def test_simple_fat16(self) -> None:
fatfs = fatfsgen.FATFS(size=17 * 1024 * 1024)
fatfs.create_directory('TESTFOLD')
fatfs.write_filesystem(CFG['output_file'])
file_system = read_filesystem(CFG['output_file'])
self.assertEqual(file_system[0x1000:0x1007],
b'\xf8\xff\xff\xff\xff\xff\x00')
def test_same_name_deep_structure(self) -> None:
fatfs = fatfsgen.FATFS()
fatfs.create_directory('TESTFOLD')
fatfs.create_directory('TESTFOLD', path_from_root=['TESTFOLD'])
fatfs.create_directory('TESTFOLD',
path_from_root=['TESTFOLD', 'TESTFOLD'])
fatfs.create_file('WRITEF',
extension='TXT',
path_from_root=['TESTFOLD', 'TESTFOLD', 'TESTFOLD'])
fatfs.write_content(
path_from_root=['TESTFOLD', 'TESTFOLD', 'TESTFOLD', 'WRITEF.TXT'],
content=b'later')
fatfs.write_filesystem(CFG['output_file'])
file_system = read_filesystem(CFG['output_file'])
self.assertEqual(file_system[0x2000:0x2010],
b'TESTFOLD \x10\x00\x00\x00\x00')
self.assertEqual(
file_system[0x2010:0x2020],
b'!\x00\x00\x00\x00\x00\x00\x00\x21\x00\x02\x00\x00\x00\x00\x00')
self.assertEqual(file_system[0x6040:0x6050],
b'TESTFOLD \x10\x00\x00\x00\x00')
self.assertEqual(file_system[0x6040:0x6050],
b'TESTFOLD \x10\x00\x00\x00\x00')
self.assertEqual(file_system[0x7040:0x7050],
b'TESTFOLD \x10\x00\x00\x00\x00')
self.assertEqual(file_system[0x8040:0x8050],
b'WRITEF TXT \x00\x00\x00\x00')
self.assertEqual(file_system[0x9000:0x9010],
b'later\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
def test_empty_lfn_short_name(self) -> None:
fatfs = fatfsgen.FATFS(long_names_enabled=True)
fatfs.create_file('HELLO', extension='TXT')
fatfs.write_filesystem(CFG['output_file'])
file_system = read_filesystem(CFG['output_file'])
self.assertEqual(
file_system[0x2000:0x2019],
b'HELLO TXT \x00\x00\x00\x00!\x00\x00\x00\x00\x00\x00\x00!')
def test_empty_file_with_extension_sn_fat12(self) -> None:
fatfs = fatfsgen.FATFS()
fatfs.create_file('TESTF', extension='TXT')
fatfs.write_filesystem(CFG['output_file'])
file_system = read_filesystem(CFG['output_file'])
self.assertEqual(file_system[0x2000:0x200c],
b'TESTF TXT\x20') # check entry name and type
self.assertEqual(file_system[0x1000:0x1006],
b'\xf8\xff\xff\xff\x0f\x00') # check fat
def __init__(self,
binary_image_path: Optional[str] = None,
size: int = 1024 * 1024,
reserved_sectors_cnt: int = 1,
fat_tables_cnt: int = 1,
sectors_per_cluster: int = 1,
sector_size: int = 0x1000,
sectors_per_fat: int = 1,
hidden_sectors: int = 0,
long_names_enabled: bool = False,
entry_size: int = 32,
num_heads: int = 0xff,
oem_name: str = 'MSDOS5.0',
sec_per_track: int = 0x3f,
volume_label: str = 'Espressif',
file_sys_type: str = 'FAT',
root_entry_count: int = 512,
explicit_fat_type: int = None,
media_type: int = 0xf8) -> None:
assert (root_entry_count * BYTES_PER_DIRECTORY_ENTRY) % sector_size == 0
