copy_ctor.pass.cpp revision 3f81e9eebaf662f230d3dff7329098df6ee7e36d 
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
19int main()
20{
21    {
22        typedef std::pair<int, short> P1;
23        P1 p1(3, 4);
24        P1 p2 = p1;
25        assert(p2.first == 3);
26        assert(p2.second == 4);
27    }
28
29    static_assert((std::is_trivially_copy_constructible<std::pair<int, int> >::value), "");
30
31#if _LIBCPP_STD_VER > 11
32    {
33        typedef std::pair<int, short> P1;
34        constexpr P1 p1(3, 4);
35        constexpr P1 p2 = p1;
36        static_assert(p2.first == 3, "");
37        static_assert(p2.second == 4, "");
38    }
39#endif
40}
41