xref: /llvm-project/libcxx/test/std/utilities/utility/pairs/pairs.pair/ctor.copy.pass.cpp (revision da876a157d7985f7f8de906180fa5ad7b685724a)
1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 // <utility>
10 
11 // template <class T1, class T2> struct pair
12 
13 // pair(const pair&) = default;
14 
15 #include <utility>
16 #include <cassert>
17 
18 #include "test_macros.h"
19 
main(int,char **)20 int main(int, char**)
21 {
22     {
23         typedef std::pair<int, short> P1;
24         P1 p1(3, static_cast<short>(4));
25         P1 p2 = p1;
26         assert(p2.first == 3);
27         assert(p2.second == 4);
28     }
29 #if TEST_STD_VER > 11
30     {
31         typedef std::pair<int, short> P1;
32         constexpr P1 p1(3, static_cast<short>(4));
33         constexpr P1 p2 = p1;
34         static_assert(p2.first == 3, "");
35         static_assert(p2.second == 4, "");
36     }
37 #endif
38 
39   return 0;
40 }
41