libcxx

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insert_range.pass.cpp (4080B)


      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_map>
     11 
     12 // template <class Key, class T, class Hash = hash<Key>, class Pred = equal_to<Key>,
     13 //           class Alloc = allocator<pair<const Key, T>>>
     14 // class unordered_multimap
     15 
     16 // template <class InputIterator>
     17 //     void insert(InputIterator first, InputIterator last);
     18 
     19 #include <unordered_map>
     20 #include <string>
     21 #include <cassert>
     22 #include <cstddef>
     23 
     24 #include "test_iterators.h"
     25 #include "min_allocator.h"
     26 
     27 int main()
     28 {
     29     {
     30         typedef std::unordered_multimap<int, std::string> C;
     31         typedef std::pair<int, std::string> P;
     32         P a[] =
     33         {
     34             P(1, "one"),
     35             P(2, "two"),
     36             P(3, "three"),
     37             P(4, "four"),
     38             P(1, "four"),
     39             P(2, "four"),
     40         };
     41         C c;
     42         c.insert(input_iterator<P*>(a), input_iterator<P*>(a + sizeof(a)/sizeof(a[0])));
     43         assert(c.size() == 6);
     44         typedef std::pair<C::iterator, C::iterator> Eq;
     45         Eq eq = c.equal_range(1);
     46         assert(std::distance(eq.first, eq.second) == 2);
     47         C::iterator k = eq.first;
     48         assert(k->first == 1);
     49         assert(k->second == "one");
     50         ++k;
     51         assert(k->first == 1);
     52         assert(k->second == "four");
     53         eq = c.equal_range(2);
     54         assert(std::distance(eq.first, eq.second) == 2);
     55         k = eq.first;
     56         assert(k->first == 2);
     57         assert(k->second == "two");
     58         ++k;
     59         assert(k->first == 2);
     60         assert(k->second == "four");
     61         eq = c.equal_range(3);
     62         assert(std::distance(eq.first, eq.second) == 1);
     63         k = eq.first;
     64         assert(k->first == 3);
     65         assert(k->second == "three");
     66         eq = c.equal_range(4);
     67         assert(std::distance(eq.first, eq.second) == 1);
     68         k = eq.first;
     69         assert(k->first == 4);
     70         assert(k->second == "four");
     71         assert(static_cast<std::size_t>(std::distance(c.begin(), c.end())) == c.size());
     72         assert(static_cast<std::size_t>(std::distance(c.cbegin(), c.cend())) == c.size());
     73     }
     74 #if TEST_STD_VER >= 11
     75     {
     76         typedef std::unordered_multimap<int, std::string, std::hash<int>, std::equal_to<int>,
     77                             min_allocator<std::pair<const int, std::string>>> C;
     78         typedef std::pair<int, std::string> P;
     79         P a[] =
     80         {
     81             P(1, "one"),
     82             P(2, "two"),
     83             P(3, "three"),
     84             P(4, "four"),
     85             P(1, "four"),
     86             P(2, "four"),
     87         };
     88         C c;
     89         c.insert(input_iterator<P*>(a), input_iterator<P*>(a + sizeof(a)/sizeof(a[0])));
     90         assert(c.size() == 6);
     91         typedef std::pair<C::iterator, C::iterator> Eq;
     92         Eq eq = c.equal_range(1);
     93         assert(std::distance(eq.first, eq.second) == 2);
     94         C::iterator k = eq.first;
     95         assert(k->first == 1);
     96         assert(k->second == "one");
     97         ++k;
     98         assert(k->first == 1);
     99         assert(k->second == "four");
    100         eq = c.equal_range(2);
    101         assert(std::distance(eq.first, eq.second) == 2);
    102         k = eq.first;
    103         assert(k->first == 2);
    104         assert(k->second == "two");
    105         ++k;
    106         assert(k->first == 2);
    107         assert(k->second == "four");
    108         eq = c.equal_range(3);
    109         assert(std::distance(eq.first, eq.second) == 1);
    110         k = eq.first;
    111         assert(k->first == 3);
    112         assert(k->second == "three");
    113         eq = c.equal_range(4);
    114         assert(std::distance(eq.first, eq.second) == 1);
    115         k = eq.first;
    116         assert(k->first == 4);
    117         assert(k->second == "four");
    118         assert(static_cast<std::size_t>(std::distance(c.begin(), c.end())) == c.size());
    119         assert(static_cast<std::size_t>(std::distance(c.cbegin(), c.cend())) == c.size());
    120     }
    121 #endif
    122 }