def test_str():
bits = Bits()
assert str(bits) == ""
bits.bools = [1]
assert str(bits) == "1"
bits.bools = [1, 1, 0, 1]
assert str(bits) == "1101"
def test_lrc():
b = Bits()
assert b.lrc(0) == None
assert b.lrc(4) == None
b.bools = [0]
assert b.lrc(0) == None
assert b.lrc(1) == [0]
b.bools = [
0, 0, 0, 0,
1, 0, 0, 0,
0, 1, 0, 0,
1, 1, 0, 0,
]
assert b.lrc(4) == [0, 0, 0, 0]
assert b.lrc(6) == None
assert b.lrc(8) == [0, 1, 0, 0, 0, 1, 0, 0]
# With parity bits
b.bools = [
0, 0, 0, 0, 1,
1, 0, 0, 0, 0,
0, 1, 0, 0, 0,
1, 1, 0, 0, 1,
]
assert b.lrc(5) == [0, 0, 0, 0, 0]