summaryrefslogtreecommitdiffstats
path: root/vendor/fnv/lib.rs
blob: 25dd6d5b0d9219ef9a7315c22785586cd1c6d451 (plain)
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
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
//! An implementation of the [Fowler–Noll–Vo hash function][chongo].
//!
//! ## About
//!
//! The FNV hash function is a custom `Hasher` implementation that is more
//! efficient for smaller hash keys.
//!
//! [The Rust FAQ states that][faq] while the default `Hasher` implementation,
//! SipHash, is good in many cases, it is notably slower than other algorithms
//! with short keys, such as when you have a map of integers to other values.
//! In cases like these, [FNV is demonstrably faster][graphs].
//!
//! Its disadvantages are that it performs badly on larger inputs, and
//! provides no protection against collision attacks, where a malicious user
//! can craft specific keys designed to slow a hasher down. Thus, it is
//! important to profile your program to ensure that you are using small hash
//! keys, and be certain that your program could not be exposed to malicious
//! inputs (including being a networked server).
//!
//! The Rust compiler itself uses FNV, as it is not worried about
//! denial-of-service attacks, and can assume that its inputs are going to be
//! small—a perfect use case for FNV.
//!
#![cfg_attr(feature = "std", doc = r#"

## Using FNV in a `HashMap`

The `FnvHashMap` type alias is the easiest way to use the standard library’s
`HashMap` with FNV.

```rust
use fnv::FnvHashMap;

let mut map = FnvHashMap::default();
map.insert(1, "one");
map.insert(2, "two");

map = FnvHashMap::with_capacity_and_hasher(10, Default::default());
map.insert(1, "one");
map.insert(2, "two");
```

Note, the standard library’s `HashMap::new` and `HashMap::with_capacity`
are only implemented for the `RandomState` hasher, so using `Default` to
get the hasher is the next best option.

## Using FNV in a `HashSet`

Similarly, `FnvHashSet` is a type alias for the standard library’s `HashSet`
with FNV.

```rust
use fnv::FnvHashSet;

let mut set = FnvHashSet::default();
set.insert(1);
set.insert(2);

set = FnvHashSet::with_capacity_and_hasher(10, Default::default());
set.insert(1);
set.insert(2);
```
"#)]
//!
//! [chongo]: http://www.isthe.com/chongo/tech/comp/fnv/index.html
//! [faq]: https://www.rust-lang.org/en-US/faq.html#why-are-rusts-hashmaps-slow
//! [graphs]: https://cglab.ca/~abeinges/blah/hash-rs/

#![cfg_attr(not(feature = "std"), no_std)]

#[cfg(all(not(feature = "std"), test))]
extern crate alloc;

#[cfg(feature = "std")]
use std::default::Default;
#[cfg(feature = "std")]
use std::hash::{Hasher, BuildHasherDefault};
#[cfg(feature = "std")]
use std::collections::{HashMap, HashSet};
#[cfg(not(feature = "std"))]
use core::default::Default;
#[cfg(not(feature = "std"))]
use core::hash::{Hasher, BuildHasherDefault};

/// An implementation of the Fowler–Noll–Vo hash function.
///
/// See the [crate documentation](index.html) for more details.
#[allow(missing_copy_implementations)]
pub struct FnvHasher(u64);

impl Default for FnvHasher {

    #[inline]
    fn default() -> FnvHasher {
        FnvHasher(0xcbf29ce484222325)
    }
}

impl FnvHasher {
    /// Create an FNV hasher starting with a state corresponding
    /// to the hash `key`.
    #[inline]
    pub fn with_key(key: u64) -> FnvHasher {
        FnvHasher(key)
    }
}

impl Hasher for FnvHasher {
    #[inline]
    fn finish(&self) -> u64 {
        self.0
    }

    #[inline]
    fn write(&mut self, bytes: &[u8]) {
        let FnvHasher(mut hash) = *self;

        for byte in bytes.iter() {
            hash = hash ^ (*byte as u64);
            hash = hash.wrapping_mul(0x100000001b3);
        }

