diff options
Diffstat (limited to 'libcxx/test/std/utilities/function.objects/func.search/func.search.bm')
4 files changed, 531 insertions, 0 deletions
diff --git a/libcxx/test/std/utilities/function.objects/func.search/func.search.bm/default.pass.cpp b/libcxx/test/std/utilities/function.objects/func.search/func.search.bm/default.pass.cpp new file mode 100644 index 00000000000..c328b4a4e7a --- /dev/null +++ b/libcxx/test/std/utilities/function.objects/func.search/func.search.bm/default.pass.cpp @@ -0,0 +1,129 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// UNSUPPORTED: c++98, c++03, c++11, c++14 +// XFAIL: c++17, c++2a + +// <functional> + +// boyer_moore searcher +// template<class RandomAccessIterator1, +// class Hash = hash<typename iterator_traits<RandomAccessIterator1>::value_type>, +// class BinaryPredicate = equal_to<>> +// class boyer_moore_searcher { +// public: +// boyer_moore_searcher(RandomAccessIterator1 pat_first, RandomAccessIterator1 pat_last, +// Hash hf = Hash(), BinaryPredicate pred = BinaryPredicate()); +// +// template<class RandomAccessIterator2> +// pair<RandomAccessIterator2, RandomAccessIterator2> +// operator()(RandomAccessIterator2 first, RandomAccessIterator2 last) const; +// +// private: +// RandomAccessIterator1 pat_first_; // exposition only +// RandomAccessIterator1 pat_last_; // exposition only +// Hash hash_; // exposition only +// BinaryPredicate pred_; // exposition only +// }; + + +#include <algorithm> +#include <functional> +#include <cassert> + +#include "test_iterators.h" + +template <typename Iter1, typename Iter2> +void do_search(Iter1 b1, Iter1 e1, Iter2 b2, Iter2 e2, Iter1 result) { + std::boyer_moore_searcher<Iter2> s{b2, e2}; + assert(result == std::search(b1, e1, s)); +} + +template <class Iter1, class Iter2> +void +test() +{ + int ia[] = {0, 1, 2, 3, 4, 5}; + const unsigned sa = sizeof(ia)/sizeof(ia[0]); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia), Iter2(ia), Iter1(ia)); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia), Iter2(ia+1), Iter1(ia)); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+1), Iter2(ia+2), Iter1(ia+1)); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+2), Iter2(ia+2), Iter1(ia)); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+2), Iter2(ia+3), Iter1(ia+2)); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+2), Iter2(ia+3), Iter1(ia+2)); + do_search(Iter1(ia), Iter1(ia), Iter2(ia+2), Iter2(ia+3), Iter1(ia)); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+sa-1), Iter2(ia+sa), Iter1(ia+sa-1)); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+sa-3), Iter2(ia+sa), Iter1(ia+sa-3)); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia), Iter2(ia+sa), Iter1(ia)); + do_search(Iter1(ia), Iter1(ia+sa-1), Iter2(ia), Iter2(ia+sa), Iter1(ia+sa-1)); + do_search(Iter1(ia), Iter1(ia+1), Iter2(ia), Iter2(ia+sa), Iter1(ia+1)); + int ib[] = {0, 1, 2, 0, 1, 2, 3, 0, 1, 2, 3, 4}; + const unsigned sb = sizeof(ib)/sizeof(ib[0]); + int ic[] = {1}; + do_search(Iter1(ib), Iter1(ib+sb), Iter2(ic), Iter2(ic+1), Iter1(ib+1)); + int id[] = {1, 2}; + do_search(Iter1(ib), Iter1(ib+sb), Iter2(id), Iter2(id+2), Iter1(ib+1)); + int ie[] = {1, 2, 3}; + do_search(Iter1(ib), Iter1(ib+sb), Iter2(ie), Iter2(ie+3), Iter1(ib+4)); + int ig[] = {1, 2, 3, 4}; + do_search(Iter1(ib), Iter1(ib+sb), Iter2(ig), Iter2(ig+4), Iter1(ib+8)); + int ih[] = {0, 1, 1, 1, 1, 2, 3, 0, 1, 2, 3, 4}; + const unsigned sh = sizeof(ih)/sizeof(ih[0]); + int ii[] = {1, 1, 2}; + do_search(Iter1(ih), Iter1(ih+sh), Iter2(ii), Iter2(ii+3), Iter1(ih+3)); + int ij[] = {0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0}; + const unsigned sj = sizeof(ij)/sizeof(ij[0]); + int ik[] = {0, 0, 0, 0, 1, 1, 1, 1, 0, 0}; + const unsigned sk = sizeof(ik)/sizeof(ik[0]); + do_search(Iter1(ij), Iter1(ij+sj), Iter2(ik), Iter2(ik+sk), Iter1(ij+6)); +} + +template <class Iter1, class Iter2> +void +test2() +{ + char ia[] = {0, 1, 2, 3, 4, 5}; + const unsigned sa = sizeof(ia)/sizeof(ia[0]); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia), Iter2(ia), Iter1(ia)); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia), Iter2(ia+1), Iter1(ia)); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+1), Iter2(ia+2), Iter1(ia+1)); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+2), Iter2(ia+2), Iter1(ia)); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+2), Iter2(ia+3), Iter1(ia+2)); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+2), Iter2(ia+3), Iter1(ia+2)); + do_search(Iter1(ia), Iter1(ia), Iter2(ia+2), Iter2(ia+3), Iter1(ia)); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+sa-1), Iter2(ia+sa), Iter1(ia+sa-1)); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+sa-3), Iter2(ia+sa), Iter1(ia+sa-3)); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia), Iter2(ia+sa), Iter1(ia)); + do_search(Iter1(ia), Iter1(ia+sa-1), Iter2(ia), Iter2(ia+sa), Iter1(ia+sa-1)); + do_search(Iter1(ia), Iter1(ia+1), Iter2(ia), Iter2(ia+sa), Iter1(ia+1)); + char ib[] = {0, 1, 2, 0, 1, 2, 3, 0, 1, 2, 3, 4}; + const unsigned sb = sizeof(ib)/sizeof(ib[0]); + char ic[] = {1}; + do_search(Iter1(ib), Iter1(ib+sb), Iter2(ic), Iter2(ic+1), Iter1(ib+1)); + char id[] = {1, 2}; + do_search(Iter1(ib), Iter1(ib+sb), Iter2(id), Iter2(id+2), Iter1(ib+1)); + char ie[] = {1, 2, 3}; + do_search(Iter1(ib), Iter1(ib+sb), Iter2(ie), Iter2(ie+3), Iter1(ib+4)); + char ig[] = {1, 2, 3, 4}; + do_search(Iter1(ib), Iter1(ib+sb), Iter2(ig), Iter2(ig+4), Iter1(ib+8)); + char ih[] = {0, 1, 1, 1, 1, 2, 3, 0, 1, 2, 3, 4}; + const unsigned sh = sizeof(ih)/sizeof(ih[0]); + char ii[] = {1, 1, 2}; + do_search(Iter1(ih), Iter1(ih+sh), Iter2(ii), Iter2(ii+3), Iter1(ih+3)); + char ij[] = {0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0}; + const unsigned sj = sizeof(ij)/sizeof(ij[0]); + char ik[] = {0, 0, 0, 0, 1, 1, 1, 1, 0, 0}; + const unsigned sk = sizeof(ik)/sizeof(ik[0]); + do_search(Iter1(ij), Iter1(ij+sj), Iter2(ik), Iter2(ik+sk), Iter1(ij+6)); +} + +int main() { + test<random_access_iterator<const int*>, random_access_iterator<const int*> >(); + test2<random_access_iterator<const char*>, random_access_iterator<const char*> >(); +} diff --git a/libcxx/test/std/utilities/function.objects/func.search/func.search.bm/hash.pass.cpp b/libcxx/test/std/utilities/function.objects/func.search/func.search.bm/hash.pass.cpp new file mode 100644 index 00000000000..f4ad7cd783b --- /dev/null +++ b/libcxx/test/std/utilities/function.objects/func.search/func.search.bm/hash.pass.cpp @@ -0,0 +1,125 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// UNSUPPORTED: c++98, c++03, c++11, C++14 +// XFAIL: c++17, c++2a + +// <functional> + +// boyer_moore searcher +// template<class RandomAccessIterator1, +// class Hash = hash<typename iterator_traits<RandomAccessIterator1>::value_type>, +// class BinaryPredicate = equal_to<>> +// class boyer_moore_searcher { +// public: +// boyer_moore_searcher(RandomAccessIterator1 pat_first, RandomAccessIterator1 pat_last, +// Hash hf = Hash(), BinaryPredicate pred = BinaryPredicate()); +// +// template<class RandomAccessIterator2> +// pair<RandomAccessIterator2, RandomAccessIterator2> +// operator()(RandomAccessIterator2 first, RandomAccessIterator2 last) const; +// +// private: +// RandomAccessIterator1 pat_first_; // exposition only +// RandomAccessIterator1 pat_last_; // exposition only +// Hash hash_; // exposition only +// BinaryPredicate pred_; // exposition only +// }; + + +#include <algorithm> +#include <functional> +#include <cassert> + +#include "test_iterators.h" + +template <typename T> struct MyHash { + size_t operator () (T t) const { return static_cast<size_t>(t); } +}; + +template <typename Iter1, typename Iter2> +void do_search(Iter1 b1, Iter1 e1, Iter2 b2, Iter2 e2, Iter1 result, unsigned /*max_count*/) { + std::boyer_moore_searcher<Iter2, + MyHash<typename std::remove_cv<typename std::iterator_traits<Iter2>::value_type>::type>> + s{b2, e2}; + assert(result == std::search(b1, e1, s)); +} + +template <class Iter1, class Iter2> +void +test() +{ + int ia[] = {0, 1, 2, 3, 4, 5}; + const unsigned sa = sizeof(ia)/sizeof(ia[0]); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia), Iter2(ia), Iter1(ia), 0); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia), Iter2(ia+1), Iter1(ia), sa); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+1), Iter2(ia+2), Iter1(ia+1), sa); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+2), Iter2(ia+2), Iter1(ia), 0); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+2), Iter2(ia+3), Iter1(ia+2), sa); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+2), Iter2(ia+3), Iter1(ia+2), sa); + do_search(Iter1(ia), Iter1(ia), Iter2(ia+2), Iter2(ia+3), Iter1(ia), 0); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+sa-1), Iter2(ia+sa), Iter1(ia+sa-1), sa); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+sa-3), Iter2(ia+sa), Iter1(ia+sa-3), 3*sa); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia), Iter2(ia+sa), Iter1(ia), sa*sa); + do_search(Iter1(ia), Iter1(ia+sa-1), Iter2(ia), Iter2(ia+sa), Iter1(ia+sa-1), (sa-1)*sa); + do_search(Iter1(ia), Iter1(ia+1), Iter2(ia), Iter2(ia+sa), Iter1(ia+1), sa); + int ib[] = {0, 1, 2, 0, 1, 2, 3, 0, 1, 2, 3, 4}; + const unsigned sb = sizeof(ib)/sizeof(ib[0]); + int ic[] = {1}; + do_search(Iter1(ib), Iter1(ib+sb), Iter2(ic), Iter2(ic+1), Iter1(ib+1), sb); + int id[] = {1, 2}; + do_search(Iter1(ib), Iter1(ib+sb), Iter2(id), Iter2(id+2), Iter1(ib+1), sb*2); + int ie[] = {1, 2, 3}; + do_search(Iter1(ib), Iter1(ib+sb), Iter2(ie), Iter2(ie+3), Iter1(ib+4), sb*3); + int ig[] = {1, 2, 3, 4}; + do_search(Iter1(ib), Iter1(ib+sb), Iter2(ig), Iter2(ig+4), Iter1(ib+8), sb*4); + int ih[] = {0, 1, 1, 1, 1, 2, 3, 0, 1, 2, 3, 4}; + const unsigned sh = sizeof(ih)/sizeof(ih[0]); + int ii[] = {1, 1, 2}; + do_search(Iter1(ih), Iter1(ih+sh), Iter2(ii), Iter2(ii+3), Iter1(ih+3), sh*3); +} + +template <class Iter1, class Iter2> +void +test2() +{ + char ia[] = {0, 1, 2, 3, 4, 5}; + const unsigned sa = sizeof(ia)/sizeof(ia[0]); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia), Iter2(ia), Iter1(ia), 0); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia), Iter2(ia+1), Iter1(ia), sa); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+1), Iter2(ia+2), Iter1(ia+1), sa); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+2), Iter2(ia+2), Iter1(ia), 0); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+2), Iter2(ia+3), Iter1(ia+2), sa); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+2), Iter2(ia+3), Iter1(ia+2), sa); + do_search(Iter1(ia), Iter1(ia), Iter2(ia+2), Iter2(ia+3), Iter1(ia), 0); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+sa-1), Iter2(ia+sa), Iter1(ia+sa-1), sa); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+sa-3), Iter2(ia+sa), Iter1(ia+sa-3), 3*sa); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia), Iter2(ia+sa), Iter1(ia), sa*sa); + do_search(Iter1(ia), Iter1(ia+sa-1), Iter2(ia), Iter2(ia+sa), Iter1(ia+sa-1), (sa-1)*sa); + do_search(Iter1(ia), Iter1(ia+1), Iter2(ia), Iter2(ia+sa), Iter1(ia+1), sa); + char ib[] = {0, 1, 2, 0, 1, 2, 3, 0, 1, 2, 3, 4}; + const unsigned sb = sizeof(ib)/sizeof(ib[0]); + char ic[] = {1}; + do_search(Iter1(ib), Iter1(ib+sb), Iter2(ic), Iter2(ic+1), Iter1(ib+1), sb); + char id[] = {1, 2}; + do_search(Iter1(ib), Iter1(ib+sb), Iter2(id), Iter2(id+2), Iter1(ib+1), sb*2); + char ie[] = {1, 2, 3}; + do_search(Iter1(ib), Iter1(ib+sb), Iter2(ie), Iter2(ie+3), Iter1(ib+4), sb*3); + char ig[] = {1, 2, 3, 4}; + do_search(Iter1(ib), Iter1(ib+sb), Iter2(ig), Iter2(ig+4), Iter1(ib+8), sb*4); + char ih[] = {0, 1, 1, 1, 1, 2, 3, 0, 1, 2, 3, 4}; + const unsigned sh = sizeof(ih)/sizeof(ih[0]); + char ii[] = {1, 1, 2}; + do_search(Iter1(ih), Iter1(ih+sh), Iter2(ii), Iter2(ii+3), Iter1(ih+3), sh*3); +} + +int main() { + test<random_access_iterator<const int*>, random_access_iterator<const int*> >(); + test2<random_access_iterator<const char*>, random_access_iterator<const char*> >(); +} diff --git a/libcxx/test/std/utilities/function.objects/func.search/func.search.bm/hash.pred.pass.cpp b/libcxx/test/std/utilities/function.objects/func.search/func.search.bm/hash.pred.pass.cpp new file mode 100644 index 00000000000..f7b8e4983e5 --- /dev/null +++ b/libcxx/test/std/utilities/function.objects/func.search/func.search.bm/hash.pred.pass.cpp @@ -0,0 +1,143 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// UNSUPPORTED: c++98, c++03, c++11, c++14 +// XFAIL: c++17, c++2a + +// <functional> + +// boyer_moore searcher +// template<class RandomAccessIterator1, +// class Hash = hash<typename iterator_traits<RandomAccessIterator1>::value_type>, +// class BinaryPredicate = equal_to<>> +// class boyer_moore_searcher { +// public: +// boyer_moore_searcher(RandomAccessIterator1 pat_first, RandomAccessIterator1 pat_last, +// Hash hf = Hash(), BinaryPredicate pred = BinaryPredicate()); +// +// template<class RandomAccessIterator2> +// pair<RandomAccessIterator2, RandomAccessIterator2> +// operator()(RandomAccessIterator2 first, RandomAccessIterator2 last) const; +// +// private: +// RandomAccessIterator1 pat_first_; // exposition only +// RandomAccessIterator1 pat_last_; // exposition only +// Hash hash_; // exposition only +// BinaryPredicate pred_; // exposition only +// }; + + +#include <algorithm> +#include <functional> +#include <cassert> + +#include "test_iterators.h" + +template <typename T> struct MyHash { + size_t operator () (T t) const { return static_cast<size_t>(t); } +}; + +struct count_equal +{ + static unsigned count; + template <class T> + bool operator()(const T& x, const T& y) const + {++count; return x == y;} +}; + +unsigned count_equal::count = 0; + +template <typename Iter1, typename Iter2> +void do_search(Iter1 b1, Iter1 