Abseil Common Libraries (C++) (grcp 依赖)
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593 lines
27 KiB
593 lines
27 KiB
// Copyright 2018 The Abseil Authors. |
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// |
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// Licensed under the Apache License, Version 2.0 (the "License"); |
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// you may not use this file except in compliance with the License. |
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// You may obtain a copy of the License at |
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// |
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// http://www.apache.org/licenses/LICENSE-2.0 |
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// |
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// Unless required by applicable law or agreed to in writing, software |
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// distributed under the License is distributed on an "AS IS" BASIS, |
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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// See the License for the specific language governing permissions and |
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// limitations under the License. |
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#include "absl/hash/internal/city.h" |
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#include <string.h> |
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#include <cstdio> |
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#include <iostream> |
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#include "gtest/gtest.h" |
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namespace absl { |
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namespace hash_internal { |
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static const uint64_t k0 = 0xc3a5c85c97cb3127ULL; |
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static const uint64_t kSeed0 = 1234567; |
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static const uint64_t kSeed1 = k0; |
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static const int kDataSize = 1 << 20; |
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static const int kTestSize = 300; |
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static char data[kDataSize]; |
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// Initialize data to pseudorandom values. |
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void setup() { |
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uint64_t a = 9; |
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uint64_t b = 777; |
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for (int i = 0; i < kDataSize; i++) { |
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a += b; |
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b += a; |
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a = (a ^ (a >> 41)) * k0; |
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b = (b ^ (b >> 41)) * k0 + i; |
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uint8_t u = b >> 37; |
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memcpy(data + i, &u, 1); // uint8_t -> char |
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} |
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} |
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#define C(x) 0x##x##ULL |
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static const uint64_t testdata[kTestSize][4] = { |
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{C(9ae16a3b2f90404f), C(75106db890237a4a), C(3feac5f636039766), |
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C(dc56d17a)}, |
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{C(541150e87f415e96), C(1aef0d24b3148a1a), C(bacc300e1e82345a), |
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C(99929334)}, |
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{C(f3786a4b25827c1), C(34ee1a2bf767bd1c), C(2f15ca2ebfb631f2), C(4252edb7)}, |
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{C(ef923a7a1af78eab), C(79163b1e1e9a9b18), C(df3b2aca6e1e4a30), |
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C(ebc34f3c)}, |
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{C(11df592596f41d88), C(843ec0bce9042f9c), C(cce2ea1e08b1eb30), |
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C(26f2b463)}, |
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{C(831f448bdc5600b3), C(62a24be3120a6919), C(1b44098a41e010da), |
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C(b042c047)}, |
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{C(3eca803e70304894), C(d80de767e4a920a), C(a51cfbb292efd53d), C(e73bb0a8)}, |
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{C(1b5a063fb4c7f9f1), C(318dbc24af66dee9), C(10ef7b32d5c719af), |