        *self = FnvHasher(hash);
    }
}

/// A builder for default FNV hashers.
pub type FnvBuildHasher = BuildHasherDefault<FnvHasher>;

/// A `HashMap` using a default FNV hasher.
#[cfg(feature = "std")]
pub type FnvHashMap<K, V> = HashMap<K, V, FnvBuildHasher>;

/// A `HashSet` using a default FNV hasher.
#[cfg(feature = "std")]
pub type FnvHashSet<T> = HashSet<T, FnvBuildHasher>;


#[cfg(test)]
mod test {
    use super::*;
    #[cfg(feature = "std")]
    use std::hash::Hasher;
    #[cfg(not(feature = "std"))]
    use alloc::vec::Vec;

    fn fnv1a(bytes: &[u8]) -> u64 {
        let mut hasher = FnvHasher::default();
        hasher.write(bytes);
        hasher.finish()
    }

    fn repeat_10(bytes: &[u8]) -> Vec<u8> {
        (0..10).flat_map(|_| bytes.iter().cloned()).collect()
    }

    fn repeat_500(bytes: &[u8]) -> Vec<u8> {
        (0..500).flat_map(|_| bytes.iter().cloned()).collect()
    }

    #[test]
    fn basic_tests() {
        assert_eq!(fnv1a(b""), 0xcbf29ce484222325);
        assert_eq!(fnv1a(b"a"), 0xaf63dc4c8601ec8c);
        assert_eq!(fnv1a(b"b"), 0xaf63df4c8601f1a5);
        assert_eq!(fnv1a(b"c"), 0xaf63de4c8601eff2);
        assert_eq!(fnv1a(b"d"), 0xaf63d94c8601e773);
        assert_eq!(fnv1a(b"e"), 0xaf63d84c8601e5c0);
        assert_eq!(fnv1a(b"f"), 0xaf63db4c8601ead9);
        assert_eq!(fnv1a(b"fo"), 0x08985907b541d342);
        assert_eq!(fnv1a(b"foo"), 0xdcb27518fed9d577);
        assert_eq!(fnv1a(b"foob"), 0xdd120e790c2512af);
        assert_eq!(fnv1a(b"fooba"), 0xcac165afa2fef40a);
        assert_eq!(fnv1a(b"foobar"), 0x85944171f73967e8);
        assert_eq!(fnv1a(b"\0"), 0xaf63bd4c8601b7df);
        assert_eq!(fnv1a(b"a\0"), 0x089be207b544f1e4);
        assert_eq!(fnv1a(b"b\0"), 0x08a61407b54d9b5f);
        assert_eq!(fnv1a(b"c\0"), 0x08a2ae07b54ab836);
        assert_eq!(fnv1a(b"d\0"), 0x0891b007b53c4869);
        assert_eq!(fnv1a(b"e\0"), 0x088e4a07b5396540);
        assert_eq!(fnv1a(b"f\0"), 0x08987c07b5420ebb);
        assert_eq!(fnv1a(b"fo\0"), 0xdcb28a18fed9f926);
        assert_eq!(fnv1a(b"foo\0"), 0xdd1270790c25b935);
        assert_eq!(fnv1a(b"foob\0"), 0xcac146afa2febf5d);
        assert_eq!(fnv1a(b"fooba\0"), 0x8593d371f738acfe);
        assert_eq!(fnv1a(b"foobar\0"), 0x34531ca7168b8f38);
        assert_eq!(fnv1a(b"ch"), 0x08a25607b54a22ae);
        assert_eq!(fnv1a(b"cho"), 0xf5faf0190cf90df3);
        assert_eq!(fnv1a(b"chon"), 0xf27397910b3221c7);
        assert_eq!(fnv1a(b"chong"), 0x2c8c2b76062f22e0);
        assert_eq!(fnv1a(b"chongo"), 0xe150688c8217b8fd);
        assert_eq!(fnv1a(b"chongo "), 0xf35a83c10e4f1f87);
