def test_get_field_name(self):
length = Length('length-8')
self.assertEqual(length.field, 'length')
def test_trim_field_names(self):
length = Length(' length - 8 ')
self.assertEqual(length.field, 'length')
length = Length(' length + 8 ')
self.assertEqual(length.field, 'length')
def test_dynamic_length_with_multiplier(self):
length = Length('length*3')
self.assertEqual(length.calc_value(4), 12)
self.assertEqual(length.solve_parameter(12), 4)
self.assertEqual(length.solve_parameter(13), 5)
self.assertEqual(length.solve_parameter(14), 5)
def test_dynamic_length(self):
length = Length('length')
self.assertEqual(length.calc_value(18), 18)
self.assertEqual(length.solve_parameter(18), 18)
def test_dynamic_length_with_addition(self):
length = Length('length+8')
self.assertEquals(length.calc_value(10), 18)
self.assertEquals(length.solve_parameter(18), 10)
def test_dynamic_length_with_addition(self):
length = Length('length+8')
self.assertEqual(length.calc_value(10), 18)
self.assertEqual(length.solve_parameter(18), 10)
def test_create_length_dynamic(self):
length = Length('length')
self.assertFalse(length.static)
def test_create_length(self):
length = Length('5')
self.assertTrue(length.static)
def test_decode_static(self):
stat_len = Length('5')
self.assertEquals(stat_len.decode(None), 5)
def test_decode_dynamic(self):
msg = Struct('foo', 'foo_type')
msg['len'] = Field('uint', 'len', to_bin('0x04'))
dyn_len = Length('len')
self.assertEquals(dyn_len.decode(msg), 4)
def test_decode_dynamic_with_subtractor(self):
msg = Struct('foo', 'foo_type')
msg['len'] = Field('uint', 'len', to_bin('0x04'))
dyn_len = Length('len-2')
self.assertEquals(dyn_len.decode(msg), 2)
def test_dynamic_length(self):
length = Length('length')
self.assertEquals(length.calc_value(18), 18)
self.assertEquals(length.solve_parameter(18), 18)
def test_dynamic_length_with_multiplier(self):
length = Length('length*3')
self.assertEquals(length.calc_value(4), 12)
self.assertEquals(length.solve_parameter(12), 4)
self.assertEquals(length.solve_parameter(13), 5)
self.assertEquals(length.solve_parameter(14), 5)
def test_decode_dynamic_with_subtractor(self):
msg = Struct('foo', 'foo_type')
msg['len'] = Field('uint', 'len', to_bin('0x04'))
dyn_len = Length('len-2')
self.assertEqual(dyn_len.decode(msg), 2)
def test_static_length(self):
length = Length('5')
self.assertEqual(length.value, 5)
def test_decode_static(self):
stat_len = Length('5')
self.assertEqual(stat_len.decode(None), 5)
def test_dynamic_length_with_subtractor(self):
length = Length('length-8')
self.assertEqual(length.calc_value(18), 10)
self.assertEqual(length.solve_parameter(10), 18)
def _assert_alignment(self, length, alignment, result):
self.assertEqual(
Length(length, alignment).decode_lengths(None, None)[1], result)
def test_dynamic_length_with_subtractor(self):
length = Length('length-8')
self.assertEquals(length.calc_value(18), 10)
self.assertEquals(length.solve_parameter(10), 18)
