def test_fnis_atmost (self):
assert _fnis(lambda: 0, atmost=0)()
assert _fnis(lambda: 0, atmost=1)()
assert _fnis(lambda: 1, atmost=1)()
assert not _fnis(lambda: 1, atmost=0)()
assert not _fnis(lambda: 2, atmost=1)()
def test_fnis_between (self):
assert _fnis(lambda: 0, atleast=0, atmost=1)()
assert _fnis(lambda: 1, atleast=0, atmost=1)()
assert _fnis(lambda: 1, atleast=1, atmost=2)()
assert _fnis(lambda: 2, atleast=1, atmost=2)()
assert _fnis(lambda: 2, atleast=1, atmost=3)()
assert _fnis(lambda: 2, atleast=2, atmost=3)()
assert _fnis(lambda: 3, atleast=2, atmost=3)()
assert not _fnis(lambda: 0, atleast=1, atmost=2)()
assert not _fnis(lambda: 3, atleast=1, atmost=2)()
def test_fnis_exactly (self):
assert _fnis(lambda: 0, exactly=0)()
assert _fnis(lambda: 1, exactly=1)()
assert _fnis(lambda: 2, exactly=2)()
assert not _fnis(lambda: 1, exactly=0)()
assert not _fnis(lambda: 2, exactly=1)()
assert not _fnis(lambda: 1, exactly=2)()
def test_fnis_bad_negative (self):
_fnis(lambda: 0, atleast=-1)
def test_fnis_bad_spec (self):
_fnis(lambda: 0, atleast=1, exactly=2)
