private static bool prefixEquals(
Language?lang,
Script?script,
IEnumerable <Variant>?variants,
LanguageTag prefix,
LanguageTag.Field checking)
{
if (checking.HasFlag(LanguageTag.Field.Language) && lang != prefix.Language)
{
return(false);
}
if (checking.HasFlag(LanguageTag.Field.Script) && script != prefix.Script)
{
return(false);
}
if (checking.HasFlag(LanguageTag.Field.Variants) && !variants.IsEquivalentTo(prefix.Variants))
{
return(false);
}
return(true);
}
public void Take(string tagSource, LanguageTag.Field fields, string expected)
{
Assert.That(LanguageTag.Parse(tagSource).Take(fields), Is.EqualTo(LanguageTag.Parse(expected)));
}
public void TakeNone(string tagSource, LanguageTag.Field fields)
{
Assert.That(LanguageTag.Parse(tagSource).Take(fields), Is.EqualTo(new LanguageTag()));
}
internal static bool IsSet(this LanguageTag.Field checking, LanguageTag.Field test)
{
return((checking & test) == test);
}
