xref: /llvm-project/libcxx/test/std/containers/sequences/deque/deque.cons/iter_iter.pass.cpp (revision 10ec9276d40024c23a481e6671dad1521151dd85)
1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 // <deque>
10 
11 // template <class InputIterator> deque(InputIterator f, InputIterator l);
12 
13 #include "asan_testing.h"
14 #include <deque>
15 #include <cassert>
16 #include <cstddef>
17 
18 #include "test_macros.h"
19 #include "test_allocator.h"
20 #include "test_iterators.h"
21 #include "min_allocator.h"
22 #if TEST_STD_VER >= 11
23 #include "emplace_constructible.h"
24 #endif
25 
26 template <class InputIterator>
27 void
test(InputIterator f,InputIterator l)28 test(InputIterator f, InputIterator l)
29 {
30     typedef typename std::iterator_traits<InputIterator>::value_type T;
31     typedef std::allocator<T> Allocator;
32     typedef std::deque<T, Allocator> C;
33     typedef typename C::const_iterator const_iterator;
34     C d(f, l);
35     assert(d.size() == static_cast<std::size_t>(std::distance(f, l)));
36     assert(static_cast<std::size_t>(std::distance(d.begin(), d.end())) == d.size());
37     LIBCPP_ASSERT(is_double_ended_contiguous_container_asan_correct(d));
38     for (const_iterator i = d.begin(), e = d.end(); i != e; ++i, ++f)
39         assert(*i == *f);
40 }
41 
42 template <class Allocator, class InputIterator>
43 void
test(InputIterator f,InputIterator l)44 test(InputIterator f, InputIterator l)
45 {
46     typedef typename std::iterator_traits<InputIterator>::value_type T;
47     typedef std::deque<T, Allocator> C;
48     typedef typename C::const_iterator const_iterator;
49     C d(f, l);
50     assert(d.size() == static_cast<std::size_t>(std::distance(f, l)));
51     assert(static_cast<std::size_t>(std::distance(d.begin(), d.end())) == d.size());
52     LIBCPP_ASSERT(is_double_ended_contiguous_container_asan_correct(d));
53     for (const_iterator i = d.begin(), e = d.end(); i != e; ++i, ++f)
54         assert(*i == *f);
55 }
56 
basic_test()57 void basic_test()
58 {
59     int ab[] = {3, 4, 2, 8, 0, 1, 44, 34, 45, 96, 80, 1, 13, 31, 45};
60     int* an = ab + sizeof(ab)/sizeof(ab[0]);
61     test(cpp17_input_iterator<const int*>(ab), cpp17_input_iterator<const int*>(an));
62     test(forward_iterator<const int*>(ab), forward_iterator<const int*>(an));
63     test(bidirectional_iterator<const int*>(ab), bidirectional_iterator<const int*>(an));
64     test(random_access_iterator<const int*>(ab), random_access_iterator<const int*>(an));
65     test<limited_allocator<int, 4096> >(ab, an);
66 #if TEST_STD_VER >= 11
67     test<min_allocator<int> >(ab, an);
68 #endif
69 }
70 
71 
test_emplacable_concept()72 void test_emplacable_concept() {
73 #if TEST_STD_VER >= 11
74   int arr1[] = {42};
75   int arr2[] = {1, 101, 42};
76   {
77     using T = EmplaceConstructibleAndMoveable<int>;
78     using It = random_access_iterator<int*>;
79     {
80       std::deque<T> v(It(arr1), It(std::end(arr1)));
81       assert(v[0].value == 42);
82     }
83     {
84       std::deque<T> v(It(arr2), It(std::end(arr2)));
85       assert(v[0].value == 1);
86       assert(v[1].value == 101);
87       assert(v[2].value == 42);
88     }
89   }
90   {
91     using T = EmplaceConstructibleAndMoveable<int>;
92     using It = cpp17_input_iterator<int*>;
93     {
94       std::deque<T> v(It(arr1), It(std::end(arr1)));
95       assert(v[0].copied == 0);
96       assert(v[0].value == 42);
97     }
98     {
99       std::deque<T> v(It(arr2), It(std::end(arr2)));
100       //assert(v[0].copied == 0);
101       assert(v[0].value == 1);
102       //assert(v[1].copied == 0);
103       assert(v[1].value == 101);
104       assert(v[2].copied == 0);
105       assert(v[2].value == 42);
106     }
107   }
108 #endif
109 }
110 
main(int,char **)111 int main(int, char**) {
112   basic_test();
113   test_emplacable_concept();
114 
115   return 0;
116 }
117