1 files changed, 46 insertions, 0 deletions
diff --git a/kernel/src/filesystem/vfs.tests.cpp b/kernel/src/filesystem/vfs.tests.cpp
index 979ea42..109ee89 100644
--- a/kernel/src/filesystem/vfs.tests.cpp
+++ b/kernel/src/filesystem/vfs.tests.cpp
@@ -168,6 +168,52 @@ SCENARIO_METHOD(kernel::tests::filesystem::storage_boot_module_vfs_fixture, "VFS
       REQUIRE(vfs.unmount("/information/nonexistent") ==
               kernel::filesystem::vfs::operation_result::mount_point_not_found);
     }
+
+    THEN("a file can be access if . in the path")
+    {
+      auto info_1 = vfs.open("/information/./info_1.txt");
+      REQUIRE(info_1 != nullptr);
+    }
+
+    THEN("a file can be accessed within the same mount if path contains .. ")
+    {
+      auto info_1 = vfs.open("/archiv/../information/info_1.txt");
+      REQUIRE(info_1 != nullptr);
+
+      auto img = vfs.open("/archiv/../information/../archiv/2024.img");
+      REQUIRE(img != nullptr);
+    }
+
+    THEN("a file can be accessed over multiple mounts if path contains .. or . ")
+    {
+      REQUIRE(vfs.do_mount("/dev/ram16", "/information") == kernel::filesystem::vfs::operation_result::success);
+
+      auto img = vfs.open("/information/monkey_house/caretaker/../../../archiv/2024.img");
+      REQUIRE(img != nullptr);
+
+      auto dev_32 = vfs.open("/information/monkey_house/caretaker/../../../dev/ram32");
+      REQUIRE(dev_32 != nullptr);
+
+      auto water = vfs.open("/information/./monkey_house/infrastructure/water.txt");
+      REQUIRE(water != nullptr);
+    }
+
+    THEN("a file can be accessed over multiple mounts (device and file) if path contains .. ")
+    {
+      REQUIRE(vfs.do_mount("/dev/ram16", "/information") == kernel::filesystem::vfs::operation_result::success);
+      REQUIRE(vfs.do_mount("/archiv/2024.img", "/information/monkey_house/infrastructure") ==
+              kernel::filesystem::vfs::operation_result::success);
+
+      auto pig_1 = vfs.open("/information/monkey_house/infrastructure/stable/pig_1.txt");
+      REQUIRE(pig_1 != nullptr);
+
+      auto isabelle =
+          vfs.open("/information/monkey_house/infrastructure/stable/../../../monkey_house/caretaker/isabelle.txt");
+      REQUIRE(isabelle != nullptr);
+
+      auto closed = vfs.open("/information/monkey_house/infrastructure/stable/../../../../closed.txt");
+      REQUIRE(closed != nullptr);
+    }
   }
 
   GIVEN("A real image file containing as filesystem formatted files")