1 package chainhash
2 3 import (
4 "fmt"
5 "testing"
6 )
7 8 // TestHashFuncs ensures the hash functions which perform hash(b) work as expected.
9 func TestHashFuncs(t *testing.T) {
10 tests := []struct {
11 out string
12 in string
13 }{
14 {"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855", ""},
15 {"ca978112ca1bbdcafac231b39a23dc4da786eff8147c4e72b9807785afee48bb", "a"},
16 {"fb8e20fc2e4c3f248c60c39bd652f3c1347298bb977b8b4d5903b85055620603", "ab"},
17 {"ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad", "abc"},
18 {"88d4266fd4e6338d13b845fcf289579d209c897823b9217da3e161936f031589", "abcd"},
19 {"36bbe50ed96841d10443bcb670d6554f0a34b761be67ec9c4a8ad2c0c44ca42c", "abcde"},
20 {"bef57ec7f53a6d40beb640a780a639c83bc29ac8a9816f1fc6c5c6dcd93c4721", "abcdef"},
21 {"7d1a54127b222502f5b79b5fb0803061152a44f92b37e23c6527baf665d4da9a", "abcdefg"},
22 {"9c56cc51b374c3ba189210d5b6d4bf57790d351c96c47c02190ecf1e430635ab", "abcdefgh"},
23 {"19cc02f26df43cc571bc9ed7b0c4d29224a3ec229529221725ef76d021c8326f", "abcdefghi"},
24 {"72399361da6a7754fec986dca5b7cbaf1c810a28ded4abaf56b2106d06cb78b0", "abcdefghij"},
25 {"a144061c271f152da4d151034508fed1c138b8c976339de229c3bb6d4bbb4fce",
26 "Discard medicine more than two years old.",
27 },
28 {"6dae5caa713a10ad04b46028bf6dad68837c581616a1589a265a11288d4bb5c4",
29 "He who has a shady past knows that nice guys finish last.",
30 },
31 {"ae7a702a9509039ddbf29f0765e70d0001177914b86459284dab8b348c2dce3f",
32 "I wouldn't marry him with a ten foot pole.",
33 },
34 {"6748450b01c568586715291dfa3ee018da07d36bb7ea6f180c1af6270215c64f",
35 "Free! Free!/A trip/to Mars/for 900/empty jars/Burma Shave",
36 },
37 {"14b82014ad2b11f661b5ae6a99b75105c2ffac278cd071cd6c05832793635774",
38 "The days of the digital watch are numbered. -Tom Stoppard",
39 },
40 {"7102cfd76e2e324889eece5d6c41921b1e142a4ac5a2692be78803097f6a48d8", "Nepal premier won't resign."},
41 {"23b1018cd81db1d67983c5f7417c44da9deb582459e378d7a068552ea649dc9f",
42 "For every action there is an equal and opposite government program.",
43 },
44 {"8001f190dfb527261c4cfcab70c98e8097a7a1922129bc4096950e57c7999a5a",
45 "His money is twice tainted: 'taint yours and 'taint mine.",
46 },
47 {"8c87deb65505c3993eb24b7a150c4155e82eee6960cf0c3a8114ff736d69cad5",
48 "There is no reason for any individual to have a computer in their home. -Ken Olsen, 1977",
49 },
50 {"bfb0a67a19cdec3646498b2e0f751bddc41bba4b7f30081b0b932aad214d16d7",
51 "It's a tiny change to the code and not completely disgusting. - Bob Manchek",
52 },
53 {"7f9a0b9bf56332e19f5a0ec1ad9c1425a153da1c624868fda44561d6b74daf36", "size: a.out: bad magic"},
54 {"b13f81b8aad9e3666879af19886140904f7f429ef083286195982a7588858cfc",
55 "The major problem is with sendmail. -Mark Horton",
56 },
57 {"b26c38d61519e894480c70c8374ea35aa0ad05b2ae3d6674eec5f52a69305ed4",
58 "Give me a rock, paper and scissors and I will move the world. CCFestoon",
59 },
60 {"049d5e26d4f10222cd841a119e38bd8d2e0d1129728688449575d4ff42b842c1",
61 "If the enemy is within range, then so are you.",
62 },
