| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| |
| // Starting in Android N (API 24), SELinux policy prevents the shell user from |
| // creating a hard link. |
| // XFAIL: LIBCXX-ANDROID-FIXME && !android-device-api={{21|22|23}} |
| |
| // <filesystem> |
| |
| // void create_hard_link(const path& existing_symlink, const path& new_symlink); |
| // void create_hard_link(const path& existing_symlink, const path& new_symlink, |
| // error_code& ec) noexcept; |
| |
| #include <filesystem> |
| |
| #include "test_macros.h" |
| #include "filesystem_test_helper.h" |
| namespace fs = std::filesystem; |
| using namespace fs; |
| |
| static void test_signatures() |
| { |
| const path p; ((void)p); |
| std::error_code ec; ((void)ec); |
| ASSERT_NOT_NOEXCEPT(fs::create_hard_link(p, p)); |
| ASSERT_NOEXCEPT(fs::create_hard_link(p, p, ec)); |
| } |
| |
| static void test_error_reporting() |
| { |
| scoped_test_env env; |
| const path file = env.create_file("file1", 42); |
| const path file2 = env.create_file("file2", 55); |
| const path sym = env.create_symlink(file, "sym"); |
| { // destination exists |
| std::error_code ec; |
| fs::create_hard_link(sym, file2, ec); |
| assert(ec); |
| } |
| } |
| |
| static void create_file_hard_link() |
| { |
| scoped_test_env env; |
| const path file = env.create_file("file"); |
| const path dest = env.make_env_path("dest1"); |
| std::error_code ec; |
| assert(hard_link_count(file) == 1); |
| fs::create_hard_link(file, dest, ec); |
| assert(!ec); |
| assert(exists(dest)); |
| assert(equivalent(dest, file)); |
| assert(hard_link_count(file) == 2); |
| } |
| |
| static void create_directory_hard_link_fails() |
| { |
| scoped_test_env env; |
| const path dir = env.create_dir("dir"); |
| const path dest = env.make_env_path("dest2"); |
| std::error_code ec; |
| |
| fs::create_hard_link(dir, dest, ec); |
| assert(ec); |
| } |
| |
| int main(int, char**) { |
| test_signatures(); |
| test_error_reporting(); |
| create_file_hard_link(); |
| create_directory_hard_link_fails(); |
| |
| return 0; |
| } |