public void ParseFail(string text)
{
var pu1 = PrivateUseSubtags.TryParse(text);
Assert.That(pu1.HasValue, Is.False);
Assert.That(PrivateUseSubtags.TryParse(text, out _), Is.False);
Assert.Throws <FormatException>(() => PrivateUseSubtags.Parse(text));
}
public void Equals()
{
var tag1 = new PrivateUseSubtags();
var tag2 = (object)tag1;
var tag3 = PrivateUseSubtags.Parse("x-aaa");
var tag4 = (object)PrivateUseSubtags.Parse("x-aaa");
var tag5 = PrivateUseSubtags.Parse("x-aaa-bbb");
Assert.IsFalse(tag1.Equals(null));
Assert.IsTrue(tag1.Equals(tag2));
Assert.AreEqual(tag1, tag1);
Assert.AreNotEqual(tag1, tag3);
Assert.AreEqual(tag3, tag3);
Assert.AreEqual(tag3, tag4);
Assert.AreNotEqual(tag4, tag5);
}
public void Contains(string?subtagText, string tag, bool expected)
{
var pu = subtagText is null ? new PrivateUseSubtags() : PrivateUseSubtags.Parse(subtagText);
Assert.That(pu.Contains(tag), Is.EqualTo(expected));
}