libcxx/test/std/containers/associative/multiset/multiset.observers/comp.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 // <set>
  10
  11 // key_compare key_comp() const;
  12 // value_compare value_comp() const;
  13
  14 #include <set>
  15 #include <cassert>
  16
  17 int main(int, char**) {
  18     typedef std::multiset<int> set_type;
  19
  20     set_type s;
  21     set_type::iterator i1 = s.insert(1);
  22     set_type::iterator i2 = s.insert(2);
  23
  24     const set_type& cs = s;
  25
  26     assert(cs.key_comp()(*i1, *i2));
  27     assert(!cs.key_comp()(*i2, *i1));
  28
  29     assert(cs.value_comp()(*i1, *i2));
  30     assert(!cs.value_comp()(*i2, *i1));
  31
  32     return 0;
  33 }