def test_determine_bpi(self):
# default to BitPaddedInt
self.assertTrue(determine_bpi("", {}) is BitPaddedInt)
def get_frame_data(name, size, bpi=True):
data = name
if bpi:
data += BitPaddedInt.to_str(size)
else:
data += BitPaddedInt.to_str(size, bits=8)
data += b"\x00\x00" + b"\x01" * size
return data
data = get_frame_data(b"TPE2", 1000, True)
self.assertTrue(determine_bpi(data, Frames) is BitPaddedInt)
self.assertTrue(
determine_bpi(data + b"\x00" * 1000, Frames) is BitPaddedInt)
data = get_frame_data(b"TPE2", 1000, False)
self.assertTrue(determine_bpi(data, Frames) is int)
self.assertTrue(determine_bpi(data + b"\x00" * 1000, Frames) is int)
# in this case it helps that we know the frame name
d = get_frame_data(b"TPE2", 1000) + get_frame_data(b"TPE2", 10) + \
b"\x01" * 875
self.assertTrue(determine_bpi(d, Frames) is BitPaddedInt)
def test_determine_bpi(self):
# default to BitPaddedInt
self.assertTrue(determine_bpi("", {}) is BitPaddedInt)
def get_frame_data(name, size, bpi=True):
data = name
if bpi:
data += BitPaddedInt.to_str(size)
else:
data += BitPaddedInt.to_str(size, bits=8)
data += b"\x00\x00" + b"\x01" * size
return data
data = get_frame_data(b"TPE2", 1000, True)
self.assertTrue(determine_bpi(data, Frames) is BitPaddedInt)
self.assertTrue(
determine_bpi(data + b"\x00" * 1000, Frames) is BitPaddedInt)
data = get_frame_data(b"TPE2", 1000, False)
self.assertTrue(determine_bpi(data, Frames) is int)
self.assertTrue(determine_bpi(data + b"\x00" * 1000, Frames) is int)
# in this case it helps that we know the frame name
d = get_frame_data(b"TPE2", 1000) + get_frame_data(b"TPE2", 10) + \
b"\x01" * 875
self.assertTrue(determine_bpi(d, Frames) is BitPaddedInt)
