def test_swapbytes(self):
assert swapbytes(b"aaaabbbbcccc", 4) == b"ccccbbbbaaaa"
assert swapbytes(b"abcdefgh", 2) == b"ghefcdab"
assert swapbytes(b"00011011", 2) == b"11100100"
assert swapbytes(b"", 2) == b""
assert raises(swapbytes, b"12345678", 7) == ValueError
assert raises(swapbytes, b"12345678", -4) == ValueError
def test_swapbytes(self):
assert swapbytes(b"aaaabbbbcccc", 4) == b"ccccbbbbaaaa"
assert swapbytes(b"abcdefgh", 2) == b"ghefcdab"
assert swapbytes(b"00011011", 2) == b"11100100"
assert swapbytes(b"", 2) == b""
assert raises(swapbytes, b"12345678", 7) == ValueError
assert raises(swapbytes, b"12345678", -4) == ValueError
def test_bits2bytes(self):
assert bits2bytes(
b"\x00\x01\x01\x00\x00\x00\x00\x01\x00\x01\x01\x00\x00\x00\x01\x00"
) == b"ab"
assert bits2bytes(b"") == b""
assert raises(bits2bytes, b"\x00") == ValueError
assert raises(bits2bytes,
b"\x00\x00\x00\x00\x00\x00\x00") == ValueError
def test_integer2bits(self):
assert integer2bits(19, 5) == b"\x01\x00\x00\x01\x01"
assert integer2bits(19, 8) == b'\x00\x00\x00\x01\x00\x00\x01\x01'
assert integer2bits(19, 3) == b'\x00\x01\x01'
assert integer2bits(-13, 5) == b"\x01\x00\x00\x01\x01"
assert integer2bits(-13, 8) == b"\x01\x01\x01\x01\x00\x00\x01\x01"
assert raises(integer2bits, 19, 0) == ValueError
assert raises(integer2bits, 19, -1) == ValueError
assert raises(integer2bits, -19, 0) == ValueError
assert raises(integer2bits, -19, -1) == ValueError
def test_integer2bytes(self):
assert integer2bytes(0, 4) == b"\x00\x00\x00\x00"
assert integer2bytes(1, 4) == b"\x00\x00\x00\x01"
assert integer2bytes(255, 4) == b"\x00\x00\x00\xff"
assert integer2bytes(-1, 4) == b"\xff\xff\xff\xff"
assert integer2bytes(-255, 4) == b"\xff\xff\xff\x01"
assert raises(integer2bytes, 19, 0) == ValueError
assert raises(integer2bytes, 19, -1) == ValueError
assert raises(integer2bytes, -19, 0) == ValueError
assert raises(integer2bytes, -19, -1) == ValueError
def test_integer2bits(self):
assert integer2bits(19, 5) == b"\x01\x00\x00\x01\x01"
assert integer2bits(19, 8) == b'\x00\x00\x00\x01\x00\x00\x01\x01'
assert integer2bits(19, 3) == b'\x00\x01\x01'
assert integer2bits(-13, 5) == b"\x01\x00\x00\x01\x01"
assert integer2bits(-13, 8) == b"\x01\x01\x01\x01\x00\x00\x01\x01"
assert raises(integer2bits, 19, 0) == ValueError
assert raises(integer2bits, 19, -1) == ValueError
assert raises(integer2bits, -19, 0) == ValueError
assert raises(integer2bits, -19, -1) == ValueError
def test_integer2bytes(self):
assert integer2bytes(0, 4) == b"\x00\x00\x00\x00"
assert integer2bytes(1, 4) == b"\x00\x00\x00\x01"
assert integer2bytes(255, 4) == b"\x00\x00\x00\xff"
assert integer2bytes(-1, 4) == b"\xff\xff\xff\xff"
assert integer2bytes(-255, 4) == b"\xff\xff\xff\x01"
assert raises(integer2bytes, 19, 0) == ValueError
assert raises(integer2bytes, 19, -1) == ValueError
assert raises(integer2bytes, -19, 0) == ValueError
assert raises(integer2bytes, -19, -1) == ValueError
def test_delitem(self):
c = Container(a=1, b=2)
del c.a
assert "a" not in c
assert raises(lambda: c.a) == AttributeError
assert raises(lambda: c["a"]) == KeyError
del c["b"]
assert "b" not in c
assert raises(lambda: c.b) == AttributeError
assert raises(lambda: c["b"]) == KeyError
assert c == Container()
def test_delitem(self):
c = Container(a=1, b=2)
del c.a
assert "a" not in c
assert raises(lambda: c.a) == AttributeError
assert raises(lambda: c["a"]) == KeyError
del c["b"]
assert "b" not in c
assert raises(lambda: c.b) == AttributeError
assert raises(lambda: c["b"]) == KeyError
assert c == Container()
def test_popitem(self):
c = Container(a=1)(b=2)(c=3)(d=4)
assert c.popitem() == ("d", 4)
assert c.popitem() == ("c", 3)
assert c.popitem() == ("b", 2)
assert c.popitem() == ("a", 1)
assert raises(c.popitem) == IndexError
def test_popitem(self):
c = Container(a=1)(b=2)(c=3)(d=4)
assert c.popitem() == ("d",4)
assert c.popitem() == ("c",3)
assert c.popitem() == ("b",2)
assert c.popitem() == ("a",1)
assert raises(c.popitem) == IndexError
def test_pop(self):
c = Container(a=1)(b=2)(c=3)(d=4)
assert c.pop("b") == 2
assert c.pop("d") == 4
assert c.pop("a") == 1
assert c.pop("c") == 3
assert raises(c.pop, "missing") == KeyError
assert c == Container()
def test_pop(self):
c = Container(a=1)(b=2)(c=3)(d=4)
assert c.pop("b") == 2
assert c.pop("d") == 4
assert c.pop("a") == 1
assert c.pop("c") == 3
assert raises(c.pop, "missing") == KeyError
assert c == Container()
def common(format, data, obj, size=None):
assert format.parse(data) == obj
assert format.build(obj) == data
# following are guaranteed by the above
# assert format.parse(format.build(obj)) == obj
# assert format.build(format.parse(data)) == data
if isinstance(size, int):
assert format.sizeof() == size
else:
assert raises(format.sizeof) == size
def common(format, data, obj, size=None):
assert format.parse(data) == obj
assert format.build(obj) == data
# following are guaranteed by the above
# assert format.parse(format.build(obj)) == obj
# assert format.build(format.parse(data)) == data
if size is not None:
if isinstance(size, Exception):
assert raises(format.sizeof) == size
else:
assert format.sizeof() == size
def test_bits2bytes(self):
assert bits2bytes(b"\x00\x01\x01\x00\x00\x00\x00\x01\x00\x01\x01\x00\x00\x00\x01\x00") == b"ab"
assert bits2bytes(b"") == b""
assert raises(bits2bytes, b"\x00") == ValueError
assert raises(bits2bytes, b"\x00\x00\x00\x00\x00\x00\x00") == ValueError
def test_getitem(self):
c = Container(a=1)
assert c["a"] == 1
assert c.a == 1
assert raises(lambda: c.unknownkey) == AttributeError
assert raises(lambda: c["unknownkey"]) == KeyError
def test_getitem(self):
c = Container(a=1)
assert c["a"] == 1
assert c.a == 1
assert raises(lambda: c.unknownkey) == AttributeError
assert raises(lambda: c["unknownkey"]) == KeyError