mirror of
https://github.com/RustPython/RustPython.git
synced 2026-06-02 19:39:49 +09:00
79 lines
1.6 KiB
Python
79 lines
1.6 KiB
Python
import struct
|
|
|
|
from testutils import assert_raises
|
|
|
|
data = struct.pack("IH", 14, 12)
|
|
assert data == bytes([14, 0, 0, 0, 12, 0])
|
|
|
|
v1, v2 = struct.unpack("IH", data)
|
|
assert v1 == 14
|
|
assert v2 == 12
|
|
|
|
data = struct.pack("<IH", 14, 12)
|
|
assert data == bytes([14, 0, 0, 0, 12, 0])
|
|
|
|
v1, v2 = struct.unpack("<IH", data)
|
|
assert v1 == 14
|
|
assert v2 == 12
|
|
|
|
data = struct.pack(">IH", 14, 12)
|
|
assert data == bytes([0, 0, 0, 14, 0, 12])
|
|
|
|
v1, v2 = struct.unpack(">IH", data)
|
|
assert v1 == 14
|
|
assert v2 == 12
|
|
|
|
data = struct.pack("3B", 65, 66, 67)
|
|
assert data == bytes([65, 66, 67])
|
|
|
|
v1, v2, v3 = struct.unpack("3B", data)
|
|
assert v1 == 65
|
|
assert v2 == 66
|
|
assert v3 == 67
|
|
|
|
with assert_raises(Exception):
|
|
data = struct.pack("B0B", 65, 66)
|
|
|
|
with assert_raises(Exception):
|
|
data = struct.pack("B2B", 65, 66)
|
|
|
|
data = struct.pack("B1B", 65, 66)
|
|
|
|
with assert_raises(Exception):
|
|
struct.pack("<IH", "14", 12)
|
|
|
|
assert struct.calcsize("B") == 1
|
|
# assert struct.calcsize("<L4B") == 12
|
|
|
|
assert struct.Struct("3B").pack(65, 66, 67) == bytes([65, 66, 67])
|
|
|
|
|
|
class Indexable(object):
|
|
def __init__(self, value):
|
|
self._value = value
|
|
|
|
def __index__(self):
|
|
return self._value
|
|
|
|
|
|
data = struct.pack("B", Indexable(65))
|
|
assert data == bytes([65])
|
|
|
|
data = struct.pack("5s", b"test1")
|
|
assert data == b"test1"
|
|
|
|
data = struct.pack("3s", b"test2")
|
|
assert data == b"tes"
|
|
|
|
data = struct.pack("7s", b"test3")
|
|
assert data == b"test3\0\0"
|
|
|
|
data = struct.pack("?", True)
|
|
assert data == b"\1"
|
|
|
|
data = struct.pack("?", [])
|
|
assert data == b"\0"
|
|
|
|
assert struct.error.__module__ == "struct"
|
|
assert struct.error.__name__ == "error"
|