def test_parse_message(self):
actual = FileEndOfFileInformation()
data = b"\x73\x03\x10\x00\x00\x00\x00\x00"
data = actual.unpack(data)
assert len(actual) == 8
assert data == b""
assert actual['end_of_file'].get_value() == 1049459
def test_create_message(self):
message = FileEndOfFileInformation()
message['end_of_file'] = 1049459
expected = b"\x73\x03\x10\x00\x00\x00\x00\x00"
actual = message.pack()
assert len(message) == 8
assert actual == expected
def truncate(self, size):
"""
Truncate the file to at most size bytes and return the truncated size.
Size defaults to the current file position, as returned by tell().
The current file position is changed to the value of size.
"""
with SMBFileTransaction(self) as transaction:
eof_info = FileEndOfFileInformation()
eof_info['end_of_file'] = size
set_info(transaction, eof_info)
self.fd.end_of_file = size
self._flush = True
return size