e1, Iter2 b2, Iter2 e2, Iter1 result, unsigned max_count) { + std::boyer_moore_searcher<Iter2, + MyHash<typename std::remove_cv<typename std::iterator_traits<Iter2>::value_type>::type>, + count_equal> + s{b2, e2}; + count_equal::count = 0; + assert(result == std::search(b1, e1, s)); + assert(count_equal::count <= max_count); +} + +template <class Iter1, class Iter2> +void +test() +{ + int ia[] = {0, 1, 2, 3, 4, 5}; + const unsigned sa = sizeof(ia)/sizeof(ia[0]); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia), Iter2(ia), Iter1(ia), 0); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia), Iter2(ia+1), Iter1(ia), sa); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+1), Iter2(ia+2), Iter1(ia+1), sa); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+2), Iter2(ia+2), Iter1(ia), 0); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+2), Iter2(ia+3), Iter1(ia+2), sa); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+2), Iter2(ia+3), Iter1(ia+2), sa); + do_search(Iter1(ia), Iter1(ia), Iter2(ia+2), Iter2(ia+3), Iter1(ia), 0); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+sa-1), Iter2(ia+sa), Iter1(ia+sa-1), sa); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+sa-3), Iter2(ia+sa), Iter1(ia+sa-3), 3*sa); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia), Iter2(ia+sa), Iter1(ia), sa*sa); + do_search(Iter1(ia), Iter1(ia+sa-1), Iter2(ia), Iter2(ia+sa), Iter1(ia+sa-1), (sa-1)*sa); + + do_search(Iter1(ia), Iter1(ia+1), Iter2(ia), Iter2(ia+sa), Iter1(ia+1), sa); + + int ib[] = {0, 1, 2, 0, 1, 2, 3, 0, 1, 2, 3, 4}; + const unsigned sb = sizeof(ib)/sizeof(ib[0]); + int ic[] = {1}; + do_search(Iter1(ib), Iter1(ib+sb), Iter2(ic), Iter2(ic+1), Iter1(ib+1), sb); + int id[] = {1, 2}; + do_search(Iter1(ib), Iter1(ib+sb), Iter2(id), Iter2(id+2), Iter1(ib+1), sb*2); + int ie[] = {1, 2, 3}; + do_search(Iter1(ib), Iter1(ib+sb), Iter2(ie), Iter2(ie+3), Iter1(ib+4), sb*3); + int ig[] = {1, 2, 3, 4}; + do_search(Iter1(ib), Iter1(ib+sb), Iter2(ig), Iter2(ig+4), Iter1(ib+8), sb*4); + int ih[] = {0, 1, 1, 1, 1, 2, 3, 0, 1, 2, 3, 4}; + const unsigned sh = sizeof(ih)/sizeof(ih[0]); + int ii[] = {1, 1, 2}; + do_search(Iter1(ih), Iter1(ih+sh), Iter2(ii), Iter2(ii+3), Iter1(ih+3), sh*3); + +} + +template <class Iter1, class Iter2> +void +test2() +{ + char ia[] = {0, 1, 2, 3, 4, 5}; + const unsigned sa = sizeof(ia)/sizeof(ia[0]); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia), Iter2(ia), Iter1(ia), 0); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia), Iter2(ia+1), Iter1(ia), sa); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+1), Iter2(ia+2), Iter1(ia+1), sa); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+2), Iter2(ia+2), Iter1(ia), 0); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+2), Iter2(ia+3), Iter1(ia+2), sa); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+2), Iter2(ia+3), Iter1(ia+2), sa); + do_search(Iter1(ia), Iter1(ia), Iter2(ia+2), Iter2(ia+3), Iter1(ia), 0); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+sa-1), Iter2(ia+sa), Iter1(ia+sa-1), sa); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+sa-3), Iter2(ia+sa), Iter1(ia+sa-3), 3*sa); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia), Iter2(ia+sa), Iter1(ia), sa*sa); + do_search(Iter1(ia), Iter1(ia+sa-1), Iter2(ia), Iter2(ia+sa), Iter1(ia+sa-1), (sa-1)*sa); + + do_search(Iter1(ia), Iter1(ia+1), Iter2(ia), Iter2(ia+sa), Iter1(ia+1), sa); + + char ib[] = {0, 