libstdc++-v3/testsuite/20_util/specialized_algorithms/uninitialized_fill_n/89164.cc

   1 // Copyright (C) 2019-2024 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 struct X {
  23   X() = default;
  24   X(const X&) = delete;
  25 };
  26
  27 void test01()
  28 {
  29   X x;
  30   alignas(X) unsigned char buf[sizeof(X)];
  31   X* p = (X*)buf;
  32
  33   std::uninitialized_fill_n(p, 1, x); // { dg-error "here" }
  34 }
  35 // { dg-error "must be constructible" "" { target *-*-* } 0 }