63 {"0e116838e3cc1c1a14cd045397e29b4d087aa11b0853fc69ec82e90330d60949",
64 "It's well we cannot hear the screams/That we create in others' dreams.",
65 },
66 {"4f7d8eb5bcf11de2a56b971021a444aa4eafd6ecd0f307b5109e4e776cd0fe46",
67 "You remind me of a TV show, but that's all right: I watch it anyway.",
68 },
69 {"61c0cc4c4bd8406d5120b3fb4ebc31ce87667c162f29468b3c779675a85aebce", "C is as portable as Stonehedge!!"},
70 {"1fb2eb3688093c4a3f80cd87a5547e2ce940a4f923243a79a2a1e242220693ac",
71 "Even if I could be Shakespeare, I think I should still choose to be Faraday. - A. Huxley",
72 },
73 {"395585ce30617b62c80b93e8208ce866d4edc811a177fdb4b82d3911d8696423",
74 "The fugacity of a constituent in a mixture of gases at a given temperature is proportional to its mole fraction. Lewis-Randall Rule",
75 },
76 {"4f9b189a13d030838269dce846b16a1ce9ce81fe63e65de2f636863336a98fe6",
77 "How can you write a big system without C++? -Paul Glick",
78 },
79 }
80 // Ensure the hash function which returns a byte slice returns the expected result.
81 for _, test := range tests {
82 h := fmt.Sprintf("%x", HashB([]byte(test.in)))
83 if h != test.out {
84 t.Errorf("HashB(%q) = %s, want %s", test.in, h, test.out)
85 continue
86 }
87 }
88 // Ensure the hash function which returns a Hash returns the expected result.
89 for _, test := range tests {
90 hash := HashH([]byte(test.in))
91 h := fmt.Sprintf("%x", hash[:])
92 if h != test.out {
93 t.Errorf("HashH(%q) = %s, want %s", test.in, h, test.out)
94 continue
95 }
96 }
97 }
98 99 // TestDoubleHashFuncs ensures the hash functions which perform hash(hash(b)) work as expected.
100 func TestDoubleHashFuncs(t *testing.T) {
101 tests := []struct {
102 out string
103 in string
104 }{
105 {"5df6e0e2761359d30a8275058e299fcc0381534545f55cf43e41983f5d4c9456", ""},
106 {"bf5d3affb73efd2ec6c36ad3112dd933efed63c4e1cbffcfa88e2759c144f2d8", "a"},
107 {"a1ff8f1856b5e24e32e3882edd4a021f48f28a8b21854b77fdef25a97601aace", "ab"},
108 {"4f8b42c22dd3729b519ba6f68d2da7cc5b2d606d05daed5ad5128cc03e6c6358", "abc"},
109 {"7e9c158ecd919fa439a7a214c9fc58b85c3177fb1613bdae41ee695060e11bc6", "abcd"},
110 {"1d72b6eb7ba8b9709c790b33b40d8c46211958e13cf85dbcda0ed201a99f2fb9", "abcde"},
111 {"ce65d4756128f0035cba4d8d7fae4e9fa93cf7fdf12c0f83ee4a0e84064bef8a", "abcdef"},
112 {"dad6b965ad86b880ceb6993f98ebeeb242de39f6b87a458c6510b5a15ff7bbf1", "abcdefg"},
113 {"b9b12e7125f73fda20b8c4161fb9b4b146c34cf88595a1e0503ca2cf44c86bc4", "abcdefgh"},
114 {"546db09160636e98405fbec8464a84b6464b32514db259e235eae0445346ffb7", "abcdefghi"},
115 {"27635cf23fdf8a10f4cb2c52ade13038c38718c6d7ca716bfe726111a57ad201", "abcdefghij"},
116 {"ae0d8e0e7c0336f0c3a72cefa4f24b625a6a460417a921d066058a0b81e23429",
117 "Discard medicine more than two years old.",
118 },
119 {"eeb56d02cf638f87ea8f11ebd5b0201afcece984d87be458578d3cfb51978f1b",
120 "He who has a shady past knows that nice guys finish last.",
121 },
122 {"dc640bf529608a381ea7065ecbcd0443b95f6e4c008de6e134aff1d36bd4b9d8",
123 "I wouldn't marry him with a ten foot pole.",
124 },
125 {"42e54375e60535eb07fc15c6350e10f2c22526f84db1d6f6bba925e154486f33",
