libcxx/test/std/containers/unord/unord.set/insert_init.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 // UNSUPPORTED: c++98, c++03
  10
  11 // <unordered_set>
  12
  13 // template <class Value, class Hash = hash<Value>, class Pred = equal_to<Value>,
  14 //           class Alloc = allocator<Value>>
  15 // class unordered_set
  16
  17 // void insert(initializer_list<value_type> il);
  18
  19 #include <unordered_set>
  20 #include <cassert>
  21
  22 #include "test_macros.h"
  23 #include "test_iterators.h"
  24 #include "min_allocator.h"
  25
  26 int main(int, char**)
  27 {
  28     {
  29         typedef std::unordered_set<int> C;
  30         typedef int P;
  31         C c;
  32         c.insert(
  33                     {
  34                         P(1),
  35                         P(2),
  36                         P(3),
  37                         P(4),
  38                         P(1),
  39                         P(2)
  40                     }
  41                 );
  42         assert(c.size() == 4);
  43         assert(c.count(1) == 1);
  44         assert(c.count(2) == 1);
  45         assert(c.count(3) == 1);
  46         assert(c.count(4) == 1);
  47     }
  48     {
  49         typedef std::unordered_set<int, std::hash<int>,
  50                                       std::equal_to<int>, min_allocator<int>> C;
  51         typedef int P;
  52         C c;
  53         c.insert(
  54                     {
  55                         P(1),
  56                         P(2),
  57                         P(3),
  58                         P(4),
  59                         P(1),
  60                         P(2)
  61                     }
  62                 );
  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
  70   return 0;
  71 }