libcxx/test/std/containers/associative/set/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 set
  12
  13 // pair<iterator, bool> 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 std::pair<typename M::iterator, bool> R;
  26     typedef typename M::value_type VT;
  27     M m;
  28
  29     const VT v1(2);
  30     R r = m.insert(v1);
  31     assert(r.second);
  32     assert(r.first == m.begin());
  33     assert(m.size() == 1);
  34     assert(*r.first == 2);
  35
  36     const VT v2(1);
  37     r = m.insert(v2);
  38     assert(r.second);
  39     assert(r.first == m.begin());
  40     assert(m.size() == 2);
  41     assert(*r.first == 1);
  42
  43     const VT v3(3);
  44     r = m.insert(v3);
  45     assert(r.second);
  46     assert(r.first == std::prev(m.end()));
  47     assert(m.size() == 3);
  48     assert(*r.first == 3);
  49
  50     r = m.insert(v3);
  51     assert(!r.second);
  52     assert(r.first == std::prev(m.end()));
  53     assert(m.size() == 3);
  54     assert(*r.first == 3);
  55 }
  56
  57 int main(int, char**)
  58 {
  59     do_insert_cv_test<std::set<int> >();
  60 #if TEST_STD_VER >= 11
  61     {
  62         typedef std::set<int, std::less<int>, min_allocator<int>> M;
  63         do_insert_cv_test<M>();
  64     }
  65 #endif
  66
  67   return 0;
  68 }