//===----------------------------------------------------------------------===// // // 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. // //===----------------------------------------------------------------------===// // <utility> // template<class T> // requires MoveAssignable<T> && MoveConstructible<T> // void // swap(T& a, T& b); #include <utility> #include <cassert> #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES #include <memory> #endif void test() { int i = 1; int j = 2; std::swap(i, j); assert(i == 2); assert(j == 1); } #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES void test1() { std::unique_ptr<int> i(new int(1)); std::unique_ptr<int> j(new int(2)); std::swap(i, j); assert(*i == 2); assert(*j == 1); } #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES int main() { test(); #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES test1(); #endif }