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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>
// bool is_symlink(file_status s) noexcept
// bool is_symlink(path const& p);
// bool is_symlink(path const& p, std::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(is_symlink_test_suite)
TEST_CASE(signature_test)
{
file_status s; ((void)s);
const path p; ((void)p);
std::error_code ec; ((void)ec);
ASSERT_NOEXCEPT(is_symlink(s));
ASSERT_NOEXCEPT(is_symlink(p, ec));
ASSERT_NOT_NOEXCEPT(is_symlink(p));
}
TEST_CASE(is_symlink_status_test)
{
struct TestCase {
file_type type;
bool expect;
};
const TestCase testCases[] = {
{file_type::none, false},
{file_type::not_found, false},
{file_type::regular, false},
{file_type::directory, false},
{file_type::symlink, true},
{file_type::block, false},
{file_type::character, false},
{file_type::fifo, false},
{file_type::socket, false},
{file_type::unknown, false}
};
for (auto& TC : testCases) {
file_status s(TC.type);
TEST_CHECK(is_symlink(s) == TC.expect);
}
}
TEST_CASE(static_env_test)
{
static_test_env static_env;
struct TestCase {
path p;
bool expect;
};
const TestCase testCases[] = {
{static_env.File, false},
{static_env.Dir, false},
{static_env.SymlinkToFile, true},
{static_env.SymlinkToDir, true},
{static_env.BadSymlink, true}
};
for (auto& TC : testCases) {
TEST_CHECK(is_symlink(TC.p) == TC.expect);
}
}
TEST_CASE(test_exist_not_found)
{
static_test_env static_env;
const path p = static_env.DNE;
TEST_CHECK(is_symlink(p) == false);
std::error_code ec;
TEST_CHECK(is_symlink(p, ec) == false);
TEST_CHECK(ec);
}
TEST_CASE(test_is_symlink_fails)
{
scoped_test_env env;
#ifdef _WIN32
// Windows doesn't support setting perms::none to trigger failures
// reading directories; test using a special inaccessible directory
// instead.
const path p = GetWindowsInaccessibleDir();
if (p.empty())
TEST_UNSUPPORTED();
#else
const path dir = env.create_dir("dir");
const path p = env.create_file("dir/file", 42);
permissions(dir, perms::none);
#endif
std::error_code ec;
TEST_CHECK(is_symlink(p, ec) == false);
TEST_CHECK(ec);
TEST_CHECK_THROW(filesystem_error, is_symlink(p));
}
TEST_SUITE_END()
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