libstdc++-v3/testsuite/17_intro/tag_type_explicit_ctor.cc

   1 // { dg-do compile { target c++11 } }
   2
   3 // Copyright (C) 2015-2024 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 3, or (at your option)
   9 // any later version.
  10 //
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15 //
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING3.  If not see
  18 // <http://www.gnu.org/licenses/>.
  19
  20 #include <new>
  21 #include <utility>
  22 #include <memory>
  23
  24 #if __STDC_HOSTED__
  25 #  include <mutex>
  26 #endif
  27
  28 void f1(std::nothrow_t);
  29 void f2(std::piecewise_construct_t);
  30 void f3(std::allocator_arg_t);
  31 #if __STDC_HOSTED__
  32 void f4(std::defer_lock_t);
  33 void f5(std::try_to_lock_t);
  34 void f6(std::adopt_lock_t);
  35 #endif
  36
  37 #pragma GCC diagnostic ignored "-Wunused-variable"
  38
  39 int main()
  40 {
  41   std::nothrow_t v1;
  42   std::piecewise_construct_t v2;
  43   std::allocator_arg_t v3;
  44 #if __STDC_HOSTED__
  45   std::defer_lock_t v4;
  46   std::try_to_lock_t v5;
  47   std::try_to_lock_t v6;
  48 #endif
  49   std::nothrow_t v7 = {}; // { dg-error "explicit" }
  50   std::piecewise_construct_t v8 = {}; // { dg-error "explicit" }
  51   std::allocator_arg_t v9 = {}; // { dg-error "explicit" }
  52 #if __STDC_HOSTED__
  53   std::defer_lock_t v10 = {};  // { dg-error "explicit" "" { target hosted } }
  54   std::try_to_lock_t v11 = {}; // { dg-error "explicit" "" { target hosted } }
  55   std::try_to_lock_t v12 = {}; // { dg-error "explicit" "" { target hosted } }
  56 #endif
  57   f1(std::nothrow_t{});
  58   f2(std::piecewise_construct_t{});
  59   f3(std::allocator_arg_t{});
  60   f1({}); // { dg-error "explicit" }
  61   f2({}); // { dg-error "explicit" }
  62   f3({}); // { dg-error "explicit" }
  63 #if __STDC_HOSTED__
  64   f4(std::defer_lock_t{});
  65   f5(std::try_to_lock_t{});
  66   f6(std::adopt_lock_t{});
  67   f4({}); // { dg-error "explicit" "" { target hosted } }
  68   f5({}); // { dg-error "explicit" "" { target hosted } }
  69   f6({}); // { dg-error "explicit" "" { target hosted } }
  70 #endif
  71 }