return packet.context_field[field_name]
+class BitArrayFieldTestCase(unittest.TestCase):
+ def _create_field(self):
+ return _create_field(self._tc, self._tc.create_bit_array_field_class(24))
+
+ def setUp(self):
+ self._tc = get_default_trace_class()
+ self._def_value = 15497
+ self._def = self._create_field()
+ self._def.value_as_integer = self._def_value
+ self._def_new_value = 101542
+
+ def test_assign_invalid_type(self):
+ with self.assertRaises(TypeError):
+ self._def.value_as_integer = 'onze'
+
+ def test_assign(self):
+ self._def.value_as_integer = 199
+ self.assertEqual(self._def.value_as_integer, 199)
+
+ def test_assign_masked(self):
+ self._def.value_as_integer = 0xE1549BB
+ self.assertEqual(self._def.value_as_integer, 0xE1549BB & ((1 << 24) - 1))
+
+ def test_eq(self):
+ other = self._create_field()
+ other.value_as_integer = self._def_value
+ self.assertEqual(self._def, other)
+
+ def test_ne_same_type(self):
+ other = self._create_field()
+ other.value_as_integer = self._def_value - 1
+ self.assertNotEqual(self._def, other)
+
+ def test_ne_diff_type(self):
+ self.assertNotEqual(self._def, self._def_value)
+
+ def test_len(self):
+ self.assertEqual(len(self._def), 24)
+
+ def test_str(self):
+ self.assertEqual(str(self._def), str(self._def_value))
+
+ def test_repr(self):
+ self.assertEqual(repr(self._def), repr(self._def_value))
+
+
# Base class for numeric field test cases.
#
# To be compatible with this base class, a derived class must, in its