libstdc++-v3/testsuite/20_util/specialized_algorithms/uninitialized_copy/808590.cc

   1 // Copyright (C) 2012-2022 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-options "-std=gnu++98" }
  19
  20 #include <vector>
  21 #include <stdexcept>
  22
  23 // 4.4.x only
  24 struct c
  25 {
  26   void *m;
  27
  28   c(void* o = 0) : m(o) {}
  29   c(const c &r) : m(r.m) {}
  30
  31   template<class T>
  32     explicit c(T &o) : m((void*)0xdeadbeef) { }
  33 };
  34
  35 int main()
  36 {
  37   std::vector<c> cbs;
  38   const c cb((void*)0xcafebabe);
  39
  40   for (int fd = 62; fd < 67; ++fd)
  41     {
  42       cbs.resize(fd + 1);
  43       cbs[fd] = cb;
  44     }
  45
  46   for (int fd = 62; fd< 67; ++fd)
  47     if (cb.m != cbs[fd].m)
  48       throw std::runtime_error("wrong");
  49   return 0;
  50 }