fix: added supports for unsigned numbers (#150)

Author: bednar

CHANGELOG.md

@@ -2,6 +2,7 @@
 
 ### Bug Fixes
 1. [#143](https://github.com/influxdata/influxdb-client-csharp/pull/143): Added validation that a configuration is present when is client configured via file
+1. [#150](https://github.com/influxdata/influxdb-client-csharp/pull/150): The unsigned numbers are serialized with `u` postfix
 
 ### Dependencies
 1. [#145](https://github.com/influxdata/influxdb-client-csharp/pull/145): Updated RestSharp to 106.11.7

Client.Test/ItWriteApiAsyncTest.cs

@@ -156,5 +156,27 @@ await _writeApi.WriteMeasurementsAsync(_bucket.Name, _organization.Name, WritePr
                 Assert.AreEqual(Instant.FromDateTimeUtc(dtDateTime.AddSeconds(ii)), record.GetTime());
             }
         }
+
+        [Test]
+        public async Task WriteULongValues()
+        {
+            Client.SetLogLevel(LogLevel.Body);
+            var pointData = PointData.Measurement("h2o")
+                .Tag("location", "coyote_creek")
+                .Field("max_ulong", ulong.MaxValue)
+                .Timestamp(9L, WritePrecision.S);
+            
+            await _writeApi.WritePointAsync(pointData);
+            
+            List<FluxTable> query = await Client.GetQueryApi().QueryAsync(
+                "from(bucket:\"" + _bucket.Name +
+                "\") |> range(start: 1970-01-01T00:00:00.000000001Z)",
+                _organization.Id);
+
+            Assert.AreEqual(1, query.Count);
+            Assert.AreEqual(1, query[0].Records.Count);
+            
+            Assert.AreEqual(ulong.MaxValue, query[0].Records[0].GetValue());
+        }
     }
 }

Client.Test/PointDataTest.cs

@@ -147,7 +147,7 @@ public void FieldTypes()
 
             var expected =
                 "h2o,location=europe boolean=false,byte=9i,decimal=25.6,double=250.69,float=35,integer=7i,long=1i," +
-                "point=13.3,sbyte=12i,short=8i,string=\"string value\",uint=11i,ulong=10i,ushort=13i";
+                "point=13.3,sbyte=12i,short=8i,string=\"string value\",uint=11u,ulong=10u,ushort=13u";
 
             Assert.AreEqual(expected, point.ToLineProtocol());
         }
@@ -416,5 +416,7 @@ public void OnlyInfinityValues()
 
             Assert.AreEqual("", point.ToLineProtocol());
         }
+        
+        
     }
 }

Client/Writes/PointData.cs

@@ -94,6 +94,17 @@ public PointData Tag(string name, string value)
                                 _fields);
         }
 
+        /// <summary>
+        /// Add a field with a <see cref="byte"/> value.
+        /// </summary>
+        /// <param name="name">the field name</param>
+        /// <param name="value">the field value</param>
+        /// <returns>this</returns>
+        public PointData Field(string name, byte value)
+        {
+            return PutField(name, value);
+        }
+
         /// <summary>
         /// Add a field with a <see cref="float"/> value.
         /// </summary>
@@ -149,6 +160,17 @@ public PointData Field(string name, ulong value)
             return PutField(name, value);
         }
 
+        /// <summary>
+        /// Add a field with a <see cref="uint"/> value.
+        /// </summary>
+        /// <param name="name">the field name</param>
+        /// <param name="value">the field value</param>
+        /// <returns>this</returns>
+        public PointData Field(string name, uint value)
+        {
+            return PutField(name, value);
+        }
+
         /// <summary>
         /// Add a field with a <see cref="string"/> value.
         /// </summary>
@@ -410,12 +432,16 @@ private bool AppendFields(StringBuilder sb)
 
                 if (value is double || value is float)
                 {
-                    sb.Append(((IConvertible)value).ToString(CultureInfo.InvariantCulture));
+                    sb.Append(((IConvertible) value).ToString(CultureInfo.InvariantCulture));
+                }
+                else if (value is uint || value is ulong || value is ushort)
+                {
+                    sb.Append(((IConvertible) value).ToString(CultureInfo.InvariantCulture));
+                    sb.Append('u');
                 }
-                else if (value is byte || value is int || value is long || value is sbyte || value is short ||
-                         value is uint || value is ulong || value is ushort)
+                else if (value is byte || value is int || value is long || value is sbyte || value is short)
                 {
-                    sb.Append(((IConvertible)value).ToString(CultureInfo.InvariantCulture));
+                    sb.Append(((IConvertible) value).ToString(CultureInfo.InvariantCulture));
                     sb.Append('i');
                 }
                 else if (value is bool b)