| 1 | /* |
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| 2 | Copyright (c) 2006-2018 Elmar Pruesse <elmar.pruesse@ucdenver.edu> |
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| 3 | |
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| 4 | This file is part of SINA. |
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| 5 | SINA is free software: you can redistribute it and/or modify it under |
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| 6 | the terms of the GNU General Public License as published by the Free |
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| 7 | Software Foundation, either version 3 of the License, or (at your |
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| 8 | option) any later version. |
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| 9 | |
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| 10 | SINA is distributed in the hope that it will be useful, but WITHOUT ANY |
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| 11 | WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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| 12 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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| 13 | for more details. |
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| 14 | |
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| 15 | You should have received a copy of the GNU General Public License |
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| 16 | along with SINA. If not, see <http://www.gnu.org/licenses/>. |
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| 17 | |
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| 18 | Additional permission under GNU GPL version 3 section 7 |
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| 19 | |
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| 20 | If you modify SINA, or any covered work, by linking or combining it |
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| 21 | with components of ARB (or a modified version of that software), |
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| 22 | containing parts covered by the terms of the |
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| 23 | ARB-public-library-license, the licensors of SINA grant you additional |
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| 24 | permission to convey the resulting work. Corresponding Source for a |
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| 25 | non-source form of such a combination shall include the source code |
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| 26 | for the parts of ARB used as well as that of the covered work. |
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| 27 | */ |
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| 28 | |
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| 29 | #include "../kmer.h" |
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| 30 | |
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| 31 | #define BOOST_TEST_MODULE kmer_search |
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| 32 | |
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| 33 | #include <boost/test/unit_test.hpp> |
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| 34 | #include <boost/test/data/test_case.hpp> |
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| 35 | namespace bdata = boost::unit_test::data; |
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| 36 | |
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| 37 | #include <string> |
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| 38 | |
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| 39 | BOOST_AUTO_TEST_SUITE(kmer_test); |
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| 40 | |
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| 41 | using namespace sina; |
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| 42 | |
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| 43 | BOOST_AUTO_TEST_CASE(kmer_generator_test_bounds) { |
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| 44 | BOOST_CHECK_THROW(kmer_generator kmer(0), std::runtime_error); |
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| 45 | BOOST_CHECK_THROW(kmer_generator kmer(17), std::runtime_error); |
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| 46 | } |
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| 47 | |
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| 48 | |
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| 49 | // data for BOOST_DATA_TEST_CASE(kmer_generator_test...): |
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| 50 | |
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| 51 | const char test_sequence[] = |
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| 52 | "AGCTN" |
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| 53 | "AGCTAGCTN" |
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| 54 | "AGCTAGCTAGCTN"; |
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| 55 | |
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| 56 | const int test_sequence_len = std::extent<decltype(test_sequence)>::value - 1; |
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| 57 | |
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| 58 | const int try_k[] = {1,2,3,4,8}; |
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| 59 | const int try_k_len = std::extent<decltype(try_k)>::value; |
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| 60 | |
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| 61 | const bool valid_k[try_k_len][test_sequence_len] = { |
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| 62 | { // k = 1 |
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| 63 | true, true, true, true, false, |
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| 64 | true, true, true, true, true, true, true, true, false, |
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| 65 | true, true, true, true, true, true, true, true, true, true, true, true, false |
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| 66 | }, |
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| 67 | { // k = 2 |
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| 68 | false, true, true, true, false, |
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| 69 | false, true, true, true, true, true, true, true, false, |
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| 70 | false, true, true, true, true, true, true, true, true, true, true, true, false |
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| 71 | }, |
