From e14c571916d2f8f21c379a64750d0cd10498556b Mon Sep 17 00:00:00 2001
From: Liav A <liavalb@gmail.com>
Date: Sat, 10 Feb 2024 15:36:39 +0200
Subject: [PATCH] Tests/Kernel: Add test for /dev/loop directory structure

---
 Tests/Kernel/TestFileSystemDirentTypes.cpp | 25 ++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/Tests/Kernel/TestFileSystemDirentTypes.cpp b/Tests/Kernel/TestFileSystemDirentTypes.cpp
index 963f2bf0b3..f3bd9f0058 100644
--- a/Tests/Kernel/TestFileSystemDirentTypes.cpp
+++ b/Tests/Kernel/TestFileSystemDirentTypes.cpp
@@ -68,6 +68,31 @@ TEST_CASE(test_devpts_root_directory)
     EXPECT_EQ(_dirent->d_type, DT_DIR);
 }
 
+TEST_CASE(test_devloop_root_directory)
+{
+    auto dirfd = open("/dev/loop/", 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);