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C(91dfdd75)}, |
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{C(a0f10149a0e538d6), C(69d008c20f87419f), C(41b36376185b3e9e), |
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C(c87f95de)}, |
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{C(fb8d9c70660b910b), C(a45b0cc3476bff1b), C(b28d1996144f0207), |
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C(3f5538ef)}, |
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{C(236827beae282a46), C(e43970221139c946), C(4f3ac6faa837a3aa), |
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C(70eb1a1f)}, |
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{C(c385e435136ecf7c), C(d9d17368ff6c4a08), C(1b31eed4e5251a67), |
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C(cfd63b83)}, |
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{C(e3f6828b6017086d), C(21b4d1900554b3b0), C(bef38be1809e24f1), |
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C(894a52ef)}, |
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{C(851fff285561dca0), C(4d1277d73cdf416f), C(28ccffa61010ebe2), |
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C(9cde6a54)}, |
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{C(61152a63595a96d9), C(d1a3a91ef3a7ba45), C(443b6bb4a493ad0c), |
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C(6c4898d5)}, |
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{C(44473e03be306c88), C(30097761f872472a), C(9fd1b669bfad82d7), |
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C(13e1978e)}, |
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{C(3ead5f21d344056), C(fb6420393cfb05c3), C(407932394cbbd303), C(51b4ba8)}, |
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{C(6abbfde37ee03b5b), C(83febf188d2cc113), C(cda7b62d94d5b8ee), |
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C(b6b06e40)}, |
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{C(943e7ed63b3c080), C(1ef207e9444ef7f8), C(ef4a9f9f8c6f9b4a), C(240a2f2)}, |
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{C(d72ce05171ef8a1a), C(c6bd6bd869203894), C(c760e6396455d23a), |
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C(5dcefc30)}, |
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{C(4182832b52d63735), C(337097e123eea414), C(b5a72ca0456df910), |
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C(7a48b105)}, |
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{C(d6cdae892584a2cb), C(58de0fa4eca17dcd), C(43df30b8f5f1cb00), |
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C(fd55007b)}, |
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{C(5c8e90bc267c5ee4), C(e9ae044075d992d9), C(f234cbfd1f0a1e59), |
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C(6b95894c)}, |
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{C(bbd7f30ac310a6f3), C(b23b570d2666685f), C(fb13fb08c9814fe7), |
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C(3360e827)}, |
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{C(36a097aa49519d97), C(8204380a73c4065), C(77c2004bdd9e276a), C(45177e0b)}, |
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{C(dc78cb032c49217), C(112464083f83e03a), C(96ae53e28170c0f5), C(7c6fffe4)}, |
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{C(441593e0da922dfe), C(936ef46061469b32), C(204a1921197ddd87), |
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C(bbc78da4)}, |
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{C(2ba3883d71cc2133), C(72f2bbb32bed1a3c), C(27e1bd96d4843251), |
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C(c5c25d39)}, |
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{C(f2b6d2adf8423600), C(7514e2f016a48722), C(43045743a50396ba), |
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C(b6e5d06e)}, |
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{C(38fffe7f3680d63c), C(d513325255a7a6d1), C(31ed47790f6ca62f), |
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C(6178504e)}, |
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{C(b7477bf0b9ce37c6), C(63b1c580a7fd02a4), C(f6433b9f10a5dac), C(bd4c3637)}, |
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{C(55bdb0e71e3edebd), C(c7ab562bcf0568bc), C(43166332f9ee684f), |
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C(6e7ac474)}, |
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{C(782fa1b08b475e7), C(fb7138951c61b23b), C(9829105e234fb11e), C(1fb4b518)}, |
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{C(c5dc19b876d37a80), C(15ffcff666cfd710), C(e8c30c72003103e2), |
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C(31d13d6d)}, |
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{C(5e1141711d2d6706), C(b537f6dee8de6933), C(3af0a1fbbe027c54), |
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C(26fa72e3)}, |
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{C(782edf6da001234f), C(f48cbd5c66c48f3), C(808754d1e64e2a32), C(6a7433bf)}, |