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| 72 | { // k = 3 |
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| 73 | false, false, true, true, false, |
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| 74 | false, false, true, true, true, true, true, true, false, |
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| 75 | false, false, true, true, true, true, true, true, true, true, true, true, false |
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| 76 | }, |
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| 77 | { // k = 4 |
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| 78 | false, false, false, true, false, |
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| 79 | false, false, false, true, true, true, true, true, false, |
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| 80 | false, false, false, true, true, true, true, true, true, true, true, true, false |
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| 81 | }, |
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| 82 | { // k = 8 |
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| 83 | false, false, false, false, false, |
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| 84 | false, false, false, false, false, false, false, true, false, |
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| 85 | false, false, false, false, false, false, false, true, true, true, true, true, false |
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| 86 | } |
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| 87 | }; |
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| 88 | |
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| 89 | const bool first_k[try_k_len][test_sequence_len] = { |
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| 90 | { // k = 1 |
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| 91 | true, true, true, true, false, |
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| 92 | false, false, false, false, false, false, false, false, false, |
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| 93 | false, false, false, false, false, false, false, false, false, false, false, false, false |
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| 94 | }, |
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| 95 | { // k = 2 |
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| 96 | false, true, true, true, false, |
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| 97 | false, false, false, false, true, false, false, false, false, |
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| 98 | false, false, false, false, false, false, false, false, false, false, false, false, false |
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| 99 | }, |
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| 100 | { // k = 3 |
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| 101 | false, false, true, true, false, |
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| 102 | false, false, false, false, true, true, false, false, false, |
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| 103 | false, false, false, false, false, false, false, false, false, false, false, false, false |
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| 104 | }, |
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| 105 | { // k = 4 |
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| 106 | false, false, false, true, false, |
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| 107 | false, false, false, false, true, true, true, false, false, |
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| 108 | false, false, false, false, false, false, false, false, false, false, false, false, false |
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| 109 | }, |
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| 110 | { // k = 8 |
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| 111 | false, false, false, false, false, |
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| 112 | false, false, false, false, false, false, false, true, false, |
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| 113 | false, false, false, false, false, false, false, false, true, true, true, false, false |
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| 114 | } |
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| 115 | }; |
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| 116 | |
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| 117 | const unsigned int A = BASE_A; |
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| 118 | const unsigned int G = BASE_G; |
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| 119 | const unsigned int C = BASE_C; |
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| 120 | const unsigned int T = BASE_TU; |
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| 121 | |
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| 122 | const unsigned int kmers_k[try_k_len][test_sequence_len] = { |
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| 123 | { // k = 1 |
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| 124 | A, G, C, T, 0, |
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| 125 | A, G, C, T, A, G, C, T, 0, |
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| 126 | A, G, C, T, A, G, C, T, A, G, C, T, 0, |
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| 127 | }, |
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| 128 | { // k = 2 |
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| 129 | 0, A<<2|G, G<<2|C, C<<2|T, 0, |
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| 130 | 0, A<<2|G, G<<2|C, C<<2|T, |
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| 131 | T<<2|A, A<<2|G, G<<2|C, C<<2|T, 0, |
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| 132 | 0, A<<2|G, G<<2|C, C<<2|T, |
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| 133 | T<<2|A, A<<2|G, G<<2|C, C<<2|T, |
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| 134 | T<<2|A, A<<2|G, G<<2|C, C<<2|T, 0 |
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| 135 | }, |
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| 136 | { // k = 3 |
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| 137 | 0, 0, A<<4|G<<2|C, G<<4|C<<2|T, 0, |
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| 138 | 0, 0, A<<4|G<<2|C, G<<4|C<<2|T, |
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| 139 | C<<4|T<<2|A, T<<4|A<<2|G, A<<4|G<<2|C, G<<4|C<<2|T, 0, |
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| 140 | 0, 0, A<<4|G<<2|C, G<<4|C<<2|T, |
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| 141 | C<<4|T<<2|A, T<<4|A<<2|G, A<<4|G<<2|C, G<<4|C<<2|T, |
