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 // <iterator>
10 
11 // reverse_iterator
12 
13 // iterator_type base() const; // constexpr since C++17
14 
15 #include <iterator>
16 #include <cassert>
17 
18 #include "test_macros.h"
19 #include "test_iterators.h"
20 
test()21 TEST_CONSTEXPR_CXX17 bool test() {
22     typedef bidirectional_iterator<int*> Iter;
23     int i = 0;
24     Iter iter(&i);
25     std::reverse_iterator<Iter> const reverse(iter);
26     std::reverse_iterator<Iter>::iterator_type base = reverse.base();
27     assert(base == Iter(&i));
28     return true;
29 }
30 
main(int,char **)31 int main(int, char**) {
32     test();
33 #if TEST_STD_VER > 14
34     static_assert(test(), "");
35 #endif
36     return 0;
37 }
38