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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 // <unordered_set>
     11 
     12 // template <class Value, class Hash = hash<Value>, class Pred = equal_to<Value>,
     13 //           class Alloc = allocator<Value>>
     14 // class unordered_multiset
     15 
     16 // iterator insert(value_type&& x);
     17 
     18 #include <unordered_set>
     19 #include <cassert>
     20 
     21 #include "MoveOnly.h"
     22 #include "min_allocator.h"
     23 
     24 int main()
     25 {
     26     {
     27         typedef std::unordered_multiset<double> C;
     28         typedef C::iterator R;
     29         typedef double P;
     30         C c;
     31         R r = c.insert(P(3.5));
     32         assert(c.size() == 1);
     33         assert(*r == 3.5);
     34 
     35         r = c.insert(P(3.5));
     36         assert(c.size() == 2);
     37         assert(*r == 3.5);
     38 
     39         r = c.insert(P(4.5));
     40         assert(c.size() == 3);
     41         assert(*r == 4.5);
     42 
     43         r = c.insert(P(5.5));
     44         assert(c.size() == 4);
     45         assert(*r == 5.5);
     46     }
     47 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     48     {
     49         typedef std::unordered_multiset<MoveOnly> C;
     50         typedef C::iterator R;
     51         typedef MoveOnly P;
     52         C c;
     53         R r = c.insert(P(3));
     54         assert(c.size() == 1);
     55         assert(*r == 3);
     56 
     57         r = c.insert(P(3));
     58         assert(c.size() == 2);
     59         assert(*r == 3);
     60 
     61         r = c.insert(P(4));
     62         assert(c.size() == 3);
     63         assert(*r == 4);
     64 
     65         r = c.insert(P(5));
     66         assert(c.size() == 4);
     67         assert(*r == 5);
     68     }
     69 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
     70 #if TEST_STD_VER >= 11
     71     {
     72         typedef std::unordered_multiset<double, std::hash<double>,
     73                                 std::equal_to<double>, min_allocator<double>> C;
     74         typedef C::iterator R;
     75         typedef double P;
     76         C c;
     77         R r = c.insert(P(3.5));
     78         assert(c.size() == 1);
     79         assert(*r == 3.5);
     80 
     81         r = c.insert(P(3.5));
     82         assert(c.size() == 2);
     83         assert(*r == 3.5);
     84 
     85         r = c.insert(P(4.5));
     86         assert(c.size() == 3);
     87         assert(*r == 4.5);
     88 
     89         r = c.insert(P(5.5));
     90         assert(c.size() == 4);
     91         assert(*r == 5.5);
     92     }
     93 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     94     {
     95         typedef std::unordered_multiset<MoveOnly, std::hash<MoveOnly>,
     96                             std::equal_to<MoveOnly>, min_allocator<MoveOnly>> C;
     97         typedef C::iterator R;
     98         typedef MoveOnly P;
     99         C c;
    100         R r = c.insert(P(3));
    101         assert(c.size() == 1);
    102         assert(*r == 3);
    103 
    104         r = c.insert(P(3));
    105         assert(c.size() == 2);
    106         assert(*r == 3);
    107 
    108         r = c.insert(P(4));
    109         assert(c.size() == 3);
    110         assert(*r == 4);
    111 
    112         r = c.insert(P(5));
    113         assert(c.size() == 4);
    114         assert(*r == 5);
    115     }
    116 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
    117 #endif
    118 }
    119