assert ((root_entry_count * BYTES_PER_DIRECTORY_ENTRY) // sector_size) % 2 == 0
root_dir_sectors_cnt = (root_entry_count * BYTES_PER_DIRECTORY_ENTRY) // sector_size
self.state = FATFSState(entry_size=entry_size,
sector_size=sector_size,
explicit_fat_type=explicit_fat_type,
reserved_sectors_cnt=reserved_sectors_cnt,
root_dir_sectors_cnt=root_dir_sectors_cnt,
size=size,
file_sys_type=file_sys_type,
num_heads=num_heads,
fat_tables_cnt=fat_tables_cnt,
sectors_per_fat=sectors_per_fat,
sectors_per_cluster=sectors_per_cluster,
media_type=media_type,
hidden_sectors=hidden_sectors,
sec_per_track=sec_per_track,
long_names_enabled=long_names_enabled,
volume_label=volume_label,
oem_name=oem_name)
binary_image = bytearray(
read_filesystem(binary_image_path) if binary_image_path else self.create_empty_fatfs())
self.state.binary_image = binary_image
self.fat = FAT(fatfs_state=self.state,
reserved_sectors_cnt=self.state.reserved_sectors_cnt)
self.root_directory = Directory(name='A', # the name is not important, must be string
size=self.state.root_dir_sectors_cnt * self.state.sector_size,
fat=self.fat,
cluster=self.fat.clusters[1],
fatfs_state=self.state)
self.root_directory.init_directory()
def test_full_sector_file(self) -> None:
fatfs = fatfsgen.FATFS()
fatfs.create_file('WRITEF', extension='TXT')
fatfs.write_content(path_from_root=['WRITEF.TXT'],
content=CFG['sector_size'] * b'a')
fatfs.write_filesystem(CFG['output_file'])
file_system = read_filesystem(CFG['output_file'])
self.assertEqual(
file_system[0x1000:0x100e],
b'\xf8\xff\xff\xff\x0f\x00\x00\x00\x00\x00\x00\x00\x00\x00')
self.assertEqual(file_system[0x6000:0x7000], CFG['sector_size'] * b'a')
def test_chaining_fat16(self) -> None:
fatfs = fatfsgen.FATFS(size=17 * 1024 * 1024)
fatfs.create_file('WRITEF', extension='TXT')
fatfs.write_content(path_from_root=['WRITEF.TXT'],
content=CFG['sector_size'] * b'a' + b'a')
fatfs.write_filesystem(CFG['output_file'])
file_system = read_filesystem(CFG['output_file'])
self.assertEqual(
file_system[0x1000:0x100e],
b'\xf8\xff\xff\xff\x03\x00\xff\xff\x00\x00\x00\x00\x00\x00')
self.assertEqual(file_system[0x7000:0x8000],
b'a' + (CFG['sector_size'] - 1) * b'\x00')
def test_lfn_short_name(self) -> None:
fatfs = fatfsgen.FATFS(long_names_enabled=True)
fatfs.create_file('HELLO', extension='TXT')
fatfs.write_content(path_from_root=['HELLO.TXT'],
content=b'this is a test')
fatfs.write_filesystem(CFG['output_file'])
file_system = read_filesystem(CFG['output_file'])
self.assertEqual(file_system[0x2000:0x2010],
b'HELLO TXT \x00\x00\x00\x00')
self.assertEqual(
file_system[0x2010:0x2020],
b'!\x00\x00\x00\x00\x00\x00\x00!\x00\x02\x00\x0e\x00\x00\x00')
self.assertEqual(file_system[0x6000:0x6010], b'this is a test\x00\x00')
def test_directory_sn_fat12(self) -> None:
fatfs = fatfsgen.FATFS()
