def test_normalise_unknown_byte_orders(self):
for byte_order in ['|', 'I', 'other', 'S', 'N', 'L', 'B']:
with self.assertRaisesRegex(ValueError,
"Unrecognised byte order indicator"):
utils.normalise_byte_order(byte_order)
def test_normalise_big_endian_byte_order(self):
assert utils.normalise_byte_order('>') == '>'
def test_normalise_native_byte_order(self):
if sys.byteorder == 'little':
assert utils.normalise_byte_order('=') == '<'
else:
assert utils.normalise_byte_order('=') == '>'
def test_normalise_little_endian_byte_order(self):
assert utils.normalise_byte_order('<') == '<'