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{C(d26285842ff04d44), C(8f38d71341eacca9), C(5ca436f4db7a883c), |
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C(4e6df758)}, |
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{C(c6ab830865a6bae6), C(6aa8e8dd4b98815c), C(efe3846713c371e5), |
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C(d57f63ea)}, |
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{C(44b3a1929232892), C(61dca0e914fc217), C(a607cc142096b964), C(52ef73b3)}, |
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{C(4b603d7932a8de4f), C(fae64c464b8a8f45), C(8fafab75661d602a), C(3cb36c3)}, |
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{C(4ec0b54cf1566aff), C(30d2c7269b206bf4), C(77c22e82295e1061), |
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C(72c39bea)}, |
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{C(ed8b7a4b34954ff7), C(56432de31f4ee757), C(85bd3abaa572b155), |
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C(a65aa25c)}, |
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{C(5d28b43694176c26), C(714cc8bc12d060ae), C(3437726273a83fe6), |
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C(74740539)}, |
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{C(6a1ef3639e1d202e), C(919bc1bd145ad928), C(30f3f7e48c28a773), |
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C(c3ae3c26)}, |
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{C(159f4d9e0307b111), C(3e17914a5675a0c), C(af849bd425047b51), C(f29db8a2)}, |
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{C(cc0a840725a7e25b), C(57c69454396e193a), C(976eaf7eee0b4540), |
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C(1ef4cbf4)}, |
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{C(a2b27ee22f63c3f1), C(9ebde0ce1b3976b2), C(2fe6a92a257af308), |
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C(a9be6c41)}, |
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{C(d8f2f234899bcab3), C(b10b037297c3a168), C(debea2c510ceda7f), C(fa31801)}, |
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{C(584f28543864844f), C(d7cee9fc2d46f20d), C(a38dca5657387205), |
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C(8331c5d8)}, |
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{C(a94be46dd9aa41af), C(a57e5b7723d3f9bd), C(34bf845a52fd2f), C(e9876db8)}, |
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{C(9a87bea227491d20), C(a468657e2b9c43e7), C(af9ba60db8d89ef7), |
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C(27b0604e)}, |
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{C(27688c24958d1a5c), C(e3b4a1c9429cf253), C(48a95811f70d64bc), |
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C(dcec07f2)}, |
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{C(5d1d37790a1873ad), C(ed9cd4bcc5fa1090), C(ce51cde05d8cd96a), |
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C(cff0a82a)}, |
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{C(1f03fd18b711eea9), C(566d89b1946d381a), C(6e96e83fc92563ab), |
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C(fec83621)}, |
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{C(f0316f286cf527b6), C(f84c29538de1aa5a), C(7612ed3c923d4a71), C(743d8dc)}, |
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{C(297008bcb3e3401d), C(61a8e407f82b0c69), C(a4a35bff0524fa0e), |
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C(64d41d26)}, |
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{C(43c6252411ee3be), C(b4ca1b8077777168), C(2746dc3f7da1737f), C(acd90c81)}, |
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{C(ce38a9a54fad6599), C(6d6f4a90b9e8755e), C(c3ecc79ff105de3f), |
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C(7c746a4b)}, |
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{C(270a9305fef70cf), C(600193999d884f3a), C(f4d49eae09ed8a1), C(b1047e99)}, |
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{C(e71be7c28e84d119), C(eb6ace59932736e6), C(70c4397807ba12c5), |
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C(d1fd1068)}, |
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{C(b5b58c24b53aaa19), C(d2a6ab0773dd897f), C(ef762fe01ecb5b97), |
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C(56486077)}, |
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{C(44dd59bd301995cf), C(3ccabd76493ada1a), C(540db4c87d55ef23), |
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C(6069be80)}, |
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{C(b4d4789eb6f2630b), C(bf6973263ce8ef0e), C(d1c75c50844b9d3), C(2078359b)}, |
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{C(12807833c463737c), C(58e927ea3b3776b4), C(72dd20ef1c2f8ad0), |
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C(9ea21004)}, |
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{C(e88419922b87176f), C(bcf32f41a7ddbf6f), C(d6ebefd8085c1a0f), |
