Add basic implementation of physical units

Serde still isn't working, need to store the exact format of the unit as specified in the attribute

ExtraTsv/ExtraTsv.cs

@@ -1,125 +0,0 @@
-
-using System.Globalization;
-using System.Text.RegularExpressions;
-
-namespace NathanMcRae;
-
-public class ExtraTsv : SaneTsv
-{
-  public class Iso8601Type : ColumnType { }
-  public class PhysicalUnitsType : ColumnType 
-  {
-    public string Units { get; }
-    public PhysicalUnitsType(string Units) { }
-  }
-
-  public static readonly string[] ValidUnits =
-  {
-    "m",
-    "s",
-    "A",
-    "K",
-    "cd",
-    "mol",
-    "kg",
-    "Hz",
-    "rad",
-    "sr",
-    "N",
-    "Pa",
-    "J",
-    "W",
-    "C",
-    "V",
-    "F",
-    "Ω",
-    "S",
-    "Wb",
-    "T",
-    "H",
-    "°C",
-    "lm",
-    "lx",
-    "Bq",
-    "Gy",
-    "Sv",
-    "kat"
-  };
-
-  public static readonly int MajorVersion = 0;
-  public static readonly int MinorVersion = 0;
-  public static readonly int PatchVersion = 1;
-
-  public static Regex VersionRegex = new Regex(@"^ ExtraTSV V(\d+)\.(\d+)\.(\d+)");
-
-  public static ExtraTsv ParseExtraTsv(byte[] inputBuffer)
-  {
-    SaneTsv tsv = ParseCommentedTsv(inputBuffer);
-
-    if (tsv.FileComment == null) {
-      throw new Exception($"ExtraTSV expects the file to start with '# ExtraTSV Vx.y.z' where x.y.z is a version compatible with {MajorVersion}.{MinorVersion}.{PatchVersion}");
-    }
-
-    Match match = VersionRegex.Match(tsv.FileComment);
-    if (!match.Success)
-    {
-      throw new Exception($"ExtraTSV expects the file to start with '# ExtraTSV Vx.y.z' where x.y.z is a version compatible with {MajorVersion}.{MinorVersion}.{PatchVersion}");
-    }
-
-    int fileMajorVersion = int.Parse(match.Groups[1].Value);
-
-    if (fileMajorVersion != MajorVersion)
-    {
-      throw new Exception($"File has major version ({fileMajorVersion}) which is newer than this parser's version {MajorVersion}");
-    }
-
-    for (int i = 0; i < tsv.ColumnNames.Count(); i++)
-    {
-      string[] typeParts = tsv.ColumnNames[i].Split(":");
-      if (typeParts[typeParts.Length - 1] == "iso8601" && tsv.ColumnTypes[i] == typeof(StringType))
-      {
-        string columnName = tsv.ColumnNames[i].Substring(0, tsv.ColumnNames[i].Length - ":iso8601".Length);
-        tsv.ColumnNames[i] = columnName;
-        tsv.ColumnTypes[i] = typeof(Iso8601Type);
-      }
-      // TODO: ISO8601 time spans
-      // TODO: ISO8601 time durations
-      else if (typeParts[typeParts.Length - 1] == "units" && (tsv.ColumnTypes[i] == typeof(Float64Type) || tsv.ColumnTypes[i] == typeof(Float32Type)))
-      {
-        if (typeParts.Count() > 1 && ValidUnits.Contains(typeParts[typeParts.Length - 2]))
-        {
-          // TODO: How to store type information since the ColumnTypes is of type Type?
-        }
-        else
-        {
-          throw new Exception($"Invalid units type '{typeParts[typeParts.Length - 2]}' for column {i}");
-        }
-      }
-    }
-
-    CultureInfo provider = CultureInfo.InvariantCulture;
-
-    for (int i = 0; i < tsv.Records.Count; i++)
-    {
-      if (tsv.Records[i].Comment != null)
-      {
-        throw new Exception($"Line {tsv.Records[i].Line} has comment above it which is not allowed");
-      }
-
-      for (int j = 0; j < tsv.ColumnNames.Count(); j++)
-      {
-        if (tsv.ColumnTypes[j] == typeof(Iso8601Type))
-        {
-          if (!DateTime.TryParseExact((string)tsv.Records[i][j], "yyyy-MM-ddTHH:mm:ss.ffff", provider, DateTimeStyles.None, out DateTime parsed))
-          {
-            throw new Exception($"ISO 8601 timestamp format error on line {tsv.Records[i].Line}, field {j}");
-          }
-
-          tsv.Records[i].Fields[j] = parsed;
-        }
-      }
-    }
-
-    return (ExtraTsv)tsv;
-  }
-}

