extend tests with another filesystem

1 files changed, 25 insertions, 3 deletions

diff --git a/kernel/src/main.cpp b/kernel/src/main.cpp
index 1d73e20..79ed703 100644
--- a/kernel/src/main.cpp
+++ b/kernel/src/main.cpp
@@ -139,15 +139,37 @@ auto test_file_lookup() -> void
       "limits_for_testing_purposes_and_we_add_more_characters_to_make_it_even_longer_30.txt");
 
   auto storage_mgmt = kernel::devices::storage::management::get();
-  auto device = storage_mgmt.device_by_major_minor(1, 16);
-  auto new_filesystem = kernel::filesystem::filesystem::probe_and_mount(device);
+  auto device_1 = storage_mgmt.device_by_major_minor(1, 16);
+  auto fs_1 = kernel::filesystem::filesystem::probe_and_mount(device_1);
 
-  vfs.do_mount("/enclosures/aquarium", new_filesystem);
+  vfs.do_mount("/enclosures/aquarium", fs_1);
   read_and_write_file("/enclosures/aquarium/closed.txt");
   read_and_write_file("/enclosures/aquarium/information/info_2.txt");
 
   vfs.unmount("/enclosures/aquarium");
   read_and_write_file("/enclosures/aquarium/tank_1/fish_4.txt");
+
+  auto device_2 = storage_mgmt.device_by_major_minor(1, 32);
+  auto fs_2 = kernel::filesystem::filesystem::probe_and_mount(device_2);
+
+  vfs.do_mount("/enclosures/elephant_house", fs_2);
+  read_and_write_file("/enclosures/elephant_house/monkey_house/infrastructure/info.txt");
+
+  vfs.do_mount("/enclosures/elephant_house/monkey_house", fs_1);
+  read_and_write_file("/enclosures/elephant_house/monkey_house/information/info_2.txt");
+
+  auto result = vfs.unmount("/enclosures/elephant_house");
+  if (result == kernel::filesystem::vfs::operation_result::unmount_failed)
+  {
+    kstd::println("[TEST] Unmount failed as expected due to active child mount.");
+  }
+
+  vfs.unmount("/enclosures/elephant_house/monkey_house");
+  result = vfs.unmount("/enclosures/elephant_house");
+  if (result == kernel::filesystem::vfs::operation_result::success)
+  {
+    kstd::println("[TEST] Unmount succeeded after unmounting child mount.");
+  }
 }
 
 auto run_test_code() -> void