libcxx/test/std/containers/associative/multiset/insert_cv.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 // class multiset
  12
  13 // iterator insert(const value_type& v);
  14
  15 #include <set>
  16 #include <cassert>
  17
  18 #include "test_macros.h"
  19 #include "min_allocator.h"
  20
  21 template<class Container>
  22 void do_insert_cv_test()
  23 {
  24     typedef Container M;
  25     typedef typename M::iterator R;
  26     typedef typename M::value_type VT;
  27     M m;
  28     const VT v1(2);
  29     R r = m.insert(v1);
  30     assert(r == m.begin());
  31     assert(m.size() == 1);
  32     assert(*r == 2);
  33
  34     const VT v2(1);
  35     r = m.insert(v2);
  36     assert(r == m.begin());
  37     assert(m.size() == 2);
  38     assert(*r == 1);
  39
  40     const VT v3(3);
  41     r = m.insert(v3);
  42     assert(r == std::prev(m.end()));
  43     assert(m.size() == 3);
  44     assert(*r == 3);
  45
  46     r = m.insert(v3);
  47     assert(r == std::prev(m.end()));
  48     assert(m.size() == 4);
  49     assert(*r == 3);
  50 }
  51
  52 int main(int, char**)
  53 {
  54     do_insert_cv_test<std::multiset<int> >();
  55 #if TEST_STD_VER >= 11
  56     {
  57         typedef std::multiset<int, std::less<int>, min_allocator<int>> M;
  58         do_insert_cv_test<M>();
  59     }
  60 #endif
  61
  62   return 0;
  63 }