1, 2, 0, 1, 2, 3, 0, 1, 2, 3, 4}; + const unsigned sb = sizeof(ib)/sizeof(ib[0]); + char ic[] = {1}; + do_search(Iter1(ib), Iter1(ib+sb), Iter2(ic), Iter2(ic+1), Iter1(ib+1), sb); + char id[] = {1, 2}; + do_search(Iter1(ib), Iter1(ib+sb), Iter2(id), Iter2(id+2), Iter1(ib+1), sb*2); + char ie[] = {1, 2, 3}; + do_search(Iter1(ib), Iter1(ib+sb), Iter2(ie), Iter2(ie+3), Iter1(ib+4), sb*3); + char ig[] = {1, 2, 3, 4}; + do_search(Iter1(ib), Iter1(ib+sb), Iter2(ig), Iter2(ig+4), Iter1(ib+8), sb*4); + char ih[] = {0, 1, 1, 1, 1, 2, 3, 0, 1, 2, 3, 4}; + const unsigned sh = sizeof(ih)/sizeof(ih[0]); + char ii[] = {1, 1, 2}; + do_search(Iter1(ih), Iter1(ih+sh), Iter2(ii), Iter2(ii+3), Iter1(ih+3), sh*3); +} + +int main() { + test<random_access_iterator<const int*>, random_access_iterator<const int*> >(); + test2<random_access_iterator<const char*>, random_access_iterator<const char*> >(); +} diff --git a/libcxx/test/std/utilities/function.objects/func.search/func.search.bm/pred.pass.cpp b/libcxx/test/std/utilities/function.objects/func.search/func.search.bm/pred.pass.cpp new file mode 100644 index 00000000000..17121d2809a --- /dev/null +++ b/libcxx/test/std/utilities/function.objects/func.search/func.search.bm/pred.pass.cpp @@ -0,0 +1,134 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// UNSUPPORTED: c++98, c++03, c++11, c++14 +// XFAIL: c++17, c++2a + +// <functional> + +// boyer_moore searcher +// template<class RandomAccessIterator1, +// class Hash = hash<typename iterator_traits<RandomAccessIterator1>::value_type>, +// class BinaryPredicate = equal_to<>> +// class boyer_moore_searcher { +// public: +// boyer_moore_searcher(RandomAccessIterator1 pat_first, RandomAccessIterator1 pat_last, +// Hash hf = Hash(), BinaryPredicate pred = BinaryPredicate()); +// +// template<class RandomAccessIterator2> +// pair<RandomAccessIterator2, RandomAccessIterator2> +// operator()(RandomAccessIterator2 first, RandomAccessIterator2 last) const; +// +// private: +// RandomAccessIterator1 pat_first_; // exposition only +// RandomAccessIterator1 pat_last_; // exposition only +// Hash hash_; // exposition only +// BinaryPredicate pred_; // exposition only +// }; + + +#include <algorithm> +#include <functional> +#include <cassert> + +#include "test_iterators.h" + +struct count_equal +{ + static unsigned count; + template <class T> + bool operator()(const T& x, const T& y) const + {++count; return x == y;} +}; + +unsigned count_equal::count = 0; + +template <typename Iter1, typename Iter2> +void do_search(Iter1 b1, Iter1 e1, Iter2 b2, Iter2 e2, Iter1 result, unsigned max_count) { + std::boyer_moore_searcher<Iter2, + typename std::hash<typename std::remove_cv<typename std::iterator_traits<Iter2>::value_type>::type>, count_equal> s{b2, e2}; + count_equal::count = 0; + assert(result == std::search(b1, e1, s)); + assert(count_equal::count <= max_count); +} + +template <class Iter1, class Iter2> +void +test() +{ + int ia[] = {0, 1, 2, 3, 4, 5}; + const unsigned sa = sizeof(ia)/sizeof(ia[0]); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia), Iter2(ia), Iter1(ia), 0); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia), Iter2(ia+1), Iter1(ia), sa); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+1), Iter2(ia+2), Iter1(ia+1), sa); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+2), Iter2(ia+2), Iter1(ia), 0); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+2), Iter2(ia+3), Iter1(ia+2), sa); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+2), Iter2(ia+3), Iter1(ia+2), sa); + do_search(Iter1(ia), Iter1(ia), Iter2(ia+2), Iter2(ia+3), Iter1(ia), 0); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+sa-1), Iter2(ia+sa), Iter1(ia+sa-1), sa); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+sa-3), Iter2(ia+sa), Iter1(ia+sa-3), 3*sa); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia), Iter2(ia+sa), Iter1(ia), sa*sa); + do_search(Iter1(ia), Iter1(ia+sa-1), Iter2(ia), Iter2(ia+sa), Iter1(ia+sa-1), (sa-1)*sa); + + do_search(Iter1(ia), Iter1(ia+1), Iter2(ia), Iter2(ia+sa), Iter1(ia+1), sa); + + int ib[] = {0, 1, 2, 0, 1, 2, 3, 0, 1, 2, 3, 4}; + const unsigned sb = sizeof(ib)/sizeof(ib[0]); + int ic[] = {1}; + do_search(Iter1(ib), Iter1(ib+sb), Iter2(ic), Iter2(ic+1), Iter1(ib+1), sb); + int id[] = {1, 2}; + do_search(Iter1(ib), Iter1(ib+sb), Iter2(id), Iter2(id+2), Iter1(ib+1), sb*2); + int ie[] = {1, 2, 3}; + do_search(Iter1(ib), Iter1(ib+sb), Iter2(ie), Iter2(ie+3), Iter1(ib+4), sb*3); + int ig[] = {1, 2, 3, 4}; + do_search(Iter1(ib), Iter1(ib+sb), Iter2(ig), Iter2(ig+4), Iter1(ib+8), sb*4); + int ih[] = {0, 1, 1, 1, 1, 2, 3, 0, 1, 2, 3, 4}; + const unsigned sh = sizeof(ih)/sizeof(ih[0]); + int ii[] = {1, 1, 2}; + do_search(Iter1(ih), Iter1(ih+sh), Iter2(ii), Iter2(ii+3), Iter1(ih+3), sh*3); +} + +template <class Iter1, class Iter2> +void +test2() +{ + char ia[] = {0, 1, 2, 3, 4, 5}; + const unsigned sa = sizeof(ia)/sizeof(ia[0]); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia), Iter2(ia), Iter1(ia), 0); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia), Iter2(ia+1), Iter1(ia), sa); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+1), Iter2(ia+2), Iter1(ia+1), sa); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+2), Iter2(ia+2), Iter1(ia), 0); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+2), Iter2(ia+3), Iter1(ia+2), sa); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+2), Iter2(ia+3), Iter1(ia+2), sa); + do_search(Iter1(ia), Iter1(ia), Iter2(ia+2), Iter2(ia+3), Iter1(ia), 0); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+sa-1), Iter2(ia+sa), Iter1(ia+sa-1), sa); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia+sa-3), Iter2(ia+sa), Iter1(ia+sa-3), 3*sa); + do_search(Iter1(ia), Iter1(ia+sa), Iter2(ia), Iter2(ia+sa), Iter1(ia), sa*sa); + do_search(Iter1(ia), Iter1(ia+sa-1), Iter2(ia), Iter2(ia+sa), Iter1(ia+sa-1), (sa-1)*sa); + do_search(Iter1(ia), Iter1(ia+1), Iter2(ia), Iter2(ia+sa), Iter1(ia+1), sa); + char ib[] = {0, 1, 2, 0, 1, 2, 3, 0, 1, 2, 3, 4}; + const unsigned sb = sizeof(ib)/sizeof(ib[0]); + char ic[] = {1}; + do_search(Iter1(ib), Iter1(ib+sb), Iter2(ic), Iter2(ic+1), Iter1(ib+1), sb); + char id[] = {1, 2}; + do_search(Iter1(ib), Iter1(ib+sb), Iter2(id), Iter2(id+2), Iter1(ib+1), sb*2); + char ie[] = {1, 2, 3}; + do_search(Iter1(ib), Iter1(ib+sb), Iter2(ie), Iter2(ie+3), Iter1(ib+4), sb*3); + char ig[] = {1, 2, 3, 4}; + do_search(Iter1(ib), Iter1(ib+sb), Iter2(ig), Iter2(ig+4), Iter1(ib+8), sb*4); + char ih[] = {0, 1, 1, 1, 1, 2, 3, 0, 1, 2, 3, 4}; + const unsigned sh = sizeof(ih)/sizeof(ih[0]); + char ii[] = {1, 1, 2}; + do_search(Iter1(ih), Iter1(ih+sh), Iter2(ii), Iter2(ii+3), Iter1(ih+3), sh*3); +} + +int main() { + test<random_access_iterator<const int*>, random_access_iterator<const int*> >(); + test2<random_access_iterator<const char*>, random_access_iterator<const char*> >(); +} |
