from abjad import *
from abjad.tools import durationtools
from abjad.tools import verticalitytools


def test_VerticalMoment_notes_01():

    score = Score([])
    score.append(Staff([tuplettools.FixedDurationTuplet(Duration(4, 8), notetools.make_repeated_notes(3))]))
    piano_staff = scoretools.PianoStaff([])
    piano_staff.append(Staff(notetools.make_repeated_notes(2, Duration(1, 4))))
    piano_staff.append(Staff(notetools.make_repeated_notes(4)))
    contexttools.ClefMark('bass')(piano_staff[1])
    score.append(piano_staff)
    pitchtools.set_ascending_named_diatonic_pitches_on_nontied_pitched_components_in_expr(list(reversed(score.leaves)))

    r'''
    \new Score <<
        \new Staff {
            \times 4/3 {
                d''8
                c''8
                b'8
            }
        }
        \new PianoStaff <<
            \new Staff {
                a'4
                g'4
            }
            \new Staff {
                \clef "bass"
                f'8
                e'8
                d'8
                c'8
            }
        >>
    >>
    '''

    vertical_moment = verticalitytools.get_vertical_moment_at_prolated_offset_in_expr(
        score, durationtools.Offset(1, 8))
    "(Note(d'', 8), Note(a', 4), Note(e', 8))"
    assert vertical_moment.notes == (
        score[0][0][0], piano_staff[0][0], piano_staff[1][1])
