from abjad import *


def test_assess_components_none_none_01( ):
   t = construct.scale(4)
   assert check.assess_components(t)


def test_assess_components_none_none_02( ):
   t = Staff(construct.scale(4)) * 4
   assert check.assess_components(t)


def test_assess_components_none_none_03( ):
   t = range(4)
   assert not check.assess_components(t)


def test_assess_components_none_none_04( ):
   t = [ ]
   assert check.assess_components(t)
