swap.pass.cpp revision b64f8b07c104c6cc986570ac8ee0ed16a9f23976 
1//===----------------------------------------------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is dual licensed under the MIT and the University of Illinois Open
6// Source Licenses. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10// <utility>
11
12// template <class T1, class T2> struct pair
13
14// void swap(pair& p);
15
16#include <utility>
17#include <cassert>
18
19int main()
20{
21    {
22        typedef std::pair<int, short> P1;
23        P1 p1(3, 4);
24        P1 p2(5, 6);
25        p1.swap(p2);
26        assert(p1.first == 5);
27        assert(p1.second == 6);
28        assert(p2.first == 3);
29        assert(p2.second == 4);
30    }
31}
32