libcxx

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iter_iter_alloc.pass.cpp (3395B)


      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 // <deque>
     11 
     12 // template <class InputIterator>
     13 //   deque(InputIterator f, InputIterator l, const allocator_type& a);
     14 
     15 #include <deque>
     16 #include <cassert>
     17 #include <cstddef>
     18 
     19 #include "test_macros.h"
     20 #include "test_iterators.h"
     21 #include "test_allocator.h"
     22 #include "min_allocator.h"
     23 #if TEST_STD_VER >= 11
     24 #include "emplace_constructible.h"
     25 #endif
     26 
     27 template <class InputIterator, class Allocator>
     28 void
     29 test(InputIterator f, InputIterator l, const Allocator& a)
     30 {
     31     typedef typename std::iterator_traits<InputIterator>::value_type T;
     32     typedef std::deque<T, Allocator> C;
     33     typedef typename C::const_iterator const_iterator;
     34     C d(f, l, a);
     35     assert(d.get_allocator() == a);
     36     assert(d.size() == static_cast<std::size_t>(std::distance(f, l)));
     37     assert(static_cast<std::size_t>(distance(d.begin(), d.end())) == d.size());
     38     for (const_iterator i = d.begin(), e = d.end(); i != e; ++i, ++f)
     39         assert(*i == *f);
     40 }
     41 
     42 void basic_test()
     43 {
     44     int ab[] = {3, 4, 2, 8, 0, 1, 44, 34, 45, 96, 80, 1, 13, 31, 45};
     45     int* an = ab + sizeof(ab)/sizeof(ab[0]);
     46     test(input_iterator<const int*>(ab), input_iterator<const int*>(an), test_allocator<int>(3));
     47     test(forward_iterator<const int*>(ab), forward_iterator<const int*>(an), test_allocator<int>(4));
     48     test(bidirectional_iterator<const int*>(ab), bidirectional_iterator<const int*>(an), test_allocator<int>(5));
     49     test(random_access_iterator<const int*>(ab), random_access_iterator<const int*>(an), test_allocator<int>(6));
     50 #if TEST_STD_VER >= 11
     51     test(input_iterator<const int*>(ab), input_iterator<const int*>(an), min_allocator<int>());
     52     test(forward_iterator<const int*>(ab), forward_iterator<const int*>(an), min_allocator<int>());
     53     test(bidirectional_iterator<const int*>(ab), bidirectional_iterator<const int*>(an), min_allocator<int>());
     54     test(random_access_iterator<const int*>(ab), random_access_iterator<const int*>(an), min_allocator<int>());
     55 #endif
     56 }
     57 
     58 
     59 void test_emplacable_concept() {
     60 #if TEST_STD_VER >= 11
     61   int arr1[] = {42};
     62   int arr2[] = {1, 101, 42};
     63   {
     64     using T = EmplaceConstructibleAndMoveable<int>;
     65     using It = random_access_iterator<int*>;
     66     std::allocator<T> a;
     67     {
     68       std::deque<T> v(It(arr1), It(std::end(arr1)), a);
     69       assert(v[0].value == 42);
     70     }
     71     {
     72       std::deque<T> v(It(arr2), It(std::end(arr2)), a);
     73       assert(v[0].value == 1);
     74       assert(v[1].value == 101);
     75       assert(v[2].value == 42);
     76     }
     77   }
     78   {
     79     using T = EmplaceConstructibleAndMoveable<int>;
     80     using It = input_iterator<int*>;
     81     std::allocator<T> a;
     82     {
     83       std::deque<T> v(It(arr1), It(std::end(arr1)), a);
     84       assert(v[0].copied == 0);
     85       assert(v[0].value == 42);
     86     }
     87     {
     88       std::deque<T> v(It(arr2), It(std::end(arr2)), a);
     89       //assert(v[0].copied == 0);
     90       assert(v[0].value == 1);
     91       //assert(v[1].copied == 0);
     92       assert(v[1].value == 101);
     93       assert(v[2].copied == 0);
     94       assert(v[2].value == 42);
     95     }
     96   }
     97 #endif
     98 }
     99 
    100 int main() {
    101   basic_test();
    102   test_emplacable_concept();
    103 }