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 // Test nested types and default template args:
12 
13 // template <class T, class Allocator = allocator<T> >
14 // class deque;
15 
16 // iterator, const_iterator
17 
18 #include <deque>
19 #include <iterator>
20 #include <cassert>
21 
22 #include "test_macros.h"
23 #include "min_allocator.h"
24 
main(int,char **)25 int main(int, char**)
26 {
27     {
28     typedef std::deque<int> C;
29     C c;
30     C::iterator i;
31     i = c.begin();
32     C::const_iterator j;
33     j = c.cbegin();
34     assert(i == j);
35     }
36 #if TEST_STD_VER >= 11
37     {
38     typedef std::deque<int, min_allocator<int>> C;
39     C c;
40     C::iterator i;
41     i = c.begin();
42     C::const_iterator j;
43     j = c.cbegin();
44     assert(i == j);
45     }
46 #endif
47 #if TEST_STD_VER > 11
48     { // N3644 testing
49         std::deque<int>::iterator ii1{}, ii2{};
50         std::deque<int>::iterator ii4 = ii1;
51         std::deque<int>::const_iterator cii{};
52         assert ( ii1 == ii2 );
53         assert ( ii1 == ii4 );
54 
55         assert (!(ii1 != ii2 ));
56 
57         assert ( (ii1 == cii ));
58         assert ( (cii == ii1 ));
59         assert (!(ii1 != cii ));
60         assert (!(cii != ii1 ));
61         assert (!(ii1 <  cii ));
62         assert (!(cii <  ii1 ));
63         assert ( (ii1 <= cii ));
64         assert ( (cii <= ii1 ));
65         assert (!(ii1 >  cii ));
66         assert (!(cii >  ii1 ));
67         assert ( (ii1 >= cii ));
68         assert ( (cii >= ii1 ));
69         assert (cii - ii1 == 0);
70         assert (ii1 - cii == 0);
71 
72 //         std::deque<int> c;
73 //         assert ( ii1 != c.cbegin());
74 //         assert ( cii != c.begin());
75 //         assert ( cii != c.cend());
76 //         assert ( ii1 != c.end());
77     }
78 #endif
79 
80   return 0;
81 }
82