def test_register_set_all_bits(self) -> None:
r = MIIRegister(3, 4)
r.set_bits(0, 16, 0b1010_0101_1100_1111)
assert r.as_bytes()[0] == 0b1100_1111
assert r.as_bytes()[1] == 0b1010_0101
assert r.get_byte(0) == r.as_bytes()[0]
assert r.get_byte(1) == r.as_bytes()[1]
assert r.get_bit(0) == 1
assert r.get_bit(1) == 1
assert r.get_bit(2) == 1
assert r.get_bit(3) == 1
assert r.get_bit(4) == 0
assert r.get_bit(5) == 0
assert r.get_bit(6) == 1
assert r.get_bit(7) == 1
assert r.get_bit(8) == 1
assert r.get_bit(9) == 0
assert r.get_bit(10) == 1
assert r.get_bit(11) == 0
assert r.get_bit(12) == 0
assert r.get_bit(13) == 1
assert r.get_bit(14) == 0
assert r.get_bit(15) == 1
assert r.as_number() == 0b1010_0101_1100_1111
def test_register_set_both_bytes(self) -> None:
r = MIIRegister(3, 4)
r.set_byte(0, 0xCC)
r.set_byte(1, 0xDD)
assert len(r.as_bytes()) == 2
assert r.as_bytes()[0] == 0xCC
assert r.as_bytes()[1] == 0xDD
assert r.get_byte(0) == r.as_bytes()[0]
assert r.get_byte(1) == r.as_bytes()[1]
assert r.as_number() == 0xDDCC
def test_register_set_second_byte(self) -> None:
r = MIIRegister(3, 4)
r.set_byte(1, 0xCC)
assert len(r.as_bytes()) == 2
assert r.as_bytes()[0] == 0
assert r.as_bytes()[1] == 0xCC
assert r.get_byte(0) == r.as_bytes()[0]
assert r.get_byte(1) == r.as_bytes()[1]
assert r.as_number() == 0xCC00
assert r.as_number(signed=True) == -13312
def test_register_set_first_byte(self) -> None:
r = MIIRegister(3, 4)
r.set_byte(0, 100)
assert len(r.as_bytes()) == 2
assert r.as_bytes()[0] == 100
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.as_number() == 100
assert r.as_number(signed=True) == 100
def test_register_set_bits(self) -> None:
r = MIIRegister(3, 4)
r.set_bits(6, 4, 0b1010)
assert r.as_bytes()[0] == 0b1000_0000
assert r.as_bytes()[1] == 0b0000_0010
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(6) == 0
assert r.get_bit(7) == 1
assert r.get_bit(8) == 0
assert r.get_bit(9) == 1
assert r.get_bit(15) == 0
assert r.as_number() == 0b0000_0010_1000_0000
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_zero(self) -> None:
r = MIIRegister(1, 2)
assert r.address.phy == 1
assert r.address.mii == 2
assert len(r.as_bytes()) == 2
assert r.as_bytes()[0] == 0
assert r.as_bytes()[1] == 0
assert r.get_byte(0) == 0
assert r.get_byte(1) == 0
assert r.get_bit(0) == 0
assert r.get_bit(1) == 0
assert r.get_bit(8) == 0
assert r.get_bit(15) == 0
try:
r.get_bit(16)
assert False
except ValueError:
pass
assert r.as_number() == 0
assert r.as_number(signed=True) == 0
assert r.is_default()
for i in range(16):
r.check_bit_index(i)
try:
r.check_bit_index(16)
assert False
except ValueError:
pass
r.check_byte_index(0)
r.check_byte_index(1)
try:
r.check_byte_index(2)
assert False
except ValueError:
pass