libcxx/test/std/containers/sequences/vector.bool/erase_iter_iter.pass.cpp

   1 //===----------------------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 // <vector>
  10 // vector<bool>
  11
  12 // iterator erase(const_iterator first, const_iterator last);
  13
  14 #include <vector>
  15 #include <cassert>
  16
  17 #include "test_macros.h"
  18 #include "min_allocator.h"
  19
  20 int main(int, char**)
  21 {
  22     bool a1[] = {1, 0, 1};
  23     {
  24         std::vector<bool> l1(a1, a1+3);
  25         std::vector<bool>::iterator i = l1.erase(l1.cbegin(), l1.cbegin());
  26         assert(l1.size() == 3);
  27         assert(distance(l1.cbegin(), l1.cend()) == 3);
  28         assert(i == l1.begin());
  29     }
  30     {
  31         std::vector<bool> l1(a1, a1+3);
  32         std::vector<bool>::iterator i = l1.erase(l1.cbegin(), next(l1.cbegin()));
  33         assert(l1.size() == 2);
  34         assert(distance(l1.cbegin(), l1.cend()) == 2);
  35         assert(i == l1.begin());
  36         assert(l1 == std::vector<bool>(a1+1, a1+3));
  37     }
  38     {
  39         std::vector<bool> l1(a1, a1+3);
  40         std::vector<bool>::iterator i = l1.erase(l1.cbegin(), next(l1.cbegin(), 2));
  41         assert(l1.size() == 1);
  42         assert(distance(l1.cbegin(), l1.cend()) == 1);
  43         assert(i == l1.begin());
  44         assert(l1 == std::vector<bool>(a1+2, a1+3));
  45     }
  46     {
  47         std::vector<bool> l1(a1, a1+3);
  48         std::vector<bool>::iterator i = l1.erase(l1.cbegin(), next(l1.cbegin(), 3));
  49         assert(l1.size() == 0);
  50         assert(distance(l1.cbegin(), l1.cend()) == 0);
  51         assert(i == l1.begin());
  52     }
  53 #if TEST_STD_VER >= 11
  54     {
  55         std::vector<bool, min_allocator<bool>> l1(a1, a1+3);
  56         std::vector<bool, min_allocator<bool>>::iterator i = l1.erase(l1.cbegin(), l1.cbegin());
  57         assert(l1.size() == 3);
  58         assert(distance(l1.cbegin(), l1.cend()) == 3);
  59         assert(i == l1.begin());
  60     }
  61     {
  62         std::vector<bool, min_allocator<bool>> l1(a1, a1+3);
  63         std::vector<bool, min_allocator<bool>>::iterator i = l1.erase(l1.cbegin(), next(l1.cbegin()));
  64         assert(l1.size() == 2);
  65         assert(distance(l1.cbegin(), l1.cend()) == 2);
  66         assert(i == l1.begin());
  67         assert((l1 == std::vector<bool, min_allocator<bool>>(a1+1, a1+3)));
  68     }
  69     {
  70         std::vector<bool, min_allocator<bool>> l1(a1, a1+3);
  71         std::vector<bool, min_allocator<bool>>::iterator i = l1.erase(l1.cbegin(), next(l1.cbegin(), 2));
  72         assert(l1.size() == 1);
  73         assert(distance(l1.cbegin(), l1.cend()) == 1);
  74         assert(i == l1.begin());
  75         assert((l1 == std::vector<bool, min_allocator<bool>>(a1+2, a1+3)));
  76     }
  77     {
  78         std::vector<bool, min_allocator<bool>> l1(a1, a1+3);
  79         std::vector<bool, min_allocator<bool>>::iterator i = l1.erase(l1.cbegin(), next(l1.cbegin(), 3));
  80         assert(l1.size() == 0);
  81         assert(distance(l1.cbegin(), l1.cend()) == 0);
  82         assert(i == l1.begin());
  83     }
  84 #endif
  85
  86   return 0;
  87 }