libstdc++-v3/testsuite/23_containers/deque/modifiers/erase/3.cc

   1 // Copyright (C) 2007-2025 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 // 23.2.1.3 deque modifiers
  19
  20 #include <deque>
  21 #include <testsuite_hooks.h>
  22
  23 void erase(size_t num_elm, size_t elm_strt, size_t elm_end)
  24 {
  25   using __gnu_test::copy_tracker;
  26   using __gnu_test::assignment_operator;
  27
  28   std::deque<copy_tracker> x(num_elm);
  29   copy_tracker::reset();
  30
  31   x.erase(x.begin() + elm_strt, x.begin() + elm_end);
  32
  33   const size_t min_num_cpy
  34     = elm_strt == elm_end ? 0 : std::min(elm_strt, num_elm - elm_end);
  35
  36   VERIFY( assignment_operator::count() == min_num_cpy );
  37 }
  38
  39 // http://gcc.gnu.org/ml/libstdc++/2007-01/msg00098.html
  40 void test01()
  41 {
  42   for (size_t num_elm = 0; num_elm <= 10; ++num_elm)
  43     for (size_t elm_strt = 0; elm_strt <= num_elm; ++elm_strt)
  44       for (size_t elm_end = elm_strt; elm_end <= num_elm; ++elm_end)
  45         erase(num_elm, elm_strt, elm_end);
  46 }
  47
  48 int main()
  49 {
  50   test01();
  51   return 0;
  52 }