+						.Query(qq => qq
+							.QueryString(qs => qs
+								.Query("*")
+							)
+						)
+						.Filter(ff => ff
+							.And(a => a
+								.Range(r => r
+									.OnField(p => p.StartedOn)
+									.GreaterOrEquals("2000-10-10T00:00:00")
+								.LowerOrEquals("2000-10-10T00:00:00")
+								),
+								a => a.Exists(p => p.Name),
+								a => a.Exists(p => p.Country),
+								a => a.Exists(p => p.Content)
+							)
+						)
+					)
+				);
+			var json1Bytes = this.Client.Serializer.Serialize(descriptor1);
+			var json1String = Encoding.UTF8.GetString(json1Bytes);
+
+			var descriptor2 = this.Client.Serializer.Deserialize<SearchDescriptor<ElasticsearchProject>>(new MemoryStream(json1Bytes));
+			var json2Bytes = this.Client.Serializer.Serialize(descriptor2);
+			var json2String = Encoding.UTF8.GetString(json2Bytes);
+			
+			JToken.DeepEquals(JObject.Parse(json1String), JObject.Parse(json2String)).Should().BeTrue();
+			
+			var result = this.Client.Search<ElasticsearchProject>(descriptor1);
+			result.IsValid.Should().BeTrue();
+		}
+	}
+}