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//===----------------------------------------------------------------------===//
//
// 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
// <filesystem>
// void copy_symlink(const path& existing_symlink, const path& new_symlink);
// void copy_symlink(const path& existing_symlink, const path& new_symlink,
// error_code& ec) noexcept;
#include "filesystem_include.h"
#include <type_traits>
#include <cassert>
#include "test_macros.h"
#include "rapid-cxx-test.h"
#include "filesystem_test_helper.h"
using namespace fs;
TEST_SUITE(filesystem_copy_symlink_test_suite)
TEST_CASE(test_signatures)
{
const path p; ((void)p);
std::error_code ec; ((void)ec);
ASSERT_NOT_NOEXCEPT(fs::copy_symlink(p, p));
ASSERT_NOEXCEPT(fs::copy_symlink(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::copy_symlink(f, t);
return true;
} catch (filesystem_error const& err) {
return err.path1() == f
&& err.code() == ec;
}
#else
((void)f); ((void)t); ((void)ec);
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 sym = env.create_symlink(file, "sym");
const path dir = env.create_dir("dir");
const path dne = env.make_env_path("dne");
{ // from is a file, not a symlink
std::error_code ec;
fs::copy_symlink(file, dne, ec);
TEST_REQUIRE(ec);
TEST_CHECK(checkThrow(file, dne, ec));
}
{ // from is a file, not a symlink
std::error_code ec;
fs::copy_symlink(dir, dne, ec);
TEST_REQUIRE(ec);
TEST_CHECK(checkThrow(dir, dne, ec));
}
{ // destination exists
std::error_code ec;
fs::copy_symlink(sym, file2, ec);
TEST_REQUIRE(ec);
}
}
TEST_CASE(copy_symlink_basic)
{
scoped_test_env env;
const path dir = env.create_dir("dir");
const path dir_sym = env.create_directory_symlink(dir, "dir_sym");
const path file = env.create_file("file", 42);
const path file_sym = env.create_symlink(file, "file_sym");
{ // test for directory symlinks
const path dest = env.make_env_path("dest1");
std::error_code ec;
fs::copy_symlink(dir_sym, dest, ec);
TEST_REQUIRE(!ec);
TEST_CHECK(is_symlink(dest));
TEST_CHECK(equivalent(dest, dir));
}
{ // test for file symlinks
const path dest = env.make_env_path("dest2");
std::error_code ec;
fs::copy_symlink(file_sym, dest, ec);
TEST_REQUIRE(!ec);
TEST_CHECK(is_symlink(dest));
TEST_CHECK(equivalent(dest, file));
}
}
TEST_SUITE_END()
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