1af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow//===----------------------------------------------------------------------===// 2af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow// 3af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow// The LLVM Compiler Infrastructure 4af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow// 5af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow// This file is dual licensed under the MIT and the University of Illinois Open 6af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow// Source Licenses. See LICENSE.TXT for details. 7af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow// 8af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow//===----------------------------------------------------------------------===// 9af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow 10af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow// UNSUPPORTED: c++98, c++03, c++11 11af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow 12af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow// <functional> 13af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow 14af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow// boyer_moore_horspool searcher 15af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow// template<class RandomAccessIterator1, 16af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow// class Hash = hash<typename iterator_traits<RandomAccessIterator1>::value_type>, 17af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow// class BinaryPredicate = equal_to<>> 18af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow// class boyer_moore_horspool_searcher { 19af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow// public: 20af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow// boyer_moore_horspool_searcher(RandomAccessIterator1 pat_first, RandomAccessIterator1 pat_last, 21af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow// Hash hf = Hash(), BinaryPredicate pred = BinaryPredicate()); 2284acb1ec3f7d5e0f37d7176697c2fa876c413407Eric Fiselier// 23af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow// template<class RandomAccessIterator2> 24f6d6b51b634d0b4da46f1b24270ef6d9591c95c9Marshall Clow// pair<RandomAccessIterator2, RandomAccessIterator2> 25af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow// operator()(RandomAccessIterator2 first, RandomAccessIterator2 last) const; 2684acb1ec3f7d5e0f37d7176697c2fa876c413407Eric Fiselier// 27af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow// private: 28af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow// RandomAccessIterator1 pat_first_; // exposition only 29af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow// RandomAccessIterator1 pat_last_; // exposition only 30af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow// Hash hash_; // exposition only 31af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow// BinaryPredicate pred_; // exposition only 32af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow// }; 33af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow 34af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow#include <experimental/algorithm> 35af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow#include <experimental/functional> 36af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow#include <cassert> 37af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow 38af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow#include "test_iterators.h" 39af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow 40af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clowstruct count_equal 41af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow{ 42af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow static unsigned count; 43af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow template <class T> 44af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow bool operator()(const T& x, const T& y) const 45af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow {++count; return x == y;} 46af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow}; 47af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow 48af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clowunsigned count_equal::count = 0; 49af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow 50af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clowtemplate <typename Iter1, typename Iter2> 51af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clowvoid do_search(Iter1 b1, Iter1 e1, Iter2 b2, Iter2 e2, Iter1 result, unsigned max_count) { 5284acb1ec3f7d5e0f37d7176697c2fa876c413407Eric Fiselier std::experimental::boyer_moore_horspool_searcher<Iter2, 53af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow typename std::hash<typename std::remove_cv<typename std::iterator_traits<Iter2>::value_type>::type>, count_equal> s{b2, e2}; 54af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow count_equal::count = 0; 55af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow assert(result == std::experimental::search(b1, e1, s)); 560e5ebbc77c3c2cfd7d835fcfe40fcb65df0c5598Eric Fiselier assert(count_equal::count <= max_count); 57af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow} 58af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow 59af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clowtemplate <class Iter1, class Iter2> 60af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clowvoid 61af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clowtest() 62af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow{ 63af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow int ia[] = {0, 1, 2, 3, 4, 5}; 64af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow const unsigned sa = sizeof(ia)/sizeof(ia[0]); 65af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia), Iter2(ia), Iter1(ia), 0); 66af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia), Iter2(ia+1), Iter1(ia), sa); 67af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+1), Iter2(ia+2), Iter1(ia+1), sa); 68af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+2), Iter2(ia+2), Iter1(ia), 