| //===----------------------------------------------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <utility> |
| |
| // template <class T1, class T2> struct pair |
| |
| // template<class U, class V> pair& operator=(const pair<U, V>& p); |
| |
| #include <utility> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| #if TEST_STD_VER >= 11 |
| #include "archetypes.hpp" |
| #endif |
| |
| int main() |
| { |
| { |
| typedef std::pair<int, short> P1; |
| typedef std::pair<double, long> P2; |
| P1 p1(3, static_cast<short>(4)); |
| P2 p2; |
| p2 = p1; |
| assert(p2.first == 3); |
| assert(p2.second == 4); |
| } |
| #if TEST_STD_VER >= 11 |
| { |
| using C = TestTypes::TestType; |
| using P = std::pair<int, C>; |
| using T = std::pair<long, C>; |
| const T t(42, -42); |
| P p(101, 101); |
| C::reset_constructors(); |
| p = t; |
| assert(C::constructed == 0); |
| assert(C::assigned == 1); |
| assert(C::copy_assigned == 1); |
| assert(C::move_assigned == 0); |
| assert(p.first == 42); |
| assert(p.second.value == -42); |
| } |
| #endif |
| } |