ExtraTsv/ExtraTsv.csproj

@@ -1,14 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-  <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
-    <ImplicitUsings>enable</ImplicitUsings>
-    <Nullable>enable</Nullable>
-    <RootNamespace>NathanMcRae</RootNamespace>
-  </PropertyGroup>
-
-  <ItemGroup>
-    <ProjectReference Include="..\SaneTsv.csproj" />
-  </ItemGroup>
-
-</Project>

ExtraTsv/readme.md

@@ -1,44 +0,0 @@
-Extra TSV adds many convenience types to Sane TSV:
-
-- Timestamps
-  Just this format for now: yyyy-MM-ddTHH:mm:ss.ffff
-- Timespans
-- Time durations
-- Multiformats
-  - Multihashes
-  - Multiprotocols
-  - ...
-- Physical units
-  To start with, just use SI base and derived units
-  - Base units
-    - m
-    - s
-    - A
-    - K
-    - cd
-    - mol
-    - kg
-  - Derived units
-    - Hz
-    - rad
-    - sr
-    - N
-    - Pa
-    - J
-    - W
-    - C
-    - V
-    - F
-    - Ω
-    - S
-    - Wb
-    - T
-    - H
-    - °C
-    - lm
-    - lx
-    - Bq
-    - Gy
-    - Sv
-    - kat
-  How to handle derived units?

ExtraTsvTest/ExtraTsvTest.csproj

@@ -1,14 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-  <PropertyGroup>
-    <OutputType>Exe</OutputType>
-    <TargetFramework>net6.0</TargetFramework>
-    <ImplicitUsings>enable</ImplicitUsings>
-    <Nullable>enable</Nullable>
-  </PropertyGroup>
-
-  <ItemGroup>
-    <ProjectReference Include="..\ExtraTsv\ExtraTsv.csproj" />
-  </ItemGroup>
-
-</Project>

ExtraTsvTest/Program.cs

@@ -1,20 +0,0 @@
-using NathanMcRae;
-using System.Text;
-
-{
-  string testName = "Bool test";
-  string testString1 = "# ExtraTSV V0.0.1\n" +
-    "column1:ty\\#pe:boolean\tcolumn2:binary\tcolumnthree\\nyep:iso8601:string" +
-    "\nTRUE\tvalue\\\\t\0woo\t2024-02-15T18:03:30.0000" +
-    "\nFALSE\tnother\t2024-02-15T18:03:39.0001";
-
-  ExtraTsv parsed = ExtraTsv.ParseExtraTsv(Encoding.UTF8.GetBytes(testString1));
-  if (parsed.Records[0]["column1:ty#pe"] is bool result && result)
-  {
-    Console.WriteLine($"Passed {testName}");
-  }
-  else
-  {
-    Console.WriteLine($"Failed {testName}");
-  }
-}

SaneTsv.cs

@@ -2,6 +2,8 @@
 using System.Reflection;
 using System.Text;
 using System.Text.RegularExpressions;
+using UnitsNet;
+using UnitsNet.Units;
 
 namespace NathanMcRae;
 
@@ -37,8 +39,14 @@ public class SaneTsv
   public class Iso8601Type : ColumnType { }
   public class PhysicalUnitsType : ColumnType
   {
-    public string Units { get; }
-    public PhysicalUnitsType(string Units) { }
+    public UnitsNet.UnitInfo Units { get; }
+    public ColumnType BaseType { get; internal set; }
+
+    public PhysicalUnitsType(UnitsNet.UnitInfo units, ColumnType baseType) 
+    {
+      Units = units;
+      BaseType = baseType;
+    }
   }
 
