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libcxx/test/std/utilities/utility/pairs/pairs.spec/non_member_swap.pass.cpp

32 lines
834 B
C++

//===----------------------------------------------------------------------===//
//
// 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 T1, class T2> struct pair
// template <class T1, class T2> void swap(pair<T1, T2>& x, pair<T1, T2>& y);
#include <utility>
#include <cassert>
int main()
{
{
typedef std::pair<int, short> P1;
P1 p1(3, static_cast<short>(4));
P1 p2(5, static_cast<short>(6));
swap(p1, p2);
assert(p1.first == 5);
assert(p1.second == 6);
assert(p2.first == 3);
assert(p2.second == 4);
}
}