forked from OSchip/llvm-project
54 lines
1.0 KiB
C++
54 lines
1.0 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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// <utility>
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// template<class T>
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// requires MoveAssignable<T> && MoveConstructible<T>
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// void
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// swap(T& a, T& b);
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#include <utility>
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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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void
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test()
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{
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int i = 1;
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int j = 2;
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std::swap(i, j);
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assert(i == 2);
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assert(j == 1);
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}
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#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
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void
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test1()
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{
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std::unique_ptr<int> i(new int(1));
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std::unique_ptr<int> j(new int(2));
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std::swap(i, j);
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assert(*i == 2);
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assert(*j == 1);
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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();
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#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
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test1();
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#endif
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}
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