from abjad import *


#def test_HarmonicDiatonicInterval___neg___01():
#
#   interval = pitchtools.DiatonicInterval('minor', 3)
#   assert -interval == pitchtools.DiatonicInterval('minor', -3)
#
#
#def test_HarmonicDiatonicInterval___neg___02():
#
#   interval = pitchtools.DiatonicInterval('minor', -3)
#   assert -interval == pitchtools.DiatonicInterval('minor', 3)
