def test_varint_size(self):
# Check each boundary of varint sizing
sizes = {
2: 0x80,
3: 0x4000,
4: 0x200000,
5: 0x10000000,
6: 0x800000000L,
7: 0x40000000000L,
8: 0x2000000000000L,
9: 0x100000000000000L,
10: 0x8000000000000000L
}
for i in xrange(128):
self.assertEquals(1, len(encode_one(i)))
for size, value in sizes.items():
self.assertEquals(size - 1, len(encode_one(value - 1)))
self.assertEquals(size, len(encode_one(value)))
def test_encode_decode_one(self):
for i in xrange(2048):
self.assertEquals(i, decode_one(encode_one(i)))
def test_encode_negative(self):
# numbers 0..127 get encoded as a single byte
with self.assertRaises(ValueError):
encode_one(-1)
def test_encode_one(self):
# numbers 0..127 get encoded as a single byte
for i in xrange(128):
self.assertEquals(chr(i), encode_one(i))