        assert_eq!(fnv1a(b"chongo w"), 0xd1edd10b507344d0);
        assert_eq!(fnv1a(b"chongo wa"), 0x2a5ee739b3ddb8c3);
        assert_eq!(fnv1a(b"chongo was"), 0xdcfb970ca1c0d310);
        assert_eq!(fnv1a(b"chongo was "), 0x4054da76daa6da90);
        assert_eq!(fnv1a(b"chongo was h"), 0xf70a2ff589861368);
        assert_eq!(fnv1a(b"chongo was he"), 0x4c628b38aed25f17);
        assert_eq!(fnv1a(b"chongo was her"), 0x9dd1f6510f78189f);
        assert_eq!(fnv1a(b"chongo was here"), 0xa3de85bd491270ce);
        assert_eq!(fnv1a(b"chongo was here!"), 0x858e2fa32a55e61d);
        assert_eq!(fnv1a(b"chongo was here!\n"), 0x46810940eff5f915);
        assert_eq!(fnv1a(b"ch\0"), 0xf5fadd190cf8edaa);
        assert_eq!(fnv1a(b"cho\0"), 0xf273ed910b32b3e9);
        assert_eq!(fnv1a(b"chon\0"), 0x2c8c5276062f6525);
        assert_eq!(fnv1a(b"chong\0"), 0xe150b98c821842a0);
        assert_eq!(fnv1a(b"chongo\0"), 0xf35aa3c10e4f55e7);
        assert_eq!(fnv1a(b"chongo \0"), 0xd1ed680b50729265);
        assert_eq!(fnv1a(b"chongo w\0"), 0x2a5f0639b3dded70);
        assert_eq!(fnv1a(b"chongo wa\0"), 0xdcfbaa0ca1c0f359);
        assert_eq!(fnv1a(b"chongo was\0"), 0x4054ba76daa6a430);
        assert_eq!(fnv1a(b"chongo was \0"), 0xf709c7f5898562b0);
        assert_eq!(fnv1a(b"chongo was h\0"), 0x4c62e638aed2f9b8);
        assert_eq!(fnv1a(b"chongo was he\0"), 0x9dd1a8510f779415);
        assert_eq!(fnv1a(b"chongo was her\0"), 0xa3de2abd4911d62d);
        assert_eq!(fnv1a(b"chongo was here\0"), 0x858e0ea32a55ae0a);
        assert_eq!(fnv1a(b"chongo was here!\0"), 0x46810f40eff60347);
        assert_eq!(fnv1a(b"chongo was here!\n\0"), 0xc33bce57bef63eaf);
        assert_eq!(fnv1a(b"cu"), 0x08a24307b54a0265);
        assert_eq!(fnv1a(b"cur"), 0xf5b9fd190cc18d15);
        assert_eq!(fnv1a(b"curd"), 0x4c968290ace35703);
        assert_eq!(fnv1a(b"curds"), 0x07174bd5c64d9350);
        assert_eq!(fnv1a(b"curds "), 0x5a294c3ff5d18750);
        assert_eq!(fnv1a(b"curds a"), 0x05b3c1aeb308b843);
        assert_eq!(fnv1a(b"curds an"), 0xb92a48da37d0f477);
        assert_eq!(fnv1a(b"curds and"), 0x73cdddccd80ebc49);
        assert_eq!(fnv1a(b"curds and "), 0xd58c4c13210a266b);
        assert_eq!(fnv1a(b"curds and w"), 0xe78b6081243ec194);
        assert_eq!(fnv1a(b"curds and wh"), 0xb096f77096a39f34);
        assert_eq!(fnv1a(b"curds and whe"), 0xb425c54ff807b6a3);
        assert_eq!(fnv1a(b"curds and whey"), 0x23e520e2751bb46e);
        assert_eq!(fnv1a(b"curds and whey\n"), 0x1a0b44ccfe1385ec);
        assert_eq!(fnv1a(b"cu\0"), 0xf5ba4b190cc2119f);
        assert_eq!(fnv1a(b"cur\0"), 0x4c962690ace2baaf);
