| // { dg-do run { target c++17 } } |
| // { dg-require-filesystem-ts "" } |
| |
| // Copyright (C) 2014-2021 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 3, or (at your option) |
| // any later version. |
| |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // You should have received a copy of the GNU General Public License along |
| // with this library; see the file COPYING3. If not see |
| // <http://www.gnu.org/licenses/>. |
| |
| // 15.3 Copy [fs.op.copy] |
| |
| #include <filesystem> |
| #include <testsuite_fs.h> |
| #include <testsuite_hooks.h> |
| |
| namespace fs = std::filesystem; |
| |
| // Test error conditions. |
| void |
| test01() |
| { |
| auto p = __gnu_test::nonexistent_path(); |
| std::error_code ec; |
| |
| VERIFY( !fs::exists(p) ); |
| fs::copy(p, ".", fs::copy_options::none, ec); |
| VERIFY( ec ); |
| |
| ec.clear(); |
| fs::copy(".", ".", fs::copy_options::none, ec); |
| VERIFY( ec ); |
| |
| __gnu_test::scoped_file f(p); |
| VERIFY( fs::is_directory(".") ); |
| VERIFY( fs::is_regular_file(p) ); |
| ec.clear(); |
| fs::copy(".", p, fs::copy_options::none, ec); |
| VERIFY( ec ); |
| |
| auto to = __gnu_test::nonexistent_path(); |
| ec.clear(); |
| auto opts = fs::copy_options::create_symlinks; |
| fs::copy("/", to, opts, ec); |
| VERIFY( ec == std::make_error_code(std::errc::is_a_directory) ); |
| VERIFY( !exists(to) ); |
| |
| ec.clear(); |
| opts |= fs::copy_options::recursive; |
| fs::copy("/", to, opts, ec); |
| VERIFY( ec == std::make_error_code(std::errc::is_a_directory) ); |
| VERIFY( !exists(to) ); |
| } |
| |
| // Test is_symlink(f) case. |
| void |
| test02() |
| { |
| #if defined(__MINGW32__) || defined(__MINGW64__) |
| // No symlink support |
| return; |
| #endif |
| |
| const std::error_code bad_ec = make_error_code(std::errc::invalid_argument); |
| auto from = __gnu_test::nonexistent_path(); |
| auto to = __gnu_test::nonexistent_path(); |
| std::error_code ec; |
| |
| ec = bad_ec; |
| fs::create_symlink(".", from, ec); |
| VERIFY( !ec ); |
| VERIFY( fs::exists(from) ); |
| |
| ec = bad_ec; |
| fs::copy(from, to, fs::copy_options::skip_symlinks, ec); |
| VERIFY( !ec ); |
| VERIFY( !fs::exists(to) ); |
| |
| ec = bad_ec; |
| fs::copy(from, to, fs::copy_options::skip_symlinks, ec); |
| VERIFY( !ec ); |
| VERIFY( !fs::exists(to) ); |
| |
| ec = bad_ec; |
| fs::copy(from, to, |
| fs::copy_options::skip_symlinks|fs::copy_options::copy_symlinks, |
| ec); |
| VERIFY( !ec ); |
| VERIFY( !fs::exists(to) ); |
| |
| ec = bad_ec; |
| fs::copy(from, to, fs::copy_options::copy_symlinks, ec); |
| VERIFY( !ec ); |
| VERIFY( fs::exists(to) ); |
| VERIFY( is_symlink(to) ); |
| |
| ec.clear(); |
| fs::copy(from, to, fs::copy_options::copy_symlinks, ec); |
| VERIFY( ec ); |
| |
| remove(from, ec); |
| remove(to, ec); |
| } |
| |
| // Test is_regular_file(f) case. |
| void |
| test03() |
| { |
| auto from = __gnu_test::nonexistent_path(); |
| auto to = __gnu_test::nonexistent_path(); |
| |
| // test empty file |
| std::ofstream{from}; |
| VERIFY( fs::exists(from) ); |
| VERIFY( fs::file_size(from) == 0 ); |
| fs::copy(from, to); |
| VERIFY( fs::exists(to) ); |
| VERIFY( fs::file_size(to) == 0 ); |
| |
| remove(to); |
| VERIFY( !fs::exists(to) ); |
| std::ofstream{from} << "Hello, filesystem!"; |
| VERIFY( fs::file_size(from) != 0 ); |
| fs::copy(from, to); |
| VERIFY( fs::exists(to) ); |
| VERIFY( fs::file_size(to) == fs::file_size(from) ); |
| |
| remove(from); |
| remove(to); |
| } |
| |
| // Test is_directory(f) case. |
| void |
| test04() |
| { |
| const std::error_code bad_ec = make_error_code(std::errc::invalid_argument); |
| auto from = __gnu_test::nonexistent_path(); |
| auto to = __gnu_test::nonexistent_path(); |
| std::error_code ec; |
| |
| create_directories(from/"a/b/c"); |
| |
| { |
| __gnu_test::scoped_file f(to); |
| copy(from, to, ec); |
| VERIFY( ec ); |
| } |
| |
| __gnu_test::scoped_file f1(from/"a/f1"); |
| std::ofstream{f1.path} << "file one"; |
| __gnu_test::scoped_file f2(from/"a/b/f2"); |
| std::ofstream{f2.path} << "file two"; |
| |
| copy(from, to, ec); |
| VERIFY( !ec ); |
| VERIFY( exists(to) && is_empty(to) ); |
| remove(to); |
| |
| ec = bad_ec; |
| copy(from, to, fs::copy_options::recursive, ec); |
| VERIFY( !ec ); |
| VERIFY( exists(to) && !is_empty(to) ); |
| VERIFY( is_regular_file(to/"a/f1") && !is_empty(to/"a/f1") ); |
| VERIFY( file_size(from/"a/f1") == file_size(to/"a/f1") ); |
| VERIFY( is_regular_file(to/"a/b/f2") && !is_empty(to/"a/b/f2") ); |
| VERIFY( file_size(from/"a/b/f2") == file_size(to/"a/b/f2") ); |
| VERIFY( is_directory(to/"a/b/c") && is_empty(to/"a/b/c") ); |
| |
| f1.path.clear(); |
| f2.path.clear(); |
| remove_all(from, ec); |
| remove_all(to, ec); |
| } |
| |
| // Test no-op cases. |
| void |
| test05() |
| { |
| auto to = __gnu_test::nonexistent_path(); |
| std::error_code ec = std::make_error_code(std::errc::invalid_argument); |
| |
| fs::copy("/", to, fs::copy_options::copy_symlinks, ec); |
| VERIFY( !ec ); // Previous value should be cleared (LWG 2683) |
| } |
| |
| int |
| main() |
| { |
| test01(); |
| test02(); |
| test03(); |
| test04(); |
| test05(); |
| } |