Add a unit test checking that a full FAT16 directory leads to an error when trying to add an additional entry.
Signed-off-by: Heinrich Schuchardt heinrich.schuchardt@canonical.com --- v2: new patch --- test/py/tests/test_fs/test_mkdir.py | 17 +++++++++++++++++ 1 file changed, 17 insertions(+)
diff --git a/test/py/tests/test_fs/test_mkdir.py b/test/py/tests/test_fs/test_mkdir.py index f5cc308362..e3a9e3ed27 100644 --- a/test/py/tests/test_fs/test_mkdir.py +++ b/test/py/tests/test_fs/test_mkdir.py @@ -119,3 +119,20 @@ class TestMkdir(object): assert('0123456789abcdef00/' in output) assert('0123456789abcdef13/' in output) assert_fs_integrity(fs_ubtype, fs_img) + + def test_mkdir7(self, u_boot_console, fs_obj_mkdir): + """ Test Case 7 - max out number of root directory entries + """ + _, _, fs_type = fs_obj_mkdir + if fs_type != 'fat16': + return + with u_boot_console.log.section('Test Case 7 - mkdir (max out)'): + for i in range(0, 512): + output = u_boot_console.run_command( + f'fatmkdir host 0:0 /U-Boot-mkdir-max-out-test-directory-{i:05d}') + if 'Can't create directory entry' in output: + break + # A directory was created + assert i > 0 + # The FAT16 root directory has only 512 directory entries + assert i <= 512 / 5