| //===----------------------------------------------------------------------===// |
| // |
| // 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: availability-filesystem-missing |
| // UNSUPPORTED: no-filesystem |
| // ADDITIONAL_COMPILE_FLAGS: -I %{libcxx-dir}/src |
| |
| // This test relies on calling functions from the libcxx internal headers |
| // of <filesystem>; the Windows implementation uses different |
| // internals and doesn't provide the same set_file_times function as for |
| // other platforms. |
| // UNSUPPORTED: windows |
| |
| // This test assumes that time is stored as a 64 bit value when on MVS it is stored as 32 bit |
| // XFAIL: target={{.+}}-zos{{.*}} |
| |
| // <filesystem> |
| |
| // class directory_entry |
| |
| #include <filesystem> |
| #include <type_traits> |
| #include <cassert> |
| |
| #include "assert_macros.h" |
| #include "test_macros.h" |
| #include "filesystem_test_helper.h" |
| |
| #include "filesystem/time_utils.h" |
| |
| namespace fs = std::filesystem; |
| using namespace fs::detail; |
| |
| static void last_write_time_not_representable_error() { |
| using namespace fs; |
| using namespace std::chrono; |
| scoped_test_env env; |
| const path dir = env.create_dir("dir"); |
| const path file = env.create_file("dir/file", 42); |
| |
| TimeSpec ToTime; |
| ToTime.tv_sec = std::numeric_limits<decltype(ToTime.tv_sec)>::max(); |
| ToTime.tv_nsec = duration_cast<nanoseconds>(seconds(1)).count() - 1; |
| |
| std::array<TimeSpec, 2> TS = {ToTime, ToTime}; |
| |
| file_time_type old_time = last_write_time(file); |
| directory_entry ent(file); |
| |
| file_time_type start_time = file_time_type::clock::now() - hours(1); |
| last_write_time(file, start_time); |
| |
| assert(ent.last_write_time() == old_time); |
| |
| bool IsRepresentable = true; |
| file_time_type rep_value; |
| { |
| std::error_code ec; |
| assert(!set_file_times(file, TS, ec)); |
| ec.clear(); |
| rep_value = last_write_time(file, ec); |
| IsRepresentable = !bool(ec); |
| } |
| |
| if (!IsRepresentable) { |
| std::error_code rec = GetTestEC(); |
| ent.refresh(rec); |
| assert(!rec); |
| |
| const std::errc expected_err = std::errc::value_too_large; |
| |
| std::error_code ec = GetTestEC(); |
| assert(ent.last_write_time(ec) == file_time_type::min()); |
| assert(ErrorIs(ec, expected_err)); |
| |
| ec = GetTestEC(); |
| assert(last_write_time(file, ec) == file_time_type::min()); |
| assert(ErrorIs(ec, expected_err)); |
| |
| ExceptionChecker CheckExcept(file, expected_err, |
| "directory_entry::last_write_time"); |
| TEST_VALIDATE_EXCEPTION(filesystem_error, CheckExcept, |
| ent.last_write_time()); |
| |
| } else { |
| ent.refresh(); |
| |
| std::error_code ec = GetTestEC(); |
| assert(ent.last_write_time(ec) == rep_value); |
| assert(!ec); |
| } |
| } |
| |
| int main(int, char**) { |
| last_write_time_not_representable_error(); |
| |
| return 0; |
| } |