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

   1 // Bob Walters 10-2008
   2
   3 // Test for Container using non-standard pointer types.
   4
   5 // Copyright (C) 2008-2014 Free Software Foundation, Inc.
   6 //
   7 // This file is part of the GNU ISO C++ Library.  This library is free
   8 // software; you can redistribute it and/or modify it under the
   9 // terms of the GNU General Public License as published by the
  10 // Free Software Foundation; either version 3, or (at your option)
  11 // any later version.
  12
  13 // This library is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17
  18 // You should have received a copy of the GNU General Public License along
  19 // with this library; see the file COPYING3.  If not see
  20 // <http://www.gnu.org/licenses/>.
  21
  22
  23 #include <vector>
  24 #include <testsuite_hooks.h>
  25 #include <ext/extptr_allocator.h>
  26
  27 const int  A[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15};
  28 const int A1[] = {0, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15};
  29 const int A2[] = {0, 2, 3, 4, 10, 11, 12, 13, 14, 15};
  30 const int A3[] = {0, 2, 3, 4, 10, 11};
  31 const int A4[] = {4, 10, 11};
  32 const int A5[] = {4, 10};
  33 const unsigned int  N = sizeof(A)  / sizeof(int);
  34 const unsigned int N1 = sizeof(A1) / sizeof(int);
  35 const unsigned int N2 = sizeof(A2) / sizeof(int);
  36 const unsigned int N3 = sizeof(A3) / sizeof(int);
  37 const unsigned int N4 = sizeof(A4) / sizeof(int);
  38 const unsigned int N5 = sizeof(A5) / sizeof(int);
  39
  40 void
  41 test01()
  42 {
  43   bool test __attribute__((unused)) = true;
  44
  45   typedef std::vector<int,__gnu_cxx::_ExtPtr_allocator<int> >  vec_type;
  46   typedef vec_type::iterator iterator_type;
  47
  48   vec_type v(A, A + N);
  49
  50   iterator_type it1 = v.erase(v.begin() + 1);
  51   VERIFY( it1 == v.begin() + 1 );
  52   VERIFY( v.size() == N1 );
  53   VERIFY( std::equal(v.begin(), v.end(), A1) );
  54
  55   iterator_type it2 = v.erase(v.begin() + 4, v.begin() + 9);
  56   VERIFY( it2 == v.begin() + 4 );
  57   VERIFY( v.size() == N2 );
  58   VERIFY( std::equal(v.begin(), v.end(), A2) );
  59
  60   iterator_type it3 = v.erase(v.begin() + 6, v.end());
  61   VERIFY( it3 == v.begin() + 6 );
  62   VERIFY( v.size() == N3 );
  63   VERIFY( std::equal(v.begin(), v.end(), A3) );
  64
  65   iterator_type it4 = v.erase(v.begin(), v.begin() + 3);
  66   VERIFY( it4 == v.begin() );
  67   VERIFY( v.size() == N4 );
  68   VERIFY( std::equal(v.begin(), v.end(), A4) );
  69
  70   iterator_type it5 = v.erase(v.begin() + 2);
  71   VERIFY( it5 == v.begin() + 2 );
  72   VERIFY( v.size() == N5 );
  73   VERIFY( std::equal(v.begin(), v.end(), A5) );
  74
  75   iterator_type it6 = v.erase(v.begin(), v.end());
  76   VERIFY( it6 == v.begin() );
  77   VERIFY( v.empty() );
  78 }
  79
  80 void
  81 test02()
  82 {
  83   bool test __attribute__((unused)) = true;
  84
  85   typedef __gnu_cxx::_ExtPtr_allocator<int> int_alloc_type;
  86   typedef __gnu_cxx::_ExtPtr_allocator< std::vector<int, int_alloc_type> > vec_alloc_type;
  87   typedef std::vector<std::vector<int, int_alloc_type >,vec_alloc_type>  vec_type;
  88   typedef vec_type::iterator          iterator_type;
  89
  90   vec_type v, v1, v2, v3, v4, v5;
  91   for (unsigned int i = 0; i < N; ++i)
  92     v.push_back(std::vector<int,int_alloc_type>(1, A[i]));
  93   for (unsigned int i = 0; i < N1; ++i)
  94     v1.push_back(std::vector<int,int_alloc_type>(1, A1[i]));
  95   for (unsigned int i = 0; i < N2; ++i)
  96     v2.push_back(std::vector<int,int_alloc_type>(1, A2[i]));
  97   for (unsigned int i = 0; i < N3; ++i)
  98     v3.push_back(std::vector<int,int_alloc_type>(1, A3[i]));
  99   for (unsigned int i = 0; i < N4; ++i)
 100     v4.push_back(std::vector<int,int_alloc_type>(1, A4[i]));
 101   for (unsigned int i = 0; i < N5; ++i)
 102     v5.push_back(std::vector<int,int_alloc_type>(1, A5[i]));
 103
 104   iterator_type it1 = v.erase(v.begin() + 1);
 105   VERIFY( it1 == v.begin() + 1 );
 106   VERIFY( v.size() == N1 );
 107   VERIFY( std::equal(v.begin(), v.end(), v1.begin()) );
 108
 109   iterator_type it2 = v.erase(v.begin() + 4, v.begin() + 9);
 110   VERIFY( it2 == v.begin() + 4 );
 111   VERIFY( v.size() == N2 );
 112   VERIFY( std::equal(v.begin(), v.end(), v2.begin()) );
 113
 114   iterator_type it3 = v.erase(v.begin() + 6, v.end());
 115   VERIFY( it3 == v.begin() + 6 );
 116   VERIFY( v.size() == N3 );
 117   VERIFY( std::equal(v.begin(), v.end(), v3.begin()) );
 118
 119   iterator_type it4 = v.erase(v.begin(), v.begin() + 3);
 120   VERIFY( it4 == v.begin() );
 121   VERIFY( v.size() == N4 );
 122   VERIFY( std::equal(v.begin(), v.end(), v4.begin()) );
 123
 124   iterator_type it5 = v.erase(v.begin() + 2);
 125   VERIFY( it5 == v.begin() + 2 );
 126   VERIFY( v.size() == N5 );
 127   VERIFY( std::equal(v.begin(), v.end(), v5.begin()) );
 128
 129   iterator_type it6 = v.erase(v.begin(), v.end());
 130   VERIFY( it6 == v.begin() );
 131   VERIFY( v.empty() );
 132 }
 133
 134 int main()
 135 {
 136   test01();
 137   test02();
 138   return 0;
 139 }