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| 142 | C<<4|T<<2|A, T<<4|A<<2|G, A<<4|G<<2|C, G<<4|C<<2|T, 0 |
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| 143 | }, |
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| 144 | { // k = 4 |
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| 145 | 0, 0, 0, A<<6|G<<4|C<<2|T, 0, |
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| 146 | 0, 0, 0, A<<6|G<<4|C<<2|T, |
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| 147 | G<<6|C<<4|T<<2|A, C<<6|T<<4|A<<2|G, T<<6|A<<4|G<<2|C, A<<6|G<<4|C<<2|T, 0, |
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| 148 | 0, 0, 0, A<<6|G<<4|C<<2|T, |
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| 149 | G<<6|C<<4|T<<2|A, C<<6|T<<4|A<<2|G, T<<6|A<<4|G<<2|C, A<<6|G<<4|C<<2|T, |
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| 150 | G<<6|C<<4|T<<2|A, C<<6|T<<4|A<<2|G, T<<6|A<<4|G<<2|C, A<<6|G<<4|C<<2|T, 0 |
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| 151 | }, |
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| 152 | { // k = 8 |
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| 153 | 0, 0, 0, 0, 0, |
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| 154 | 0, 0, 0, 0, |
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| 155 | 0, 0, 0, A<<14|G<<12|C<<10|T<<8|A<<6|G<<4|C<<2|T, 0, |
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| 156 | 0, 0, 0, 0, |
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| 157 | 0, 0, 0, A<<14|G<<12|C<<10|T<<8|A<<6|G<<4|C<<2|T, |
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| 158 | G<<14|C<<12|T<<10|A<<8|G<<6|C<<4|T<<2|A, |
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| 159 | C<<14|T<<12|A<<10|G<<8|C<<6|T<<4|A<<2|G, |
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| 160 | T<<14|A<<12|G<<10|C<<8|T<<6|A<<4|G<<2|C, |
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| 161 | A<<14|G<<12|C<<10|T<<8|A<<6|G<<4|C<<2|T, 0 |
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| 162 | } |
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| 163 | }; |
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| 164 | |
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| 165 | BOOST_DATA_TEST_CASE(kmer_generator_test, |
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| 166 | bdata::xrange(try_k_len) ^ bdata::make(try_k), |
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| 167 | n, k |
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| 168 | ) { |
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| 169 | const auto& valid = valid_k[n]; |
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| 170 | const auto& kmers = kmers_k[n]; |
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| 171 | |
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| 172 | kmer_generator kmer(k); |
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| 173 | |
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| 174 | for (int i = 0; i < test_sequence_len; ++i) { |
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| 175 | kmer.push(test_sequence[i]); |
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| 176 | BOOST_CHECK_EQUAL(kmer.good(), valid[i]); |
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| 177 | BOOST_CHECK_MESSAGE(kmer.good() == valid[i], "" |
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| 178 | << " i=" << i |
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| 179 | << " kmer=" << kmer |
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| 180 | << " b=" << test_sequence[i] |
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| 181 | << " gc=" << kmer.get_good_count()); |
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| 182 | if (kmer.good()) { |
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| 183 | BOOST_CHECK_EQUAL(kmer, kmers[i]); |
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| 184 | BOOST_CHECK_MESSAGE(kmer == kmers[i], "" |
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| 185 | << " i=" << i |
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| 186 | << " b=" << test_sequence[i] |
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| 187 | << " kmer=" << kmer |
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| 188 | << " test_kmer=" << kmer_generator(k, kmers[i]) |
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| 189 | ); |
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| 190 | } |
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| 191 | } |
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| 192 | } |
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| 193 | |
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| 194 | BOOST_DATA_TEST_CASE(kmer_iterable_generator_test, |
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| 195 | bdata::xrange(try_k_len) ^ bdata::make(try_k), |
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| 196 | n, k |
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| 197 | ) { |
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| 198 | const auto& valid = valid_k[n]; |
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| 199 | const auto& kmers = kmers_k[n]; |
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| 200 | |
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| 201 | int i = 0; |
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| 202 | std::string test_string(test_sequence); |
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| 203 | for (const auto& kmer : all_kmers(test_string, k)) { |
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| 204 | while (not valid[i]) { ++i; } |
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| 205 | BOOST_CHECK_EQUAL(kmer, kmers[i]); |
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| 206 | BOOST_CHECK_MESSAGE(kmer == kmers[i], "" |
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| 207 | << " i=" << i |
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| 208 | << " b=" << test_sequence[i] |
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| 209 | << " kmer=" << kmer |
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| 210 | << " test_kmer=" << kmer_generator(k, kmers[i]) |
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| 211 | ); |
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| 212 | ++i; |
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| 213 | } |
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| 214 | } |
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| 215 | |
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| 216 | BOOST_DATA_TEST_CASE(kmer_unique_generator_test, |