   public static readonly string[] ValidUnits =
@@ -271,7 +279,7 @@ public class SaneTsv
               type = new StringType();
               break;
             case "string":
-              if (columnTypeStrings[columnTypeStrings.Length - 2] == "iso8601")
+              if (columnTypeStrings.Length > 2 && columnTypeStrings[columnTypeStrings.Length - 2] == "iso8601")
               {
                 type = new Iso8601Type();
                 columnName = string.Join(":", columnTypeStrings.Take(columnTypeStrings.Length - 2));
@@ -293,10 +301,44 @@ public class SaneTsv
               type = new Float32LEType();
               break;
             case "float64":
-              type = new Float64Type();
+              if (columnTypeStrings.Length > 3 && columnTypeStrings[columnTypeStrings.Length - 2] == UnitsTypeText)
+              {
+                string unitName = columnTypeStrings[columnTypeStrings.Length - 3];
+                if (UnitsNet.Quantity.TryFromUnitAbbreviation(1, unitName, out UnitsNet.IQuantity quantity))
+                {
+                  type = new PhysicalUnitsType(UnitsNet.Quantity.GetUnitInfo(quantity.Unit), new Float64Type());
+                }
+                else
+                {
+                  throw new Exception($"Invalid units: {unitName}");
+                }
+
+                columnName = string.Join(":", columnTypeStrings.Take(columnTypeStrings.Length - 3));
+              }
+              else
+              {
+                type = new Float64Type();
+              }
               break;
             case "float64-le":
-              type = new Float64LEType();
+              if (columnTypeStrings.Length > 3 && columnTypeStrings[columnTypeStrings.Length - 2] == UnitsTypeText)
+              {
+                string unitName = columnTypeStrings[columnTypeStrings.Length - 3];
+                if (UnitsNet.Quantity.TryFromUnitAbbreviation(1, unitName, out UnitsNet.IQuantity quantity))
+                {
+                  type = new PhysicalUnitsType(UnitsNet.Quantity.GetUnitInfo(quantity.Unit), new Float64LEType());
+                }
+                else
+                {
+                  throw new Exception($"Invalid units: {unitName}");
+                }
+
+                columnName = string.Join(":", columnTypeStrings.Take(columnTypeStrings.Length - 3));
+              }
+              else
+              {
+                type = new Float64LEType();
+              }
               break;
             case "uint32":
               type = new UInt32Type();
@@ -317,8 +359,6 @@ public class SaneTsv
               throw new Exception($"Invalid type '{columnTypeStrings.Last()}' for column {j}");
           }
 
-          // TODO: physical unit types
-
           // TODO: Allow lax parsing (only worry about parsing columns that are given in the specifying type
 
           if (columnNames[j] != columnName)
@@ -644,7 +684,7 @@ public class SaneTsv
 
         continue;
       }
-      else if (columnTypes[j].GetType() == typeof(Float64LEType))
+      else if (columnTypes[j].GetType() == typeof(Float64LEType) || (columnTypes[j] is PhysicalUnitsType f64PhUnit && f64PhUnit.BaseType is Float64LEType))
       {
         byte[] floatBytes;
         if (!LittleEndian)
@@ -659,7 +699,15 @@ public class SaneTsv
         {
           floatBytes = fields[j];
         }
-        properties[j].SetValue(record, BitConverter.ToDouble(floatBytes, 0));
+        double value = BitConverter.ToDouble(floatBytes, 0);
+        if (columnTypes[j] is PhysicalUnitsType unit)
+        {
+          properties[j].SetValue(record, UnitsNet.Quantity.From(value, unit.Units.Value));
+        }
+        else
+        {
+          properties[j].SetValue(record, value);
+        }
 
         continue;
       }
@@ -719,7 +767,7 @@ public class SaneTsv
 
         properties[j].SetValue(record, parsedFloat);
       }
-      else if (columnTypes[j].GetType() == typeof(Float64Type))
+      else if (columnTypes[j].GetType() == typeof(Float64Type) || (columnTypes[j] is PhysicalUnitsType f64PhUnit && f64PhUnit.BaseType is Float64Type))
       {
         double parsedDouble;
         if (!double.TryParse(fieldString, out parsedDouble))
@@ -738,7 +786,14 @@ public class SaneTsv
           }
         }
 
