Change decimal to parse float style numbers by default

Author: mythz

src/ServiceStack.Text/Common/DeserializeBuiltin.cs

@@ -66,7 +66,7 @@ private static ParseStringDelegate GetParseFn()
                     case TypeCode.Double:
                         return value => double.Parse(value, CultureInfo.InvariantCulture);
                     case TypeCode.Decimal:
-                        return value => decimal.Parse(value, CultureInfo.InvariantCulture);
+                        return value => decimal.Parse(value, NumberStyles.Float, CultureInfo.InvariantCulture);
                     case TypeCode.DateTime:
                         return value => DateTimeSerializer.ParseShortestXsdDateTime(value);
                     case TypeCode.Char:

tests/ServiceStack.Text.Tests/JsonTests/JsonDecimalTests.cs

@@ -0,0 +1,22 @@
+using NUnit.Framework;
+
+namespace ServiceStack.Text.Tests.JsonTests
+{
+    public class JsonDecimalTests
+    {
+        public class MyOrderBook
+        {
+            public decimal[][] Bids { get; set; }
+        }
+
+        [Test]
+        public void Does_parse_float_exp_notation_into_decimal()
+        {
+            var json = @"{""bids"": [[""0.01985141"", 7.67e-6],[""0.01985141"", 7.67e-6]] }";
+            var response = json.FromJson<MyOrderBook>();
+            Assert.That(response.Bids, Is.Not.Null);
+            Assert.That(response.Bids[0][1], Is.EqualTo(0.00000767m));
+            Assert.That(response.Bids[1][0], Is.EqualTo(0.01985141m));
+        }
+    }
+}

tests/ServiceStack.Text.Tests/ServiceStack.Text.Tests.csproj

@@ -195,6 +195,7 @@
     <Compile Include="Issues\JsConfigIssues.cs" />
     <Compile Include="JsonTests\InheritAbstractTests.cs" />
     <Compile Include="JsonTests\InheritanceTests.cs" />
+    <Compile Include="JsonTests\JsonDecimalTests.cs" />
     <Compile Include="JsonTests\JsonEnumTests.cs" />
     <Compile Include="JsonTests\InvalidJsonTests.cs" />
     <Compile Include="JsonTests\OnDeserializationErrorTests.cs" />