b64f8b07c1
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119395 91177308-0d34-0410-b5e6-96231b3b80d8
43 lines
988 B
C++
43 lines
988 B
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 T1, class T2> struct pair
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// template <class U, class V> pair(pair<U, V>&& p);
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#include <utility>
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#include <memory>
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#include <cassert>
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struct Base
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{
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virtual ~Base() {}
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};
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struct Derived
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: public Base
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{
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};
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int main()
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{
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#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
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{
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typedef std::pair<std::unique_ptr<Derived>, short> P1;
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typedef std::pair<std::unique_ptr<Base>, long> P2;
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P1 p1(std::unique_ptr<Derived>(), 4);
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P2 p2 = std::move(p1);
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assert(p2.first == nullptr);
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assert(p2.second == 4);
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}
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#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
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}
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