libstdc++-v3/testsuite/23_containers/vector/cons/89164.cc

   1 // Copyright (C) 2019-2025 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // { dg-do compile { target c++11 } }
  19
  20 #include <vector>
  21
  22 // PR libstdc++/89164
  23
  24 struct X
  25 {
  26   X() = default;
  27   X(const X&) = delete;
  28 };
  29
  30 void test01()
  31 {
  32   X x[1];
  33   // Should not be able to create vector using uninitialized_copy:
  34   std::vector<X> v1{x, x+1};    // { dg-error "here" "" { target c++17_down } }
  35   // { dg-error "deleted function 'X::X" "" { target *-*-* } 0 }
  36 }
  37
  38 void test02()
  39 {
  40   struct Y : X { };
  41
  42   // Should not be able to create vector using uninitialized_fill_n:
  43   std::vector<Y> v2{2u, Y{}};   // { dg-error "here" "" { target c++17_down } }
  44   // { dg-error "deleted function .*Y::Y" "" { target *-*-* } 0 }
  45 }
  46
  47 // { dg-prune-output "construct_at" }