| //===----------------------------------------------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // UNSUPPORTED: c++98, c++03 |
| |
| // <experimental/filesystem> |
| |
| // class recursive_directory_iterator |
| |
| // recursive_directory_iterator& operator++(); |
| // recursive_directory_iterator& increment(error_code& ec) noexcept; |
| |
| #include <experimental/filesystem> |
| #include <type_traits> |
| #include <set> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| #include "rapid-cxx-test.hpp" |
| #include "filesystem_test_helper.hpp" |
| #include <iostream> |
| |
| using namespace std::experimental::filesystem; |
| |
| TEST_SUITE(recursive_directory_iterator_increment_tests) |
| |
| TEST_CASE(test_increment_signatures) |
| { |
| using D = recursive_directory_iterator; |
| recursive_directory_iterator d; ((void)d); |
| std::error_code ec; ((void)ec); |
| |
| ASSERT_SAME_TYPE(decltype(++d), recursive_directory_iterator&); |
| ASSERT_NOT_NOEXCEPT(++d); |
| |
| ASSERT_SAME_TYPE(decltype(d.increment(ec)), recursive_directory_iterator&); |
| ASSERT_NOEXCEPT(d.increment(ec)); |
| } |
| |
| TEST_CASE(test_prefix_increment) |
| { |
| const path testDir = StaticEnv::Dir; |
| const std::set<path> dir_contents(std::begin(StaticEnv::RecDirIterationList), |
| std::end( StaticEnv::RecDirIterationList)); |
| const recursive_directory_iterator endIt{}; |
| |
| std::error_code ec; |
| recursive_directory_iterator it(testDir, ec); |
| TEST_REQUIRE(!ec); |
| |
| std::set<path> unseen_entries = dir_contents; |
| while (!unseen_entries.empty()) { |
| TEST_REQUIRE(it != endIt); |
| const path entry = *it; |
| TEST_REQUIRE(unseen_entries.erase(entry) == 1); |
| recursive_directory_iterator& it_ref = ++it; |
| TEST_CHECK(&it_ref == &it); |
| } |
| |
| TEST_CHECK(it == endIt); |
| } |
| |
| TEST_CASE(test_postfix_increment) |
| { |
| const path testDir = StaticEnv::Dir; |
| const std::set<path> dir_contents(std::begin(StaticEnv::RecDirIterationList), |
| std::end( StaticEnv::RecDirIterationList)); |
| const recursive_directory_iterator endIt{}; |
| |
| std::error_code ec; |
| recursive_directory_iterator it(testDir, ec); |
| TEST_REQUIRE(!ec); |
| |
| std::set<path> unseen_entries = dir_contents; |
| while (!unseen_entries.empty()) { |
| TEST_REQUIRE(it != endIt); |
| const path entry = *it; |
| TEST_REQUIRE(unseen_entries.erase(entry) == 1); |
| const path entry2 = *it++; |
| TEST_CHECK(entry2 == entry); |
| } |
| TEST_CHECK(it == endIt); |
| } |
| |
| |
| TEST_CASE(test_increment_method) |
| { |
| const path testDir = StaticEnv::Dir; |
| const std::set<path> dir_contents(std::begin(StaticEnv::RecDirIterationList), |
| std::end( StaticEnv::RecDirIterationList)); |
| const recursive_directory_iterator endIt{}; |
| |
| std::error_code ec; |
| recursive_directory_iterator it(testDir, ec); |
| TEST_REQUIRE(!ec); |
| |
| std::set<path> unseen_entries = dir_contents; |
| while (!unseen_entries.empty()) { |
| TEST_REQUIRE(it != endIt); |
| const path entry = *it; |
| TEST_REQUIRE(unseen_entries.erase(entry) == 1); |
| recursive_directory_iterator& it_ref = it.increment(ec); |
| TEST_REQUIRE(!ec); |
| TEST_CHECK(&it_ref == &it); |
| } |
| |
| TEST_CHECK(it == endIt); |
| } |
| |
| TEST_CASE(test_follow_symlinks) |
| { |
| const path testDir = StaticEnv::Dir; |
| auto const& IterList = StaticEnv::RecDirFollowSymlinksIterationList; |
| |
