public void All_Countries_Are_Specified_In_The_List()
{
var sut = new DefaultCountryProvider();
var regions =
CultureInfo.GetCultures(CultureTypes.AllCultures)
.Where(c => c.LCID != CultureInfo.InvariantCulture.LCID)
.Where(c => !c.IsNeutralCulture)
.Select(c => new RegionInfo(c.LCID))
.Distinct()
.ToList();
regions.Should().HaveCountGreaterThan(20);
Console.WriteLine(string.Join(Environment.NewLine, regions.Select(r => r.TwoLetterISORegionName).OrderBy(x => x)));
foreach (var region in regions)
{
if (region.TwoLetterISORegionName.Length > 2)
{
continue;
}
var callingCode = sut.GetCountryCallingCodeFor(region.TwoLetterISORegionName);
callingCode.Should().NotBeNull($"{region} should have a country calling code");
}
}
public void Registering_An_Instance_Will_Return_That_Instance()
{
var sut = new DefaultCountryProvider();
using (new RegisterCountryCodes(sut))
{
CountryCodes.Instance.Should().Be(sut);
}
}
public void Resolve_The_Country_Calling_Code_With_An_Unknown_Country_Returns_Null()
{
var sut = new DefaultCountryProvider();
sut.GetCountryCallingCodeFor("XX").Should().Be(null);
}
public void Resolve_The_Country_Calling_Code_With_An_Empty_String_Returns_Null()
{
var sut = new DefaultCountryProvider();
sut.GetCountryCallingCodeFor(string.Empty).Should().Be(null);
}
public void Resolve_The_Country_Calling_Code_Is_Not_Case_Sensitive()
{
var sut = new DefaultCountryProvider();
sut.GetCountryCallingCodeFor("de").Should().Be(49);
}
public void Resolve_The_Country_Calling_Code_For_Germany()
{
var sut = new DefaultCountryProvider();
sut.GetCountryCallingCodeFor("DE").Should().Be(49);
}
public void Validate_The_Netherlands_Is_Registered()
{
var sut = new DefaultCountryProvider();
sut.GetCountryCallingCodeFrom("31").Should().Be(31);
}