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

   1 // 2003-10-14  Paolo Carlini  <pcarlini@unitus.it>
   2
   3 // Copyright (C) 2003 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 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 COPYING.  If not, write to the Free
  18 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19 // USA.
  20
  21 // 25.2.8 [lib.alg.unique] Unique
  22
  23 #include <list>
  24 #include <algorithm>
  25 #include <functional>
  26 #include <testsuite_hooks.h>
  27
  28 const int T1[] = {1, 4, 4, 6, 1, 2, 2, 3, 1, 6, 6, 6, 5, 7, 5, 4, 4};
  29 const int T2[] = {1, 1, 1, 2, 2, 1, 1, 7, 6, 6, 7, 8, 8, 8, 8, 9, 9};
  30 const int N = sizeof(T1) / sizeof(int);
  31
  32 const int A1[] = {1, 4, 6, 1, 2, 3, 1, 6, 5, 7, 5, 4};
  33 const int A2[] = {1, 4, 4, 6, 6, 6, 6, 7};
  34 const int A3[] = {1, 1, 1};
  35
  36 const int B1[] = {1, 2, 1, 7, 6, 7, 8, 9};
  37 const int B2[] = {1, 1, 1, 2, 2, 7, 7, 8, 8, 8, 8, 9, 9};
  38 const int B3[] = {9, 9, 8, 8, 8, 8, 7, 6, 6, 1, 1, 1, 1, 1};
  39
  40 void test01()
  41 {
  42   bool test __attribute__((unused)) = true;
  43   using namespace std;
  44
  45   list<int>::iterator pos;
  46
  47   list<int> coll(T1, T1 + N);
  48   pos = unique(coll.begin(), coll.end());
  49   VERIFY( equal(coll.begin(), pos, A1) );
  50
  51   list<int> coll2(T2, T2 + N);
  52   pos = unique(coll2.begin(), coll2.end());
  53   VERIFY( equal(coll2.begin(), pos, B1) );
  54 }
  55
  56 void test02()
  57 {
  58   bool test __attribute__((unused)) = true;
  59   using namespace std;
  60
  61   list<int>::iterator pos;
  62
  63   list<int> coll(T1, T1 + N);
  64   pos = unique(coll.begin(), coll.end(), greater<int>());
  65   VERIFY( equal(coll.begin(), pos, A2) );
  66
  67   list<int> coll2(T2, T2 + N);
  68   pos = unique(coll2.begin(), coll2.end(), greater<int>());
  69   VERIFY( equal(coll2.begin(), pos, B2) );
  70 }
  71
  72 void test03()
  73 {
  74   bool test __attribute__((unused)) = true;
  75   using namespace std;
  76
  77   list<int>::iterator pos;
  78
  79   list<int> coll(T1, T1 + N);
  80   pos = unique(coll.begin(), coll.end(), less<int>());
  81   VERIFY( equal(coll.begin(), pos, A3) );
  82
  83   list<int> coll2(T2, T2 + N);
  84   reverse(coll2.begin(), coll2.end());
  85   pos = unique(coll2.begin(), coll2.end(), less<int>());
  86   VERIFY( equal(coll2.begin(), pos, B3) );
  87 }
  88
  89 int main()
  90 {
  91   test01();
  92   test02();
  93   test03();
  94   return 0;
  95 }