public void TryParse(string text, char singleton, string[] subtags)
{
var pu1 = ExtensionSubtag.TryParse(text);
Assert.IsTrue(pu1.HasValue);
Assert.That(pu1 !.Value.Singleton, Is.EqualTo(singleton));
Assert.That(pu1, Is.EquivalentTo(subtags));
Assert.That(ExtensionSubtag.TryParse(text, out var pu2), Is.True);
Assert.That(pu2.Singleton, Is.EqualTo(singleton));
Assert.That(pu2, Is.EquivalentTo(subtags));
Assert.That(pu1, Is.EqualTo(pu2));
foreach (var language in TestContent.GetLanguages())
{
var languageTag = LanguageTag.TryParse($"{language}-{text}");
Assert.IsNotNull(languageTag);
if (singleton == 'x')
{
Assert.AreEqual(
languageTag !.Value.PrivateUse,
new ExtensionSubtag(singleton, subtags));
}
else
{
CollectionAssert.AreEqual(
languageTag !.Value.Extensions,
new[] { new ExtensionSubtag(singleton, subtags) });
}
}
}
public void ParseFail(string text)
{
var pu1 = ExtensionSubtag.TryParse(text);
Assert.That(pu1.HasValue, Is.False);
Assert.That(ExtensionSubtag.TryParse(text, out _), Is.False);
Assert.Throws <FormatException>(() => ExtensionSubtag.Parse(text));
}
