| //===----------------------------------------------------------------------===// |
| // |
| // 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> |
| |
| // void create_symlink(const path& existing_symlink, const path& new_symlink); |
| // void create_symlink(const path& existing_symlink, const path& new_symlink, |
| // error_code& ec) noexcept; |
| |
| #include "filesystem_include.h" |
| #include <cassert> |
| |
| #include "test_macros.h" |
| #include "filesystem_test_helper.h" |
| |
| using namespace fs; |
| |
| static void test_signatures() |
| { |
| const path p; ((void)p); |
| std::error_code ec; ((void)ec); |
| ASSERT_NOT_NOEXCEPT(fs::create_symlink(p, p)); |
| ASSERT_NOEXCEPT(fs::create_symlink(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_symlink(sym, file2, ec); |
| assert(ec); |
| } |
| } |
| |
| static void create_symlink_basic() |
| { |
| scoped_test_env env; |
| const path file = env.create_file("file", 42); |
| const path file_sym = env.create_symlink(file, "file_sym"); |
| const path dir = env.create_dir("dir"); |
| const path dir_sym = env.create_directory_symlink(dir, "dir_sym"); |
| { |
| const path dest = env.make_env_path("dest1"); |
| std::error_code ec; |
| fs::create_symlink(file_sym, dest, ec); |
| assert(!ec); |
| assert(is_symlink(dest)); |
| assert(equivalent(dest, file)); |
| } |
| { |
| const path dest = env.make_env_path("dest2"); |
| std::error_code ec; |
| fs::create_directory_symlink(dir_sym, dest, ec); |
| assert(!ec); |
| assert(is_symlink(dest)); |
| assert(equivalent(dest, dir)); |
| } |
| } |
| |
| static void create_symlink_dest_cleanup() |
| { |
| scoped_test_env env; |
| const path dir = env.create_dir("dir"); |
| const path file = env.create_file("file", 42); |
| const path sym = dir / "link"; |
| // The target path has to be normalized to backslashes before creating |
| // the link on windows, otherwise the link isn't dereferencable. |
| const path sym_target = "../file"; |
| path sym_target_normalized = sym_target; |
| sym_target_normalized.make_preferred(); |
| std::error_code ec; |
| fs::create_symlink(sym_target, sym, ec); |
| assert(!ec); |
| assert(equivalent(sym, file, ec)); |
| const path ret = fs::read_symlink(sym, ec); |
| assert(!ec); |
| assert(ret.native() == sym_target_normalized.native()); |
| } |
| |
| int main(int, char**) { |
| test_signatures(); |
| test_error_reporting(); |
| create_symlink_basic(); |
| create_symlink_dest_cleanup(); |
| |
| return 0; |
| } |