-        properties[j].SetValue(record, parsedDouble);
+        if (columnTypes[j] is PhysicalUnitsType unit)
+        {
+          properties[j].SetValue(record, UnitsNet.Quantity.From(parsedDouble, unit.Units.Value));
+        }
+        else
+        {
+          properties[j].SetValue(record, parsedDouble);
+        }
       }
       else if (columnTypes[j].GetType() == typeof(UInt32Type))
       {
@@ -1159,6 +1214,9 @@ public class SaneTsv
     return records.ToArray();
   }
 
+  public static string UnitsTypeText = "ph-unit";
+  public static Regex UnitsRegex = new Regex("([^:]+):" + UnitsTypeText + ":(float32|float32-le|float64|float64-le|uint32|uint64|int32|int64)");
+
   public static ColumnType GetColumnFromString(string type)
   {
     if (type == "string")
@@ -1205,6 +1263,26 @@ public class SaneTsv
     {
       return new BinaryType();
     }
+    else if (type == "iso8601")
+    {
+      return new Iso8601Type();
+    }
+    else if (UnitsRegex.IsMatch(type))
+    {
+      Match match = UnitsRegex.Match(type);
+      string unitName = match.Groups[1].Value;
+      string baseType = match.Groups[2].Value;
+
+      return new PhysicalUnitsType(ParseUnit(unitName), GetColumnFromString(baseType));
+      //if (UnitsNet.Quantity.TryFromUnitAbbreviation(1, unitName, out UnitsNet.IQuantity quantity))
+      //{
+      //  return new PhysicalUnitsType(UnitsNet.Quantity.GetUnitInfo(quantity.Unit), GetColumnFromString(baseType));
+      //}
+      //else
+      //{
+      //  throw new Exception($"Invalid units: {unitName}");
+      //}
+    }
     else
     {
       throw new Exception($"Invalid type: {type.GetType()}");
@@ -1253,6 +1331,13 @@ public class SaneTsv
     {
       return new Iso8601Type();
     }
+    else if (type == typeof(UnitsNet.Mass))
+    {
+      // TODO
+      //UnitsNet.UnitInfo a = new UnitsNet.UnitInfo([d])
+      var a = new UnitsNet.UnitInfo<UnitsNet.Units.MassUnit>(UnitsNet.Units.MassUnit.Kilogram, "kgs", new UnitsNet.BaseUnits(mass: UnitsNet.Units.MassUnit.Kilogram));
+      return new PhysicalUnitsType(a, new Float64Type());
+    }
     else
     {
       throw new Exception($"Invalid type: {type.GetType()}");
@@ -1309,6 +1394,10 @@ public class SaneTsv
     {
       return "iso8601:string";
     }
+    else if (type is PhysicalUnitsType unit)
+    {
+      return $"{unit.Units.Name}:{UnitsTypeText}:{GetNameFromColumn(unit.BaseType)}"; 
+    }
     else
     {
       throw new Exception($"Invalid type: {type.GetType()}");
@@ -1510,39 +1599,63 @@ public class SaneTsv
               }
             }
           }
-          else if (columnTypes[j].GetType() == typeof(Float64Type))
+          else if (columnTypes[j].GetType() == typeof(Float64Type) || (columnTypes[j] is PhysicalUnitsType f64PhUnit && f64PhUnit.BaseType is Float64Type))
           {
+            double value;
             if (datum is double d)
             {
-              if (double.IsNegativeInfinity(d))
-              {
-                bytes.AddRange(Encoding.UTF8.GetBytes("-inf"));
-              }
-              else if (double.IsPositiveInfinity(d))
-              {
-                bytes.AddRange(Encoding.UTF8.GetBytes("+inf"));
-              }
-              else
-              {
-                // See https://learn.microsoft.com/en-us/dotnet/standard/base-types/standard-numeric-format-strings#round-trip-format-specifier-r
-                bytes.AddRange(Encoding.UTF8.GetBytes((d).ToString("G17")));
-              }
