83e2c4d877
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@171594 91177308-0d34-0410-b5e6-96231b3b80d8
52 lines
1.5 KiB
C++
52 lines
1.5 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, InIter::reference>
|
|
// OutIter
|
|
// copy_backward(InIter first, InIter last, OutIter result);
|
|
|
|
#include <algorithm>
|
|
#include <cassert>
|
|
|
|
#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::copy_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]);
|
|
}
|
|
|
|
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*>();
|
|
}
|