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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
//
//===----------------------------------------------------------------------===//
// REQUIRES: can-create-symlinks
// UNSUPPORTED: c++03, c++11, c++14
// UNSUPPORTED: no-filesystem
// UNSUPPORTED: availability-filesystem-missing
// <filesystem>
// class recursive_directory_iterator
// recursive_directory_iterator begin(recursive_directory_iterator iter) noexcept;
// recursive_directory_iterator end(recursive_directory_iterator iter) noexcept;
#include <filesystem>
#include <type_traits>
#include <set>
#include <cassert>
#include "test_macros.h"
#include "filesystem_test_helper.h"
namespace fs = std::filesystem;
using namespace fs;
static void test_function_signatures()
{
recursive_directory_iterator d;
ASSERT_SAME_TYPE(decltype(begin(d)), recursive_directory_iterator);
ASSERT_SAME_TYPE(decltype(begin(std::move(d))), recursive_directory_iterator);
ASSERT_NOEXCEPT(begin(d));
ASSERT_NOEXCEPT(begin(std::move(d)));
ASSERT_SAME_TYPE(decltype(end(d)), recursive_directory_iterator);
ASSERT_SAME_TYPE(decltype(end(std::move(d))), recursive_directory_iterator);
ASSERT_NOEXCEPT(end(d));
ASSERT_NOEXCEPT(end(std::move(d)));
}
static void test_ranged_for_loop()
{
static_test_env static_env;
const path testDir = static_env.Dir;
std::set<path> dir_contents(static_env.RecDirIterationList.begin(),
static_env.RecDirIterationList.end());
std::error_code ec;
recursive_directory_iterator it(testDir, ec);
assert(!ec);
for (auto& elem : it) {
assert(dir_contents.erase(elem) == 1);
}
assert(dir_contents.empty());
}
int main(int, char**) {
test_function_signatures();
test_ranged_for_loop();
return 0;
}
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