def test_register_set_bit_in_second_byte(self) -> None:
r = MIIRegister(3, 4)
r.set_bit(10, True)
assert r.as_bytes()[0] == 0
assert r.as_bytes()[1] == 0b0000_0100
assert r.get_byte(0) == r.as_bytes()[0]
assert r.get_byte(1) == r.as_bytes()[1]
assert r.get_bit(0) == 0
assert r.get_bit(1) == 0
assert r.get_bit(9) == 0
assert r.get_bit(10) == 1
assert r.get_bit(11) == 0
assert r.get_bit(15) == 0
assert r.as_number() == 0b0000_0100_0000_0000
assert r.as_number(signed=True) == 0b0000_0100_0000_0000
def test_register_reset_bit(self) -> None:
r = MIIRegister(3, 4)
r.set_bit(2, True)
r.set_bit(2, False)
assert r.as_bytes()[0] == 0
assert r.as_bytes()[1] == 0
assert r.get_byte(0) == r.as_bytes()[0]
assert r.get_byte(1) == r.as_bytes()[1]
assert r.get_bit(0) == 0
assert r.get_bit(1) == 0
assert r.get_bit(2) == 0
assert r.get_bit(3) == 0
assert r.get_bit(15) == 0
assert r.as_number() == 0
assert r.as_number(signed=True) == 0
def test_register_set_bit_in_first_byte(self) -> None:
r = MIIRegister(3, 4)
r.set_bit(0, True)
assert r.address.phy == 3
assert r.address.mii == 4
assert len(r.as_bytes()) == 2
assert r.as_bytes()[0] == 1
assert r.as_bytes()[1] == 0
assert r.get_byte(0) == 1
assert r.get_byte(1) == 0
assert r.get_bit(0) == 1
assert r.get_bit(1) == 0
assert r.get_bit(8) == 0
assert r.get_bit(15) == 0
assert r.as_number() == 1
assert r.as_number(signed=True) == 1
assert r.is_default()
def test_register_set_bit_as_signed(self) -> None:
r = MIIRegister(3, 4)
r.set_bit(15, True)
assert r.as_number() == pow(2, 15)
assert r.as_number(signed=True) == -pow(2, 15)