def test_serialize_u32():
for i in xrange(2**7):
assert serialize_u32(i) == chr(i)
for i in xrange(2**7, 2**14):
assert serialize_u32(i) == chr(0x80 | i & 0x7F) + chr(i >> 7)
for i in xrange(2**14, 2**16):
assert serialize_u32(i) == chr(0x80 | i & 0x7F) + chr(0x80 | (i >> 7) & 0x7F) + chr(i >> 14)
for i in range(2**35, 2**35+5):
py.test.raises(ValueError, serialize_u32, i)
def test_serialize_u32():
for i in xrange(2**7):
assert serialize_u32(i) == chr(i)
for i in xrange(2**7, 2**14):
assert serialize_u32(i) == chr(0x80 | i & 0x7F) + chr(i >> 7)
for i in xrange(2**14, 2**16):
assert serialize_u32(i) == chr(0x80 | i & 0x7F) + chr(
0x80 | (i >> 7) & 0x7F) + chr(i >> 14)
for i in range(2**35, 2**35 + 5):
py.test.raises(ValueError, serialize_u32, i)
def test_serialize_u32_signed():
for i in xrange(-1, -2**16, -1):
j = i & 0xFFFFFFFF
assert serialize_u32(i) == ''.join(
chr(b)
for b in [(j & 0x7F) | 0x80, ((j >> 7) & 0x7f)
| 0x80, ((j >> 14) & 0x7f) | 0x80, ((j >> 21) & 0x7f)
| 0x80, ((j >> 28) & 0x7f)])
for i in range(-2**35, -2**35 - 5):
py.test.raises(ValueError, serialize_u32, i)
def test_serialize_u32_signed():
for i in xrange(-1, -2**16, -1):
j = i & 0xFFFFFFFF
assert serialize_u32(i) == ''.join(chr(b) for b in [ (j &0x7F)|0x80,
((j>>7 )&0x7f)|0x80,
((j>>14)&0x7f)|0x80,
((j>>21)&0x7f)|0x80,
((j>>28)&0x7f)])
for i in range(-2**35, -2**35-5):
py.test.raises(ValueError, serialize_u32, i)