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C(9c9cfe88)}, |
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{C(105191e0ec8f7f60), C(5918dbfcca971e79), C(6b285c8a944767b9), |
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C(b70a6ddd)}, |
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{C(a5b88bf7399a9f07), C(fca3ddfd96461cc4), C(ebe738fdc0282fc6), |
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C(dea37298)}, |
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{C(d08c3f5747d84f50), C(4e708b27d1b6f8ac), C(70f70fd734888606), |
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C(8f480819)}, |
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{C(2f72d12a40044b4b), C(889689352fec53de), C(f03e6ad87eb2f36), C(30b3b16)}, |
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{C(aa1f61fdc5c2e11e), C(c2c56cd11277ab27), C(a1e73069fdf1f94f), |
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C(f31bc4e8)}, |
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{C(9489b36fe2246244), C(3355367033be74b8), C(5f57c2277cbce516), |
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C(419f953b)}, |
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{C(358d7c0476a044cd), C(e0b7b47bcbd8854f), C(ffb42ec696705519), |
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C(20e9e76d)}, |
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{C(b0c48df14275265a), C(9da4448975905efa), C(d716618e414ceb6d), |
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C(646f0ff8)}, |
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{C(daa70bb300956588), C(410ea6883a240c6d), C(f5c8239fb5673eb3), |
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C(eeb7eca8)}, |
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{C(4ec97a20b6c4c7c2), C(5913b1cd454f29fd), C(a9629f9daf06d685), C(8112bb9)}, |
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{C(5c3323628435a2e8), C(1bea45ce9e72a6e3), C(904f0a7027ddb52e), |
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C(85a6d477)}, |
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{C(c1ef26bea260abdb), C(6ee423f2137f9280), C(df2118b946ed0b43), |
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C(56f76c84)}, |
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{C(6be7381b115d653a), C(ed046190758ea511), C(de6a45ffc3ed1159), |
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C(9af45d55)}, |
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{C(ae3eece1711b2105), C(14fd3f4027f81a4a), C(abb7e45177d151db), |
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C(d1c33760)}, |
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{C(376c28588b8fb389), C(6b045e84d8491ed2), C(4e857effb7d4e7dc), |
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C(c56bbf69)}, |
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{C(58d943503bb6748f), C(419c6c8e88ac70f6), C(586760cbf3d3d368), |
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C(abecfb9b)}, |
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{C(dfff5989f5cfd9a1), C(bcee2e7ea3a96f83), C(681c7874adb29017), |
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C(8de13255)}, |
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{C(7fb19eb1a496e8f5), C(d49e5dfdb5c0833f), C(c0d5d7b2f7c48dc7), |
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C(a98ee299)}, |
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{C(5dba5b0dadccdbaa), C(4ba8da8ded87fcdc), C(f693fdd25badf2f0), |
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C(3015f556)}, |
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{C(688bef4b135a6829), C(8d31d82abcd54e8e), C(f95f8a30d55036d7), |
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C(5a430e29)}, |
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{C(d8323be05433a412), C(8d48fa2b2b76141d), C(3d346f23978336a5), |
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C(2797add0)}, |
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{C(3b5404278a55a7fc), C(23ca0b327c2d0a81), C(a6d65329571c892c), |
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C(27d55016)}, |
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{C(2a96a3f96c5e9bbc), C(8caf8566e212dda8), C(904de559ca16e45e), |
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C(84945a82)}, |
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{C(22bebfdcc26d18ff), C(4b4d8dcb10807ba1), C(40265eee30c6b896), |
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C(3ef7e224)}, |
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{C(627a2249ec6bbcc2), C(c0578b462a46735a), C(4974b8ee1c2d4f1f), |
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C(35ed8dc8)}, |
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{C(3abaf1667ba2f3e0), C(ee78476b5eeadc1), C(7e56ac0a6ca4f3f4), C(6a75e43d)}, |
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{C(3931ac68c5f1b2c9), C(efe3892363ab0fb0), C(40b707268337cd36), |