        assert_eq!(fnv1a(b"curd\0"), 0x0716ded5c64cda19);
        assert_eq!(fnv1a(b"curds\0"), 0x5a292c3ff5d150f0);
        assert_eq!(fnv1a(b"curds \0"), 0x05b3e0aeb308ecf0);
        assert_eq!(fnv1a(b"curds a\0"), 0xb92a5eda37d119d9);
        assert_eq!(fnv1a(b"curds an\0"), 0x73ce41ccd80f6635);
        assert_eq!(fnv1a(b"curds and\0"), 0xd58c2c132109f00b);
        assert_eq!(fnv1a(b"curds and \0"), 0xe78baf81243f47d1);
        assert_eq!(fnv1a(b"curds and w\0"), 0xb0968f7096a2ee7c);
        assert_eq!(fnv1a(b"curds and wh\0"), 0xb425a84ff807855c);
        assert_eq!(fnv1a(b"curds and whe\0"), 0x23e4e9e2751b56f9);
        assert_eq!(fnv1a(b"curds and whey\0"), 0x1a0b4eccfe1396ea);
        assert_eq!(fnv1a(b"curds and whey\n\0"), 0x54abd453bb2c9004);
        assert_eq!(fnv1a(b"hi"), 0x08ba5f07b55ec3da);
        assert_eq!(fnv1a(b"hi\0"), 0x337354193006cb6e);
        assert_eq!(fnv1a(b"hello"), 0xa430d84680aabd0b);
        assert_eq!(fnv1a(b"hello\0"), 0xa9bc8acca21f39b1);
        assert_eq!(fnv1a(b"\xff\x00\x00\x01"), 0x6961196491cc682d);
        assert_eq!(fnv1a(b"\x01\x00\x00\xff"), 0xad2bb1774799dfe9);
        assert_eq!(fnv1a(b"\xff\x00\x00\x02"), 0x6961166491cc6314);
        assert_eq!(fnv1a(b"\x02\x00\x00\xff"), 0x8d1bb3904a3b1236);
        assert_eq!(fnv1a(b"\xff\x00\x00\x03"), 0x6961176491cc64c7);
        assert_eq!(fnv1a(b"\x03\x00\x00\xff"), 0xed205d87f40434c7);
        assert_eq!(fnv1a(b"\xff\x00\x00\x04"), 0x6961146491cc5fae);
        assert_eq!(fnv1a(b"\x04\x00\x00\xff"), 0xcd3baf5e44f8ad9c);
        assert_eq!(fnv1a(b"\x40\x51\x4e\x44"), 0xe3b36596127cd6d8);
        assert_eq!(fnv1a(b"\x44\x4e\x51\x40"), 0xf77f1072c8e8a646);
        assert_eq!(fnv1a(b"\x40\x51\x4e\x4a"), 0xe3b36396127cd372);
        assert_eq!(fnv1a(b"\x4a\x4e\x51\x40"), 0x6067dce9932ad458);
        assert_eq!(fnv1a(b"\x40\x51\x4e\x54"), 0xe3b37596127cf208);
        assert_eq!(fnv1a(b"\x54\x4e\x51\x40"), 0x4b7b10fa9fe83936);
        assert_eq!(fnv1a(b"127.0.0.1"), 0xaabafe7104d914be);
        assert_eq!(fnv1a(b"127.0.0.1\0"), 0xf4d3180b3cde3eda);
        assert_eq!(fnv1a(b"127.0.0.2"), 0xaabafd7104d9130b);
        assert_eq!(fnv1a(b"127.0.0.2\0"), 0xf4cfb20b3cdb5bb1);
        assert_eq!(fnv1a(b"127.0.0.3"), 0xaabafc7104d91158);
        assert_eq!(fnv1a(b"127.0.0.3\0"), 0xf4cc4c0b3cd87888);
        assert_eq!(fnv1a(b"64.81.78.68"), 0xe729bac5d2a8d3a7);
        assert_eq!(fnv1a(b"64.81.78.68\0"), 0x74bc0524f4dfa4c5);
        assert_eq!(fnv1a(b"64.81.78.74"), 0xe72630c5d2a5b352);
        assert_eq!(fnv1a(b"64.81.78.74\0"), 0x6b983224ef8fb456);
