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      1 //===----------------------------------------------------------------------===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is dual licensed under the MIT and the University of Illinois Open
      6 // Source Licenses. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 
     10 // <map>
     11 
     12 // class multimap
     13 
     14 // iterator insert(const_iterator position, const value_type& v);
     15 
     16 #include <map>
     17 #include <cassert>
     18 
     19 #include "test_macros.h"
     20 #include "min_allocator.h"
     21 
     22 template <class Container>
     23 void do_insert_hint_test()
     24 {
     25     typedef Container M;
     26     typedef typename M::iterator R;
     27     typedef typename M::value_type VT;
     28     M m;
     29     const VT v1(2, 2.5);
     30     R r = m.insert(m.end(), v1);
     31     assert(r == m.begin());
     32     assert(m.size() == 1);
     33     assert(r->first == 2);
     34     assert(r->second == 2.5);
     35 
     36     const VT v2(1, 1.5);
     37     r = m.insert(m.end(), v2);
     38     assert(r == m.begin());
     39     assert(m.size() == 2);
     40     assert(r->first == 1);
     41     assert(r->second == 1.5);
     42 
     43     const VT v3(3, 3.5);
     44     r = m.insert(m.end(), v3);
     45     assert(r == prev(m.end()));
     46     assert(m.size() == 3);
     47     assert(r->first == 3);
     48     assert(r->second == 3.5);
     49 
     50     const VT v4(3, 4.5);
     51     r = m.insert(prev(m.end()), v4);
     52     assert(r == prev(m.end(), 2));
     53     assert(m.size() == 4);
     54     assert(r->first == 3);
     55     assert(r->second == 4.5);
     56 }
     57 
     58 int main()
     59 {
     60     do_insert_hint_test<std::multimap<int, double> >();
     61 #if TEST_STD_VER >= 11
     62     {
     63         typedef std::multimap<int, double, std::less<int>, min_allocator<std::pair<const int, double>>> M;
     64         do_insert_hint_test<M>();
     65     }
     66 #endif
     67 }
     68