def test_sequencetools_all_are_assignable_integers_01():
r'''True when all elements in sequence are all notehead assignable.
'''
assert sequencetools.all_are_assignable_integers([1, 2, 3, 4, 6, 7, 8, 12, 14, 15, 16])
def test_sequencetools_all_are_assignable_integers_03():
r'''False otherwise.
'''
assert not sequencetools.all_are_assignable_integers([0, 1, 2, 4, 5])
def test_sequencetools_all_are_assignable_integers_04():
r'''False when expr is not a sequence.
'''
assert not sequencetools.all_are_assignable_integers(16)
def test_sequencetools_all_are_assignable_integers_02():
r'''True on empty sequence.
'''
assert sequencetools.all_are_assignable_integers([])
