libstdc++-v3/testsuite/23_containers/vector/debug/bool/shrink_to_fit.cc

   1 // Copyright (C) 2011-2024 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 run { target c++11 xfail *-*-* } }
  19 // { dg-require-debug-mode "" }
  20
  21 #include <vector>
  22
  23 void test01()
  24 {
  25   using std::vector;
  26
  27   vector<bool> vb(__CHAR_BIT__ * sizeof(unsigned long) + 1);
  28   vb.pop_back();
  29
  30   vector<bool>::iterator it = vb.begin();
  31   vb.shrink_to_fit();
  32
  33   // Following line should assert
  34   *it = true;
  35 }
  36
  37 int main()
  38 {
  39   test01();
  40   return 0;
  41 }