fatfs.create_directory('TESTFOLD')
fatfs.write_filesystem(CFG['output_file'])
file_system = read_filesystem(CFG['output_file'])
self.assertEqual(file_system[0x2000:0x200c],
b'TESTFOLD \x10') # check entry name and type
self.assertEqual(file_system[0x1000:0x1006],
b'\xf8\xff\xff\xff\x0f\x00') # check fat
self.assertEqual(file_system[0x6000:0x600c],
b'. \x10') # reference to itself
self.assertEqual(file_system[0x6020:0x602c],
b'.. \x10') # reference to parent
def test_cluster_setting_values(self) -> None:
fatfs = fatfsgen.FATFS()
fatfs.create_file('TESTFIL1')
fatfs.create_file('TESTFIL2')
fatfs.create_file('TESTFIL3')
fatfs.create_file('TESTFIL4')
fatfs.create_file('TESTFIL5')
fatfs.fat.clusters[2].set_in_fat(1000)
fatfs.fat.clusters[3].set_in_fat(4)
fatfs.fat.clusters[4].set_in_fat(5)
fatfs.write_filesystem(CFG['output_file'])
file_system = read_filesystem(CFG['output_file'])
self.assertEqual(
file_system[0x1000:0x1010],
b'\xf8\xff\xff\xe8\x43\x00\x05\xf0\xff\xff\x0f\x00\x00\x00\x00\x00'
)
def test_write_to_file_with_extension_sn_fat12(self) -> None:
fatfs = fatfsgen.FATFS()
fatfs.create_file('WRITEF', extension='TXT')
fatfs.write_content(path_from_root=['WRITEF.TXT'],
content=b'testcontent')
fatfs.write_filesystem(CFG['output_file'])
file_system = read_filesystem(CFG['output_file'])
self.assertEqual(file_system[0x2000:0x200c],
b'WRITEF TXT\x20') # check entry name and type
self.assertEqual(
file_system[0x201a:0x2020],
b'\x02\x00\x0b\x00\x00\x00') # check size and cluster ref
self.assertEqual(file_system[0x1000:0x1006],
b'\xf8\xff\xff\xff\x0f\x00') # check fat
self.assertEqual(file_system[0x6000:0x600f],
b'testcontent\x00\x00\x00\x00') # check file content
def test_deep_structure(self) -> None:
fatfs = fatfsgen.FATFS()
fatfs.create_directory('TESTFOLD')
fatfs.create_directory('TESTFOLL', path_from_root=['TESTFOLD'])
fatfs.create_directory('TESTFOLO',
path_from_root=['TESTFOLD', 'TESTFOLL'])
fatfs.create_file('WRITEF',
extension='TXT',
path_from_root=['TESTFOLD', 'TESTFOLL', 'TESTFOLO'])
fatfs.write_content(
path_from_root=['TESTFOLD', 'TESTFOLL', 'TESTFOLO', 'WRITEF.TXT'],
content=b'later')
fatfs.write_filesystem(CFG['output_file'])
file_system = read_filesystem(CFG['output_file'])
self.assertEqual(file_system[0x9000:0x9010],
b'later\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
def test_full_two_sectors_folder(self) -> None:
fatfs = fatfsgen.FATFS(size=2 * 1024 * 1024)
fatfs.create_directory('TESTFOLD')
for i in range(2 * CFG['sector_size'] // CFG['entry_size']):
fatfs.create_file(f'A{str(i).upper()}',
path_from_root=['TESTFOLD'])
fatfs.write_content(path_from_root=['TESTFOLD', 'A253'],
content=b'later')
fatfs.write_content(path_from_root=['TESTFOLD', 'A255'],
content=b'last')
fatfs.write_filesystem(CFG['output_file'])
file_system = read_filesystem(CFG['output_file'])
