test/std/containers/sequences/deque/deque.cons/move_noexcept.pass.cpp

   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 // <deque>
  11
  12 // deque(deque&&)
  13 //        noexcept(is_nothrow_move_constructible<allocator_type>::value);
  14
  15 // This tests a conforming extension
  16
  17 // UNSUPPORTED: c++98, c++03
  18
  19 #include <deque>
  20 #include <cassert>
  21
  22 #include "test_macros.h"
  23 #include "MoveOnly.h"
  24 #include "test_allocator.h"
  25
  26 template <class T>
  27 struct some_alloc
  28 {
  29     typedef T value_type;
  30     some_alloc(const some_alloc&);
  31 };
  32
  33 int main()
  34 {
  35     {
  36         typedef std::deque<MoveOnly> C;
  37         LIBCPP_STATIC_ASSERT(std::is_nothrow_move_constructible<C>::value, "");
  38     }
  39     {
  40         typedef std::deque<MoveOnly, test_allocator<MoveOnly>> C;
  41         LIBCPP_STATIC_ASSERT(std::is_nothrow_move_constructible<C>::value, "");
  42     }
  43     {
  44         typedef std::deque<MoveOnly, other_allocator<MoveOnly>> C;
  45         LIBCPP_STATIC_ASSERT(std::is_nothrow_move_constructible<C>::value, "");
  46     }
  47     {
  48         typedef std::deque<MoveOnly, some_alloc<MoveOnly>> C;
  49         static_assert(!std::is_nothrow_move_constructible<C>::value, "");
  50     }
  51 }