Fixed #775 deserialization of GeoBoundingFilter not using invariantculture, we now also force invariant culture on all strings formatted with the .F() extension method.

Author: Mpdreamz

Diff for: src/Nest/Extensions/Extensions.cs

@@ -96,10 +96,12 @@ internal static void ThrowIfNull<T>(this T value, string name)
 			if (value == null)
 				throw new ArgumentNullException(name);
 		}
+		
 		internal static string F(this string format, params object[] args)
 		{
+			var c = CultureInfo.InvariantCulture;
 			format.ThrowIfNull("format");
-			return string.Format(format, args);
+			return string.Format(c, format, args);
 		}
 		internal static string EscapedFormat(this string format, params object[] args)
 		{

Diff for: src/Nest/Resolvers/Converters/Filters/GeoBoundingFilterConverter.cs

@@ -1,6 +1,7 @@
 using System;
 using System.CodeDom;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Linq;
 using System.Text;
 using Newtonsoft.Json;
@@ -102,6 +103,7 @@ public override object ReadJson(JsonReader reader, Type objectType, object exist
 
 		private void ReadBox(IGeoBoundingBoxFilter filter, JsonReader reader)
 		{
+			var c = CultureInfo.InvariantCulture;
 			reader.Read();
 			if (reader.TokenType != JsonToken.StartObject)
 				return;
@@ -120,11 +122,11 @@ private void ReadBox(IGeoBoundingBoxFilter filter, JsonReader reader)
 				else if (reader.TokenType == JsonToken.StartArray)
 				{
 					var values = JArray.Load(reader).Values<double>();
-					filter.TopLeft = string.Join(", ", values);
+					filter.TopLeft = string.Join(", ", values.Select(v=>v.ToString(c)));
 					reader.Read();
 					reader.Read();
 					values = JArray.Load(reader).Values<double>();
-					filter.BottomRight =string.Join(", ", values); 
+					filter.BottomRight =string.Join(", ", values.Select(v=>v.ToString(c))); 
 				}
 				else if (reader.TokenType == JsonToken.StartObject)
 				{