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Tests/Kernel: Add test cases for proper types in dirent for various FSes

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Liav A 2024-01-05 11:21:33 +02:00 committed by Andrew Kaster
parent a10e63f08e
commit 90152dc859
Notes: sideshowbarker 2024-07-17 00:16:31 +09:00 
Author: https://github.com/supercomputer7
Commit: https://github.com/SerenityOS/serenity/commit/90152dc859
Pull-request: https://github.com/SerenityOS/serenity/pull/22598
Reviewed-by: https://github.com/ADKaster ✅
2 changed files with 100 additions and 0 deletions
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1
Tests/Kernel/CMakeLists.txt
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@ -41,6 +41,7 @@ set(LIBTEST_BASED_SOURCES
TestEmptyPrivateInodeVMObject.cpp
TestEmptySharedInodeVMObject.cpp
TestExt2FS.cpp
TestFileSystemDirentTypes.cpp
TestInvalidUIDSet.cpp
TestSharedInodeVMObject.cpp
TestPosixFallocate.cpp

99
Tests/Kernel/TestFileSystemDirentTypes.cpp Normal file
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@ -0,0 +1,99 @@
/*
* 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);
}