libcxx/test/std/containers/associative/multimap/multimap.cons/initializer_list.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++03
  10
  11 // <map>
  12
  13 // class multimap
  14
  15 // multimap(initializer_list<value_type> il, const key_compare& comp = key_compare());
  16
  17 #include <map>
  18 #include <cassert>
  19
  20 #include "test_macros.h"
  21 #include "min_allocator.h"
  22
  23 int main(int, char**)
  24 {
  25     {
  26     typedef std::multimap<int, double> C;
  27     typedef C::value_type V;
  28     C m =
  29            {
  30                {1, 1},
  31                {1, 1.5},
  32                {1, 2},
  33                {2, 1},
  34                {2, 1.5},
  35                {2, 2},
  36                {3, 1},
  37                {3, 1.5},
  38                {3, 2}
  39            };
  40     assert(m.size() == 9);
  41     assert(std::distance(m.begin(), m.end()) == 9);
  42     C::const_iterator i = m.cbegin();
  43     assert(*i == V(1, 1));
  44     assert(*++i == V(1, 1.5));
  45     assert(*++i == V(1, 2));
  46     assert(*++i == V(2, 1));
  47     assert(*++i == V(2, 1.5));
  48     assert(*++i == V(2, 2));
  49     assert(*++i == V(3, 1));
  50     assert(*++i == V(3, 1.5));
  51     assert(*++i == V(3, 2));
  52     }
  53     {
  54     typedef std::multimap<int, double, std::less<int>, min_allocator<std::pair<const int, double>>> C;
  55     typedef C::value_type V;
  56     C m =
  57            {
  58                {1, 1},
  59                {1, 1.5},
  60                {1, 2},
  61                {2, 1},
  62                {2, 1.5},
  63                {2, 2},
  64                {3, 1},
  65                {3, 1.5},
  66                {3, 2}
  67            };
  68     assert(m.size() == 9);
  69     assert(std::distance(m.begin(), m.end()) == 9);
  70     C::const_iterator i = m.cbegin();
  71     assert(*i == V(1, 1));
  72     assert(*++i == V(1, 1.5));
  73     assert(*++i == V(1, 2));
  74     assert(*++i == V(2, 1));
  75     assert(*++i == V(2, 1.5));
  76     assert(*++i == V(2, 2));
  77     assert(*++i == V(3, 1));
  78     assert(*++i == V(3, 1.5));
  79     assert(*++i == V(3, 2));
  80     }
  81
  82   return 0;
  83 }