private void ProcessChords_DetectionSettings_EventsCollection_WithoutPredicate(
ContainerType containerType,
ChordDetectionSettings settings,
ICollection <MidiEvent> midiEvents,
Action <Chord> action,
ICollection <MidiEvent> expectedMidiEvents)
{
var chordsCount = midiEvents.GetChords(settings).Count;
switch (containerType)
{
case ContainerType.EventsCollection:
{
var eventsCollection = new EventsCollection();
eventsCollection.AddRange(midiEvents);
Assert.AreEqual(
chordsCount,
eventsCollection.ProcessChords(action, settings),
"Invalid count of processed chords.");
var expectedEventsCollection = new EventsCollection();
expectedEventsCollection.AddRange(expectedMidiEvents);
MidiAsserts.AreEqual(expectedEventsCollection, eventsCollection, true, "Events are invalid.");
Assert.IsTrue(
eventsCollection.All(e => midiEvents.Any(ee => object.ReferenceEquals(e, ee))),
"There are new events references.");
}
break;
case ContainerType.TrackChunk:
{
var trackChunk = new TrackChunk(midiEvents);
Assert.AreEqual(
chordsCount,
trackChunk.ProcessChords(action, settings),
"Invalid count of processed chords.");
var expectedTrackChunk = new TrackChunk(expectedMidiEvents);
MidiAsserts.AreEqual(expectedTrackChunk, trackChunk, true, "Events are invalid.");
Assert.IsTrue(
trackChunk.Events.All(e => midiEvents.Any(ee => object.ReferenceEquals(e, ee))),
"There are new events references.");
}
break;
case ContainerType.TrackChunks:
case ContainerType.File:
{
ProcessChords_DetectionSettings_TrackChunks_WithoutPredicate(
containerType == ContainerType.File,
settings,
new[] { midiEvents },
action,
new[] { expectedMidiEvents });
}
break;
}
}
private void RemoveTimedEvents_EventsCollection_WithPredicate(
ContainerType containerType,
ICollection <MidiEvent> midiEvents,
Predicate <TimedEvent> match,
ICollection <MidiEvent> expectedMidiEvents,
int expectedRemovedCount)
{
var eventsCollection = new EventsCollection();
eventsCollection.AddRange(midiEvents);
switch (containerType)
{
case ContainerType.EventsCollection:
{
Assert.AreEqual(
expectedRemovedCount,
eventsCollection.RemoveTimedEvents(match),
"Invalid count of removed timed events.");
var expectedEventsCollection = new EventsCollection();
expectedEventsCollection.AddRange(expectedMidiEvents);
MidiAsserts.AreEqual(expectedEventsCollection, eventsCollection, true, "Events are invalid.");
Assert.IsTrue(
eventsCollection.All(e => midiEvents.Any(ee => object.ReferenceEquals(e, ee))),
"There are new events references.");
}
break;
case ContainerType.TrackChunk:
{
var trackChunk = new TrackChunk(eventsCollection);
Assert.AreEqual(
expectedRemovedCount,
trackChunk.RemoveTimedEvents(match),
"Invalid count of removed timed events.");
var expectedTrackChunk = new TrackChunk(expectedMidiEvents);
MidiAsserts.AreEqual(expectedTrackChunk, trackChunk, true, "Events are invalid.");
Assert.IsTrue(
trackChunk.Events.All(e => midiEvents.Any(ee => object.ReferenceEquals(e, ee))),
"There are new events references.");
}
break;
case ContainerType.TrackChunks:
case ContainerType.File:
{
RemoveTimedEvents_TrackChunks_WithPredicate(
containerType == ContainerType.File,
new[] { midiEvents },
match,
new[] { expectedMidiEvents },
expectedRemovedCount);
}
break;
}
}
public static IEnumerable <TimedEvent> GetTimedEvents(this IEnumerable <MidiEvent> events)
{
ThrowIfArgument.IsNull(nameof(events), events);
var eventsCollection = new EventsCollection();
eventsCollection.AddRange(events);
return(eventsCollection.ManageTimedEvents().Events.ToList());
}
/// <summary>
/// Gets chords contained in the specified collection of <see cref="MidiEvent"/>.
