forked from mirror/libcxx
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
86 lines
2.9 KiB
C++
86 lines
2.9 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<BidirectionalIterator InIter, BidirectionalIterator OutIter>
|
|
// requires OutputIterator<OutIter, RvalueOf<InIter::reference>::type>
|
|
// OutIter
|
|
// move_backward(InIter first, InIter last, OutIter result);
|
|
|
|
#include <algorithm>
|
|
#include <cassert>
|
|
#include <memory>
|
|
|
|
#include "test_macros.h"
|
|
#include "test_iterators.h"
|
|
|
|
template <class InIter, class OutIter>
|
|
void
|
|
test()
|
|
{
|
|
const unsigned N = 1000;
|
|
int ia[N];
|
|
for (unsigned i = 0; i < N; ++i)
|
|
ia[i] = i;
|
|
int ib[N] = {0};
|
|
|
|
OutIter r = std::move_backward(InIter(ia), InIter(ia+N), OutIter(ib+N));
|
|
assert(base(r) == ib);
|
|
for (unsigned i = 0; i < N; ++i)
|
|
assert(ia[i] == ib[i]);
|
|
}
|
|
|
|
#if TEST_STD_VER >= 11
|
|
template <class InIter, class OutIter>
|
|
void
|
|
test1()
|
|
{
|
|
const unsigned N = 100;
|
|
std::unique_ptr<int> ia[N];
|
|
for (unsigned i = 0; i < N; ++i)
|
|
ia[i].reset(new int(i));
|
|
std::unique_ptr<int> ib[N];
|
|
|
|
OutIter r = std::move_backward(InIter(ia), InIter(ia+N), OutIter(ib+N));
|
|
assert(base(r) == ib);
|
|
for (unsigned i = 0; i < N; ++i)
|
|
assert(*ib[i] == static_cast<int>(i));
|
|
}
|
|
#endif
|
|
|
|
int main()
|
|
{
|
|
test<bidirectional_iterator<const int*>, bidirectional_iterator<int*> >();
|
|
test<bidirectional_iterator<const int*>, random_access_iterator<int*> >();
|
|
test<bidirectional_iterator<const int*>, int*>();
|
|
|
|
test<random_access_iterator<const int*>, bidirectional_iterator<int*> >();
|
|
test<random_access_iterator<const int*>, random_access_iterator<int*> >();
|
|
test<random_access_iterator<const int*>, int*>();
|
|
|
|
test<const int*, bidirectional_iterator<int*> >();
|
|
test<const int*, random_access_iterator<int*> >();
|
|
test<const int*, int*>();
|
|
|
|
#if TEST_STD_VER >= 11
|
|
test1<bidirectional_iterator<std::unique_ptr<int>*>, bidirectional_iterator<std::unique_ptr<int>*> >();
|
|
test1<bidirectional_iterator<std::unique_ptr<int>*>, random_access_iterator<std::unique_ptr<int>*> >();
|
|
test1<bidirectional_iterator<std::unique_ptr<int>*>, std::unique_ptr<int>*>();
|
|
|
|
test1<random_access_iterator<std::unique_ptr<int>*>, bidirectional_iterator<std::unique_ptr<int>*> >();
|
|
test1<random_access_iterator<std::unique_ptr<int>*>, random_access_iterator<std::unique_ptr<int>*> >();
|
|
test1<random_access_iterator<std::unique_ptr<int>*>, std::unique_ptr<int>*>();
|
|
|
|
test1<std::unique_ptr<int>*, bidirectional_iterator<std::unique_ptr<int>*> >();
|
|
test1<std::unique_ptr<int>*, random_access_iterator<std::unique_ptr<int>*> >();
|
|
test1<std::unique_ptr<int>*, std::unique_ptr<int>*>();
|
|
#endif // TEST_STD_VER >= 11
|
|
}
|