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C(235d9805)}, |
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{C(b98fb0606f416754), C(46a6e5547ba99c1e), C(c909d82112a8ed2), C(f7d69572)}, |
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{C(7f7729a33e58fcc4), C(2e4bc1e7a023ead4), C(e707008ea7ca6222), |
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C(bacd0199)}, |
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{C(42a0aa9ce82848b3), C(57232730e6bee175), C(f89bb3f370782031), |
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C(e428f50e)}, |
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{C(6b2c6d38408a4889), C(de3ef6f68fb25885), C(20754f456c203361), |
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C(81eaaad3)}, |
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{C(930380a3741e862a), C(348d28638dc71658), C(89dedcfd1654ea0d), |
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C(addbd3e3)}, |
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{C(94808b5d2aa25f9a), C(cec72968128195e0), C(d9f4da2bdc1e130f), |
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C(e66dbca0)}, |
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{C(b31abb08ae6e3d38), C(9eb9a95cbd9e8223), C(8019e79b7ee94ea9), |
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C(afe11fd5)}, |
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{C(dccb5534a893ea1a), C(ce71c398708c6131), C(fe2396315457c164), |
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C(a71a406f)}, |
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{C(6369163565814de6), C(8feb86fb38d08c2f), C(4976933485cc9a20), |
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C(9d90eaf5)}, |
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{C(edee4ff253d9f9b3), C(96ef76fb279ef0ad), C(a4d204d179db2460), |
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C(6665db10)}, |
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{C(941993df6e633214), C(929bc1beca5b72c6), C(141fc52b8d55572d), |
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C(9c977cbf)}, |
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{C(859838293f64cd4c), C(484403b39d44ad79), C(bf674e64d64b9339), |
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C(ee83ddd4)}, |
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{C(c19b5648e0d9f555), C(328e47b2b7562993), C(e756b92ba4bd6a51), C(26519cc)}, |
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{C(f963b63b9006c248), C(9e9bf727ffaa00bc), C(c73bacc75b917e3a), |
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C(a485a53f)}, |
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{C(6a8aa0852a8c1f3b), C(c8f1e5e206a21016), C(2aa554aed1ebb524), |
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C(f62bc412)}, |
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{C(740428b4d45e5fb8), C(4c95a4ce922cb0a5), C(e99c3ba78feae796), |
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C(8975a436)}, |
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{C(658b883b3a872b86), C(2f0e303f0f64827a), C(975337e23dc45e1), C(94ff7f41)}, |
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{C(6df0a977da5d27d4), C(891dd0e7cb19508), C(fd65434a0b71e680), C(760aa031)}, |
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{C(a900275464ae07ef), C(11f2cfda34beb4a3), C(9abf91e5a1c38e4), C(3bda76df)}, |
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{C(810bc8aa0c40bcb0), C(448a019568d01441), C(f60ec52f60d3aeae), |
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C(498e2e65)}, |
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{C(22036327deb59ed7), C(adc05ceb97026a02), C(48bff0654262672b), |
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C(d38deb48)}, |
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{C(7d14dfa9772b00c8), C(595735efc7eeaed7), C(29872854f94c3507), |
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C(82b3fb6b)}, |
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{C(2d777cddb912675d), C(278d7b10722a13f9), C(f5c02bfb7cc078af), |
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C(e500e25f)}, |
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{C(f2ec98824e8aa613), C(5eb7e3fb53fe3bed), C(12c22860466e1dd4), |
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C(bd2bb07c)}, |
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{C(5e763988e21f487f), C(24189de8065d8dc5), C(d1519d2403b62aa0), |
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C(3a2b431d)}, |
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{C(48949dc327bb96ad), C(e1fd21636c5c50b4), C(3f6eb7f13a8712b4), |
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C(7322a83d)}, |
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{C(b7c4209fb24a85c5), C(b35feb319c79ce10), C(f0d3de191833b922), |
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C(a645ca1c)}, |
