libstdc++-v3/testsuite/experimental/memory/shared_ptr/modifiers/reset_neg.cc

   1 // { dg-do compile { target c++14 } }
   2
   3 // Copyright (C) 2016-2024 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 // 8.2.1 Class template shared_ptr [memory.smartptr.shared]
  21
  22 #include <experimental/memory>
  23
  24 struct A { };
  25 struct B : A { };
  26 struct D
  27 {
  28   void operator()(A* p) { delete [] p; ++delete_count; }
  29   static long delete_count;
  30 };
  31 long D::delete_count = 0;
  32
  33 // C++14 §20.8.2.2.4
  34
  35 // reset
  36 void
  37 test01()
  38 {
  39   std::experimental::shared_ptr<A[5]> p1(new A[5]);
  40   p1.reset(new B[1]);           // { dg-error "no matching function" }
  41   p1.reset(new B[5], D());      // { dg-error "no matching function" }
  42   using constA = const A;
  43   p1.reset(new constA[5]);      // { dg-error "no matching function" }
  44   p1.reset(new constA[5], D()); // { dg-error "no matching function" }
  45 }
  46
  47 // { dg-prune-output "enable_if" }