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# coding: utf-8
from msgpack import packb, unpackb, ExtType
def test_str8():
header = b'\xd9'
data = b'x' * 32
b = packb(data.decode(), use_bin_type=True)
assert len(b) == len(data) + 2
assert b[0:2] == header + b'\x20'
assert b[2:] == data
assert unpackb(b) == data
data = b'x' * 255
b = packb(data.decode(), use_bin_type=True)
assert len(b) == len(data) + 2
assert b[0:2] == header + b'\xff'
assert b[2:] == data
assert unpackb(b) == data
def test_bin8():
header = b'\xc4'
data = b''
b = packb(data, use_bin_type=True)
assert len(b) == len(data) + 2
assert b[0:2] == header + b'\x00'
assert b[2:] == data
assert unpackb(b) == data
data = b'x' * 255
b = packb(data, use_bin_type=True)
assert len(b) == len(data) + 2
assert b[0:2] == header + b'\xff'
assert b[2:] == data
assert unpackb(b) == data
def test_bin16():
header = b'\xc5'
data = b'x' * 256
b = packb(data, use_bin_type=True)
assert len(b) == len(data) + 3
assert b[0:1] == header
assert b[1:3] == b'\x01\x00'
assert b[3:] == data
assert unpackb(b) == data
data = b'x' * 65535
b = packb(data, use_bin_type=True)
assert len(b) == len(data) + 3
assert b[0:1] == header
assert b[1:3] == b'\xff\xff'
assert b[3:] == data
assert unpackb(b) == data
def test_bin32():
header = b'\xc6'
data = b'x' * 65536
b = packb(data, use_bin_type=True)
assert len(b) == len(data) + 5
assert b[0:1] == header
assert b[1:5] == b'\x00\x01\x00\x00'
assert b[5:] == data
assert unpackb(b) == data
def test_ext():
def check(ext, packed):
assert packb(ext) == packed
assert unpackb(packed) == ext
check(ExtType(0x42, b'Z'), b'\xd4\x42Z') # fixext 1
check(ExtType(0x42, b'ZZ'), b'\xd5\x42ZZ') # fixext 2
check(ExtType(0x42, b'Z'*4), b'\xd6\x42' + b'Z'*4) # fixext 4
check(ExtType(0x42, b'Z'*8), b'\xd7\x42' + b'Z'*8) # fixext 8
check(ExtType(0x42, b'Z'*16), b'\xd8\x42' + b'Z'*16) # fixext 16
# ext 8
check(ExtType(0x42, b''), b'\xc7\x00\x42')
check(ExtType(0x42, b'Z'*255), b'\xc7\xff\x42' + b'Z'*255)
# ext 16
check(ExtType(0x42, b'Z'*256), b'\xc8\x01\x00\x42' + b'Z'*256)
check(ExtType(0x42, b'Z'*0xffff), b'\xc8\xff\xff\x42' + b'Z'*0xffff)
# ext 32
check(ExtType(0x42, b'Z'*0x10000), b'\xc9\x00\x01\x00\x00\x42' + b'Z'*0x10000)
# needs large memory
#check(ExtType(0x42, b'Z'*0xffffffff),
# b'\xc9\xff\xff\xff\xff\x42' + b'Z'*0xffffffff)
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