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| 217 | bdata::xrange(try_k_len) ^ bdata::make(try_k), |
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| 218 | n, k |
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| 219 | ) { |
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| 220 | const auto& valid = first_k[n]; |
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| 221 | const auto& kmers = kmers_k[n]; |
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| 222 | |
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| 223 | std::unordered_set<unsigned int> seen; |
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| 224 | |
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| 225 | unique_kmer_generator kmer(seen, k); |
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| 226 | |
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| 227 | for (int i = 0; i < test_sequence_len; ++i) { |
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| 228 | kmer.push(test_sequence[i]); |
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| 229 | BOOST_CHECK_EQUAL(kmer.good(), valid[i]); |
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| 230 | BOOST_CHECK_MESSAGE(kmer.good() == valid[i], "" |
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| 231 | << " i=" << i |
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| 232 | << " kmer=" << kmer |
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| 233 | << " b=" << test_sequence[i] |
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| 234 | << " gc=" << kmer.get_good_count()); |
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| 235 | if (kmer.good()) { |
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| 236 | BOOST_CHECK_EQUAL(kmer, kmers[i]); |
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| 237 | BOOST_CHECK_MESSAGE(kmer == kmers[i], "" |
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| 238 | << " i=" << i |
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| 239 | << " b=" << test_sequence[i] |
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| 240 | << " kmer=" << kmer |
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| 241 | << " test_kmer=" << kmer_generator(k, kmers[i]) |
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| 242 | ); |
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| 243 | } |
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| 244 | } |
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| 245 | } |
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| 246 | |
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| 247 | BOOST_DATA_TEST_CASE(kmer_iterable_unique_generator_test, |
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| 248 | bdata::xrange(try_k_len) ^ bdata::make(try_k), |
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| 249 | n, k |
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| 250 | ) { |
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| 251 | const auto& valid = first_k[n]; |
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| 252 | const auto& kmers = kmers_k[n]; |
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| 253 | |
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| 254 | int i = 0; |
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| 255 | std::string test_string(test_sequence); |
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| 256 | std::unordered_set<unsigned int> seen; |
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| 257 | for (const auto& kmer : unique_kmers(test_string, seen, k)) { |
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| 258 | while (not valid[i]) { ++i; } |
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| 259 | BOOST_CHECK_EQUAL(kmer, kmers[i]); |
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| 260 | BOOST_CHECK_MESSAGE(kmer == kmers[i], "" |
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| 261 | << " i=" << i |
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| 262 | << " b=" << test_sequence[i] |
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| 263 | << " kmer=" << kmer |
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| 264 | << " test_kmer=" << kmer_generator(k, kmers[i]) |
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| 265 | ); |
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| 266 | ++i; |
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| 267 | } |
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| 268 | } |
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| 269 | |
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| 270 | |
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| 271 | // data for BOOST_DATA_TEST_CASE(prefix_kmer_generator_test,...): |
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| 272 | |
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| 273 | const int kmer_prefix_n = 2; |
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| 274 | const unsigned int kmer_prefix_lens[try_k_len][kmer_prefix_n] = { |
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| 275 | { 1, 1 }, // k=1 |
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| 276 | { 1, 2 }, // k=2 |
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| 277 | { 2, 3 }, // k=3 |
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| 278 | { 2, 4 }, // k=4 |
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| 279 | { 2, 4 }, // k=8 |
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| 280 | }; |
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| 281 | |
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| 282 | const unsigned int kmer_prefixes[try_k_len][kmer_prefix_n] = { |
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| 283 | { A, T }, // k=1 |
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| 284 | { A, G<<2|C }, // k=2 |
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| 285 | { G<<2|C, T<<4|A<<2|G }, // k=3 |
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| 286 | { C<<2|T, G<<6|C<<4|T<<2|A }, // k=4 |
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| 287 | { T<<2|A, A<<6|G<<4|C<<2|T } // k=8 |
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| 288 | }; |
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| 289 | |
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| 290 | const unsigned int kmer_prefix_counts[try_k_len][kmer_prefix_n] = { |
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| 291 | { 6, 6 }, // k=1 |
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| 292 | { 6, 6 }, // k=2 |
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| 293 | { 6, 3 }, // k=3 |