        assert_eq!(fnv1a(b"64.81.78.84"), 0xe73042c5d2ae266d);
        assert_eq!(fnv1a(b"64.81.78.84\0"), 0x8527e324fdeb4b37);
        assert_eq!(fnv1a(b"feedface"), 0x0a83c86fee952abc);
        assert_eq!(fnv1a(b"feedface\0"), 0x7318523267779d74);
        assert_eq!(fnv1a(b"feedfacedaffdeed"), 0x3e66d3d56b8caca1);
        assert_eq!(fnv1a(b"feedfacedaffdeed\0"), 0x956694a5c0095593);
        assert_eq!(fnv1a(b"feedfacedeadbeef"), 0xcac54572bb1a6fc8);
        assert_eq!(fnv1a(b"feedfacedeadbeef\0"), 0xa7a4c9f3edebf0d8);
        assert_eq!(fnv1a(b"line 1\nline 2\nline 3"), 0x7829851fac17b143);
        assert_eq!(fnv1a(b"chongo <Landon Curt Noll> /\\../\\"), 0x2c8f4c9af81bcf06);
        assert_eq!(fnv1a(b"chongo <Landon Curt Noll> /\\../\\\0"), 0xd34e31539740c732);
        assert_eq!(fnv1a(b"chongo (Landon Curt Noll) /\\../\\"), 0x3605a2ac253d2db1);
        assert_eq!(fnv1a(b"chongo (Landon Curt Noll) /\\../\\\0"), 0x08c11b8346f4a3c3);
        assert_eq!(fnv1a(b"http://antwrp.gsfc.nasa.gov/apod/astropix.html"), 0x6be396289ce8a6da);
        assert_eq!(fnv1a(b"http://en.wikipedia.org/wiki/Fowler_Noll_Vo_hash"), 0xd9b957fb7fe794c5);
        assert_eq!(fnv1a(b"http://epod.usra.edu/"), 0x05be33da04560a93);
        assert_eq!(fnv1a(b"http://exoplanet.eu/"), 0x0957f1577ba9747c);
        assert_eq!(fnv1a(b"http://hvo.wr.usgs.gov/cam3/"), 0xda2cc3acc24fba57);
        assert_eq!(fnv1a(b"http://hvo.wr.usgs.gov/cams/HMcam/"), 0x74136f185b29e7f0);
        assert_eq!(fnv1a(b"http://hvo.wr.usgs.gov/kilauea/update/deformation.html"), 0xb2f2b4590edb93b2);
        assert_eq!(fnv1a(b"http://hvo.wr.usgs.gov/kilauea/update/images.html"), 0xb3608fce8b86ae04);
        assert_eq!(fnv1a(b"http://hvo.wr.usgs.gov/kilauea/update/maps.html"), 0x4a3a865079359063);
        assert_eq!(fnv1a(b"http://hvo.wr.usgs.gov/volcanowatch/current_issue.html"), 0x5b3a7ef496880a50);
        assert_eq!(fnv1a(b"http://neo.jpl.nasa.gov/risk/"), 0x48fae3163854c23b);
        assert_eq!(fnv1a(b"http://norvig.com/21-days.html"), 0x07aaa640476e0b9a);
        assert_eq!(fnv1a(b"http://primes.utm.edu/curios/home.php"), 0x2f653656383a687d);
        assert_eq!(fnv1a(b"http://slashdot.org/"), 0xa1031f8e7599d79c);
        assert_eq!(fnv1a(b"http://tux.wr.usgs.gov/Maps/155.25-19.5.html"), 0xa31908178ff92477);
        assert_eq!(fnv1a(b"http://volcano.wr.usgs.gov/kilaueastatus.php"), 0x097edf3c14c3fb83);
        assert_eq!(fnv1a(b"http://www.avo.alaska.edu/activity/Redoubt.php"), 0xb51ca83feaa0971b);
        assert_eq!(fnv1a(b"http://www.dilbert.com/fast/"), 0xdd3c0d96d784f2e9);
        assert_eq!(fnv1a(b"http://www.fourmilab.ch/gravitation/orbits/"), 0x86cd26a9ea767d78);
