//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <iterator>
// reverse_iterator
// template <class U>
// reverse_iterator(const reverse_iterator<U> &u); // constexpr since C++17
#include <iterator>
#include <cassert>
#include "test_macros.h"
#include "test_iterators.h"
struct Base { };
struct Derived : Base { };
template <class It, class U>
TEST_CONSTEXPR_CXX17 void test(U u) {
const std::reverse_iterator<U> r2(u);
std::reverse_iterator<It> r1 = r2;
assert(base(r1.base()) == base(u));
}
TEST_CONSTEXPR_CXX17 bool tests() {
Derived d;
test<bidirectional_iterator<Base*> >(bidirectional_iterator<Derived*>(&d));
test<random_access_iterator<const Base*> >(random_access_iterator<Derived*>(&d));
test<Base*>(&d);
return true;
}
int main(int, char**) {
tests();
#if TEST_STD_VER > 14
static_assert(tests(), "");
#endif
return 0;
}