def read_register(self, addr):
if addr not in self._requested_registers:
raise IndexError('Unknown register address: %x' % addr)
values = [ self._response.getRegister(addr + i - self._min_addr) \
for i in range(self._requested_registers[addr]) ]
return util.unpack_values(values)
def test_packing_and_unpacking():
for width in [1,2]:
min_value = -(2 ** (16 * width) / 2)
max_value = -min_value - 1
edge_cases = [min_value, max_value, -1, 0, 1]
sample = random.sample(xrange(min_value, max_value), 10000)
for i in itertools.chain(edge_cases, sample):
packed = util.pack_value(i, width)
unpacked = util.unpack_values(packed)
nose.assert_equal(i, unpacked)