        assert_eq!(fnv1a(b"http://www.fpoa.net/"), 0xe6b215ff54a30c18);
        assert_eq!(fnv1a(b"http://www.ioccc.org/index.html"), 0xec5b06a1c5531093);
        assert_eq!(fnv1a(b"http://www.isthe.com/cgi-bin/number.cgi"), 0x45665a929f9ec5e5);
        assert_eq!(fnv1a(b"http://www.isthe.com/chongo/bio.html"), 0x8c7609b4a9f10907);
        assert_eq!(fnv1a(b"http://www.isthe.com/chongo/index.html"), 0x89aac3a491f0d729);
        assert_eq!(fnv1a(b"http://www.isthe.com/chongo/src/calc/lucas-calc"), 0x32ce6b26e0f4a403);
        assert_eq!(fnv1a(b"http://www.isthe.com/chongo/tech/astro/venus2004.html"), 0x614ab44e02b53e01);
        assert_eq!(fnv1a(b"http://www.isthe.com/chongo/tech/astro/vita.html"), 0xfa6472eb6eef3290);
        assert_eq!(fnv1a(b"http://www.isthe.com/chongo/tech/comp/c/expert.html"), 0x9e5d75eb1948eb6a);
        assert_eq!(fnv1a(b"http://www.isthe.com/chongo/tech/comp/calc/index.html"), 0xb6d12ad4a8671852);
        assert_eq!(fnv1a(b"http://www.isthe.com/chongo/tech/comp/fnv/index.html"), 0x88826f56eba07af1);
        assert_eq!(fnv1a(b"http://www.isthe.com/chongo/tech/math/number/howhigh.html"), 0x44535bf2645bc0fd);
        assert_eq!(fnv1a(b"http://www.isthe.com/chongo/tech/math/number/number.html"), 0x169388ffc21e3728);
        assert_eq!(fnv1a(b"http://www.isthe.com/chongo/tech/math/prime/mersenne.html"), 0xf68aac9e396d8224);
        assert_eq!(fnv1a(b"http://www.isthe.com/chongo/tech/math/prime/mersenne.html#largest"), 0x8e87d7e7472b3883);
        assert_eq!(fnv1a(b"http://www.lavarnd.org/cgi-bin/corpspeak.cgi"), 0x295c26caa8b423de);
        assert_eq!(fnv1a(b"http://www.lavarnd.org/cgi-bin/haiku.cgi"), 0x322c814292e72176);
        assert_eq!(fnv1a(b"http://www.lavarnd.org/cgi-bin/rand-none.cgi"), 0x8a06550eb8af7268);
        assert_eq!(fnv1a(b"http://www.lavarnd.org/cgi-bin/randdist.cgi"), 0xef86d60e661bcf71);
        assert_eq!(fnv1a(b"http://www.lavarnd.org/index.html"), 0x9e5426c87f30ee54);
        assert_eq!(fnv1a(b"http://www.lavarnd.org/what/nist-test.html"), 0xf1ea8aa826fd047e);
        assert_eq!(fnv1a(b"http://www.macosxhints.com/"), 0x0babaf9a642cb769);
        assert_eq!(fnv1a(b"http://www.mellis.com/"), 0x4b3341d4068d012e);
        assert_eq!(fnv1a(b"http://www.nature.nps.gov/air/webcams/parks/havoso2alert/havoalert.cfm"), 0xd15605cbc30a335c);
        assert_eq!(fnv1a(b"http://www.nature.nps.gov/air/webcams/parks/havoso2alert/timelines_24.cfm"), 0x5b21060aed8412e5);
        assert_eq!(fnv1a(b"http://www.paulnoll.com/"), 0x45e2cda1ce6f4227);
        assert_eq!(fnv1a(b"http://www.pepysdiary.com/"), 0x50ae3745033ad7d4);
