public void Parse(string input, int expectedOctaveNumber)
{
var parsedOctave = Octave.Parse(input);
var expectedOctave = Octave.Get(expectedOctaveNumber);
Assert.AreEqual(expectedOctave, parsedOctave, "Parsed octave is invalid.");
}
public void Parse_Invalid(string input)
{
Assert.Throws <FormatException>(() => Octave.Parse(input), "Invalid octave parsed.");
}