//===----------------------------------------------------------------------===//
//
// 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
// istreambuf_iterator
#include <iterator>
#include <istream>
#include <string>
using iterator = std::istreambuf_iterator<char>;
static_assert(std::input_iterator<iterator>);
static_assert(!std::forward_iterator<iterator>);
static_assert(!std::indirectly_writable<iterator, char>);
static_assert(!std::incrementable<iterator>);
static_assert(std::sentinel_for<iterator, iterator>);
static_assert(!std::sized_sentinel_for<iterator, iterator>);
static_assert(std::indirectly_movable<iterator, char*>);
static_assert(std::indirectly_movable_storable<iterator, char*>);
static_assert(std::indirectly_copyable<iterator, char*>);
static_assert(std::indirectly_copyable_storable<iterator, char*>);
static_assert(!std::indirectly_swappable<iterator, iterator>);