libstdc++-v3/testsuite/25_algorithms/unique/2.cc

   1 // 2003-10-14  Paolo Carlini  <pcarlini@unitus.it>
   2
   3 // Copyright (C) 2003-2013 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 even 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 // 25.2.8 [lib.alg.unique] Unique
  21
  22 #include <list>
  23 #include <algorithm>
  24 #include <functional>
  25 #include <testsuite_hooks.h>
  26
  27 const int T1[] = {1, 4, 4, 6, 1, 2, 2, 3, 1, 6, 6, 6, 5, 7, 5, 4, 4};
  28 const int T2[] = {1, 1, 1, 2, 2, 1, 1, 7, 6, 6, 7, 8, 8, 8, 8, 9, 9};
  29 const int N = sizeof(T1) / sizeof(int);
  30
  31 const int A1[] = {1, 4, 6, 1, 2, 3, 1, 6, 5, 7, 5, 4};
  32 const int A2[] = {1, 4, 4, 6, 6, 6, 6, 7};
  33 const int A3[] = {1, 1, 1};
  34
  35 const int B1[] = {1, 2, 1, 7, 6, 7, 8, 9};
  36 const int B2[] = {1, 1, 1, 2, 2, 7, 7, 8, 8, 8, 8, 9, 9};
  37 const int B3[] = {9, 9, 8, 8, 8, 8, 7, 6, 6, 1, 1, 1, 1, 1};
  38
  39 void test01()
  40 {
  41   bool test __attribute__((unused)) = true;
  42   using namespace std;
  43
  44   list<int>::iterator pos;
  45
  46   list<int> coll(T1, T1 + N);
  47   pos = unique(coll.begin(), coll.end());
  48   VERIFY( equal(coll.begin(), pos, A1) );
  49
  50   list<int> coll2(T2, T2 + N);
  51   pos = unique(coll2.begin(), coll2.end());
  52   VERIFY( equal(coll2.begin(), pos, B1) );
  53 }
  54
  55 void test02()
  56 {
  57   bool test __attribute__((unused)) = true;
  58   using namespace std;
  59
  60   list<int>::iterator pos;
  61
  62   list<int> coll(T1, T1 + N);
  63   pos = unique(coll.begin(), coll.end(), greater<int>());
  64   VERIFY( equal(coll.begin(), pos, A2) );
  65
  66   list<int> coll2(T2, T2 + N);
  67   pos = unique(coll2.begin(), coll2.end(), greater<int>());
  68   VERIFY( equal(coll2.begin(), pos, B2) );
  69 }
  70
  71 void test03()
  72 {
  73   bool test __attribute__((unused)) = true;
  74   using namespace std;
  75
  76   list<int>::iterator pos;
  77
  78   list<int> coll(T1, T1 + N);
  79   pos = unique(coll.begin(), coll.end(), less<int>());
  80   VERIFY( equal(coll.begin(), pos, A3) );
  81
  82   list<int> coll2(T2, T2 + N);
  83   reverse(coll2.begin(), coll2.end());
  84   pos = unique(coll2.begin(), coll2.end(), less<int>());
  85   VERIFY( equal(coll2.begin(), pos, B3) );
  86 }
  87
  88 int main()
  89 {
  90   test01();
  91   test02();
  92   test03();
  93   return 0;
  94 }