libcxx/test/std/containers/unord/unord.set/insert_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 // <unordered_set>
  10
  11 // template <class Value, class Hash = hash<Value>, class Pred = equal_to<Value>,
  12 //           class Alloc = allocator<Value>>
  13 // class unordered_set
  14
  15 // template <class InputIterator>
  16 //     void insert(InputIterator first, InputIterator last);
  17
  18 #include <unordered_set>
  19 #include <cassert>
  20
  21 #include "test_macros.h"
  22 #include "test_iterators.h"
  23 #include "min_allocator.h"
  24
  25 int main(int, char**)
  26 {
  27     {
  28         typedef std::unordered_set<int> C;
  29         typedef int P;
  30         P a[] =
  31         {
  32             P(1),
  33             P(2),
  34             P(3),
  35             P(4),
  36             P(1),
  37             P(2)
  38         };
  39         C c;
  40         c.insert(cpp17_input_iterator<P*>(a), cpp17_input_iterator<P*>(a + sizeof(a)/sizeof(a[0])));
  41         assert(c.size() == 4);
  42         assert(c.count(1) == 1);
  43         assert(c.count(2) == 1);
  44         assert(c.count(3) == 1);
  45         assert(c.count(4) == 1);
  46     }
  47 #if TEST_STD_VER >= 11
  48     {
  49         typedef std::unordered_set<int, std::hash<int>,
  50                                       std::equal_to<int>, min_allocator<int>> C;
  51         typedef int P;
  52         P a[] =
  53         {
  54             P(1),
  55             P(2),
  56             P(3),
  57             P(4),
  58             P(1),
  59             P(2)
  60         };
  61         C c;
  62         c.insert(cpp17_input_iterator<P*>(a), cpp17_input_iterator<P*>(a + sizeof(a)/sizeof(a[0])));
  63         assert(c.size() == 4);
  64         assert(c.count(1) == 1);
  65         assert(c.count(2) == 1);
  66         assert(c.count(3) == 1);
  67         assert(c.count(4) == 1);
  68     }
  69 #endif
  70
  71   return 0;
  72 }