libstdc++-v3/testsuite/23_containers/forward_list/modifiers/1.cc

   1 // { dg-options "-std=gnu++0x" }
   2
   3 // Copyright (C) 2008 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 2, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without Pred the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING.  If not, write to the Free
  18 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  19 // USA.
  20
  21 // 23.2.3.n forward_list xxx [lib.forward_list.xxx]
  22
  23 #include <forward_list>
  24 #include <testsuite_hooks.h>
  25
  26 #include <array>
  27
  28 bool test __attribute__((unused)) = true;
  29
  30 class PathPoint
  31 {
  32 public:
  33   PathPoint(char t, std::array<double, 3> & c)
  34   : type(t), coord(c) { }
  35   char getType() const { return type; }
  36 private:
  37   char type;
  38   std::array<double, 3> coord;
  39 };
  40
  41 // This test verifies the following.
  42 //   emplace_front
  43 //   pop_front
  44 //   emplace_after
  45 void
  46 test01()
  47 {
  48   std::forward_list<PathPoint> path;
  49   std::array<double, 3> coord1 = { { 0.0, 1.0, 2.0 } };
  50   path.emplace_front('a', coord1);
  51
  52   std::forward_list<PathPoint>::const_iterator pos = path.cbegin();
  53
  54   std::array<double, 3> coord2 = { { 3.0, 4.0, 5.0 } };
  55   path.emplace_after(pos, 'b', coord2);
  56
  57   VERIFY(path.front().getType() == 'a');
  58
  59   path.pop_front();
  60
  61   VERIFY(path.front().getType() == 'b');
  62
  63   path.pop_front();
  64
  65   VERIFY(path.empty() == true);
  66 }
  67
  68 int
  69 main()
  70 {
  71   test01();
  72   return 0;
  73 }