measure from note list tests

lib/note.dart

@@ -89,6 +89,17 @@ class Timing {
  String toString() {
  return 'Timing{type: $type, nth: $nth}';
  }
+
+ @override
+ bool operator ==(Object other) =>
+ identical(this, other) ||
+ other is Timing &&
+ runtimeType == other.runtimeType &&
+ type == other.type &&
+ nth == other.nth;
+
+ @override
+ int get hashCode => type.hashCode ^ nth.hashCode;
 }
 
 class Note {

test/measure_test.dart

@@ -0,0 +1,123 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:libtab/libtab.dart';
+
+void main() {
+ test('Measure.fromNoteList calculates whole note timing', () {
+ final measure = Measure.fromNoteList([
+ Note(1, 2),
+ ]);
+ expect(measure.notes[0].timing, equals(const Timing(NoteType.whole, 1)));
+ });
+
+ test('Measure.fromNoteList calculates half note timing', () {
+ final measure = Measure.fromNoteList([
+ Note(1, 2),
+ Note(1, 2),
+ ]);
+ expect(measure.notes[0].timing, equals(const Timing(NoteType.half, 1)));
+ expect(measure.notes[1].timing, equals(const Timing(NoteType.half, 2)));
+ });
+
+ test('Measure.fromNoteList calculates quarter note timing', () {
+ final measure = Measure.fromNoteList([
+ Note(1, 2),
+ Note(1, 2),
+ Note(3, 4),
+ Note(5, 6),
+ ]);
+ expect(measure.notes[0].timing, equals(const Timing(NoteType.quarter, 1)));
+ expect(measure.notes[1].timing, equals(const Timing(NoteType.quarter, 2)));
+ expect(measure.notes[2].timing, equals(const Timing(NoteType.quarter, 3)));
+ expect(measure.notes[3].timing, equals(const Timing(NoteType.quarter, 4)));
+ });
+
+ test('Measure.fromNoteList calculates eighth note timing', () {
+ final measure = Measure.fromNoteList([
+ Note(1, 2),
+ Note(1, 2),
+ Note(3, 4),
+ Note(5, 6),
+ Note(1, 2),
+ Note(1, 2),
+ Note(3, 4),
+ Note(5, 6),
+ ]);
+ expect(measure.notes[0].timing, equals(const Timing(NoteType.eighth, 1)));
+ expect(measure.notes[1].timing, equals(const Timing(NoteType.eighth, 2)));
+ expect(measure.notes[2].timing, equals(const Timing(NoteType.eighth, 3)));
+ expect(measure.notes[3].timing, equals(const Timing(NoteType.eighth, 4)));
+ expect(measure.notes[4].timing, equals(const Timing(NoteType.eighth, 5)));
+ expect(measure.notes[5].timing, equals(const Timing(NoteType.eighth, 6)));
+ expect(measure.notes[6].timing, equals(const Timing(NoteType.eighth, 7)));
+ expect(measure.notes[7].timing, equals(const Timing(NoteType.eighth, 8)));
+ });
+
+ test('Measure.fromNoteList calculates sixteenth note timing', () {
+ final measure = Measure.fromNoteList([
+ Note(1, 2),
+ Note(1, 2),
+ Note(3, 4),
+ Note(5, 6),
+ Note(1, 2),
+ Note(1, 2),
+ Note(3, 4),
+ Note(5, 6),
+ Note(1, 2),
+ Note(1, 2),
+ Note(3, 4),
+ Note(5, 6),
+ Note(1, 2),
+ Note(1, 2),
+ Note(3, 4),
+ Note(5, 6),
+ ]);
+ expect(
+ measure.notes[0].timing, equals(const Timing(NoteType.sixteenth, 1)));
+ expect(
+ measure.notes[1].timing, equals(const Timing(NoteType.sixteenth, 2)));
+ expect(
+ measure.notes[2].timing, equals(const Timing(NoteType.sixteenth, 3)));
+ expect(
+ measure.notes[3].timing, equals(const Timing(NoteType.sixteenth, 4)));
+ expect(
+ measure.notes[4].timing, equals(const Timing(NoteType.sixteenth, 5)));
+ expect(
+ measure.notes[5].timing, equals(const Timing(NoteType.sixteenth, 6)));
+ expect(
+ measure.notes[6].timing, equals(const Timing(NoteType.sixteenth, 7)));
+ expect(
+ measure.notes[7].timing, equals(const Timing(NoteType.sixteenth, 8)));
+ expect(
+ measure.notes[8].timing, equals(const Timing(NoteType.sixteenth, 9)));
+ expect(
+ measure.notes[9].timing, equals(const Timing(NoteType.sixteenth, 10)));
+ expect(
+ measure.notes[10].timing, equals(const Timing(NoteType.sixteenth, 11)));
+ expect(
+ measure.notes[11].timing, equals(const Timing(NoteType.sixteenth, 12)));
+ expect(
+ measure.notes[12].timing, equals(const Timing(NoteType.sixteenth, 13)));
+ expect(
+ measure.notes[13].timing, equals(const Timing(NoteType.sixteenth, 14)));
+ expect(
+ measure.notes[14].timing, equals(const Timing(NoteType.sixteenth, 15)));
+ expect(
+ measure.notes[15].timing, equals(const Timing(NoteType.sixteenth, 16)));
+ });
+
+ test('Measure.fromNoteList syncs calculated timing with concurrent notes',
+ () {
+ final measure = Measure.fromNoteList([
+ Note(1, 2, and: Note(3, 4, and: Note(5, 6))),
+ Note(1, 2),
+ Note(3, 4),
+ Note(5, 6),
+ ]);
+ expect(measure.notes[0].timing, equals(const Timing(NoteType.quarter, 1)));
+ expect(measure.notes[0].timing, equals(measure.notes[0].and!.timing));
+ expect(measure.notes[0].timing, equals(measure.notes[0].and!.and!.timing));
+ expect(measure.notes[1].timing, equals(const Timing(NoteType.quarter, 2)));
+ expect(measure.notes[2].timing, equals(const Timing(NoteType.quarter, 3)));
+ expect(measure.notes[3].timing, equals(const Timing(NoteType.quarter, 4)));
+ });
+}