libstdc++-v3/testsuite/23_containers/list/init-list.h

   1 // Copyright (C) 2008-2020 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
  19 #include <testsuite_allocator.h>
  20
  21 template<typename _Tp>
  22 bool
  23 init_list()
  24 {
  25   using namespace __gnu_test;
  26   typedef _Tp list_type;
  27   typedef typename list_type::iterator iterator;
  28
  29   const int arr10[10] = { 2, 4, 1, 7, 3, 8, 10, 5, 9, 6 };
  30   bool ok = true;
  31
  32   tracker_allocator_counter::reset();
  33   {
  34     list_type c({ 2, 4, 1 });
  35     ok = check_construct_destroy("Construct from init-list", 3, 0) && ok;
  36     iterator i = c.begin();
  37     ok &= (*i++ == 2);
  38     ok &= (*i++ == 4);
  39   }
  40   ok = check_construct_destroy("Construct from init-list", 3, 3) && ok;
  41
  42   {
  43     list_type c(arr10, arr10 + 10);
  44     tracker_allocator_counter::reset();
  45     iterator i = c.begin();
  46     ++i; ++i; ++i; ++i; ++i; ++i; ++i;
  47     c.insert(i, { 234, 42, 1 });
  48     ok = check_construct_destroy("Insert init-list", 3, 0) && ok;
  49     ok &= (*--i == 1);
  50     ok &= (*--i == 42);
  51   }
  52   ok = check_construct_destroy("Insert init-list", 3, 13) && ok;
  53
  54   {
  55     list_type c;
  56     tracker_allocator_counter::reset();
  57     c = { 13, 0, 42 };
  58     ok = check_construct_destroy("Assign init-list", 3, 0) && ok;
  59     iterator i = c.begin();
  60     ok &= (*i++ == 13);
  61   }
  62   ok = check_construct_destroy("Assign init-list", 3, 3) && ok;
  63
  64   return ok ? 0 : 1;
  65 }