Function test

packages/alphatab/test/audio/MidiFileGenerator.test.ts:2009–2034

(tex: string, applyEffect: (beat: Beat) => void)

    describe('effect-note-durations', () => {
        function test(tex: string, applyEffect: (beat: Beat) => void) {
            const score = ScoreLoader.loadAlphaTex(tex);
            let beat: Beat | null = score.tracks[0].staves[0].bars[0].voices[0].beats[0];
            while (beat) {
                applyEffect(beat);
                beat = beat.nextBeat;
            }

            const settings = new Settings();
            settings.player.playTripletFeel = true;

            score.finish(settings);

            const flat = new FlatMidiEventGenerator();
            const generator: MidiFileGenerator = new MidiFileGenerator(score, settings, flat);
            generator.generate();

            const noteEvents = flat.midiEvents
                .filter<FlatMidiEvent>(e => e instanceof FlatNoteEvent)
                .map(
                    e =>
                        `Note: ${Tuning.getTextForTuning((e as FlatNoteEvent).key, true)} ${(e as FlatNoteEvent).length}`
                );

            expect(noteEvents).toMatchSnapshot();
        }

        function addTrill(b: Beat) {
            if (b.graceType !== GraceType.None) {