+              value = d;
+            }
+            // TODO: check units match
+            else if (datum is UnitsNet.IQuantity quantity)
+            {
+              value = quantity.Value;
             }
             else
             {
               throw new InvalidCastException();
             }
-            skipEscaping = true;
-          }
-          else if (columnTypes[j].GetType() == typeof(Float64LEType))
-          {
-            if (LittleEndian)
+
+            if (double.IsNegativeInfinity(value))
             {
-              fieldEncoded = BitConverter.GetBytes((double)datum);
+              bytes.AddRange(Encoding.UTF8.GetBytes("-inf"));
+            }
+            else if (double.IsPositiveInfinity(value))
+            {
+              bytes.AddRange(Encoding.UTF8.GetBytes("+inf"));
             }
             else
             {
-              byte[] doubleBytes = BitConverter.GetBytes((double)datum);
+              // See https://learn.microsoft.com/en-us/dotnet/standard/base-types/standard-numeric-format-strings#round-trip-format-specifier-r
+              bytes.AddRange(Encoding.UTF8.GetBytes((value).ToString("G17")));
+            }
+
+            skipEscaping = true;
+          }
+          else if (columnTypes[j].GetType() == typeof(Float64LEType) || (columnTypes[j] is PhysicalUnitsType f64LEPhUnit && f64LEPhUnit.BaseType is Float64LEType))
+          {
+            double value;
+            if (datum is double d)
+            {
+              value = d;
+            }
+            // TODO: check units match
+            else if (datum is UnitsNet.IQuantity quantity)
+            {
+              value = quantity.Value;
+            }
+            else
+            {
+              throw new InvalidCastException();
+            }
+
+            if (LittleEndian)
+            {
+              fieldEncoded = BitConverter.GetBytes((double)value);
+            }
+            else
+            {
+              byte[] doubleBytes = BitConverter.GetBytes((double)value);
               fieldEncoded = new byte[sizeof(double)];
               for (int k = 0; k < sizeof(double); k++)
               {
@@ -1578,6 +1691,10 @@ public class SaneTsv
           {
             fieldEncoded = Encoding.UTF8.GetBytes(((DateTime)datum).ToString("yyyy-MM-ddTHH:mm:ss.ffff"));
           }
+          else if (columnTypes[j] is PhysicalUnitsType phUnits)
+          {
+            throw new NotImplementedException($"Physical units types don't support {GetNameFromColumn(phUnits.BaseType)} as a base type");
+          }
           else
           {
             throw new Exception($"Unexpected column type {columnTypes[j]} for column {j}");
@@ -1716,4 +1833,23 @@ public class SaneTsv
       ColumnType = columnType;
     }
   }
+
+  public static UnitInfo ParseUnit(string unitName)
+  {
+      // Find all unit enum types in the UnitsNet namespace
+      var unitEnumTypes = Assembly.GetAssembly(typeof(LengthUnit))
+          .GetTypes()
+          .Where(t => t.IsEnum && t.Namespace == typeof(LengthUnit).Namespace);
+
+      foreach (var unitEnumType in unitEnumTypes)
+      {
+          if (UnitParser.Default.TryParse(unitName, unitEnumType, out Enum unitEnum))
+          {
+              // Successfully parsed the abbreviation, retrieve UnitInfo
+              return Quantity.GetUnitInfo(unitEnum);
+          }
+      }
+
+      throw new ArgumentException($"Unable to parse unit abbreviation: {unitName}");
+  }
 }

