1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
|
import os
import unittest
import random
import xxhash
class TestXXH(unittest.TestCase):
def test_xxh64(self):
self.assertEqual(xxhash.xxh64('a').intdigest(), 15154266338359012955)
self.assertEqual(xxhash.xxh64('a', 0).intdigest(), 15154266338359012955)
self.assertEqual(xxhash.xxh64('a', 1).intdigest(), 16051599287423682246)
self.assertEqual(xxhash.xxh64('a', 2**64-1).intdigest(), 6972758980737027682)
def test_xxh64_intdigest(self):
self.assertEqual(xxhash.xxh64_intdigest('a'), 15154266338359012955)
self.assertEqual(xxhash.xxh64_intdigest('a', 0), 15154266338359012955)
self.assertEqual(xxhash.xxh64_intdigest('a', 1), 16051599287423682246)
self.assertEqual(xxhash.xxh64_intdigest('a', 2**64-1), 6972758980737027682)
def test_xxh64_update(self):
x = xxhash.xxh64()
x.update('a')
self.assertEqual(xxhash.xxh64('a').digest(), x.digest())
self.assertEqual(xxhash.xxh64_digest('a'), x.digest())
x.update('b')
self.assertEqual(xxhash.xxh64('ab').digest(), x.digest())
self.assertEqual(xxhash.xxh64_digest('ab'), x.digest())
x.update('c')
self.assertEqual(xxhash.xxh64('abc').digest(), x.digest())
self.assertEqual(xxhash.xxh64_digest('abc'), x.digest())
seed = random.randint(0, 2**64)
x = xxhash.xxh64(seed=seed)
x.update('a')
self.assertEqual(xxhash.xxh64('a', seed).digest(), x.digest())
self.assertEqual(xxhash.xxh64_digest('a', seed), x.digest())
x.update('b')
self.assertEqual(xxhash.xxh64('ab', seed).digest(), x.digest())
self.assertEqual(xxhash.xxh64_digest('ab', seed), x.digest())
x.update('c')
self.assertEqual(xxhash.xxh64('abc', seed).digest(), x.digest())
self.assertEqual(xxhash.xxh64_digest('abc', seed), x.digest())
def test_xxh64_reset(self):
x = xxhash.xxh64()
h = x.intdigest()
for i in range(10, 50):
x.update(os.urandom(i))
x.reset()
self.assertEqual(h, x.intdigest())
def test_xxh64_copy(self):
a = xxhash.xxh64()
a.update('xxhash')
b = a.copy()
self.assertEqual(a.digest(), b.digest())
self.assertEqual(a.intdigest(), b.intdigest())
self.assertEqual(a.hexdigest(), b.hexdigest())
b.update('xxhash')
self.assertNotEqual(a.digest(), b.digest())
self.assertNotEqual(a.intdigest(), b.intdigest())
self.assertNotEqual(a.hexdigest(), b.hexdigest())
a.update('xxhash')
self.assertEqual(a.digest(), b.digest())
self.assertEqual(a.intdigest(), b.intdigest())
self.assertEqual(a.hexdigest(), b.hexdigest())
def test_xxh64_overflow(self):
s = 'I want an unsigned 64-bit seed!'
a = xxhash.xxh64(s, seed=0)
b = xxhash.xxh64(s, seed=2**64)
self.assertEqual(a.seed, b.seed)
self.assertEqual(a.intdigest(), b.intdigest())
self.assertEqual(a.hexdigest(), b.hexdigest())
self.assertEqual(a.digest(), b.digest())
self.assertEqual(a.intdigest(), xxhash.xxh64_intdigest(s, seed=0))
self.assertEqual(a.intdigest(), xxhash.xxh64_intdigest(s, seed=2**64))
self.assertEqual(a.digest(), xxhash.xxh64_digest(s, seed=0))
self.assertEqual(a.digest(), xxhash.xxh64_digest(s, seed=2**64))
self.assertEqual(a.hexdigest(), xxhash.xxh64_hexdigest(s, seed=0))
self.assertEqual(a.hexdigest(), xxhash.xxh64_hexdigest(s, seed=2**64))
a = xxhash.xxh64(s, seed=1)
b = xxhash.xxh64(s, seed=2**64+1)
self.assertEqual(a.seed, b.seed)
self.assertEqual(a.intdigest(), b.intdigest())
self.assertEqual(a.hexdigest(), b.hexdigest())
self.assertEqual(a.digest(), b.digest())
self.assertEqual(a.intdigest(), xxhash.xxh64_intdigest(s, seed=1))
self.assertEqual(a.intdigest(), xxhash.xxh64_intdigest(s, seed=2**64+1))
self.assertEqual(a.digest(), xxhash.xxh64_digest(s, seed=1))
self.assertEqual(a.digest(), xxhash.xxh64_digest(s, seed=2**64+1))
self.assertEqual(a.hexdigest(), xxhash.xxh64_hexdigest(s, seed=1))
self.assertEqual(a.hexdigest(), xxhash.xxh64_hexdigest(s, seed=2**64+1))
a = xxhash.xxh64(s, seed=2**65-1)
b = xxhash.xxh64(s, seed=2**66-1)
self.assertEqual(a.seed, b.seed)
self.assertEqual(a.intdigest(), b.intdigest())
self.assertEqual(a.hexdigest(), b.hexdigest())
self.assertEqual(a.digest(), b.digest())
self.assertEqual(a.intdigest(), xxhash.xxh64_intdigest(s, seed=2**65-1))
self.assertEqual(a.intdigest(), xxhash.xxh64_intdigest(s, seed=2**66-1))
self.assertEqual(a.digest(), xxhash.xxh64_digest(s, seed=2**65-1))
self.assertEqual(a.digest(), xxhash.xxh64_digest(s, seed=2**66-1))
self.assertEqual(a.hexdigest(), xxhash.xxh64_hexdigest(s, seed=2**65-1))
self.assertEqual(a.hexdigest(), xxhash.xxh64_hexdigest(s, seed=2**66-1))
if __name__ == '__main__':
unittest.main()
|
