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