b64f8b07c1
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119395 91177308-0d34-0410-b5e6-96231b3b80d8
111 lines
4.0 KiB
C++
111 lines
4.0 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <algorithm>
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// template<ForwardIterator Iter1, ForwardIterator Iter2>
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// requires HasSwap<Iter1::reference, Iter2::reference>
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// Iter2
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// swap_ranges(Iter1 first1, Iter1 last1, Iter2 first2);
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#include <algorithm>
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#include <cassert>
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#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
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#include <memory>
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#endif
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#include "../../iterators.h"
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template<class Iter1, class Iter2>
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void
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test()
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{
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int i[3] = {1, 2, 3};
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int j[3] = {4, 5, 6};
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Iter2 r = std::swap_ranges(Iter1(i), Iter1(i+3), Iter2(j));
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assert(base(r) == j+3);
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assert(i[0] == 4);
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assert(i[1] == 5);
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assert(i[2] == 6);
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assert(j[0] == 1);
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assert(j[1] == 2);
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assert(j[2] == 3);
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}
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#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
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template<class Iter1, class Iter2>
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void
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test1()
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{
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std::unique_ptr<int> i[3];
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for (int k = 0; k < 3; ++k)
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i[k].reset(new int(k+1));
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std::unique_ptr<int> j[3];
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for (int k = 0; k < 3; ++k)
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j[k].reset(new int(k+4));
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Iter2 r = std::swap_ranges(Iter1(i), Iter1(i+3), Iter2(j));
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assert(base(r) == j+3);
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assert(*i[0] == 4);
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assert(*i[1] == 5);
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assert(*i[2] == 6);
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assert(*j[0] == 1);
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assert(*j[1] == 2);
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assert(*j[2] == 3);
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}
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#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
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int main()
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{
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test<forward_iterator<int*>, forward_iterator<int*> >();
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test<forward_iterator<int*>, bidirectional_iterator<int*> >();
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test<forward_iterator<int*>, random_access_iterator<int*> >();
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test<forward_iterator<int*>, int*>();
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test<bidirectional_iterator<int*>, forward_iterator<int*> >();
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test<bidirectional_iterator<int*>, bidirectional_iterator<int*> >();
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test<bidirectional_iterator<int*>, random_access_iterator<int*> >();
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test<bidirectional_iterator<int*>, int*>();
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test<random_access_iterator<int*>, forward_iterator<int*> >();
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test<random_access_iterator<int*>, bidirectional_iterator<int*> >();
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test<random_access_iterator<int*>, random_access_iterator<int*> >();
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test<random_access_iterator<int*>, int*>();
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test<int*, forward_iterator<int*> >();
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test<int*, bidirectional_iterator<int*> >();
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test<int*, random_access_iterator<int*> >();
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test<int*, int*>();
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#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
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test1<forward_iterator<std::unique_ptr<int>*>, forward_iterator<std::unique_ptr<int>*> >();
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test1<forward_iterator<std::unique_ptr<int>*>, bidirectional_iterator<std::unique_ptr<int>*> >();
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test1<forward_iterator<std::unique_ptr<int>*>, random_access_iterator<std::unique_ptr<int>*> >();
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test1<forward_iterator<std::unique_ptr<int>*>, std::unique_ptr<int>*>();
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test1<bidirectional_iterator<std::unique_ptr<int>*>, forward_iterator<std::unique_ptr<int>*> >();
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test1<bidirectional_iterator<std::unique_ptr<int>*>, bidirectional_iterator<std::unique_ptr<int>*> >();
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test1<bidirectional_iterator<std::unique_ptr<int>*>, random_access_iterator<std::unique_ptr<int>*> >();
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test1<bidirectional_iterator<std::unique_ptr<int>*>, std::unique_ptr<int>*>();
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test1<random_access_iterator<std::unique_ptr<int>*>, forward_iterator<std::unique_ptr<int>*> >();
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test1<random_access_iterator<std::unique_ptr<int>*>, bidirectional_iterator<std::unique_ptr<int>*> >();
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test1<random_access_iterator<std::unique_ptr<int>*>, random_access_iterator<std::unique_ptr<int>*> >();
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test1<random_access_iterator<std::unique_ptr<int>*>, std::unique_ptr<int>*>();
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test1<std::unique_ptr<int>*, forward_iterator<std::unique_ptr<int>*> >();
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test1<std::unique_ptr<int>*, bidirectional_iterator<std::unique_ptr<int>*> >();
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test1<std::unique_ptr<int>*, random_access_iterator<std::unique_ptr<int>*> >();
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test1<std::unique_ptr<int>*, std::unique_ptr<int>*>();
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#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
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}
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