| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| |
| // <filesystem> |
| |
| // class directory_iterator |
| |
| // directory_iterator begin(directory_iterator iter) noexcept; |
| // directory_iterator end(directory_iterator iter) noexcept; |
| |
| #include "filesystem_include.h" |
| #include <type_traits> |
| #include <set> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| #include "filesystem_test_helper.h" |
| |
| using namespace fs; |
| |
| static void test_function_signatures() |
| { |
| directory_iterator d; |
| |
| ASSERT_SAME_TYPE(decltype(begin(d)), directory_iterator); |
| ASSERT_SAME_TYPE(decltype(begin(std::move(d))), directory_iterator); |
| ASSERT_NOEXCEPT(begin(d)); |
| ASSERT_NOEXCEPT(begin(std::move(d))); |
| |
| ASSERT_SAME_TYPE(decltype(end(d)), directory_iterator); |
| ASSERT_SAME_TYPE(decltype(end(std::move(d))), 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.DirIterationList.begin(), |
| static_env.DirIterationList.end()); |
| |
| std::error_code ec; |
| 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; |
| } |