Adds support for deserializing decimal numbers in exponential notation; Closes #633

Author: Michael Hallett

RestSharp.Tests/JsonTests.cs

@@ -31,6 +31,18 @@ public class JsonTests
 
         private const string GuidString = "AC1FC4BC-087A-4242-B8EE-C53EBE9887A5";
 
+        [Fact]
+        public void Can_Deserialize_Exponential_Notation()
+        {
+            const string content = "{ \"Value\": 4.8e-04 }";
+            var json = new JsonDeserializer();
+            var output = json.Deserialize<DecimalNumber>(new RestResponse { Content = content });
+            var expected = Decimal.Parse("4.8e-04", NumberStyles.Float);
+
+            Assert.NotNull(output);
+            Assert.Equal(expected, output.Value);
+        }
+
         [Fact]
         public void Can_Deserialize_Into_Struct()
         {

RestSharp/Deserializers/JsonDeserializer.cs

@@ -259,6 +259,9 @@ private object ConvertValue(Type type, object value)
                 if (value is double)
                     return (decimal)((double)value);
 
+                if (stringValue.Contains("e"))
+                    return Decimal.Parse(stringValue, NumberStyles.Float, Culture);
+
                 return Decimal.Parse(stringValue, Culture);
             }
             else if (type == typeof(Guid))