cxx/test/algorithms/alg.nonmodifying/alg.search/search.pass.cpp
Howard Hinnant b64f8b07c1 license change
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119395 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16 22:09:02 +00:00

73 lines
3.6 KiB
C++

//===----------------------------------------------------------------------===//
//
// 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.
//
//===----------------------------------------------------------------------===//
// <algorithm>
// template<ForwardIterator Iter1, ForwardIterator Iter2>
// requires HasEqualTo<Iter1::value_type, Iter2::value_type>
// Iter1
// search(Iter1 first1, Iter1 last1, Iter2 first2, Iter2 last2);
#include <algorithm>
#include <cassert>
#include "../../iterators.h"
template <class Iter1, class Iter2>
void
test()
{
int ia[] = {0, 1, 2, 3, 4, 5};
const unsigned sa = sizeof(ia)/sizeof(ia[0]);
assert(std::search(Iter1(ia), Iter1(ia+sa), Iter2(ia), Iter2(ia)) == Iter1(ia));
assert(std::search(Iter1(ia), Iter1(ia+sa), Iter2(ia), Iter2(ia+1)) == Iter1(ia));
assert(std::search(Iter1(ia), Iter1(ia+sa), Iter2(ia+1), Iter2(ia+2)) == Iter1(ia+1));
assert(std::search(Iter1(ia), Iter1(ia+sa), Iter2(ia+2), Iter2(ia+2)) == Iter1(ia));
assert(std::search(Iter1(ia), Iter1(ia+sa), Iter2(ia+2), Iter2(ia+3)) == Iter1(ia+2));
assert(std::search(Iter1(ia), Iter1(ia+sa), Iter2(ia+2), Iter2(ia+3)) == Iter1(ia+2));
assert(std::search(Iter1(ia), Iter1(ia), Iter2(ia+2), Iter2(ia+3)) == Iter1(ia));
assert(std::search(Iter1(ia), Iter1(ia+sa), Iter2(ia+sa-1), Iter2(ia+sa)) == Iter1(ia+sa-1));
assert(std::search(Iter1(ia), Iter1(ia+sa), Iter2(ia+sa-3), Iter2(ia+sa)) == Iter1(ia+sa-3));
assert(std::search(Iter1(ia), Iter1(ia+sa), Iter2(ia), Iter2(ia+sa)) == Iter1(ia));
assert(std::search(Iter1(ia), Iter1(ia+sa-1), Iter2(ia), Iter2(ia+sa)) == Iter1(ia+sa-1));
assert(std::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};
assert(std::search(Iter1(ib), Iter1(ib+sb), Iter2(ic), Iter2(ic+1)) == Iter1(ib+1));
int id[] = {1, 2};
assert(std::search(Iter1(ib), Iter1(ib+sb), Iter2(id), Iter2(id+2)) == Iter1(ib+1));
int ie[] = {1, 2, 3};
assert(std::search(Iter1(ib), Iter1(ib+sb), Iter2(ie), Iter2(ie+3)) == Iter1(ib+4));
int ig[] = {1, 2, 3, 4};
assert(std::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};
assert(std::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]);
assert(std::search(Iter1(ij), Iter1(ij+sj), Iter2(ik), Iter2(ik+sk)) == Iter1(ij+6));
}
int main()
{
test<forward_iterator<const int*>, forward_iterator<const int*> >();
test<forward_iterator<const int*>, bidirectional_iterator<const int*> >();
test<forward_iterator<const int*>, random_access_iterator<const int*> >();
test<bidirectional_iterator<const int*>, forward_iterator<const int*> >();
test<bidirectional_iterator<const int*>, bidirectional_iterator<const int*> >();
test<bidirectional_iterator<const int*>, random_access_iterator<const int*> >();
test<random_access_iterator<const int*>, forward_iterator<const int*> >();
test<random_access_iterator<const int*>, bidirectional_iterator<const int*> >();
test<random_access_iterator<const int*>, random_access_iterator<const int*> >();
}