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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_empty(path const& p);
// bool is_empty(path const& p, std::error_code& ec);
#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_empty_test_suite)
TEST_CASE(signature_test)
{
const path p; ((void)p);
std::error_code ec; ((void)ec);
ASSERT_NOT_NOEXCEPT(is_empty(p, ec));
ASSERT_NOT_NOEXCEPT(is_empty(p));
}
TEST_CASE(test_exist_not_found)
{
static_test_env static_env;
const path p = static_env.DNE;
std::error_code ec;
TEST_CHECK(is_empty(p, ec) == false);
TEST_CHECK(ec);
TEST_CHECK_THROW(filesystem_error, is_empty(p));
}
TEST_CASE(test_is_empty_directory)
{
static_test_env static_env;
TEST_CHECK(!is_empty(static_env.Dir));
TEST_CHECK(!is_empty(static_env.SymlinkToDir));
}
TEST_CASE(test_is_empty_directory_dynamic)
{
scoped_test_env env;
TEST_CHECK(is_empty(env.test_root));
env.create_file("foo", 42);
TEST_CHECK(!is_empty(env.test_root));
}
TEST_CASE(test_is_empty_file)
{
static_test_env static_env;
TEST_CHECK(is_empty(static_env.EmptyFile));
TEST_CHECK(!is_empty(static_env.NonEmptyFile));
}
TEST_CASE(test_is_empty_fails)
{
scoped_test_env env;
const path dir = env.create_dir("dir");
const path dir2 = env.create_dir("dir/dir2");
permissions(dir, perms::none);
std::error_code ec;
TEST_CHECK(is_empty(dir2, ec) == false);
TEST_CHECK(ec);
TEST_CHECK_THROW(filesystem_error, is_empty(dir2));
}
TEST_CASE(test_directory_access_denied)
{
scoped_test_env env;
const path dir = env.create_dir("dir");
const path file1 = env.create_file("dir/file", 42);
permissions(dir, perms::none);
std::error_code ec = GetTestEC();
TEST_CHECK(is_empty(dir, ec) == false);
TEST_CHECK(ec);
TEST_CHECK(ec != GetTestEC());
TEST_CHECK_THROW(filesystem_error, is_empty(dir));
}
TEST_CASE(test_fifo_fails)
{
scoped_test_env env;
const path fifo = env.create_fifo("fifo");
std::error_code ec = GetTestEC();
TEST_CHECK(is_empty(fifo, ec) == false);
TEST_CHECK(ec);
TEST_CHECK(ec != GetTestEC());
TEST_CHECK_THROW(filesystem_error, is_empty(fifo));
}
TEST_SUITE_END()
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