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> pair<V1, V2> make_pair(T1&&, T2&&);
12
13 #include <utility>
14 #include <memory>
15 #include <cassert>
16
17 #include "test_macros.h"
18
main(int,char **)19 int main(int, char**)
20 {
21 {
22 typedef std::pair<int, short> P1;
23 P1 p1 = std::make_pair(3, static_cast<short>(4));
24 assert(p1.first == 3);
25 assert(p1.second == 4);
26 }
27
28 #if TEST_STD_VER >= 11
29 {
30 typedef std::pair<std::unique_ptr<int>, short> P1;
31 P1 p1 = std::make_pair(std::unique_ptr<int>(new int(3)), static_cast<short>(4));
32 assert(*p1.first == 3);
33 assert(p1.second == 4);
34 }
35 {
36 typedef std::pair<std::unique_ptr<int>, short> P1;
37 P1 p1 = std::make_pair(nullptr, static_cast<short>(4));
38 assert(p1.first == nullptr);
39 assert(p1.second == 4);
40 }
41 #endif
42 #if TEST_STD_VER >= 14
43 {
44 typedef std::pair<int, short> P1;
45 constexpr P1 p1 = std::make_pair(3, static_cast<short>(4));
46 static_assert(p1.first == 3, "");
47 static_assert(p1.second == 4, "");
48 }
49 #endif
50
51
52 return 0;
53 }
54