public void TestAllChords()
{
// This test runs over every possible note/pattern/inversion combination over
// pitches in a range extending beyond the MIDI range, and performs several
// consistency checks on every one of those chords.
// For every pitch in the range...
for (Pitch pitch = (Pitch)(-50); pitch < (Pitch)200; ++pitch)
{
// Find the one or two common notes for this pitch.
List <Note> notes = new List <Note>();
notes.Add(pitch.NotePreferringSharps());
if (pitch.NotePreferringFlats() != pitch.NotePreferringSharps())
{
notes.Add(pitch.NotePreferringFlats());
}
// For the one or two notes for this pitch...
foreach (Note note in notes)
{
// For every chord pattern...
foreach (ChordPattern pattern in Chord.Patterns)
{
// For every legal inversion of the pattern...
for (int inversion = 0; inversion < pattern.Ascent.Length; ++inversion)
{
// Construct the chord.
Chord c = new Chord(note, pattern, inversion);
// Make sure the chord's name, when parsed, is equivalent to the chord.
Assert.AreEqual(c, new Chord(c.Name));
// Generated a set of pitches based on the chord, starting at or above
// the original pitch.
Pitch p = pitch;
List <Pitch> pitches = new List <Pitch>();
foreach (Note n in c.NoteSequence)
{
p = n.PitchAtOrAbove(p);
pitches.Add(p);
}
Assert.True(Chord.FindMatchingChords(pitches).Contains(c));
}
}
}
}
}
private void PrintStatus()
{
Console.Clear();
Console.WriteLine("Play notes and chords on the MIDI input device, and watch");
Console.WriteLine("their names printed here. Press any QUERTY key to quit.");
Console.WriteLine();
// Print the currently pressed notes.
var pitches = new List <Pitch>(_pitchesPressed.Keys);
pitches.Sort();
Console.Write("Notes: ");
for (var i = 0; i < pitches.Count; ++i)
{
var pitch = pitches[i];
if (i > 0)
{
Console.Write(", ");
}
Console.Write("{0}", pitch.NotePreferringSharps());
if (pitch.NotePreferringSharps() != pitch.NotePreferringFlats())
{
Console.Write(" or {0}", pitch.NotePreferringFlats());
}
}
Console.WriteLine();
// Print the currently held down chord.
var chords = Chord.FindMatchingChords(pitches);
Console.Write("Chords: ");
for (var i = 0; i < chords.Count; ++i)
{
var chord = chords[i];
if (i > 0)
{
Console.Write(", ");
}
Console.Write("{0}", chord);
}
Console.WriteLine();
}