0); 69af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+2), Iter2(ia+3), Iter1(ia+2), sa); 70af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+2), Iter2(ia+3), Iter1(ia+2), sa); 71af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ia), Iter1(ia), Iter2(ia+2), Iter2(ia+3), Iter1(ia), 0); 72af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+sa-1), Iter2(ia+sa), Iter1(ia+sa-1), sa); 73af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+sa-3), Iter2(ia+sa), Iter1(ia+sa-3), 3*sa); 74af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia), Iter2(ia+sa), Iter1(ia), sa*sa); 75af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ia), Iter1(ia+sa-1), Iter2(ia), Iter2(ia+sa), Iter1(ia+sa-1), (sa-1)*sa); 764797c1151d69741470c19fa56a27a7b912b1e604Marshall Clow do_search(Iter1(ia), Iter1(ia+1), Iter2(ia), Iter2(ia+sa), Iter1(ia+1), sa); 77af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow int ib[] = {0, 1, 2, 0, 1, 2, 3, 0, 1, 2, 3, 4}; 78af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow const unsigned sb = sizeof(ib)/sizeof(ib[0]); 79af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow int ic[] = {1}; 80af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ib), Iter1(ib+sb), Iter2(ic), Iter2(ic+1), Iter1(ib+1), sb); 81af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow int id[] = {1, 2}; 82af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ib), Iter1(ib+sb), Iter2(id), Iter2(id+2), Iter1(ib+1), sb*2); 83af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow int ie[] = {1, 2, 3}; 84af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ib), Iter1(ib+sb), Iter2(ie), Iter2(ie+3), Iter1(ib+4), sb*3); 85af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow int ig[] = {1, 2, 3, 4}; 86af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ib), Iter1(ib+sb), Iter2(ig), Iter2(ig+4), Iter1(ib+8), sb*4); 87af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow int ih[] = {0, 1, 1, 1, 1, 2, 3, 0, 1, 2, 3, 4}; 88af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow const unsigned sh = sizeof(ih)/sizeof(ih[0]); 89af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow int ii[] = {1, 1, 2}; 90af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ih), Iter1(ih+sh), Iter2(ii), Iter2(ii+3), Iter1(ih+3), sh*3); 91af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow} 92af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow 93af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clowtemplate <class Iter1, class Iter2> 94af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clowvoid 95af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clowtest2() 96af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow{ 97af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow char ia[] = {0, 1, 2, 3, 4, 5}; 98af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow const unsigned sa = sizeof(ia)/sizeof(ia[0]); 99af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia), Iter2(ia), Iter1(ia), 0); 100af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia), Iter2(ia+1), Iter1(ia), sa); 101af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+1), Iter2(ia+2), Iter1(ia+1), sa); 102af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+2), Iter2(ia+2), Iter1(ia), 0); 103af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+2), Iter2(ia+3), Iter1(ia+2), sa); 104af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+2), Iter2(ia+3), Iter1(ia+2), sa); 105af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ia), Iter1(ia), Iter2(ia+2), Iter2(ia+3), Iter1(ia), 0); 106af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+sa-1), Iter2(ia+sa), Iter1(ia+sa-1), sa); 107af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+sa-3), Iter2(ia+sa), Iter1(ia+sa-3), 3*sa); 108af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia), Iter2(ia+sa), Iter1(ia), sa*sa); 109af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ia), Iter1(ia+sa-1), Iter2(ia), Iter2(ia+sa), Iter1(ia+sa-1), (sa-1)*sa); 1104797c1151d69741470c19fa56a27a7b912b1e604Marshall Clow do_search(Iter1(ia), Iter1(ia+1), Iter2(ia), Iter2(ia+sa), Iter1(ia+1), sa); 111af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow char ib[] = {0, 1, 2, 0, 1, 2, 3, 0, 1, 2, 3, 4}; 112af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow const unsigned sb = sizeof(ib)/sizeof(ib[0]); 113af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow char ic[] = {1}; 114af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ib), Iter1(ib+sb), Iter2(ic), Iter2(ic+1), Iter1(ib+1), sb); 115af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow char id[] = {1, 2}; 116af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ib), Iter1(ib+sb), Iter2(id), Iter2(id+2), Iter1(ib+1), sb*2); 117af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow char ie[] = {1, 2, 3}; 118af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ib), Iter1(ib+sb), Iter2(ie), Iter2(ie+3), Iter1(ib+4), sb*3); 119af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow char ig[] = {1, 2, 3, 4}; 120af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ib), Iter1(ib+sb), Iter2(ig), Iter2(ig+4), Iter1(ib+8), sb*4); 121af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow char ih[] = {0, 1, 1, 1, 1, 2, 3, 0, 1, 2, 3, 4}; 122af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow const unsigned sh = sizeof(ih)/sizeof(ih[0]); 123af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow char ii[] = {1, 1, 2}; 124af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow do_search(Iter1(ih), Iter1(ih+sh), Iter2(ii), Iter2(ii+3), Iter1(ih+3), sh*3); 125af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow} 126af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow 127af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clowint main() { 128af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow test<random_access_iterator<const int*>, random_access_iterator<const int*> >(); 129af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow test2<random_access_iterator<const char*>, random_access_iterator<const char*> >(); 130af9a44f256be54de6874d1eefd1d282d0671c0cfMarshall Clow} 131