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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++98, c++03
// <filesystem>
// bool copy_file(const path& from, const path& to);
// bool copy_file(const path& from, const path& to, error_code& ec) noexcept;
// bool copy_file(const path& from, const path& to, copy_options options);
// bool copy_file(const path& from, const path& to, copy_options options,
// error_code& ec) noexcept;
#include "filesystem_include.hpp"
#include <type_traits>
#include <chrono>
#include <cassert>
#include "test_macros.h"
#include "rapid-cxx-test.hpp"
#include "filesystem_test_helper.hpp"
#include <iostream>
using namespace fs;
using CO = fs::copy_options;
TEST_SUITE(filesystem_copy_file_test_suite)
TEST_CASE(test_signatures) {
const path p;
((void)p);
const copy_options opts{};
((void)opts);
std::error_code ec;
((void)ec);
ASSERT_SAME_TYPE(decltype(fs::copy_file(p, p)), bool);
ASSERT_SAME_TYPE(decltype(fs::copy_file(p, p, opts)), bool);
ASSERT_SAME_TYPE(decltype(fs::copy_file(p, p, ec)), bool);
ASSERT_SAME_TYPE(decltype(fs::copy_file(p, p, opts, ec)), bool);
ASSERT_NOT_NOEXCEPT(fs::copy_file(p, p));
ASSERT_NOT_NOEXCEPT(fs::copy_file(p, p, opts));
ASSERT_NOT_NOEXCEPT(fs::copy_file(p, p, ec));
ASSERT_NOT_NOEXCEPT(fs::copy_file(p, p, opts, ec));
}
TEST_CASE(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 non_regular_file = env.create_fifo("non_reg");
const path dne = env.make_env_path("dne");
{ // exists(to) && equivalent(to, from)
std::error_code ec;
TEST_CHECK(fs::copy_file(file, file, copy_options::overwrite_existing,
ec) == false);
TEST_CHECK(ErrorIs(ec, std::errc::file_exists));
ExceptionChecker Checker(file, file, std::errc::file_exists, "copy_file");
TEST_CHECK_THROW_RESULT(filesystem_error, Checker, copy_file(file, file, copy_options::overwrite_existing));
}
{ // exists(to) && !(skip_existing | overwrite_existing | update_existing)
std::error_code ec;
TEST_CHECK(fs::copy_file(file, file2, ec) == false);
TEST_CHECK(ErrorIs(ec, std::errc::file_exists));
ExceptionChecker Checker(file, file, std::errc::file_exists, "copy_file");
TEST_CHECK_THROW_RESULT(filesystem_error, Checker, copy_file(file, file, copy_options::overwrite_existing));
}
}
TEST_CASE(non_regular_file_test) {
scoped_test_env env;
const path fifo = env.create_fifo("fifo");
const path dest = env.make_env_path("dest");
const path file = env.create_file("file", 42);
{
std::error_code ec = GetTestEC();
TEST_REQUIRE(fs::copy_file(fifo, dest, ec) == false);
TEST_CHECK(ErrorIs(ec, std::errc::not_supported));
TEST_CHECK(!exists(dest));
}
{
std::error_code ec = GetTestEC();
TEST_REQUIRE(fs::copy_file(file, fifo, copy_options::overwrite_existing,
ec) == false);
TEST_CHECK(ErrorIs(ec, std::errc::not_supported));
TEST_CHECK(is_fifo(fifo));
}
}
TEST_CASE(test_attributes_get_copied) {
scoped_test_env env;
const path file = env.create_file("file1", 42);
const path dest = env.make_env_path("file2");
auto st = status(file);
perms new_perms = perms::owner_read;
permissions(file, new_perms);
std::error_code ec = GetTestEC();
TEST_REQUIRE(fs::copy_file(file, dest, ec) == true);
TEST_CHECK(!ec);
auto new_st = status(dest);
TEST_CHECK(new_st.permissions() == new_perms);
}
TEST_CASE(copy_dir_test) {
scoped_test_env env;
const path file = env.create_file("file1", 42);
const path dest = env.create_dir("dir1");
std::error_code ec = GetTestEC();
TEST_CHECK(fs::copy_file(file, dest, ec) == false);
TEST_CHECK(ec);
TEST_CHECK(ec != GetTestEC());
ec = GetTestEC();
TEST_CHECK(fs::copy_file(dest, file, ec) == false);
TEST_CHECK(ec);
TEST_CHECK(ec != GetTestEC());
}
TEST_CASE(copy_file) {
scoped_test_env env;
const path file = env.create_file("file1", 42);
{ // !exists(to)
const path dest = env.make_env_path("dest1");
std::error_code ec = GetTestEC();
TEST_REQUIRE(fs::copy_file(file, dest, ec) == true);
TEST_CHECK(!ec);
TEST_CHECK(file_size(dest) == 42);
}
{ // exists(to) && overwrite_existing
const path dest = env.create_file("dest2", 55);
permissions(dest, perms::all);
permissions(file,
perms::group_write | perms::owner_write | perms::others_write,
perm_options::remove);
std::error_code ec = GetTestEC();
TEST_REQUIRE(fs::copy_file(file, dest, copy_options::overwrite_existing,
ec) == true);
TEST_CHECK(!ec);
TEST_CHECK(file_size(dest) == 42);
TEST_CHECK(status(dest).permissions() == status(file).permissions());
}
{ // exists(to) && update_existing
using Sec = std::chrono::seconds;
const path older = env.create_file("older_file", 1);
SleepFor(Sec(2));
const path from = env.create_file("update_from", 55);
SleepFor(Sec(2));
const path newer = env.create_file("newer_file", 2);
std::error_code ec = GetTestEC();
TEST_REQUIRE(
fs::copy_file(from, older, copy_options::update_existing, ec) == true);
TEST_CHECK(!ec);
TEST_CHECK(file_size(older) == 55);
TEST_REQUIRE(
fs::copy_file(from, newer, copy_options::update_existing, ec) == false);
TEST_CHECK(!ec);
TEST_CHECK(file_size(newer) == 2);
}
{ // skip_existing
const path file2 = env.create_file("file2", 55);
std::error_code ec = GetTestEC();
TEST_REQUIRE(fs::copy_file(file, file2, copy_options::skip_existing, ec) ==
false);
TEST_CHECK(!ec);
TEST_CHECK(file_size(file2) == 55);
}
}
TEST_SUITE_END()
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