2 from __future__ import absolute_import
10 def encode_and_decode_vuint(x):
12 vint.write_vuint(f, x)
13 return vint.read_vuint(BytesIO(f.getvalue()))
17 for x in (0, 1, 42, 128, 10**16):
18 WVPASSEQ(encode_and_decode_vuint(x), x)
19 WVEXCEPT(Exception, vint.write_vuint, BytesIO(), -1)
20 WVEXCEPT(EOFError, vint.read_vuint, BytesIO())
23 def encode_and_decode_vint(x):
26 return vint.read_vint(BytesIO(f.getvalue()))
30 values = (0, 1, 42, 64, 10**16)
32 WVPASSEQ(encode_and_decode_vint(x), x)
33 for x in [-x for x in values]:
34 WVPASSEQ(encode_and_decode_vint(x), x)
35 WVEXCEPT(EOFError, vint.read_vint, BytesIO())
36 WVEXCEPT(EOFError, vint.read_vint, BytesIO(b"\x80\x80"))
39 def encode_and_decode_bvec(x):
42 return vint.read_bvec(BytesIO(f.getvalue()))
46 values = (b'', b'x', b'foo', b'\0', b'\0foo', b'foo\0bar\0')
48 WVPASSEQ(encode_and_decode_bvec(x), x)
49 WVEXCEPT(EOFError, vint.read_bvec, BytesIO())
51 for x in (b'foo', b'bar', b'baz', b'bax'):
52 vint.write_bvec(outf, x)
53 inf = BytesIO(outf.getvalue())
54 WVPASSEQ(vint.read_bvec(inf), b'foo')
55 WVPASSEQ(vint.read_bvec(inf), b'bar')
57 WVPASSEQ(vint.read_bvec(inf), b'bax')
60 def pack_and_unpack(types, *values):
61 data = vint.pack(types, *values)
62 return vint.unpack(types, data)
65 def test_pack_and_unpack():
68 ('ss', [b'foo', b'bar']),
80 (types, values) = test
81 WVPASSEQ(pack_and_unpack(types, *values), values)
82 WVEXCEPT(Exception, vint.pack, 's')
83 WVEXCEPT(Exception, vint.pack, 's', 'foo', 'bar')
84 WVEXCEPT(Exception, vint.pack, 'x', 1)
85 WVEXCEPT(Exception, vint.unpack, 's', '')
86 WVEXCEPT(Exception, vint.unpack, 'x', '')