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 // explicit deque(size_type n);
13 
14 #include <deque>
15 #include <cassert>
16 
17 #include "../../../stack_allocator.h"
18 #include "DefaultOnly.h"
19 #include "min_allocator.h"
20 
21 template <class T, class Allocator>
22 void
test2(unsigned n)23 test2(unsigned n)
24 {
25 #if _LIBCPP_STD_VER > 11
26     typedef std::deque<T, Allocator> C;
27     typedef typename C::const_iterator const_iterator;
28     assert(DefaultOnly::count == 0);
29     {
30     C d(n, Allocator());
31     assert(DefaultOnly::count == n);
32     assert(d.size() == n);
33     assert(distance(d.begin(), d.end()) == d.size());
34 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
35     for (const_iterator i = d.begin(), e = d.end(); i != e; ++i)
36         assert(*i == T());
37 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
38     }
39     assert(DefaultOnly::count == 0);
40 #endif
41 }
42 
43 template <class T, class Allocator>
44 void
test1(unsigned n)45 test1(unsigned n)
46 {
47     typedef std::deque<T, Allocator> C;
48     typedef typename C::const_iterator const_iterator;
49     assert(DefaultOnly::count == 0);
50     {
51     C d(n);
52     assert(DefaultOnly::count == n);
53     assert(d.size() == n);
54     assert(distance(d.begin(), d.end()) == d.size());
55 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
56     for (const_iterator i = d.begin(), e = d.end(); i != e; ++i)
57         assert(*i == T());
58 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
59     }
60     assert(DefaultOnly::count == 0);
61 }
62 
63 template <class T, class Allocator>
64 void
test3(unsigned n,Allocator const & alloc=Allocator ())65 test3(unsigned n, Allocator const &alloc = Allocator())
66 {
67 #if _LIBCPP_STD_VER > 11
68     typedef std::deque<T, Allocator> C;
69     typedef typename C::const_iterator const_iterator;
70     {
71     C d(n, alloc);
72     assert(d.size() == n);
73     assert(d.get_allocator() == alloc);
74     }
75 #endif
76 }
77 
78 template <class T, class Allocator>
79 void
test(unsigned n)80 test(unsigned n)
81 {
82     test1<T, Allocator> ( n );
83     test2<T, Allocator> ( n );
84 }
85 
main()86 int main()
87 {
88     test<DefaultOnly, std::allocator<DefaultOnly> >(0);
89     test<DefaultOnly, std::allocator<DefaultOnly> >(1);
90     test<DefaultOnly, std::allocator<DefaultOnly> >(10);
91     test<DefaultOnly, std::allocator<DefaultOnly> >(1023);
92     test<DefaultOnly, std::allocator<DefaultOnly> >(1024);
93     test<DefaultOnly, std::allocator<DefaultOnly> >(1025);
94     test<DefaultOnly, std::allocator<DefaultOnly> >(2047);
95     test<DefaultOnly, std::allocator<DefaultOnly> >(2048);
96     test<DefaultOnly, std::allocator<DefaultOnly> >(2049);
97     test<DefaultOnly, std::allocator<DefaultOnly> >(4095);
98     test<DefaultOnly, std::allocator<DefaultOnly> >(4096);
99     test<DefaultOnly, std::allocator<DefaultOnly> >(4097);
100 
101     test1<DefaultOnly, stack_allocator<DefaultOnly, 4096> >(4095);
102 
103 #if __cplusplus >= 201103L
104     test<DefaultOnly, min_allocator<DefaultOnly> >(4095);
105 #endif
106 
107 #if _LIBCPP_STD_VER > 11
108     test3<DefaultOnly, std::allocator<DefaultOnly>> (1023);
109     test3<int, std::allocator<int>>(1);
110     test3<int, min_allocator<int>> (3);
111 #endif
112 
113 }
114