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{C(9c9e5be0943d4b05), C(b73dc69e45201cbb), C(aab17180bfe5083d), |
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C(8909a45a)}, |
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{C(3898bca4dfd6638d), C(f911ff35efef0167), C(24bdf69e5091fc88), |
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C(bd30074c)}, |
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{C(5b5d2557400e68e7), C(98d610033574cee), C(dfd08772ce385deb), C(c17cf001)}, |
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{C(a927ed8b2bf09bb6), C(606e52f10ae94eca), C(71c2203feb35a9ee), |
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C(26ffd25a)}, |
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{C(8d25746414aedf28), C(34b1629d28b33d3a), C(4d5394aea5f82d7b), |
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C(f1d8ce3c)}, |
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{C(b5bbdb73458712f2), C(1ff887b3c2a35137), C(7f7231f702d0ace9), |
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C(3ee8fb17)}, |
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{C(3d32a26e3ab9d254), C(fc4070574dc30d3a), C(f02629579c2b27c9), |
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C(a77acc2a)}, |
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{C(9371d3c35fa5e9a5), C(42967cf4d01f30), C(652d1eeae704145c), C(f4556dee)}, |
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{C(cbaa3cb8f64f54e0), C(76c3b48ee5c08417), C(9f7d24e87e61ce9), C(de287a64)}, |
|
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C(53467e16)}, |
|
{C(4cbc2b73a43071e0), C(56c5db4c4ca4e0b7), C(1b275a162f46bd3d), |
|
C(da14a8d0)}, |
|
{C(875638b9715d2221), C(d9ba0615c0c58740), C(616d4be2dfe825aa), |
|
C(67333551)}, |
|
{C(fb686b2782994a8d), C(edee60693756bb48), C(e6bc3cae0ded2ef5), |
|
C(a0ebd66e)}, |
|
{C(ab21d81a911e6723), C(4c31b07354852f59), C(835da384c9384744), |
|
C(4b769593)}, |
|
{C(33d013cc0cd46ecf), C(3de726423aea122c), C(116af51117fe21a9), |
|
C(6aa75624)}, |
|
{C(8ca92c7cd39fae5d), C(317e620e1bf20f1), C(4f0b33bf2194b97f), C(602a3f96)}, |
|
{C(fdde3b03f018f43e), C(38f932946c78660), C(c84084ce946851ee), C(cd183c4d)}, |
|
{C(9c8502050e9c9458), C(d6d2a1a69964beb9), C(1675766f480229b5), |
|
C(960a4d07)}, |
|
{C(348176ca2fa2fdd2), C(3a89c514cc360c2d), C(9f90b8afb318d6d0), |
|
C(9ae998c4)}, |
|
{C(4a3d3dfbbaea130b), C(4e221c920f61ed01), C(553fd6cd1304531f), |
|
C(74e2179d)}, |
|
{C(b371f768cdf4edb9), C(bdef2ace6d2de0f0), C(e05b4100f7f1baec), |
|
C(ee9bae25)}, |
|
{C(7a1d2e96934f61f), C(eb1760ae6af7d961), C(887eb0da063005df), C(b66edf10)}, |
|
{C(8be53d466d4728f2), C(86a5ac8e0d416640), C(984aa464cdb5c8bb), |
|
C(d6209737)}, |
|
{C(829677eb03abf042), C(43cad004b6bc2c0), C(f2f224756803971a), C(b994a88)}, |
|
{C(754435bae3496fc), C(5707fc006f094dcf), C(8951c86ab19d8e40), C(a05d43c0)}, |
|
{C(fda9877ea8e3805f), C(31e868b6ffd521b7), C(b08c90681fb6a0fd), |
|
C(c79f73a8)}, |
|
{C(2e36f523ca8f5eb5), C(8b22932f89b27513), C(331cd6ecbfadc1bb), |
|
C(a490aff5)}, |
|
{C(21a378ef76828208), C(a5c13037fa841da2), C(506d22a53fbe9812), |
|
C(dfad65b4)}, |
|
{C(ccdd5600054b16ca), C(f78846e84204cb7b), C(1f9faec82c24eac9), C(1d07dfb)}, |
|
{C(7854468f4e0cabd0), C(3a3f6b4f098d0692), C(ae2423ec7799d30d), |
|
C(416df9a0)}, |
|
{C(7f88db5346d8f997), C(88eac9aacc653798), C(68a4d0295f8eefa1), |
|
C(1f8fb9cc)}, |
|
{C(bb3fb5fb01d60fcf), C(1b7cc0847a215eb6), C(1246c994437990a1), |
|
C(7abf48e3)}, |
|
{C(2e783e1761acd84d), C(39158042bac975a0), C(1cd21c5a8071188d), |
|
C(dea4e3dd)}, |
|
{C(392058251cf22acc), C(944ec4475ead4620), C(b330a10b5cb94166), |
|
C(c6064f22)}, |
|
{C(adf5c1e5d6419947), C(2a9747bc659d28aa), C(95c5b8cb1f5d62c), C(743bed9c)}, |
|
{C(6bc1db2c2bee5aba), C(e63b0ed635307398), C(7b2eca111f30dbbc), |
|
C(fce254d5)}, |
|
{C(b00f898229efa508), C(83b7590ad7f6985c), C(2780e70a0592e41d), |
|
C(e47ec9d1)}, |
|
{C(b56eb769ce0d9a8c), C(ce196117bfbcaf04), C(b26c3c3797d66165), |
|
C(334a145c)}, |
|
{C(70c0637675b94150), C(259e1669305b0a15), C(46e1dd9fd387a58d), |
|
C(adec1e3c)}, |
|
{C(74c0b8a6821faafe), C(abac39d7491370e7), C(faf0b2a48a4e6aed), |
|
C(f6a9fbf8)}, |
|
{C(5fb5e48ac7b7fa4f), C(a96170f08f5acbc7), C(bbf5c63d4f52a1e5), |
|
C(5398210c)}, |
|
}; |
|
|
|
void TestUnchanging(const uint64_t* expected, int offset, int len) { |
|
EXPECT_EQ(expected[0], CityHash64(data + offset, len)); |
|
EXPECT_EQ(expected[3], CityHash32(data + offset, len)); |
|
EXPECT_EQ(expected[1], CityHash64WithSeed(data + offset, len, kSeed0)); |
|
EXPECT_EQ(expected[2], |
|
CityHash64WithSeeds(data + offset, len, kSeed0, kSeed1)); |
|
} |
|
|
|
TEST(CityHashTest, Unchanging) { |
|
setup(); |
|
int i = 0; |
|
for (; i < kTestSize - 1; i++) { |
|
TestUnchanging(testdata[i], i * i, i); |
|
} |
|
TestUnchanging(testdata[i], 0, kDataSize); |
|
} |
|
|
|
} // namespace hash_internal |
|
} // namespace absl
|
|
|