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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 multiset
     13 
     14 // void swap(multiset& m);
     15 
     16 #include <set>
     17 #include <cassert>
     18 
     19 #include "min_allocator.h"
     20 
     21 int main()
     22 {
     23     {
     24     typedef int V;
     25     typedef std::multiset<int> M;
     26     {
     27         V ar1[] =
     28         {
     29         };
     30         V ar2[] =
     31         {
     32         };
     33         M m1(ar1, ar1+sizeof(ar1)/sizeof(ar1[0]));
     34         M m2(ar2, ar2+sizeof(ar2)/sizeof(ar2[0]));
     35         M m1_save = m1;
     36         M m2_save = m2;
     37         m1.swap(m2);
     38         assert(m1 == m2_save);
     39         assert(m2 == m1_save);
     40     }
     41     {
     42         V ar1[] =
     43         {
     44         };
     45         V ar2[] =
     46         {
     47             5,
     48             6,
     49             7,
     50             8,
     51             9,
     52             10,
     53             11,
     54             12
     55         };
     56         M m1(ar1, ar1+sizeof(ar1)/sizeof(ar1[0]));
     57         M m2(ar2, ar2+sizeof(ar2)/sizeof(ar2[0]));
     58         M m1_save = m1;
     59         M m2_save = m2;
     60         m1.swap(m2);
     61         assert(m1 == m2_save);
     62         assert(m2 == m1_save);
     63     }
     64     {
     65         V ar1[] =
     66         {
     67             1,
     68             2,
     69             3,
     70             4
     71         };
     72         V ar2[] =
     73         {
     74         };
     75         M m1(ar1, ar1+sizeof(ar1)/sizeof(ar1[0]));
     76         M m2(ar2, ar2+sizeof(ar2)/sizeof(ar2[0]));
     77         M m1_save = m1;
     78         M m2_save = m2;
     79         m1.swap(m2);
     80         assert(m1 == m2_save);
     81         assert(m2 == m1_save);
     82     }
     83     {
     84         V ar1[] =
     85         {
     86             1,
     87             2,
     88             3,
     89             4
     90         };
     91         V ar2[] =
     92         {
     93             5,
     94             6,
     95             7,
     96             8,
     97             9,
     98             10,
     99             11,
    100             12
    101         };
    102         M m1(ar1, ar1+sizeof(ar1)/sizeof(ar1[0]));
    103         M m2(ar2, ar2+sizeof(ar2)/sizeof(ar2[0]));
    104         M m1_save = m1;
    105         M m2_save = m2;
    106         m1.swap(m2);
    107         assert(m1 == m2_save);
    108         assert(m2 == m1_save);
    109     }
    110     }
    111 #if __cplusplus >= 201103L
    112     {
    113     typedef int V;
    114     typedef std::multiset<int, std::less<int>, min_allocator<int>> M;
    115     {
    116         V ar1[] =
    117         {
    118         };
    119         V ar2[] =
    120         {
    121         };
    122         M m1(ar1, ar1+sizeof(ar1)/sizeof(ar1[0]));
    123         M m2(ar2, ar2+sizeof(ar2)/sizeof(ar2[0]));
    124         M m1_save = m1;
    125         M m2_save = m2;
    126         m1.swap(m2);
    127         assert(m1 == m2_save);
    128         assert(m2 == m1_save);
    129     }
    130     {
    131         V ar1[] =
    132         {
    133         };
    134         V ar2[] =
    135         {
    136             5,
    137             6,
    138             7,
    139             8,
    140             9,
    141             10,
    142             11,
    143             12
    144         };
    145         M m1(ar1, ar1+sizeof(ar1)/sizeof(ar1[0]));
    146         M m2(ar2, ar2+sizeof(ar2)/sizeof(ar2[0]));
    147         M m1_save = m1;
    148         M m2_save = m2;
    149         m1.swap(m2);
    150         assert(m1 == m2_save);
    151         assert(m2 == m1_save);
    152     }
    153     {
    154         V ar1[] =
    155         {
    156             1,
    157             2,
    158             3,
    159             4
    160         };
    161         V ar2[] =
    162         {
    163         };
    164         M m1(ar1, ar1+sizeof(ar1)/sizeof(ar1[0]));
    165         M m2(ar2, ar2+sizeof(ar2)/sizeof(ar2[0]));
    166         M m1_save = m1;
    167         M m2_save = m2;
    168         m1.swap(m2);
    169         assert(m1 == m2_save);
    170         assert(m2 == m1_save);
    171     }
    172     {
    173         V ar1[] =
    174         {
    175             1,
    176             2,
    177             3,
    178             4
    179         };
    180         V ar2[] =
    181         {
    182             5,
    183             6,
    184             7,
    185             8,
    186             9,
    187             10,
    188             11,
    189             12
    190         };
    191         M m1(ar1, ar1+sizeof(ar1)/sizeof(ar1[0]));
    192         M m2(ar2, ar2+sizeof(ar2)/sizeof(ar2[0]));
    193         M m1_save = m1;
    194         M m2_save = m2;
    195         m1.swap(m2);
    196         assert(m1 == m2_save);
    197         assert(m2 == m1_save);
    198     }
    199     }
    200 #endif
    201 }
    202