SaneTsv.csproj

@@ -21,4 +21,8 @@
     <None Remove="SaneTsvTest\**" />
   </ItemGroup>
 
+  <ItemGroup>
+    <PackageReference Include="UnitsNet" Version="6.0.0-pre004" />
+  </ItemGroup>
+
 </Project>

SaneTsv.sln

@@ -7,10 +7,6 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SaneTsv", "SaneTsv.csproj",
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SaneTsvTest", "SaneTsvTest\SaneTsvTest.csproj", "{43B1B09C-19BD-4B45-B41B-7C00DB3F7E9C}"
 EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ExtraTsv", "ExtraTsv\ExtraTsv.csproj", "{D9F2E9C8-4F52-4BB7-9BBD-AE9A0C6168E7}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ExtraTsvTest", "ExtraTsvTest\ExtraTsvTest.csproj", "{A545B0DB-F799-43E2-9DFA-C18BDF3535F1}"
-EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -25,14 +21,6 @@ Global
 		{43B1B09C-19BD-4B45-B41B-7C00DB3F7E9C}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{43B1B09C-19BD-4B45-B41B-7C00DB3F7E9C}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{43B1B09C-19BD-4B45-B41B-7C00DB3F7E9C}.Release|Any CPU.Build.0 = Release|Any CPU
-		{D9F2E9C8-4F52-4BB7-9BBD-AE9A0C6168E7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{D9F2E9C8-4F52-4BB7-9BBD-AE9A0C6168E7}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{D9F2E9C8-4F52-4BB7-9BBD-AE9A0C6168E7}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{D9F2E9C8-4F52-4BB7-9BBD-AE9A0C6168E7}.Release|Any CPU.Build.0 = Release|Any CPU
-		{A545B0DB-F799-43E2-9DFA-C18BDF3535F1}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{A545B0DB-F799-43E2-9DFA-C18BDF3535F1}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{A545B0DB-F799-43E2-9DFA-C18BDF3535F1}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{A545B0DB-F799-43E2-9DFA-C18BDF3535F1}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

SaneTsvTest/Program.cs

@@ -15,6 +15,15 @@ internal class Program : SaneTsv
     public DateTime Column3 { get; set; }
   }
 
+  public class UnitTest : SaneTsv.CommentedTsvRecord
+  {
+    [SaneTsv.TypedTsvColumn("id")]
+    public UInt32 Id { get; set; }
+
+    [SaneTsv.TypedTsvColumn("value", "m/s:ph-unit:float64")]
+    public UnitsNet.Speed Value { get; set; }
+  }
+
   private static void Main(string[] args)
   {
     {
@@ -35,6 +44,24 @@ internal class Program : SaneTsv
       }
     }
 
+    {
+      string testName = "Bad date column name";
+      string testString1 = "# ExtraTSV V0.0.1\n" +
+        "column1:ty\\#pe:boolean\tcolumn2:binary\tiso8601:string" +
+        "\nTRUE\tvalue\\\\t\0woo\t2024-02-15T18:03:30.0000" +
+        "\nFALSE\tnother\t2024-02-15T18:03:39.0001";
+
+      try
+      {
+        CommentedTsv<DateTest> parsed = SaneTsv.ParseExtraTsv<DateTest>(Encoding.UTF8.GetBytes(testString1));
+        Console.WriteLine($"Failed {testName}");
+      }
+      catch (Exception e)
+      {
+        Console.WriteLine($"Passed {testName}");
+      }
+    }
+
     {
       string testName = "Serde date";
       string testString1 = "# ExtraTSV V0.0.1\n" +
@@ -54,6 +81,43 @@ internal class Program : SaneTsv
       }
     }
 
+    {
+      string testName = "Parse unit";
+      string testString1 = "# ExtraTSV V0.0.1\n" +
+        "id:uint32\tvalue:m/s:ph-unit:float64\n" +
+        "0\t1.5\n" +
+        "1\t5.4e3";
+
+      CommentedTsv<UnitTest> parsed = SaneTsv.ParseExtraTsv<UnitTest>(Encoding.UTF8.GetBytes(testString1));
+      if (parsed.Records[0].Value.Value == 1.5)
+      {
+        Console.WriteLine($"Passed {testName}");
+      }
+      else
+      {
+        Console.WriteLine($"Failed {testName}");
+      }
+    }
+
+    {
+      string testName = "Serde unit";
+      string testString1 = "# ExtraTSV V0.0.1\n" +
+        "id:uint32\tvalue:m/s:ph-unit:float64\n" +
+        "0\t1.5\n" +
+        "1\t5.4e3";
+
+      CommentedTsv<UnitTest> parsed = SaneTsv.ParseExtraTsv<UnitTest>(Encoding.UTF8.GetBytes(testString1));
+      string serialized = Encoding.UTF8.GetString(SaneTsv.SerializeExtraTsv<UnitTest>(parsed.Records));
+      if (testString1 == serialized)
+      {
+        Console.WriteLine($"Passed {testName}");
+      }
+      else
+      {
+        Console.WriteLine($"Failed {testName}");
+      }
+    }
+
     Console.WriteLine("Done with tests");
   }
 }