77 lines
1.4 KiB
Python
77 lines
1.4 KiB
Python
# test ustruct with a count specified before the type
|
|
|
|
try:
|
|
import struct
|
|
except ImportError:
|
|
print("SKIP")
|
|
raise SystemExit
|
|
|
|
print(struct.calcsize('0s'))
|
|
print(struct.unpack('0s', b''))
|
|
print(struct.pack('0s', b'123'))
|
|
|
|
print(struct.calcsize('2s'))
|
|
print(struct.unpack('2s', b'12'))
|
|
print(struct.pack('2s', b'123'))
|
|
|
|
print(struct.calcsize('2H'))
|
|
print(struct.unpack('<2H', b'1234'))
|
|
print(struct.pack('<2H', 258, 515))
|
|
|
|
print(struct.calcsize('0s1s0H2H'))
|
|
print(struct.unpack('<0s1s0H2H', b'01234'))
|
|
print(struct.pack('<0s1s0H2H', b'abc', b'abc', 258, 515))
|
|
|
|
# check that we get an error if the buffer is too small
|
|
try:
|
|
struct.unpack('2H', b'\x00\x00')
|
|
except:
|
|
print('Exception')
|
|
try:
|
|
struct.pack_into('2I', bytearray(4), 0, 0)
|
|
except:
|
|
print('Exception')
|
|
|
|
# check that unknown types raise an exception
|
|
try:
|
|
struct.unpack('z', b'1')
|
|
except:
|
|
print('Exception')
|
|
|
|
try:
|
|
struct.pack('z', (b'1',))
|
|
except:
|
|
print('Exception')
|
|
|
|
try:
|
|
struct.calcsize('0z')
|
|
except:
|
|
print('Exception')
|
|
|
|
# check that a count without a type specifier raises an exception
|
|
|
|
try:
|
|
struct.calcsize('1')
|
|
except:
|
|
print('Exception')
|
|
|
|
try:
|
|
struct.pack('1')
|
|
except:
|
|
print('Exception')
|
|
|
|
try:
|
|
struct.pack_into('1', bytearray(4), 0, 'xx')
|
|
except:
|
|
print('Exception')
|
|
|
|
try:
|
|
struct.unpack('1', 'xx')
|
|
except:
|
|
print('Exception')
|
|
|
|
try:
|
|
struct.unpack_from('1', 'xx')
|
|
except:
|
|
print('Exception')
|