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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, c++14, c++17
// UNSUPPORTED: libcpp-no-concepts
// UNSUPPORTED: gcc-10
// decltype(auto) operator->() const
// requires see below;
#include <iterator>
#include <cassert>
#include "test_macros.h"
#include "types.h"
void test() {
int buffer[8] = {1, 2, 3, 4, 5, 6, 7, 8};
// Case 2: http://eel.is/c++draft/iterators.common#common.iter.access-5.2
{
auto iter1 = simple_iterator<int*>(buffer);
auto commonIter1 = std::common_iterator<decltype(iter1), sentinel_type<int*>>(iter1);
const auto commonIter2 = std::common_iterator<decltype(iter1), sentinel_type<int*>>(iter1);
assert(commonIter1.operator->() == buffer);
assert(commonIter2.operator->() == buffer);
}
// Case 3: http://eel.is/c++draft/iterators.common#common.iter.access-5.3
{
auto iter1 = value_iterator<int*>(buffer);
auto commonIter1 = std::common_iterator<decltype(iter1), sentinel_type<int*>>(iter1);
const auto commonIter2 = std::common_iterator<decltype(iter1), sentinel_type<int*>>(iter1);
assert(*commonIter1.operator->().operator->() == 1);
assert(*commonIter2.operator->().operator->() == 1);
}
// Case 3: http://eel.is/c++draft/iterators.common#common.iter.access-5.3
{
auto iter1 = void_plus_plus_iterator<int*>(buffer);
auto commonIter1 = std::common_iterator<decltype(iter1), sentinel_type<int*>>(iter1);
const auto commonIter2 = std::common_iterator<decltype(iter1), sentinel_type<int*>>(iter1);
assert(*commonIter1.operator->().operator->() == 1);
assert(*commonIter2.operator->().operator->() == 1);
}
// Case 1: http://eel.is/c++draft/iterators.common#common.iter.access-5.1
{
auto iter1 = cpp17_input_iterator<int*>(buffer);
auto commonIter1 = std::common_iterator<decltype(iter1), sentinel_type<int*>>(iter1);
const auto commonIter2 = std::common_iterator<decltype(iter1), sentinel_type<int*>>(iter1);
assert(commonIter1.operator->().base() == buffer);
assert(commonIter2.operator->().base() == buffer);
}
// Case 1: http://eel.is/c++draft/iterators.common#common.iter.access-5.1
{
auto iter1 = forward_iterator<int*>(buffer);
auto commonIter1 = std::common_iterator<decltype(iter1), sentinel_type<int*>>(iter1);
const auto commonIter2 = std::common_iterator<decltype(iter1), sentinel_type<int*>>(iter1);
assert(commonIter1.operator->().base() == buffer);
assert(commonIter2.operator->().base() == buffer);
}
// Case 1: http://eel.is/c++draft/iterators.common#common.iter.access-5.1
{
auto iter1 = random_access_iterator<int*>(buffer);
auto commonIter1 = std::common_iterator<decltype(iter1), sentinel_type<int*>>(iter1);
const auto commonIter2 = std::common_iterator<decltype(iter1), sentinel_type<int*>>(iter1);
assert(commonIter1.operator->().base() == buffer);
assert(commonIter2.operator->().base() == buffer);
}
}
int main(int, char**) {
test();
return 0;
}
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