libstdc++-v3/testsuite/23_containers/vector/bool/capacity/29134.cc

   1 // Copyright (C) 2006, 2007 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 2, 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 Pred 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 COPYING.  If not, write to the Free
  16 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  17 // USA.
  18
  19 // 23.2.5 class vector<bool> [lib.vector.bool]
  20
  21 #include <vector>
  22 #include <limits>
  23 #include <testsuite_hooks.h>
  24
  25 // libstdc++/29134
  26 void test01()
  27 {
  28   bool test __attribute__((unused)) = true;
  29
  30   using std::vector;
  31   using std::numeric_limits;
  32
  33 #ifndef _GLIBCXX_DEBUG
  34   using std::_S_word_bit;
  35 #else
  36   using std::_GLIBCXX_STD_D::_S_word_bit;
  37 #endif
  38
  39   // Actually, vector<bool> is special, see libstdc++/31370.
  40   vector<bool> vb;
  41   typedef vector<bool>::difference_type difference_type;
  42   typedef vector<bool>::size_type size_type;
  43   VERIFY( vb.max_size()
  44           == size_type(numeric_limits<difference_type>::max()
  45                        - int(_S_word_bit) + 1) );
  46 }
  47
  48 int main()
  49 {
  50   test01();
  51   return 0;
  52 }