126 "Free! Free!/A trip/to Mars/for 900/empty jars/Burma Shave",
127 },
128 {"4ed6aa9b88c84afbf928710b03714de69e2ad967c6a78586069adcb4c470d150",
129 "The days of the digital watch are numbered. -Tom Stoppard",
130 },
131 {"590c24d1877c1919fad12fe01a8796999e9d20cfbf9bc9bc72fa0bd69f0b04dd", "Nepal premier won't resign."},
132 {"37d270687ee8ebafcd3c1a32f56e1e1304b3c93f252cb637d57a66d59c475eca",
133 "For every action there is an equal and opposite government program.",
134 },
135 {"306828fd89278838bb1c544c3032a1fd25ea65c40bba586437568828a5fbe944",
136 "His money is twice tainted: 'taint yours and 'taint mine.",
137 },
138 {"49965777eac71faf1e2fb0f6b239ba2fae770977940fd827bcbfe15def6ded53",
139 "There is no reason for any individual to have a computer in their home. -Ken Olsen, 1977",
140 },
141 {"df99ee4e87dd3fb07922dee7735997bbae8f26db20c86137d4219fc4a37b77c3",
142 "It's a tiny change to the code and not completely disgusting. - Bob Manchek",
143 },
144 {"920667c84a15b5ee3df4620169f5c0ec930cea0c580858e50e68848871ed65b4", "size: a.out: bad magic"},
145 {"5e817fe20848a4a3932db68e90f8d54ec1b09603f0c99fdc051892b776acd462",
146 "The major problem is with sendmail. -Mark Horton",
147 },
148 {"6a9d47248ed38852f5f4b2e37e7dfad0ce8d1da86b280feef94ef267e468cff2",
149 "Give me a rock, paper and scissors and I will move the world. CCFestoon",
150 },
151 {"2e7aa1b362c94efdbff582a8bd3f7f61c8ce4c25bbde658ef1a7ae1010e2126f",
152 "If the enemy is within range, then so are you.",
153 },
154 {"e6729d51240b1e1da76d822fd0c55c75e409bcb525674af21acae1f11667c8ca",
155 "It's well we cannot hear the screams/That we create in others' dreams.",
156 },
157 {"09945e4d2743eb669f85e4097aa1cc39ea680a0b2ae2a65a42a5742b3b809610",
158 "You remind me of a TV show, but that's all right: I watch it anyway.",
159 },
160 {"1018d8b2870a974887c5174360f0fbaf27958eef15b24522a605c5dae4ae0845", "C is as portable as Stonehedge!!"},
161 {"97c76b83c6645c78c261dcdc55d44af02d9f1df8057f997fd08c310c903624d5",
162 "Even if I could be Shakespeare, I think I should still choose to be Faraday. - A. Huxley",
163 },
164 {"6bcbf25469e9544c5b5806b24220554fedb6695ba9b1510a76837414f7adb113",
165 "The fugacity of a constituent in a mixture of gases at a given temperature is proportional to its mole fraction. Lewis-Randall Rule",
166 },
167 {"1041988b06835481f0845be2a54f4628e1da26145b2de7ad1be3bb643cef9d4f",
168 "How can you write a big system without C++? -Paul Glick",
169 },
170 }
171 // Ensure the hash function which returns a byte slice returns the expected result.
172 for _, test := range tests {
173 h := fmt.Sprintf("%x", DoubleHashB([]byte(test.in)))
174 if h != test.out {
175 t.Errorf("DoubleHashB(%q) = %s, want %s", test.in, h,
176 test.out,
177 )
178 continue
179 }
180 }
181 // Ensure the hash function which returns a Hash returns the expected result.
182 for _, test := range tests {
183 hash := DoubleHashH([]byte(test.in))
184 h := fmt.Sprintf("%x", hash[:])
185 if h != test.out {
186 t.Errorf("DoubleHashH(%q) = %s, want %s", test.in, h,
187 test.out,
188 )
189 continue
190 }
191 }
192 }
193