/// </summary>
/// <param name="events">Collection of<see cref="MidiFile"/> to search for chords.</param>
/// <param name="notesTolerance">Notes tolerance that defines maximum distance of notes from the
/// start of the first note of a chord. Notes within this tolerance will be considered as a chord.</param>
/// <returns>Collection of chords contained in <paramref name="events"/> ordered by time.</returns>
/// <exception cref="ArgumentNullException"><paramref name="events"/> is <c>null</c>.</exception>
public static IEnumerable <Chord> GetChords(this IEnumerable <MidiEvent> events, long notesTolerance = 0)
{
ThrowIfArgument.IsNull(nameof(events), events);
ThrowIfNotesTolerance.IsNegative(nameof(notesTolerance), notesTolerance);
var eventsCollection = new EventsCollection();
eventsCollection.AddRange(events);
return(eventsCollection.ManageChords(notesTolerance).Chords.ToList());
}
private void GetNotes_DetectionSettings_EventsCollection(
ContainerType containerType,
NoteDetectionSettings settings,
ICollection <MidiEvent> midiEvents,
ICollection <Note> expectedNotes)
{
switch (containerType)
{
case ContainerType.EventsCollection:
{
var eventsCollection = new EventsCollection();
eventsCollection.AddRange(midiEvents);
var notes = eventsCollection.GetNotes(settings);
MidiAsserts.AreEqual(expectedNotes, notes, "Notes are invalid.");
var timedObjects = eventsCollection.GetObjects(ObjectType.Note, new ObjectDetectionSettings {
NoteDetectionSettings = settings
});
MidiAsserts.AreEqual(expectedNotes, timedObjects, "Notes are invalid from GetObjects.");
}
break;
case ContainerType.TrackChunk:
{
var trackChunk = new TrackChunk(midiEvents);
var notes = trackChunk.GetNotes(settings);
MidiAsserts.AreEqual(expectedNotes, notes, "Notes are invalid.");
var timedObjects = trackChunk.GetObjects(ObjectType.Note, new ObjectDetectionSettings {
NoteDetectionSettings = settings
});
MidiAsserts.AreEqual(expectedNotes, timedObjects, "Notes are invalid from GetObjects.");
}
break;
case ContainerType.TrackChunks:
case ContainerType.File:
{
GetNotes_DetectionSettings_TrackChunks(
containerType == ContainerType.File,
settings,
new[] { midiEvents },
expectedNotes);
}
break;
}
}
private void GetChords_EventsCollection(
ContainerType containerType,
ICollection <MidiEvent> midiEvents,
ICollection <Chord> expectedChords)
{
switch (containerType)
{
case ContainerType.EventsCollection:
{
var eventsCollection = new EventsCollection();
eventsCollection.AddRange(midiEvents);
var chords = eventsCollection.GetChords();
MidiAsserts.AreEqual(expectedChords, chords, "Chords are invalid.");
var timedObjects = eventsCollection.GetObjects(ObjectType.Chord);
MidiAsserts.AreEqual(expectedChords, timedObjects, "Chords are invalid from GetObjects.");
}
break;
case ContainerType.TrackChunk:
{
var trackChunk = new TrackChunk(midiEvents);
var chords = trackChunk.GetChords();
MidiAsserts.AreEqual(expectedChords, chords, "Chords are invalid.");
var timedObjects = trackChunk.GetObjects(ObjectType.Chord);
MidiAsserts.AreEqual(expectedChords, timedObjects, "Chords are invalid from GetObjects.");
}
break;
case ContainerType.TrackChunks:
case ContainerType.File:
{
GetChords_TrackChunks(
containerType == ContainerType.File,
new[] { midiEvents },
expectedChords);
}
break;
}
}