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