public void WriteRawInStart()
        {
            StringBuilder sb = new StringBuilder();
            StringWriter sw = new StringWriter(sb);

            using (JsonWriter jsonWriter = new JsonTextWriter(sw))
            {
                jsonWriter.Formatting = Formatting.Indented;
                jsonWriter.FloatFormatHandling = FloatFormatHandling.Symbol;

                jsonWriter.WriteRaw("[1,2,3,4,5]");
                jsonWriter.WriteWhitespace("  ");
                jsonWriter.WriteStartArray();
                jsonWriter.WriteValue(double.NaN);
                jsonWriter.WriteEndArray();
            }

            string expected = @"[1,2,3,4,5]  [
  NaN
]";
            string result = sb.ToString();

            StringAssert.Equal(expected, result);
        }