Add Gabon support with tests and country registration

src/World.Net.UnitTests/Countries/GabonTest.cs

@@ -0,0 +1,50 @@
+namespace World.Net.UnitTests.Countries;
+
+public sealed class GabonTest : AssertCountryTestBase
+{
+    private const string GABON_COUNTRY_NAME = "Gabon";
+    private const string GABON_NATIVE_NAME = "Republique gabonaise";
+    private const string GABON_CAPITAL = "Libreville";
+    private const string GABON_OFFICIAL_NAME = "Gabonese Republic";
+    private const string GABON_ISO2_CODE = "GA";
+    private const string GABON_ISO3_CODE = "GAB";
+    private const int GABON_NUMERIC_CODE = 266;
+    private readonly string[] GABON_CALLING_CODE = ["+241"];
+    private const CountryIdentifier EXPECTEDID = CountryIdentifier.Gabon;
+    private static readonly (string Name, string IsoCode, string Type)[] EXPECTED_STATES =
+    [
+        new("Estuaire", "GA-1", "Province"),
+        new("Haut-Ogooue", "GA-2", "Province"),
+        new("Moyen-Ogooue", "GA-3", "Province"),
+        new("Ngounie", "GA-4", "Province"),
+        new("Nyanga", "GA-5", "Province"),
+        new("Ogooue-Ivindo", "GA-6", "Province"),
+        new("Ogooue-Lolo", "GA-7", "Province"),
+        new("Ogooue-Maritime", "GA-8", "Province"),
+        new("Woleu-Ntem", "GA-9", "Province")
+    ];
+
+    [Fact]
+    public void GetCountry_ReturnsCorrectInformation_ForGabon()
+    {
+        // Arrange
+        // Act
+        var country = CountryProvider.GetCountry(EXPECTEDID);
+
+        // Assert
+        AssertCorrectInformation(
+            country,
+            EXPECTEDID,
+            GABON_COUNTRY_NAME,
+            GABON_OFFICIAL_NAME,
+            GABON_NATIVE_NAME,
+            GABON_CAPITAL,
+            GABON_NUMERIC_CODE,
+            GABON_ISO2_CODE,
+            GABON_ISO3_CODE,
+            GABON_CALLING_CODE,
+            EXPECTED_STATES
+        );
+    }
+}
+

src/World.Net/Countries/Gabon.cs

@@ -0,0 +1,45 @@
+namespace World.Net.Countries;
+
+internal sealed class Gabon : ICountry
+{
+    //<inheritdoc/>
+    public CountryIdentifier Id => CountryIdentifier.Gabon;
+
+    //<inheritdoc/>
+    public string Name { get; } = "Gabon";
+
+    //<inheritdoc/>
+    public string OfficialName { get; } = "Gabonese Republic";
+
+    //<inheritdoc/>
+    public string NativeName => "Republique gabonaise";
+
+    //<inheritdoc/>
+    public string Capital { get; } = "Libreville";
+
+    //<inheritdoc/>
+    public int NumericCode { get; } = 266;
+
+    //<inheritdoc/>
+    public string ISO2Code { get; } = "GA";
+
+    //<inheritdoc/>
+    public string ISO3Code { get; } = "GAB";
+
+    //<inheritdoc/>
+    public string[] CallingCode { get; } = ["+241"];
+
+    //<inheritdoc/>
+    public IEnumerable<State> States =>
+    [
+        new("Estuaire", "GA-1"),
+        new("Haut-Ogooue", "GA-2"),
+        new("Moyen-Ogooue", "GA-3"),
+        new("Ngounie", "GA-4"),
+        new("Nyanga", "GA-5"),
+        new("Ogooue-Ivindo", "GA-6"),
+        new("Ogooue-Lolo", "GA-7"),
+        new("Ogooue-Maritime", "GA-8"),
+        new("Woleu-Ntem", "GA-9")
+    ];
+}

src/World.Net/Helpers/CountryInitializer.cs

@@ -84,6 +84,7 @@ public static Dictionary<CountryIdentifier, ICountry> Initialize()
             { CountryIdentifier.France, new France() },
             { CountryIdentifier.FrenchGuiana, new FrenchGuiana() },
             { CountryIdentifier.FrenchPolynesia, new FrenchPolynesia() },
+            { CountryIdentifier.Gabon, new Gabon() },
             { CountryIdentifier.Iraq, new Iraq() },
             { CountryIdentifier.Ireland, new Ireland() },
             { CountryIdentifier.Israel, new Israel() },