def test_bitarray_pickle():
ba = BitArray()
assert ba == pickle.loads(pickle.dumps(ba, -1))
ba = BitArray(0)
assert ba == pickle.loads(pickle.dumps(ba, -1))
ba = BitArray(123)
assert ba == pickle.loads(pickle.dumps(ba, -1))
ba = BitArray(94187049178237918273981729127381723)
assert ba == pickle.loads(pickle.dumps(ba, -1))
def test_bitarray_getstate():
assert BitArray().__getstate__() == 0
assert BitArray(0).__getstate__() == 0
assert BitArray(100).__getstate__() == 100
assert BitArray(9870000000000000000).__getstate__() == 9870000000000000000
assert BitArray.all_on().__getstate__() == -1
assert (~BitArray(100).__getstate__()) == ~100
assert (~BitArray(812000000000000000).__getstate__()) == ~812000000000000000
def test_bitarray_constructor():
assert BitArray().is_zero()
assert BitArray(0).is_zero()
ba = BitArray(0x10000000000000000000000000)
assert ba.get_lowest_on_bit() == 100
assert ba.get_highest_on_bit() == 100
with pytest.raises(Exception):
assert BitArray(-1)
with pytest.raises(Exception):
assert BitArray(-10000000000000000000)
def test_bitarray_clear():
ba = BitArray(1234)
ba.clear()
assert ba.is_zero()
assert not ba.is_all_on()
assert ba.get_highest_on_bit() == -1
assert ba.get_highest_off_bit() == -1
ba = BitArray.all_on()
ba.clear()
assert ba.is_zero()
assert not ba.is_all_on()
assert ba.get_highest_on_bit() == -1
assert ba.get_highest_off_bit() == -1
def test_bitarray_set_word():
# Non-inverted
expected = 9876 | (123456 << (BitArray.num_bits_per_word * 3))
ba = BitArray(0)
ba.set_word(0, 9876)
ba.set_word(3, 123456)
assert ba.__getstate__() == expected
assert not ba.is_all_on()
# Inverted
ba = BitArray(0)
ba.invert_in_place()
ba.set_word(2, 1234)
full_word = (1 << BitArray.num_bits_per_word) - 1
expected = ~((full_word & ~1234) << (BitArray.num_bits_per_word * 2))
assert ba.__getstate__() == expected
assert not ba.is_all_on()
def test_bitarray_invert():
assert ~BitArray(0) != BitArray(0)
assert (~BitArray(0)).is_all_on()
assert ~~BitArray(0) == BitArray(0)
assert ~~BitArray(123) == BitArray(123)
def test_bitarray_nonzero():
assert not BitArray()
assert not BitArray(0)
assert BitArray(1)
assert BitArray.all_on()
def test_bitarray_type():
assert BitArray.get_class_type().name == "BitArray"
def test_bitarray_allon():
assert BitArray.all_on().is_all_on()
assert BitArray.all_on().get_highest_on_bit() == -1
assert BitArray.all_on().get_highest_off_bit() == -1
def test_bitarray_constructor_sparse():
# Create a BitArray from a SparseArray.
ba = BitArray(SparseArray.all_on())
assert ba.is_all_on()
ba = BitArray(SparseArray())
assert ba.is_zero()
sa = SparseArray()
sa.set_range(3, 64)
sa.set_range(0, 1)
sa.clear_range(60, 2)
ba = BitArray(sa)
exp = 0b1111100111111111111111111111111111111111111111111111111111111111001
assert ba.__getstate__() == exp
sa.invert_in_place()
ba = BitArray(sa)
assert ba.__getstate__() == ~exp
def test_bitarray_has_any_of():
ba = BitArray()
assert not ba.has_any_of(100, 200)
ba = BitArray()
ba.set_range(0, 53)
assert ba.has_any_of(52, 1)
assert ba.has_any_of(52, 100)
assert not ba.has_any_of(53, 45)
ba = BitArray()
ba.invert_in_place()
assert ba.has_any_of(0, 1)
assert ba.has_any_of(53, 45)
assert ba.has_any_of(0, 100)
def test_bitarray_allon():
assert BitArray.all_on().is_all_on()