public void GetInversions_OneNote()
{
var chord = new Chord(NoteName.C, new NoteName[0]);
var inversions = chord.GetInversions();
CollectionAssert.IsEmpty(inversions, "There are inversions for one-note chord.");
}
public void GetInversions()
{
var chord = new Chord(NoteName.C, NoteName.E, NoteName.G);
var inversions = chord.GetInversions().ToArray();
Assert.AreEqual(2, inversions.Length, "Invalid count of inversions.");
CollectionAssert.AreEqual(
new[] { NoteName.E, NoteName.G, NoteName.C },
inversions[0].NotesNames,
"First inversion is invalid.");
CollectionAssert.AreEqual(
new[] { NoteName.G, NoteName.C, NoteName.E },
inversions[1].NotesNames,
"Second inversion is invalid.");
}
public void GetInversions()
{
var chord = new Chord(NoteName.C, NoteName.E, NoteName.G);
var inversions = chord.GetInversions().Select(c => c.NotesNames).ToArray();
Assert.AreEqual(4, inversions.Length, "Invalid count of inversions.");
AssertCollectionContainsCollection(
inversions,
new[] { NoteName.E, NoteName.G, NoteName.C },
"First inversion (E G C) is invalid.");
AssertCollectionContainsCollection(
inversions,
new[] { NoteName.E, NoteName.C, NoteName.G },
"First inversion (E C G) is invalid.");
AssertCollectionContainsCollection(
inversions,
new[] { NoteName.G, NoteName.C, NoteName.E },
"Second inversion (G C E) is invalid.");
AssertCollectionContainsCollection(
inversions,
new[] { NoteName.G, NoteName.E, NoteName.C },
"Second inversion (G E C) is invalid.");
}