self.assertEqual(file_system[0x105000:0x105010],
b'later\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
self.assertEqual(
file_system[0x108000:0x108010],
b'last\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
def test_lfn_empty_name(self) -> None:
fatfs = fatfsgen.FATFS(long_names_enabled=True)
fatfs.create_file('HELLOHELLOHELLO', extension='TXT')
fatfs.write_filesystem(CFG['output_file'])
file_system = read_filesystem(CFG['output_file'])
self.assertEqual(file_system[0x2000:0x2010],
b'Bl\x00o\x00.\x00t\x00x\x00\x0f\x00\xb3t\x00')
self.assertEqual(
file_system[0x2012:0x2020],
b'\xff\xff\xff\xff\xff\xff\xff\xff\x00\x00\xff\xff\xff\xff')
self.assertEqual(file_system[0x2020:0x2030],
b'\x01h\x00e\x00l\x00l\x00o\x00\x0f\x00\xb3h\x00')
self.assertEqual(file_system[0x2030:0x2040],
b'e\x00l\x00l\x00o\x00h\x00\x00\x00e\x00l\x00')
self.assertEqual(file_system[0x2040:0x2050],
b'HELLOH~1TXT \x00\x00\x00\x00')
self.assertEqual(
file_system[0x2050:0x2060],
b'!\x00\x00\x00\x00\x00\x00\x00!\x00\x02\x00\x00\x00\x00\x00')
def test_e2e_deep_folder_into_image(self) -> None:
fatfs = fatfsgen.FATFS()
fatfs.generate(CFG['test_dir'])
fatfs.write_filesystem(CFG['output_file'])
file_system = read_filesystem(CFG['output_file'])
self.assertEqual(file_system[0x6060:0x6070],
b'TESTFIL2 \x00\x00\x00\x00')
self.assertEqual(
file_system[0x6070:0x6080],
b'!\x00\x00\x00\x00\x00\x00\x00\x21\x00\x05\x00\x0b\x00\x00\x00')
self.assertEqual(file_system[0x7040:0x7050],
b'LASTFILE \x00\x00\x00\x00')
self.assertEqual(file_system[0x8000:0x8010],
b'deeptest\n\x00\x00\x00\x00\x00\x00\x00')
self.assertEqual(file_system[0x9000:0x9010],
b'thisistest\n\x00\x00\x00\x00\x00')
self.assertEqual(
file_system[0xa000:0xa010],
b'ahoj\n\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
def test_full_sector_folder_fat16(self) -> None:
fatfs = fatfsgen.FATFS(size=17 * 1024 * 1024)
fatfs.create_directory('TESTFOLD')
fill_sector(fatfs)
fatfs.write_content(path_from_root=['TESTFOLD', 'A0'],
content=b'first')
fatfs.write_content(path_from_root=['TESTFOLD', 'A126'],
content=b'later')
fatfs.write_filesystem(CFG['output_file'])
file_system = read_filesystem(CFG['output_file'])
self.assertEqual(
file_system[0x1000:0x1110],
b'\xf8\xff\xff\xff\x82\x00' + 258 * b'\xff' + 8 * b'\x00')
self.assertEqual(file_system[0x85000:0x85005], b'later')
self.assertEqual(file_system[0x86000:0x86010],
b'A126 \x00\x00\x00\x00')
self.assertEqual(file_system[0x86020:0x86030],
b'A127 \x00\x00\x00\x00')
def test_lfn_nested_text(self) -> None:
fatfs: fatfsgen.FATFS = fatfsgen.FATFS(long_names_enabled=True)
fatfs.create_directory('VERYLONGTESTFOLD')
fatfs.create_file('HELLO',
extension='TXT',
path_from_root=['VERYLONGTESTFOLD'])
fatfs.write_content(path_from_root=['VERYLONGTESTFOLD', 'HELLO.TXT'],
content=b'this is a test')
