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      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(pair const&) = default;
     15 // pair(pair&&) = default;
     16 
     17 // Doesn't pass due to use of is_trivially_* trait.
     18 // XFAIL: gcc-4.9
     19 
     20 #include <utility>
     21 #include <cassert>
     22 
     23 #include "test_macros.h"
     24 
     25 struct Dummy {
     26   Dummy(Dummy const&) = delete;
     27   Dummy(Dummy &&) = default;
     28 };
     29 
     30 int main()
     31 {
     32     typedef std::pair<int, short> P;
     33     {
     34         static_assert(std::is_copy_constructible<P>::value, "");
     35 #if !defined(_LIBCPP_DEPRECATED_ABI_DISABLE_PAIR_TRIVIAL_COPY_CTOR)
     36         static_assert(std::is_trivially_copy_constructible<P>::value, "");
     37 #endif
     38     }
     39 #if TEST_STD_VER >= 11
     40     {
     41         static_assert(std::is_move_constructible<P>::value, "");
     42 #if !defined(_LIBCPP_DEPRECATED_ABI_DISABLE_PAIR_TRIVIAL_COPY_CTOR)
     43         static_assert(std::is_trivially_move_constructible<P>::value, "");
     44 #endif
     45     }
     46     {
     47         using P1 = std::pair<Dummy, int>;
     48         static_assert(!std::is_copy_constructible<P1>::value, "");
     49         static_assert(!std::is_trivially_copy_constructible<P1>::value, "");
     50         static_assert(std::is_move_constructible<P1>::value, "");
     51 #if !defined(_LIBCPP_DEPRECATED_ABI_DISABLE_PAIR_TRIVIAL_COPY_CTOR)
     52         static_assert(std::is_trivially_move_constructible<P1>::value, "");
     53 #endif
     54     }
     55 #endif
     56 }
     57