copy_ctor.pass.cpp (957B)
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 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 }