Home | History | Annotate | Download | only in unord.set
      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_set
     15 
     16 // iterator insert(const_iterator p, value_type&& x);
     17 
     18 #if _LIBCPP_DEBUG >= 1
     19 #define _LIBCPP_ASSERT(x, m) ((x) ? (void)0 : std::exit(0))
     20 #endif
     21 
     22 #include <unordered_set>
     23 #include <cassert>
     24 
     25 #include "../../MoveOnly.h"
     26 #include "min_allocator.h"
     27 
     28 int main()
     29 {
     30     {
     31         typedef std::unordered_set<double> C;
     32         typedef C::iterator R;
     33         typedef double P;
     34         C c;
     35         C::const_iterator e = c.end();
     36         R r = c.insert(e, P(3.5));
     37         assert(c.size() == 1);
     38         assert(*r == 3.5);
     39 
     40         r = c.insert(r, P(3.5));
     41         assert(c.size() == 1);
     42         assert(*r == 3.5);
     43 
     44         r = c.insert(e, P(4.5));
     45         assert(c.size() == 2);
     46         assert(*r == 4.5);
     47 
     48         r = c.insert(e, P(5.5));
     49         assert(c.size() == 3);
     50         assert(*r == 5.5);
     51     }
     52 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     53     {
     54         typedef std::unordered_set<MoveOnly> C;
     55         typedef C::iterator R;
     56         typedef MoveOnly P;
     57         C c;
     58         C::const_iterator e = c.end();
     59         R r = c.insert(e, P(3));
     60         assert(c.size() == 1);
     61         assert(*r == 3);
     62 
     63         r = c.insert(r, P(3));
     64         assert(c.size() == 1);
     65         assert(*r == 3);
     66 
     67         r = c.insert(e, P(4));
     68         assert(c.size() == 2);
     69         assert(*r == 4);
     70 
     71         r = c.insert(e, P(5));
     72         assert(c.size() == 3);
     73         assert(*r == 5);
     74     }
     75 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
     76 #if __cplusplus >= 201103L
     77     {
     78         typedef std::unordered_set<double, std::hash<double>,
     79                                 std::equal_to<double>, min_allocator<double>> C;
     80         typedef C::iterator R;
     81         typedef double P;
     82         C c;
     83         C::const_iterator e = c.end();
     84         R r = c.insert(e, P(3.5));
     85         assert(c.size() == 1);
     86         assert(*r == 3.5);
     87 
     88         r = c.insert(r, P(3.5));
     89         assert(c.size() == 1);
     90         assert(*r == 3.5);
     91 
     92         r = c.insert(e, P(4.5));
     93         assert(c.size() == 2);
     94         assert(*r == 4.5);
     95 
     96         r = c.insert(e, P(5.5));
     97         assert(c.size() == 3);
     98         assert(*r == 5.5);
     99     }
    100 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
    101     {
    102         typedef std::unordered_set<MoveOnly, std::hash<MoveOnly>,
    103                             std::equal_to<MoveOnly>, min_allocator<MoveOnly>> C;
    104         typedef C::iterator R;
    105         typedef MoveOnly P;
    106         C c;
    107         C::const_iterator e = c.end();
    108         R r = c.insert(e, P(3));
    109         assert(c.size() == 1);
    110         assert(*r == 3);
    111 
    112         r = c.insert(r, P(3));
    113         assert(c.size() == 1);
    114         assert(*r == 3);
    115 
    116         r = c.insert(e, P(4));
    117         assert(c.size() == 2);
    118         assert(*r == 4);
    119 
    120         r = c.insert(e, P(5));
    121         assert(c.size() == 3);
    122         assert(*r == 5);
    123     }
    124 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
    125 #if _LIBCPP_DEBUG >= 1
    126     {
    127         typedef std::unordered_set<double> C;
    128         typedef C::iterator R;
    129         typedef C::value_type P;
    130         C c;
    131         C c2;
    132         C::const_iterator e = c2.end();
    133         R r = c.insert(e, P(3.5));
    134         assert(false);
    135     }
    136 #endif
    137 #endif
    138 }
    139