        assert_eq!(fnv1a(b"http://www.sciencenews.org/index/home/activity/view"), 0xaa4588ced46bf414);
        assert_eq!(fnv1a(b"http://www.skyandtelescope.com/"), 0xc1b0056c4a95467e);
        assert_eq!(fnv1a(b"http://www.sput.nl/~rob/sirius.html"), 0x56576a71de8b4089);
        assert_eq!(fnv1a(b"http://www.systemexperts.com/"), 0xbf20965fa6dc927e);
        assert_eq!(fnv1a(b"http://www.tq-international.com/phpBB3/index.php"), 0x569f8383c2040882);
        assert_eq!(fnv1a(b"http://www.travelquesttours.com/index.htm"), 0xe1e772fba08feca0);
        assert_eq!(fnv1a(b"http://www.wunderground.com/global/stations/89606.html"), 0x4ced94af97138ac4);
        assert_eq!(fnv1a(&repeat_10(b"21701")), 0xc4112ffb337a82fb);
        assert_eq!(fnv1a(&repeat_10(b"M21701")), 0xd64a4fd41de38b7d);
        assert_eq!(fnv1a(&repeat_10(b"2^21701-1")), 0x4cfc32329edebcbb);
        assert_eq!(fnv1a(&repeat_10(b"\x54\xc5")), 0x0803564445050395);
        assert_eq!(fnv1a(&repeat_10(b"\xc5\x54")), 0xaa1574ecf4642ffd);
        assert_eq!(fnv1a(&repeat_10(b"23209")), 0x694bc4e54cc315f9);
        assert_eq!(fnv1a(&repeat_10(b"M23209")), 0xa3d7cb273b011721);
        assert_eq!(fnv1a(&repeat_10(b"2^23209-1")), 0x577c2f8b6115bfa5);
        assert_eq!(fnv1a(&repeat_10(b"\x5a\xa9")), 0xb7ec8c1a769fb4c1);
        assert_eq!(fnv1a(&repeat_10(b"\xa9\x5a")), 0x5d5cfce63359ab19);
        assert_eq!(fnv1a(&repeat_10(b"391581216093")), 0x33b96c3cd65b5f71);
        assert_eq!(fnv1a(&repeat_10(b"391581*2^216093-1")), 0xd845097780602bb9);
        assert_eq!(fnv1a(&repeat_10(b"\x05\xf9\x9d\x03\x4c\x81")), 0x84d47645d02da3d5);
        assert_eq!(fnv1a(&repeat_10(b"FEDCBA9876543210")), 0x83544f33b58773a5);
        assert_eq!(fnv1a(&repeat_10(b"\xfe\xdc\xba\x98\x76\x54\x32\x10")), 0x9175cbb2160836c5);
        assert_eq!(fnv1a(&repeat_10(b"EFCDAB8967452301")), 0xc71b3bc175e72bc5);
        assert_eq!(fnv1a(&repeat_10(b"\xef\xcd\xab\x89\x67\x45\x23\x01")), 0x636806ac222ec985);
        assert_eq!(fnv1a(&repeat_10(b"0123456789ABCDEF")), 0xb6ef0e6950f52ed5);
        assert_eq!(fnv1a(&repeat_10(b"\x01\x23\x45\x67\x89\xab\xcd\xef")), 0xead3d8a0f3dfdaa5);
        assert_eq!(fnv1a(&repeat_10(b"1032547698BADCFE")), 0x922908fe9a861ba5);
        assert_eq!(fnv1a(&repeat_10(b"\x10\x32\x54\x76\x98\xba\xdc\xfe")), 0x6d4821de275fd5c5);
        assert_eq!(fnv1a(&repeat_500(b"\x00")), 0x1fe3fce62bd816b5);
        assert_eq!(fnv1a(&repeat_500(b"\x07")), 0xc23e9fccd6f70591);
        assert_eq!(fnv1a(&repeat_500(b"~")), 0xc1af12bdfe16b5b5);
        assert_eq!(fnv1a(&repeat_500(b"\x7f")), 0x39e9f18f2f85e221);
    }
}