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

   1 // { dg-options "-std=gnu++0x" }
   2
   3 // Copyright (C) 2008, 2009, 2012 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 3, 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 COPYING3.  If not see
  18 // <http://www.gnu.org/licenses/>.
  19
  20 // 23.2.3.n forward_list xxx [lib.forward_list.xxx]
  21
  22 #include <forward_list>
  23 #include <testsuite_hooks.h>
  24
  25 bool test __attribute__((unused)) = true;
  26
  27 // This test verifies the following:
  28 //
  29 void
  30 test01()
  31 {
  32   std::forward_list<double> a = {0.0, 1.0, 2.0, 3.0, 4.0};
  33   std::forward_list<double>::const_iterator posa = a.cbefore_begin();
  34
  35   std::forward_list<double> x = {666.0, 777.0, 888.0};
  36
  37   a.splice_after(posa, std::move(x));
  38
  39   ++posa;
  40   VERIFY(*posa == 666.0);
  41
  42   VERIFY(x.empty() == true);
  43 }
  44
  45 // This test verifies the following:
  46 //
  47 void
  48 test02()
  49 {
  50   std::forward_list<double> a = {0.0, 1.0, 2.0, 3.0, 4.0};
  51   std::forward_list<double>::const_iterator posa = a.cbefore_begin();
  52   ++posa;
  53   VERIFY(*posa == 0.0);
  54
  55   std::forward_list<double> y = {10.0, 11.0, 12.0, 13.0, 14.0, 15.0};
  56   std::forward_list<double>::const_iterator befy = y.cbefore_begin();
  57   ++befy;
  58   VERIFY(*befy == 10.0);
  59   std::forward_list<double>::const_iterator endy = befy;
  60   ++endy;
  61   ++endy;
  62   ++endy;
  63   ++endy;
  64   VERIFY(*endy == 14.0);
  65
  66   a.splice_after(posa, std::move(y), befy, endy);
  67   VERIFY(*posa == 0.0);
  68
  69   VERIFY(*befy == 10.0);
  70   ++befy;
  71   VERIFY(*befy == 14.0);
  72 }
  73
  74 // This test verifies the following:
  75 //
  76 void
  77 test03()
  78 {
  79   std::forward_list<double> a = {0.0, 1.0, 2.0, 3.0, 4.0};
  80   std::forward_list<double>::const_iterator posa = a.cbefore_begin();
  81   ++posa;
  82   ++posa;
  83   VERIFY(*posa == 1.0);
  84
  85   std::forward_list<double> z = {42.0, 43.0, 44.0};
  86   std::forward_list<double>::const_iterator posz = z.begin();
  87   VERIFY(*posz == 42.0);
  88
  89   a.splice_after(posa, std::move(z), posz);
  90   VERIFY(*posa == 1.0);
  91   ++posa;
  92   VERIFY(*posa == 43.0);
  93
  94   VERIFY(*posz == 42.0);
  95   ++posz;
  96   VERIFY(*posz == 44.0);
  97 }
  98
  99 int
 100 main()
 101 {
 102   test01();
 103   test02();
 104   test03();
 105   return 0;
 106 }