Add Dutch Ordinalizer

src/Humanizer.Tests/Humanizer.Tests.csproj

@@ -108,6 +108,7 @@
     <Compile Include="Localisation\pl\NumberToWordsTests.cs" />
     <Compile Include="Localisation\pl\TimeSpanHumanizeTests.cs" />
     <Compile Include="Localisation\pt-BR\NumberToWordsTests.cs" />
+    <Compile Include="Localisation\nl\OrdinalizeTests.cs" />
     <Compile Include="Localisation\pt-BR\OrdinalizeTests.cs" />
     <Compile Include="Localisation\ro-Ro\TimeSpanHumanizerTests.cs" />
     <Compile Include="Localisation\ru-RU\NumberToWordsTests.cs" />

src/Humanizer.Tests/Localisation/nl/OrdinalizeTests.cs

@@ -0,0 +1,32 @@
+using Xunit;
+using Xunit.Extensions;
+
+namespace Humanizer.Tests.Localisation.nl
+{
+    public class OrdinalizeTests : AmbientCulture
+    {
+        public OrdinalizeTests()
+            : base("nl")
+        {
+        }
+
+        [Theory]
+        [InlineData("0", "0")]
+        [InlineData("1", "1e")]
+        [InlineData("2", "2e")]
+        [InlineData("3", "3e")]
+        [InlineData("4", "4e")]
+        [InlineData("5", "5e")]
+        [InlineData("6", "6e")]
+        [InlineData("23", "23e")]
+        [InlineData("100", "100e")]
+        [InlineData("101", "101e")]
+        [InlineData("102", "102e")]
+        [InlineData("103", "103e")]
+        [InlineData("1001", "1001e")]
+        public void OrdinalizeString(string number, string ordinalized)
+        {
+            Assert.Equal(number.Ordinalize(), ordinalized);
+        }        
+     }
+}

src/Humanizer/Configuration/OrdinalizerRegistry.cs

@@ -10,6 +10,7 @@ public OrdinalizerRegistry() : base(new DefaultOrdinalizer())
             Register("en", new EnglishOrdinalizer());
             Register("es", new SpanishOrdinalizer());
             Register("it", new ItalianOrdinalizer());
+            Register("nl", new DutchOrdinalizer());
             Register("pt-BR", new BrazilianPortugueseOrdinalizer());
             Register("ru", new RussianOrdinalizer());
             Register("tr", new TurkishOrdinalizer());

src/Humanizer/Humanizer.csproj

@@ -110,6 +110,7 @@
     <Compile Include="Localisation\Ordinalizers\IOrdinalizer.cs" />
     <Compile Include="Localisation\Ordinalizers\GermanOrdinalizer.cs" />
     <Compile Include="Localisation\Ordinalizers\RussianOrdinalizer.cs" />
+    <Compile Include="Localisation\Ordinalizers\DutchOrdinalizer.cs" />
     <Compile Include="Localisation\Ordinalizers\SpanishOrdinalizer.cs" />
     <Compile Include="Localisation\Ordinalizers\DefaultOrdinalizer.cs" />
     <Compile Include="Localisation\Ordinalizers\EnglishOrdinalizer.cs" />

src/Humanizer/Localisation/Ordinalizers/DutchOrdinalizer.cs

@@ -0,0 +1,19 @@
+namespace Humanizer.Localisation.Ordinalizers
+{
+    internal class DutchOrdinalizer : DefaultOrdinalizer
+    {
+        public override string Convert(int number, string numberString)
+        {
+            return Convert(number, numberString, GrammaticalGender.Masculine);
+        }
+
+        public override string Convert(int number, string numberString, GrammaticalGender gender)
+        {
+            // N/A in Dutch
+            if (number == 0)
+                return "0";
+
+            return numberString + "e";
+        }
+    }
+}