public void Reverse(DirH dir, DirH expected, bool exception = false)
{
if (exception)
{
Assert.Throws <ArgumentOutOfRangeException>(() => { dir.Reverse(); });
}
else
{
Assert.That(dir.Reverse(), Is.EqualTo(expected));
Assert.That(expected.Reverse(), Is.EqualTo(dir));
}
}
