| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| // UNSUPPORTED: no-filesystem |
| // UNSUPPORTED: availability-filesystem-missing |
| |
| // <filesystem> |
| |
| // bool is_block_file(file_status s) noexcept |
| // bool is_block_file(path const& p); |
| // bool is_block_file(path const& p, std::error_code& ec) noexcept; |
| |
| #include "filesystem_include.h" |
| #include <type_traits> |
| #include <cassert> |
| |
| #include "assert_macros.h" |
| #include "test_macros.h" |
| #include "filesystem_test_helper.h" |
| |
| using namespace fs; |
| |
| static void signature_test() |
| { |
| file_status s; ((void)s); |
| const path p; ((void)p); |
| std::error_code ec; ((void)ec); |
| ASSERT_NOEXCEPT(is_block_file(s)); |
| ASSERT_NOEXCEPT(is_block_file(p, ec)); |
| ASSERT_NOT_NOEXCEPT(is_block_file(p)); |
| } |
| |
| static void is_block_file_status_test() |
| { |
| struct TestCase { |
| file_type type; |
| bool expect; |
| }; |
| const TestCase testCases[] = { |
| {file_type::none, false}, |
| {file_type::not_found, false}, |
| {file_type::regular, false}, |
| {file_type::directory, false}, |
| {file_type::symlink, false}, |
| {file_type::block, true}, |
| {file_type::character, false}, |
| {file_type::fifo, false}, |
| {file_type::socket, false}, |
| {file_type::unknown, false} |
| }; |
| for (auto& TC : testCases) { |
| file_status s(TC.type); |
| assert(is_block_file(s) == TC.expect); |
| } |
| } |
| |
| static void test_exist_not_found() |
| { |
| static_test_env static_env; |
| const path p = static_env.DNE; |
| assert(is_block_file(p) == false); |
| } |
| |
| static void test_is_block_file_fails() |
| { |
| scoped_test_env env; |
| #ifdef _WIN32 |
| // Windows doesn't support setting perms::none to trigger failures |
| // reading directories; test using a special inaccessible directory |
| // instead. |
| const path p = GetWindowsInaccessibleDir(); |
| if (p.empty()) |
| return; |
| #else |
| const path dir = env.create_dir("dir"); |
| const path p = env.create_file("dir/file", 42); |
| permissions(dir, perms::none); |
| #endif |
| |
| std::error_code ec; |
| assert(is_block_file(p, ec) == false); |
| assert(ec); |
| |
| TEST_THROWS_TYPE(filesystem_error, is_block_file(p)); |
| } |
| |
| int main(int, char**) { |
| signature_test(); |
| is_block_file_status_test(); |
| test_exist_not_found(); |
| test_is_block_file_fails(); |
| |
| return 0; |
| } |