mirror of https://github.com/python/cpython.git
45 lines
1.0 KiB
Python
45 lines
1.0 KiB
Python
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import struct
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## import pdb
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def simple_err(func, *args):
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try:
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apply(func, args)
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except struct.error:
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pass
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else:
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print 'expected struct.error not caught'
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## pdb.set_trace()
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simple_err(struct.calcsize, 'Q')
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sz = struct.calcsize('i')
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if sz * 3 <> struct.calcsize('iii'):
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print 'inconsistent sizes'
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sz = struct.calcsize('cbhilfd')
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if sz * 3 <> struct.calcsize('3c3b3h3i3l3f3d'):
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print 'inconsistent sizes'
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simple_err(struct.pack, 'iii', 3)
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simple_err(struct.pack, 'i', 3, 3, 3)
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simple_err(struct.pack, 'i', 'foo')
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simple_err(struct.unpack, 'd', 'flap')
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s = struct.pack('ii', 1, 2)
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simple_err(struct.unpack, 'iii', s)
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simple_err(struct.unpack, 'i', s)
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c = 'a'
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b = -1
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h = 255
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i = 65535
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l = 65536
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f = 3.1415
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d = 3.1415
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s = struct.pack('xcbhilfd', c, b, h, i, l, f, d)
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cp, bp, hp, ip, lp, fp, dp = struct.unpack('xcbhilfd', s)
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if cp <> c or bp <> b or hp <> h or ip <> i or lp <> l or \
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int(100 * fp) <> int(100 * f) or int(100 * dp) <> int(100 * d):
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# ^^^ calculate only to two decimal places
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print 'unpack/pack not transitive'
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