fatfs.write_filesystem(CFG['output_file'])
file_system = read_filesystem(CFG['output_file'])
self.assertEqual(
file_system[0x2000:0x2010],
b'Bo\x00l\x00d\x00\x00\x00\xff\xff\x0f\x00\xa6\xff\xff')
self.assertEqual(
file_system[0x2012:0x2020],
b'\xff\xff\xff\xff\xff\xff\xff\xff\x00\x00\xff\xff\xff\xff')
self.assertEqual(file_system[0x2020:0x2030],
b'\x01v\x00e\x00r\x00y\x00l\x00\x0f\x00\xa6o\x00')
self.assertEqual(file_system[0x2030:0x2040],
b'n\x00g\x00t\x00e\x00s\x00\x00\x00t\x00f\x00')
self.assertEqual(file_system[0x2040:0x2050],
b'VERYLO~1 \x10\x00\x00\x00\x00')
self.assertEqual(
file_system[0x2050:0x2060],
b'!\x00\x00\x00\x00\x00\x00\x00!\x00\x02\x00\x00\x00\x00\x00')
self.assertEqual(file_system[0x6000:0x6010],
b'. \x10\x00\x00\x00\x00')
self.assertEqual(
file_system[0x6012:0x6020],
b'\x00\x00\x00\x00\x00\x00!\x00\x02\x00\x00\x00\x00\x00')
self.assertEqual(file_system[0x6020:0x6030],
b'.. \x10\x00\x00\x00\x00')
self.assertEqual(
file_system[0x6030:0x6040],
b'!\x00\x00\x00\x00\x00\x00\x00!\x00\x01\x00\x00\x00\x00\x00')
self.assertEqual(file_system[0x6040:0x6050],
b'HELLO TXT \x00\x00\x00\x00')
self.assertEqual(
file_system[0x6050:0x6060],
b'!\x00\x00\x00\x00\x00\x00\x00!\x00\x03\x00\x0e\x00\x00\x00')
self.assertEqual(file_system[0x7000:0x7010], b'this is a test\x00\x00')
def test_lfn_nested_long_empty(self) -> None:
fatfs: fatfsgen.FATFS = fatfsgen.FATFS(long_names_enabled=True)
fatfs.create_directory('verylongtestfold')
fatfs.create_file('hellohellohello',
extension='txt',
path_from_root=['verylongtestfold'])
fatfs.write_filesystem(CFG['output_file'])
file_system = read_filesystem(CFG['output_file'])
self.assertEqual(
file_system[0x2000:0x2010],
b'Bo\x00l\x00d\x00\x00\x00\xff\xff\x0f\x00\x10\xff\xff')
self.assertEqual(
file_system[0x2012:0x2020],
b'\xff\xff\xff\xff\xff\xff\xff\xff\x00\x00\xff\xff\xff\xff')
self.assertEqual(file_system[0x2020:0x2030],
b'\x01v\x00e\x00r\x00y\x00l\x00\x0f\x00\x10o\x00')
self.assertEqual(file_system[0x2030:0x2040],
b'n\x00g\x00t\x00e\x00s\x00\x00\x00t\x00f\x00')
self.assertEqual(file_system[0x2040:0x2050],
b'verylo~1 \x10\x00\x00\x00\x00')
self.assertEqual(
file_system[0x2050:0x2060],
b'!\x00\x00\x00\x00\x00\x00\x00!\x00\x02\x00\x00\x00\x00\x00')
self.assertEqual(file_system[0x6000:0x6010],
b'. \x10\x00\x00\x00\x00')
self.assertEqual(
file_system[0x6012:0x6020],
b'\x00\x00\x00\x00\x00\x00!\x00\x02\x00\x00\x00\x00\x00')
self.assertEqual(file_system[0x6020:0x6030],
b'.. \x10\x00\x00\x00\x00')
self.assertEqual(
file_system[0x6030:0x6040],
b'!\x00\x00\x00\x00\x00\x00\x00!\x00\x01\x00\x00\x00\x00\x00')
self.assertEqual(file_system[0x6040:0x6050],
b'Bl\x00o\x00.\x00t\x00x\x00\x0f\x00\xd5t\x00')
self.assertEqual(
file_system[0x6050:0x6060],
b'\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\x00\x00\xff\xff\xff\xff'
)
