| //===----------------------------------------------------------------------===// |
| // |
| // 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, c++11, c++14 |
| // UNSUPPORTED: no-filesystem |
| // UNSUPPORTED: availability-filesystem-missing |
| |
| // <filesystem> |
| |
| // void copy_symlink(const path& existing_symlink, const path& new_symlink); |
| // void copy_symlink(const path& existing_symlink, const path& new_symlink, |
| // error_code& ec) noexcept; |
| |
| #include <filesystem> |
| #include <type_traits> |
| #include <cassert> |
| |
| #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::copy_symlink(p, p)); |
| ASSERT_NOEXCEPT(fs::copy_symlink(p, p, ec)); |
| } |
| |
| |
| static void test_error_reporting() |
| { |
| auto checkThrow = [](path const& f, path const& t, const std::error_code& ec) |
| { |
| #ifndef TEST_HAS_NO_EXCEPTIONS |
| try { |
| fs::copy_symlink(f, t); |
| return true; |
| } catch (filesystem_error const& err) { |
| return err.path1() == f |
| && err.code() == ec; |
| } |
| #else |
| ((void)f); ((void)t); ((void)ec); |
| return true; |
| #endif |
| }; |
| |
| 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"); |
| const path dir = env.create_dir("dir"); |
| const path dne = env.make_env_path("dne"); |
| { // from is a file, not a symlink |
| std::error_code ec; |
| fs::copy_symlink(file, dne, ec); |
| assert(ec); |
| assert(checkThrow(file, dne, ec)); |
| } |
| { // from is a file, not a symlink |
| std::error_code ec; |
| fs::copy_symlink(dir, dne, ec); |
| assert(ec); |
| assert(checkThrow(dir, dne, ec)); |
| } |
| { // destination exists |
| std::error_code ec; |
| fs::copy_symlink(sym, file2, ec); |
| assert(ec); |
| } |
| } |
| |
| static void copy_symlink_basic() |
| { |
| scoped_test_env env; |
| const path dir = env.create_dir("dir"); |
| const path dir_sym = env.create_directory_symlink(dir, "dir_sym"); |
| const path file = env.create_file("file", 42); |
| const path file_sym = env.create_symlink(file, "file_sym"); |
| { // test for directory symlinks |
| const path dest = env.make_env_path("dest1"); |
| std::error_code ec; |
| fs::copy_symlink(dir_sym, dest, ec); |
| assert(!ec); |
| assert(is_symlink(dest)); |
| assert(equivalent(dest, dir)); |
| } |
| { // test for file symlinks |
| const path dest = env.make_env_path("dest2"); |
| std::error_code ec; |
| fs::copy_symlink(file_sym, dest, ec); |
| assert(!ec); |
| assert(is_symlink(dest)); |
| assert(equivalent(dest, file)); |
| } |
| } |
| |
| int main(int, char**) { |
| test_signatures(); |
| test_error_reporting(); |
| copy_symlink_basic(); |
| |
| return 0; |
| } |