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| 294 | { 3, 3 }, // k=4 |
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| 295 | { 1, 3 }, // k=8 |
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| 296 | }; |
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| 297 | |
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| 298 | const unsigned int kmer_unique_prefix_counts[try_k_len][kmer_prefix_n] = { |
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| 299 | { 1, 1 }, // k=1 |
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| 300 | { 1, 1 }, // k=2 |
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| 301 | { 1, 1 }, // k=3 |
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| 302 | { 1, 1 }, // k=4 |
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| 303 | { 1, 1 }, // k=8 |
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| 304 | }; |
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| 305 | |
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| 306 | BOOST_DATA_TEST_CASE(prefix_kmer_generator_test, |
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| 307 | (bdata::xrange(try_k_len) ^ bdata::make(try_k)) * |
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| 308 | bdata::xrange(kmer_prefix_n), |
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| 309 | n, k, p |
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| 310 | ) { |
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| 311 | const auto& valid = valid_k[n]; |
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| 312 | const auto& kmers = kmers_k[n]; |
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| 313 | const auto& prefix_len = kmer_prefix_lens[n][p]; |
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| 314 | const auto& prefix = kmer_prefixes[n][p]; |
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| 315 | const auto& prefix_count = kmer_prefix_counts[n][p]; |
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| 316 | |
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| 317 | prefix_kmer_generator kmer(k, prefix_len, prefix); |
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| 318 | |
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| 319 | unsigned int count = 0; |
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| 320 | for (int i = 0; i < test_sequence_len; ++i) { |
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| 321 | kmer.push(test_sequence[i]); |
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| 322 | unsigned int current_prefix = kmers[i] >> (k-prefix_len)*2; |
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| 323 | bool should_be_valid = valid[i] && current_prefix == prefix; |
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| 324 | BOOST_CHECK_EQUAL(kmer.good(), should_be_valid); |
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| 325 | BOOST_CHECK_MESSAGE(kmer.good() == should_be_valid, "" |
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| 326 | << " i=" << i |
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| 327 | << " kmer=" << kmer |
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| 328 | << " b=" << test_sequence[i] |
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| 329 | << " prefix_len=" << prefix_len |
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| 330 | << " prefix=" << kmer_generator(prefix_len,prefix) |
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| 331 | << " cur_prefix=" << kmer_generator(prefix_len,current_prefix) |
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| 332 | |
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| 333 | << " gc=" << kmer.get_good_count()); |
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| 334 | if (kmer.good()) { |
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| 335 | BOOST_CHECK_EQUAL(kmer, kmers[i]); |
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| 336 | BOOST_CHECK_MESSAGE(kmer == kmers[i], "" |
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| 337 | << " i=" << i |
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| 338 | << " b=" << test_sequence[i] |
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| 339 | << " kmer=" << kmer |
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| 340 | << " test_kmer=" << kmer_generator(k, kmers[i]) |
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| 341 | ); |
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| 342 | ++count; |
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| 343 | } |
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| 344 | } |
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| 345 | BOOST_CHECK_EQUAL(count, prefix_count); |
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| 346 | } |
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| 347 | |
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| 348 | |
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| 349 | BOOST_DATA_TEST_CASE(kmer_iterable_prefix_generator_test, |
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| 350 | (bdata::xrange(try_k_len) ^ bdata::make(try_k)) * |
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| 351 | bdata::xrange(kmer_prefix_n), |
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| 352 | n, k, p |
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| 353 | ) { |
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| 354 | const auto& valid = valid_k[n]; |
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| 355 | const auto& kmers = kmers_k[n]; |
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| 356 | const auto& prefix_len = kmer_prefix_lens[n][p]; |
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| 357 | const auto& prefix = kmer_prefixes[n][p]; |
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| 358 | const auto& prefix_count = kmer_prefix_counts[n][p]; |
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| 359 | |
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| 360 | int i = 0; |
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| 361 | unsigned int count = 0; |
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| 362 | std::string test_string(test_sequence); |
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| 363 | for (const auto& kmer : prefix_kmers(test_string, k, prefix_len, prefix)) { |
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| 364 | bool should_be_valid = false; |
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| 365 | unsigned int current_prefix; |
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| 366 | do { |
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| 367 | current_prefix = kmers[i] >> (k-prefix_len)*2; |
