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//===----------------------------------------------------------------------===//
//
// 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 InIter, OutputIterator<auto, InIter::reference> OutIter>
// OutIter
// rotate_copy(InIter first, InIter middle, InIter last, OutIter result);
#include <algorithm>
#include <cassert>
#include "test_iterators.h"
template <class InIter, class OutIter>
void
test()
{
int ia[] = {0, 1, 2, 3};
const unsigned sa = sizeof(ia)/sizeof(ia[0]);
int ib[sa] = {0};
OutIter r = std::rotate_copy(InIter(ia), InIter(ia), InIter(ia), OutIter(ib));
assert(base(r) == ib);
r = std::rotate_copy(InIter(ia), InIter(ia), InIter(ia+1), OutIter(ib));
assert(base(r) == ib+1);
assert(ib[0] == 0);
r = std::rotate_copy(InIter(ia), InIter(ia+1), InIter(ia+1), OutIter(ib));
assert(base(r) == ib+1);
assert(ib[0] == 0);
r = std::rotate_copy(InIter(ia), InIter(ia), InIter(ia+2), OutIter(ib));
assert(base(r) == ib+2);
assert(ib[0] == 0);
assert(ib[1] == 1);
r = std::rotate_copy(InIter(ia), InIter(ia+1), InIter(ia+2), OutIter(ib));
assert(base(r) == ib+2);
assert(ib[0] == 1);
assert(ib[1] == 0);
r = std::rotate_copy(InIter(ia), InIter(ia+2), InIter(ia+2), OutIter(ib));
assert(base(r) == ib+2);
assert(ib[0] == 0);
assert(ib[1] == 1);
r = std::rotate_copy(InIter(ia), InIter(ia), InIter(ia+3), OutIter(ib));
assert(base(r) == ib+3);
assert(ib[0] == 0);
assert(ib[1] == 1);
assert(ib[2] == 2);
r = std::rotate_copy(InIter(ia), InIter(ia+1), InIter(ia+3), OutIter(ib));
assert(base(r) == ib+3);
assert(ib[0] == 1);
assert(ib[1] == 2);
assert(ib[2] == 0);
r = std::rotate_copy(InIter(ia), InIter(ia+2), InIter(ia+3), OutIter(ib));
assert(base(r) == ib+3);
assert(ib[0] == 2);
assert(ib[1] == 0);
assert(ib[2] == 1);
r = std::rotate_copy(InIter(ia), InIter(ia+3), InIter(ia+3), OutIter(ib));
assert(base(r) == ib+3);
assert(ib[0] == 0);
assert(ib[1] == 1);
assert(ib[2] == 2);
r = std::rotate_copy(InIter(ia), InIter(ia), InIter(ia+4), OutIter(ib));
assert(base(r) == ib+4);
assert(ib[0] == 0);
assert(ib[1] == 1);
assert(ib[2] == 2);
assert(ib[3] == 3);
r = std::rotate_copy(InIter(ia), InIter(ia+1), InIter(ia+4), OutIter(ib));
assert(base(r) == ib+4);
assert(ib[0] == 1);
assert(ib[1] == 2);
assert(ib[2] == 3);
assert(ib[3] == 0);
r = std::rotate_copy(InIter(ia), InIter(ia+2), InIter(ia+4), OutIter(ib));
assert(base(r) == ib+4);
assert(ib[0] == 2);
assert(ib[1] == 3);
assert(ib[2] == 0);
assert(ib[3] == 1);
r = std::rotate_copy(InIter(ia), InIter(ia+3), InIter(ia+4), OutIter(ib));
assert(base(r) == ib+4);
assert(ib[0] == 3);
assert(ib[1] == 0);
assert(ib[2] == 1);
assert(ib[3] == 2);
r = std::rotate_copy(InIter(ia), InIter(ia+4), InIter(ia+4), OutIter(ib));
assert(base(r) == ib+4);
assert(ib[0] == 0);
assert(ib[1] == 1);
assert(ib[2] == 2);
assert(ib[3] == 3);
}
int main()
{
test<bidirectional_iterator<const int*>, output_iterator<int*> >();
test<bidirectional_iterator<const int*>, forward_iterator<int*> >();
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*>, output_iterator<int*> >();
test<random_access_iterator<const int*>, forward_iterator<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*, output_iterator<int*> >();
test<const int*, forward_iterator<int*> >();
test<const int*, bidirectional_iterator<int*> >();
test<const int*, random_access_iterator<int*> >();
test<const int*, int*>();
}
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