New in version 2.0.
Instantiate pitch and interval test collection:
abjad> for x in pitchtools.instantiate_pitch_and_interval_test_collection(): x
...
HarmonicChromaticInterval(1)
HarmonicChromaticIntervalClass(1)
HarmonicCounterpointInterval(1)
HarmonicCounterpointIntervalClass(1)
HarmonicDiatonicInterval('M2')
HarmonicDiatonicIntervalClass('M2')
InversionEquivalentChromaticIntervalClass(1)
InversionEquivalentDiatonicIntervalClass('M2')
MelodicChromaticInterval(+1)
MelodicChromaticIntervalClass(+1)
MelodicCounterpointInterval(1)
MelodicCounterpointIntervalClass(+1)
MelodicDiatonicInterval('+M2')
MelodicDiatonicIntervalClass('+M2')
NamedChromaticPitch('c')
NamedChromaticPitchClass('c')
NamedDiatonicPitch('c')
NamedDiatonicPitchClass('c')
NumberedChromaticPitch(1)
NumberedChromaticPitchClass(1)
NumberedDiatonicPitch(1)
NumberedDiatonicPitchClass(1)
Use to test pitch and interval interface consistency.
Return list.