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| 368 | should_be_valid = valid[i] && current_prefix == prefix; |
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| 369 | } while (!should_be_valid && ++i); |
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| 370 | BOOST_CHECK_EQUAL(kmer, kmers[i]); |
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| 371 | BOOST_CHECK_MESSAGE(kmer == kmers[i], "" |
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| 372 | << " i=" << i |
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| 373 | << " b=" << test_sequence[i] |
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| 374 | << " kmer=" << kmer |
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| 375 | << " test_kmer=" << kmer_generator(k, kmers[i]) |
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| 376 | << " b=" << test_sequence[i] |
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| 377 | << " prefix_len=" << prefix_len |
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| 378 | << " prefix=" << kmer_generator(prefix_len,prefix) |
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| 379 | << " cur_prefix=" << kmer_generator(prefix_len,current_prefix) |
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| 380 | ); |
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| 381 | ++i; |
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| 382 | ++count; |
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| 383 | } |
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| 384 | BOOST_CHECK_EQUAL(count, prefix_count); |
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| 385 | } |
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| 386 | |
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| 387 | |
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| 388 | BOOST_DATA_TEST_CASE(kmer_iterable_unique_prefix_generator_test, |
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| 389 | (bdata::xrange(try_k_len) ^ bdata::make(try_k)) * |
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| 390 | bdata::xrange(kmer_prefix_n), |
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| 391 | n, k, p |
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| 392 | ) { |
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| 393 | const auto& valid = first_k[n]; |
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| 394 | const auto& kmers = kmers_k[n]; |
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| 395 | const auto& prefix_len = kmer_prefix_lens[n][p]; |
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| 396 | const auto& prefix = kmer_prefixes[n][p]; |
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| 397 | const auto& prefix_count = kmer_unique_prefix_counts[n][p]; |
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| 398 | |
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| 399 | int i = 0; |
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| 400 | unsigned int count = 0; |
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| 401 | std::unordered_set<unsigned int> seen; |
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| 402 | |
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| 403 | std::string test_string(test_sequence); |
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| 404 | for (const auto& kmer : unique_prefix_kmers(test_string, seen, k, prefix_len, prefix)) { |
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| 405 | bool should_be_valid = false; |
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| 406 | unsigned int current_prefix; |
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| 407 | do { |
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| 408 | current_prefix = kmers[i] >> (k-prefix_len)*2; |
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| 409 | should_be_valid = valid[i] && current_prefix == prefix; |
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| 410 | } while (!should_be_valid && ++i); |
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| 411 | BOOST_CHECK_EQUAL(kmer, kmers[i]); |
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| 412 | BOOST_CHECK_MESSAGE(kmer == kmers[i], "" |
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| 413 | << " i=" << i |
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| 414 | << " b=" << test_sequence[i] |
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| 415 | << " kmer=" << kmer |
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| 416 | << " test_kmer=" << kmer_generator(k, kmers[i]) |
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| 417 | << " b=" << test_sequence[i] |
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| 418 | << " prefix_len=" << prefix_len |
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| 419 | << " prefix=" << kmer_generator(prefix_len,prefix) |
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| 420 | << " cur_prefix=" << kmer_generator(prefix_len,current_prefix) |
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| 421 | ); |
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| 422 | ++i; |
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| 423 | ++count; |
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| 424 | } |
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| 425 | BOOST_CHECK_EQUAL(count, prefix_count); |
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| 426 | } |
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| 427 | |
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| 428 | BOOST_AUTO_TEST_SUITE_END(); // kmer_test |
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| 429 | |
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| 430 | |
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| 431 | /* |
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| 432 | Local Variables: |
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| 433 | mode:c++ |
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| 434 | c-file-style:"stroustrup" |
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| 435 | c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +)) |
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| 436 | indent-tabs-mode:nil |
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| 437 | fill-column:99 |
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| 438 | End: |
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| 439 | */ |
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| 440 | // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 : |
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