def test_write_to_file_in_folder_sn_fat12(self) -> None:
fatfs = fatfsgen.FATFS()
fatfs.create_directory('TESTFOLD')
fatfs.create_file('WRITEF',
extension='TXT',
path_from_root=['TESTFOLD'])
fatfs.write_content(path_from_root=['TESTFOLD', 'WRITEF.TXT'],
content=b'testcontent')
fatfs.write_filesystem(CFG['output_file'])
file_system = read_filesystem(CFG['output_file'])
self.assertEqual(file_system[0x2000:0x200c], b'TESTFOLD \x10')
self.assertEqual(
file_system[0x1000:0x1010],
b'\xf8\xff\xff\xff\xff\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
)
self.assertEqual(file_system[0x6040:0x6050],
b'WRITEF TXT\x20\x00\x00\x00\x00')
self.assertEqual(file_system[0x605a:0x6060],
b'\x03\x00\x0b\x00\x00\x00')
self.assertEqual(file_system[0x7000:0x700b],
b'testcontent') # check file content
def test_e2e_deep_folder_into_image_ext(self) -> None:
fatfs = fatfsgen.FATFS()
fatfs.generate(CFG['test_dir2'])
fatfs.write_filesystem(CFG['output_file'])
file_system = read_filesystem(CFG['output_file'])
self.assertEqual(file_system[0x2020:0x2030],
b'TESTFILE \x00\x00\x00\x00')
self.assertEqual(file_system[0x6060:0x6070],
b'TESTFIL2 \x00\x00\x00\x00')
self.assertEqual(file_system[0x7000:0x7010],
b'. \x10\x00\x00\x00\x00')
self.assertEqual(file_system[0x7040:0x7050],
b'LASTFILETXT \x00\x00\x00\x00')
self.assertEqual(file_system[0x8000:0x8010],
b'deeptest\n\x00\x00\x00\x00\x00\x00\x00')
self.assertEqual(file_system[0x9000:0x9010],
b'thisistest\n\x00\x00\x00\x00\x00')
self.assertEqual(
file_system[0xa000:0xa010],
b'ahoj\n\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
self.assertEqual(file_system[0xb000:0xb009],
b'\xff\xff\xff\xff\xff\xff\xff\xff\xff')
def test_lfn_plain_name_no_ext(self) -> None:
fatfs = fatfsgen.FATFS(long_names_enabled=True)
fatfs.create_file('HELLOHELLOHELLO')
fatfs.write_content(path_from_root=['HELLOHELLOHELLO'],
content=b'this is a test')
fatfs.write_filesystem(CFG['output_file'])
file_system = read_filesystem(CFG['output_file'])
self.assertEqual(
file_system[0x2000:0x2010],
b'Bl\x00o\x00\x00\x00\xff\xff\xff\xff\x0f\x00V\xff\xff')
self.assertEqual(
file_system[0x2012:0x2020],
b'\xff\xff\xff\xff\xff\xff\xff\xff\x00\x00\xff\xff\xff\xff')
self.assertEqual(file_system[0x2020:0x2030],
b'\x01h\x00e\x00l\x00l\x00o\x00\x0f\x00Vh\x00')
self.assertEqual(file_system[0x2030:0x2040],
b'e\x00l\x00l\x00o\x00h\x00\x00\x00e\x00l\x00')
self.assertEqual(file_system[0x2040:0x2050],
b'HELLOH~1 \x00\x00\x00\x00')
self.assertEqual(
file_system[0x2050:0x2060],
b'!\x00\x00\x00\x00\x00\x00\x00!\x00\x02\x00\x0e\x00\x00\x00')
self.assertEqual(file_system[0x6000:0x6010], b'this is a test\x00\x00')
def test_lfn_increasing(self) -> None:
fatfs: fatfsgen.FATFS = fatfsgen.FATFS(long_names_enabled=True)
fatfs.create_directory('VERYLONGTESTFOLD')
fatfs.create_file('HELLOHELLOHELLOOOOOOO',
