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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
// <experimental/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 <experimental/filesystem>
#include <type_traits>
#include <chrono>
#include <cassert>
#include "test_macros.h"
#include "rapid-cxx-test.hpp"
#include "filesystem_test_helper.hpp"
using namespace std::experimental::filesystem;
namespace fs = std::experimental::filesystem;
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_NOEXCEPT(fs::copy_file(p, p, ec));
ASSERT_NOEXCEPT(fs::copy_file(p, p, opts, ec));
}
TEST_CASE(test_error_reporting)
{
auto checkThrow = [](path const& f, path const& t, const std::error_code& ec)
{
#ifndef TEST_HAS_NO_EXCEPTIONS
try {
fs::copy_file(f, t);
return false;
} catch (filesystem_error const& err) {
return err.path1() == f
&& err.path2() == t
&& err.code() == ec;
}
#else
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 dne = env.make_env_path("dne");
{ // exists(to) && equivalent(to, from)
std::error_code ec;
TEST_CHECK(fs::copy_file(file, file, ec) == false);
TEST_REQUIRE(ec);
TEST_CHECK(checkThrow(file, file, ec));
}
{ // exists(to) && !(skip_existing | overwrite_existing | update_existing)
std::error_code ec;
TEST_CHECK(fs::copy_file(file, file2, ec) == false);
TEST_REQUIRE(ec);
TEST_CHECK(checkThrow(file, file2, ec));
}
}
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;
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);
std::error_code ec;
TEST_REQUIRE(fs::copy_file(file, dest,
copy_options::overwrite_existing, ec) == true);
TEST_CHECK(!ec);
TEST_CHECK(file_size(dest) == 42);
}
{ // 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;
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;
TEST_REQUIRE(fs::copy_file(file, file2, copy_options::skip_existing, ec) == false);
TEST_CHECK(!ec);
TEST_CHECK(file_size(file2) == 55);
}
}
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 default_perms = st.permissions();
perms new_perms = perms::owner_read;
permissions(file, new_perms);
std::error_code ec;
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;
TEST_CHECK(fs::copy_file(file, dest, ec) == false);
TEST_CHECK(ec);
ec.clear();
TEST_CHECK(fs::copy_file(dest, file, ec) == false);
TEST_CHECK(ec);
}
TEST_SUITE_END()
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