ladybird/Tests/Kernel/TestFileSystemDirentTypes.cpp

100 lines
2.3 KiB
C++

/*
* Copyright (c) 2024, Liav A. <liavalb@hotmail.co.il>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <Kernel/API/POSIX/dirent.h>
#include <LibTest/TestCase.h>
#include <dirent.h>
#include <fcntl.h>
#include <unistd.h>
TEST_CASE(test_sysfs_root_directory)
{
auto dirfd = open("/sys/", O_RDONLY | O_DIRECTORY);
auto cleanup_guard = ScopeGuard([&] {
close(dirfd);
});
DIR* dir = fdopendir(dirfd);
EXPECT(dir != nullptr);
auto cleanup_dir_guard = ScopeGuard([&] {
closedir(dir);
});
auto* _dirent = readdir(dir);
EXPECT(_dirent != nullptr);
// NOTE: We should see '.'
EXPECT_EQ(_dirent->d_type, DT_DIR);
_dirent = readdir(dir);
EXPECT(_dirent != nullptr);
// NOTE: We should see '..'
EXPECT_EQ(_dirent->d_type, DT_DIR);
while (true) {
_dirent = readdir(dir);
if (_dirent == nullptr)
break;
// NOTE: We should only see a directory entry in the /sys directory
EXPECT_EQ(_dirent->d_type, DT_DIR);
}
}
TEST_CASE(test_devpts_root_directory)
{
auto dirfd = open("/dev/pts/", O_RDONLY | O_DIRECTORY);
auto cleanup_guard = ScopeGuard([&] {
close(dirfd);
});
DIR* dir = fdopendir(dirfd);
EXPECT(dir != nullptr);
auto cleanup_dir_guard = ScopeGuard([&] {
closedir(dir);
});
auto* _dirent = readdir(dir);
EXPECT(_dirent != nullptr);
// NOTE: We should see '.'
EXPECT_EQ(_dirent->d_type, DT_DIR);
_dirent = readdir(dir);
EXPECT(_dirent != nullptr);
// NOTE: We should see '..'
EXPECT_EQ(_dirent->d_type, DT_DIR);
}
TEST_CASE(test_procfs_root_directory)
{
auto dirfd = open("/proc/", O_RDONLY | O_DIRECTORY);
auto cleanup_guard = ScopeGuard([&] {
close(dirfd);
});
DIR* dir = fdopendir(dirfd);
EXPECT(dir != nullptr);
auto cleanup_dir_guard = ScopeGuard([&] {
closedir(dir);
});
auto* _dirent = readdir(dir);
EXPECT(_dirent != nullptr);
// NOTE: We should see '.' now
EXPECT_EQ(_dirent->d_type, DT_DIR);
_dirent = readdir(dir);
EXPECT(_dirent != nullptr);
// NOTE: We should see '..' now
EXPECT_EQ(_dirent->d_type, DT_DIR);
_dirent = readdir(dir);
EXPECT(_dirent != nullptr);
// NOTE: We should see 'self' now
EXPECT_EQ(_dirent->d_type, DT_LNK);
}