diff options
Diffstat (limited to 'test/std/algorithms/alg.modifying.operations/alg.copy/copy_backward.pass.cpp')
-rw-r--r-- | test/std/algorithms/alg.modifying.operations/alg.copy/copy_backward.pass.cpp | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/test/std/algorithms/alg.modifying.operations/alg.copy/copy_backward.pass.cpp b/test/std/algorithms/alg.modifying.operations/alg.copy/copy_backward.pass.cpp new file mode 100644 index 0000000000000..039fd2fe026a7 --- /dev/null +++ b/test/std/algorithms/alg.modifying.operations/alg.copy/copy_backward.pass.cpp @@ -0,0 +1,51 @@ +//===----------------------------------------------------------------------===// +// +// 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*>(); +} |