libstdc++-v3/testsuite/experimental/memory/shared_ptr/cons/copy_ctor_neg.cc

   1 // { dg-do compile { target c++14 } }
   2
   3 // Copyright (C) 2015-2023 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 { virtual ~A() { } };
  25 struct B : A { };
  26
  27
  28 // 8.2.1.1 shared_ptr constructors [memory.smartptr.shared.const]
  29
  30 // Copy construction
  31
  32 void
  33 test01()
  34 {
  35   std::experimental::shared_ptr<A[3]> a;
  36   a = std::experimental::shared_ptr<B[3]> (new B[3]); // { dg-error "no match " }
  37 }
  38
  39 void
  40 test02()
  41 {
  42   std::experimental::shared_ptr<A[]> a(new A[3]);
  43   std::experimental::shared_ptr<A[2]> spa(a); // { dg-error "no matching" }
  44 }
  45
  46 int
  47 main()
  48 {
  49   test01();
  50   test02();
  51   return 0;
  52 }
  53
  54 // { dg-prune-output "enable_if" }