extension='TXT',
path_from_root=['VERYLONGTESTFOLD'])
fatfs.create_file('HELLOHELLOHELLOOOOOOB',
extension='TXT',
path_from_root=['VERYLONGTESTFOLD'])
fatfs.write_content(
path_from_root=['VERYLONGTESTFOLD', 'HELLOHELLOHELLOOOOOOO.TXT'],
content=b'this is a test A')
fatfs.write_content(
path_from_root=['VERYLONGTESTFOLD', 'HELLOHELLOHELLOOOOOOB.TXT'],
content=b'this is a test B')
fatfs.write_filesystem(CFG['output_file'])
file_system = read_filesystem(CFG['output_file'])
self.assertEqual(
file_system[0x2000:0x2010],
b'Bo\x00l\x00d\x00\x00\x00\xff\xff\x0f\x00\xa6\xff\xff')
self.assertEqual(
file_system[0x2011:0x2020],
b'\xff\xff\xff\xff\xff\xff\xff\xff\xff\x00\x00\xff\xff\xff\xff')
self.assertEqual(file_system[0x2020:0x2030],
b'\x01v\x00e\x00r\x00y\x00l\x00\x0f\x00\xa6o\x00')
self.assertEqual(file_system[0x2030:0x2040],
b'n\x00g\x00t\x00e\x00s\x00\x00\x00t\x00f\x00')
self.assertEqual(file_system[0x2040:0x2050],
b'VERYLO~1 \x10\x00\x00\x00\x00')
self.assertEqual(
file_system[0x2050:0x2060],
b'!\x00\x00\x00\x00\x00\x00\x00!\x00\x02\x00\x00\x00\x00\x00')
self.assertEqual(file_system[0x6000:0x6010],
b'. \x10\x00\x00\x00\x00')
self.assertEqual(
file_system[0x6011:0x6020],
b'\x00\x00\x00\x00\x00\x00\x00!\x00\x02\x00\x00\x00\x00\x00')
self.assertEqual(file_system[0x6020:0x6030],
b'.. \x10\x00\x00\x00\x00')
self.assertEqual(
file_system[0x6030:0x6040],
b'!\x00\x00\x00\x00\x00\x00\x00!\x00\x01\x00\x00\x00\x00\x00')
self.assertEqual(file_system[0x6040:0x6050],
b'Bl\x00o\x00o\x00o\x00o\x00\x0f\x00\xb3o\x00')
self.assertEqual(file_system[0x6050:0x6060],
b'o\x00o\x00.\x00t\x00x\x00\x00\x00t\x00\x00\x00')
self.assertEqual(file_system[0x6050:0x6060],
b'o\x00o\x00.\x00t\x00x\x00\x00\x00t\x00\x00\x00')
self.assertEqual(file_system[0x6060:0x6070],
b'\x01h\x00e\x00l\x00l\x00o\x00\x0f\x00\xb3h\x00')
self.assertEqual(file_system[0x6070:0x6080],
b'e\x00l\x00l\x00o\x00h\x00\x00\x00e\x00l\x00')
self.assertEqual(file_system[0x6080:0x6090],
b'HELLOH~1TXT \x00\x00\x00\x00')
self.assertEqual(
file_system[0x6090:0x60a0],
b'!\x00\x00\x00\x00\x00\x00\x00!\x00\x03\x00\x10\x00\x00\x00')
self.assertEqual(file_system[0x60a0:0x60b0],
b'Bl\x00o\x00o\x00o\x00o\x00\x0f\x00\x93o\x00')
self.assertEqual(file_system[0x60b0:0x60c0],
b'o\x00b\x00.\x00t\x00x\x00\x00\x00t\x00\x00\x00')
self.assertEqual(file_system[0x60c0:0x60d0],
b'\x01h\x00e\x00l\x00l\x00o\x00\x0f\x00\x93h\x00')
self.assertEqual(file_system[0x60d0:0x60e0],
b'e\x00l\x00l\x00o\x00h\x00\x00\x00e\x00l\x00')
self.assertEqual(file_system[0x60e0:0x60f0],
b'HELLOH~2TXT \x00\x00\x00\x00')
def test_empty_fat16(self) -> None:
fatfs = fatfsgen.FATFS(size=17 * 1024 * 1024)
fatfs.write_filesystem(CFG['output_file'])
file_system = read_filesystem(CFG['output_file'])
self.assertEqual(file_system[0x1000:0x1007],
b'\xf8\xff\xff\xff\x00\x00\x00')
