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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 // <set>
     11 
     12 // class set
     13 
     14 // set(set&& s, const allocator_type& a);
     15 
     16 #include <set>
     17 #include <cassert>
     18 
     19 #include "MoveOnly.h"
     20 #include "../../../test_compare.h"
     21 #include "test_allocator.h"
     22 #include "Counter.h"
     23 
     24 int main()
     25 {
     26 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     27     {
     28         typedef MoveOnly V;
     29         typedef test_compare<std::less<MoveOnly> > C;
     30         typedef test_allocator<V> A;
     31         typedef std::set<MoveOnly, C, A> M;
     32         typedef std::move_iterator<V*> I;
     33         V a1[] =
     34         {
     35             V(1),
     36             V(1),
     37             V(1),
     38             V(2),
     39             V(2),
     40             V(2),
     41             V(3),
     42             V(3),
     43             V(3)
     44         };
     45         M m1(I(a1), I(a1+sizeof(a1)/sizeof(a1[0])), C(5), A(7));
     46         V a2[] =
     47         {
     48             V(1),
     49             V(1),
     50             V(1),
     51             V(2),
     52             V(2),
     53             V(2),
     54             V(3),
     55             V(3),
     56             V(3)
     57         };
     58         M m2(I(a2), I(a2+sizeof(a2)/sizeof(a2[0])), C(5), A(7));
     59         M m3(std::move(m1), A(7));
     60         assert(m3 == m2);
     61         assert(m3.get_allocator() == A(7));
     62         assert(m3.key_comp() == C(5));
     63         assert(m1.empty());
     64     }
     65     {
     66         typedef MoveOnly V;
     67         typedef test_compare<std::less<MoveOnly> > C;
     68         typedef test_allocator<V> A;
     69         typedef std::set<MoveOnly, C, A> M;
     70         typedef std::move_iterator<V*> I;
     71         V a1[] =
     72         {
     73             V(1),
     74             V(1),
     75             V(1),
     76             V(2),
     77             V(2),
     78             V(2),
     79             V(3),
     80             V(3),
     81             V(3)
     82         };
     83         M m1(I(a1), I(a1+sizeof(a1)/sizeof(a1[0])), C(5), A(7));
     84         V a2[] =
     85         {
     86             V(1),
     87             V(1),
     88             V(1),
     89             V(2),
     90             V(2),
     91             V(2),
     92             V(3),
     93             V(3),
     94             V(3)
     95         };
     96         M m2(I(a2), I(a2+sizeof(a2)/sizeof(a2[0])), C(5), A(7));
     97         M m3(std::move(m1), A(5));
     98         assert(m3 == m2);
     99         assert(m3.get_allocator() == A(5));
    100         assert(m3.key_comp() == C(5));
    101         assert(m1.empty());
    102     }
    103     {
    104         typedef MoveOnly V;
    105         typedef test_compare<std::less<MoveOnly> > C;
    106         typedef other_allocator<V> A;
    107         typedef std::set<MoveOnly, C, A> M;
    108         typedef std::move_iterator<V*> I;
    109         V a1[] =
    110         {
    111             V(1),
    112             V(1),
    113             V(1),
    114             V(2),
    115             V(2),
    116             V(2),
    117             V(3),
    118             V(3),
    119             V(3)
    120         };
    121         M m1(I(a1), I(a1+sizeof(a1)/sizeof(a1[0])), C(5), A(7));
    122         V a2[] =
    123         {
    124             V(1),
    125             V(1),
    126             V(1),
    127             V(2),
    128             V(2),
    129             V(2),
    130             V(3),
    131             V(3),
    132             V(3)
    133         };
    134         M m2(I(a2), I(a2+sizeof(a2)/sizeof(a2[0])), C(5), A(7));
    135         M m3(std::move(m1), A(5));
    136         assert(m3 == m2);
    137         assert(m3.get_allocator() == A(5));
    138         assert(m3.key_comp() == C(5));
    139         assert(m1.empty());
    140     }
    141     {
    142         typedef Counter<int> V;
    143         typedef std::less<V> C;
    144         typedef test_allocator<V> A;
    145         typedef std::set<V, C, A> M;
    146         typedef V* I;
    147         Counter_base::gConstructed = 0;
    148         {
    149             V a1[] =
    150             {
    151             V(1),
    152             V(1),
    153             V(1),
    154             V(2),
    155             V(2),
    156             V(2),
    157             V(3),
    158             V(3),
    159             V(3)
    160             };
    161             const size_t num = sizeof(a1)/sizeof(a1[0]);
    162             assert(Counter_base::gConstructed == num);
    163 
    164             M m1(I(a1), I(a1+num), C(), A());
    165             assert(Counter_base::gConstructed == 3+num);
    166 
    167             M m2(m1);
    168             assert(m2 == m1);
    169             assert(Counter_base::gConstructed == 6+num);
    170 
    171             M m3(std::move(m1), A());
    172             assert(m3 == m2);
    173             assert(m1.empty());
    174             assert(Counter_base::gConstructed == 6+num);
    175 
    176             {
    177             M m4(std::move(m2), A(5));
    178             assert(Counter_base::gConstructed == 6+num);
    179             assert(m4 == m3);
    180             assert(m2.empty());
    181             }
    182             assert(Counter_base::gConstructed == 3+num);
    183         }
    184         assert(Counter_base::gConstructed == 0);
    185     }
    186 
    187 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
    188 }
    189