libstdc++-v3/testsuite/23_containers/vector/bool/modifiers/erase/1.cc

   1 // 2005-12-23  Paolo Carlini  <pcarlini@suse.de>
   2
   3 // Copyright (C) 2005-2024 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 // 23.2.5 vector<bool> modifiers
  21
  22 #include <vector>
  23 #include <testsuite_hooks.h>
  24
  25 const bool  A[] = {0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1};
  26 const bool A1[] = {0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1};
  27 const bool A2[] = {0, 0, 1, 0, 0, 1, 0, 1, 0, 1};
  28 const bool A3[] = {0, 0, 1, 0, 0, 1};
  29 const bool A4[] = {0, 0, 1};
  30 const bool A5[] = {0, 0};
  31
  32 const unsigned  N = sizeof(A)  / sizeof(bool);
  33 const unsigned N1 = sizeof(A1) / sizeof(bool);
  34 const unsigned N2 = sizeof(A2) / sizeof(bool);
  35 const unsigned N3 = sizeof(A3) / sizeof(bool);
  36 const unsigned N4 = sizeof(A4) / sizeof(bool);
  37 const unsigned N5 = sizeof(A5) / sizeof(bool);
  38
  39 void
  40 test01()
  41 {
  42   typedef std::vector<bool>  vec_type;
  43   typedef vec_type::iterator iterator_type;
  44
  45   vec_type v(A, A + N);
  46
  47   iterator_type it1 = v.erase(v.begin() + 1);
  48   VERIFY( it1 == v.begin() + 1 );
  49   VERIFY( v.size() == N1 );
  50   VERIFY( std::equal(v.begin(), v.end(), A1) );
  51
  52   iterator_type it2 = v.erase(v.begin() + 4, v.begin() + 9);
  53   VERIFY( it2 == v.begin() + 4 );
  54   VERIFY( v.size() == N2 );
  55   VERIFY( std::equal(v.begin(), v.end(), A2) );
  56
  57   iterator_type it3 = v.erase(v.begin() + 6, v.end());
  58   VERIFY( it3 == v.begin() + 6 );
  59   VERIFY( v.size() == N3 );
  60   VERIFY( std::equal(v.begin(), v.end(), A3) );
  61
  62   iterator_type it4 = v.erase(v.begin(), v.begin() + 3);
  63   VERIFY( it4 == v.begin() );
  64   VERIFY( v.size() == N4 );
  65   VERIFY( std::equal(v.begin(), v.end(), A4) );
  66
  67   iterator_type it5 = v.erase(v.begin() + 2);
  68   VERIFY( it5 == v.begin() + 2 );
  69   VERIFY( v.size() == N5 );
  70   VERIFY( std::equal(v.begin(), v.end(), A5) );
  71
  72   iterator_type it6 = v.erase(v.begin(), v.end());
  73   VERIFY( it6 == v.begin() );
  74   VERIFY( v.empty() );
  75 }
  76
  77 void
  78 test02()
  79 {
  80   typedef std::vector<std::vector<bool> >  vec_type;
  81   typedef vec_type::iterator          iterator_type;
  82
  83   vec_type v, v1, v2, v3, v4, v5;
  84   for (unsigned i = 0; i < N; ++i)
  85     v.push_back(std::vector<bool>(1, A[i]));
  86   for (unsigned i = 0; i < N1; ++i)
  87     v1.push_back(std::vector<bool>(1, A1[i]));
  88   for (unsigned i = 0; i < N2; ++i)
  89     v2.push_back(std::vector<bool>(1, A2[i]));
  90   for (unsigned i = 0; i < N3; ++i)
  91     v3.push_back(std::vector<bool>(1, A3[i]));
  92   for (unsigned i = 0; i < N4; ++i)
  93     v4.push_back(std::vector<bool>(1, A4[i]));
  94   for (unsigned i = 0; i < N5; ++i)
  95     v5.push_back(std::vector<bool>(1, A5[i]));
  96
  97   iterator_type it1 = v.erase(v.begin() + 1);
  98   VERIFY( it1 == v.begin() + 1 );
  99   VERIFY( v.size() == N1 );
 100   VERIFY( std::equal(v.begin(), v.end(), v1.begin()) );
 101
 102   iterator_type it2 = v.erase(v.begin() + 4, v.begin() + 9);
 103   VERIFY( it2 == v.begin() + 4 );
 104   VERIFY( v.size() == N2 );
 105   VERIFY( std::equal(v.begin(), v.end(), v2.begin()) );
 106
 107   iterator_type it3 = v.erase(v.begin() + 6, v.end());
 108   VERIFY( it3 == v.begin() + 6 );
 109   VERIFY( v.size() == N3 );
 110   VERIFY( std::equal(v.begin(), v.end(), v3.begin()) );
 111
 112   iterator_type it4 = v.erase(v.begin(), v.begin() + 3);
 113   VERIFY( it4 == v.begin() );
 114   VERIFY( v.size() == N4 );
 115   VERIFY( std::equal(v.begin(), v.end(), v4.begin()) );
 116
 117   iterator_type it5 = v.erase(v.begin() + 2);
 118   VERIFY( it5 == v.begin() + 2 );
 119   VERIFY( v.size() == N5 );
 120   VERIFY( std::equal(v.begin(), v.end(), v5.begin()) );
 121
 122   iterator_type it6 = v.erase(v.begin(), v.end());
 123   VERIFY( it6 == v.begin() );
 124   VERIFY( v.empty() );
 125 }
 126
 127 int main()
 128 {
 129   test01();
 130   test02();
 131   return 0;
 132 }