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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>
// void rename(const path& old_p, const path& new_p);
// void rename(const path& old_p, const path& new_p, error_code& ec) noexcept;
#include "filesystem_include.hpp"
#include "test_macros.h"
#include "rapid-cxx-test.hpp"
#include "filesystem_test_helper.hpp"
using namespace fs;
TEST_SUITE(filesystem_rename_test_suite)
TEST_CASE(test_signatures)
{
const path p; ((void)p);
std::error_code ec; ((void)ec);
ASSERT_SAME_TYPE(decltype(fs::rename(p, p)), void);
ASSERT_SAME_TYPE(decltype(fs::rename(p, p, ec)), void);
ASSERT_NOT_NOEXCEPT(fs::rename(p, p));
ASSERT_NOEXCEPT(fs::rename(p, p, 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::rename(f, t);
return false;
} catch (filesystem_error const& err) {
return err.path1() == f
&& err.path2() == t
&& err.code() == ec;
}
#else
((void)f); ((void)t); ((void)ec);
return true;
#endif
};
scoped_test_env env;
const path dne = env.make_env_path("dne");
const path file = env.create_file("file1", 42);
const path dir = env.create_dir("dir1");
struct TestCase {
path from;
path to;
} cases[] = {
{dne, dne},
{file, dir},
{dir, file}
};
for (auto& TC : cases) {
auto from_before = status(TC.from);
auto to_before = status(TC.to);
std::error_code ec;
rename(TC.from, TC.to, ec);
TEST_REQUIRE(ec);
TEST_CHECK(from_before.type() == status(TC.from).type());
TEST_CHECK(to_before.type() == status(TC.to).type());
TEST_CHECK(checkThrow(TC.from, TC.to, ec));
}
}
TEST_CASE(basic_rename_test)
{
scoped_test_env env;
const std::error_code set_ec = std::make_error_code(std::errc::address_in_use);
const path file = env.create_file("file1", 42);
{ // same file
std::error_code ec = set_ec;
rename(file, file, ec);
TEST_CHECK(!ec);
TEST_CHECK(is_regular_file(file));
TEST_CHECK(file_size(file) == 42);
}
const path sym = env.create_symlink(file, "sym");
{ // file -> symlink
std::error_code ec = set_ec;
rename(file, sym, ec);
TEST_CHECK(!ec);
TEST_CHECK(!exists(file));
TEST_CHECK(is_regular_file(symlink_status(sym)));
TEST_CHECK(file_size(sym) == 42);
}
const path file2 = env.create_file("file2", 42);
const path file3 = env.create_file("file3", 100);
{ // file -> file
std::error_code ec = set_ec;
rename(file2, file3, ec);
TEST_CHECK(!ec);
TEST_CHECK(!exists(file2));
TEST_CHECK(is_regular_file(file3));
TEST_CHECK(file_size(file3) == 42);
}
const path dne = env.make_env_path("dne");
const path bad_sym = env.create_symlink(dne, "bad_sym");
const path bad_sym_dest = env.make_env_path("bad_sym2");
{ // bad-symlink
std::error_code ec = set_ec;
rename(bad_sym, bad_sym_dest, ec);
TEST_CHECK(!ec);
TEST_CHECK(!exists(symlink_status(bad_sym)));
TEST_CHECK(is_symlink(bad_sym_dest));
TEST_CHECK(read_symlink(bad_sym_dest) == dne);
}
}
TEST_SUITE_END()
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