| const std::set<path> dir_contents(std::begin(IterList), std::end(IterList)); |
| const recursive_directory_iterator endIt{}; |
| |
| std::error_code ec; |
| recursive_directory_iterator it(testDir, |
| directory_options::follow_directory_symlink, ec); |
| TEST_REQUIRE(!ec); |
| |
| std::set<path> unseen_entries = dir_contents; |
| while (!unseen_entries.empty()) { |
| TEST_REQUIRE(it != endIt); |
| const path entry = *it; |
| |
| TEST_REQUIRE(unseen_entries.erase(entry) == 1); |
| recursive_directory_iterator& it_ref = it.increment(ec); |
| TEST_REQUIRE(!ec); |
| TEST_CHECK(&it_ref == &it); |
| } |
| TEST_CHECK(it == endIt); |
| } |
| |
| TEST_CASE(access_denied_on_recursion_test_case) |
| { |
| using namespace std::experimental::filesystem; |
| scoped_test_env env; |
| const path testFiles[] = { |
| env.create_dir("dir1"), |
| env.create_dir("dir1/dir2"), |
| env.create_file("dir1/dir2/file1"), |
| env.create_file("dir1/file2") |
| }; |
| const path startDir = testFiles[0]; |
| const path permDeniedDir = testFiles[1]; |
| const path otherFile = testFiles[3]; |
| auto SkipEPerm = directory_options::skip_permission_denied; |
| |
| // Change the permissions so we can no longer iterate |
| permissions(permDeniedDir, perms::none); |
| |
| const recursive_directory_iterator endIt; |
| |
| // Test that recursion resulting in a "EACCESS" error is not ignored |
| // by default. |
| { |
| std::error_code ec = GetTestEC(); |
| recursive_directory_iterator it(startDir, ec); |
| TEST_REQUIRE(ec != GetTestEC()); |
| TEST_REQUIRE(!ec); |
| while (it != endIt && it->path() != permDeniedDir) |
| ++it; |
| TEST_REQUIRE(it != endIt); |
| TEST_REQUIRE(*it == permDeniedDir); |
| |
| it.increment(ec); |
| TEST_CHECK(ec); |
| TEST_CHECK(it == endIt); |
| } |
| // Same as obove but test operator++(). |
| { |
| std::error_code ec = GetTestEC(); |
| recursive_directory_iterator it(startDir, ec); |
| TEST_REQUIRE(!ec); |
| while (it != endIt && it->path() != permDeniedDir) |
| ++it; |
| TEST_REQUIRE(it != endIt); |
| TEST_REQUIRE(*it == permDeniedDir); |
| |
| TEST_REQUIRE_THROW(filesystem_error, ++it); |
| } |
| // Test that recursion resulting in a "EACCESS" error is ignored when the |
| // correct options are given to the constructor. |
| { |
| std::error_code ec = GetTestEC(); |
| recursive_directory_iterator it(startDir, SkipEPerm, ec); |
| TEST_REQUIRE(!ec); |
| TEST_REQUIRE(it != endIt); |
| const path elem = *it; |
| if (elem == permDeniedDir) { |
| it.increment(ec); |
| TEST_REQUIRE(!ec); |
| TEST_REQUIRE(it != endIt); |
| TEST_CHECK(*it == otherFile); |
| } else if (elem == otherFile) { |
| it.increment(ec); |
| TEST_REQUIRE(!ec); |
| TEST_CHECK(it == endIt); |
| } |
| } |
| // Test that construction resulting in a "EACCESS" error is not ignored |
| // by default. |
| { |
| std::error_code ec; |
| recursive_directory_iterator it(permDeniedDir, ec); |
| TEST_REQUIRE(ec); |
| TEST_REQUIRE(it == endIt); |
| } |
| // Same as obove but testing the throwing constructors |
| { |
| TEST_REQUIRE_THROW(filesystem_error, |
| recursive_directory_iterator(permDeniedDir)); |
| } |
| // Test that construction resulting in a "EACCESS" error constructs the |
| // end iterator when the correct options are given. |
| { |
| std::error_code ec = GetTestEC(); |
| recursive_directory_iterator it(permDeniedDir, SkipEPerm, ec); |
| TEST_REQUIRE(!ec); |
| TEST_REQUIRE(it == endIt); |
| } |
| } |
| |
| TEST_SUITE_END() |