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 // pair(const pair&) = default;
15 
16 #include <utility>
17 #include <cassert>
18 
19 #include "test_macros.h"
20 
main()21 int main()
22 {
23     {
24         typedef std::pair<int, short> P1;
25         P1 p1(3, static_cast<short>(4));
26         P1 p2 = p1;
27         assert(p2.first == 3);
28         assert(p2.second == 4);
29     }
30 #if TEST_STD_VER > 11
31     {
32         typedef std::pair<int, short> P1;
33         constexpr P1 p1(3, static_cast<short>(4));
34         constexpr P1 p2 = p1;
35         static_assert(p2.first == 3, "");
36         static_assert(p2.second == 4, "");
37     }
38 #endif
39 }
40