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//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03, c++11
// <iterator>
//
// Note that begin and end are tested in libcxx/test/std/language.support/support.initlist/support.initlist.range/begin_end.pass.cpp
//
// template <class E> constexpr reverse_iterator<const E*> rbegin(initializer_list<E> il); // C++14, constexpr since C++17
// template <class E> constexpr reverse_iterator<const E*> rend(initializer_list<E> il); // C++14, constexpr since C++17
#include <cassert>
#include <initializer_list>
#include <iterator>
#include "test_macros.h"
TEST_CONSTEXPR_CXX17 bool test() {
std::initializer_list<int> il = {1, 2, 3};
ASSERT_SAME_TYPE(decltype(std::rbegin(il)), std::reverse_iterator<const int*>);
ASSERT_SAME_TYPE(decltype(std::rend(il)), std::reverse_iterator<const int*>);
assert(std::rbegin(il).base() == il.end());
assert(std::rend(il).base() == il.begin());
const auto& cil = il;
ASSERT_SAME_TYPE(decltype(std::rbegin(cil)), std::reverse_iterator<const int*>);
ASSERT_SAME_TYPE(decltype(std::rend(cil)), std::reverse_iterator<const int*>);
assert(std::rbegin(cil).base() == il.end());
assert(std::rend(cil).base() == il.begin());
return true;
}
int main(int, char**) {
test();
#if TEST_STD_VER >= 17
static_assert(test());
#endif
return 0;
}
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