+ def test_is_set(self):
+ values = {
+ 'an_int': 42,
+ 'a_string': 'hello',
+ 'another_int': 66
+ }
+
+ int_ft = bt2.IntegerFieldType(32)
+ str_ft = bt2.StringFieldType()
+ struct_ft = bt2.StructureFieldType()
+ struct_ft.append_field(field_type=int_ft, name='an_int')
+ struct_ft.append_field(field_type=str_ft, name='a_string')
+ struct_ft.append_field(field_type=int_ft, name='another_int')
+
+ struct = struct_ft()
+ self.assertFalse(struct.is_set)
+ struct.value = values
+ self.assertTrue(struct.is_set)
+
+ struct = struct_ft()
+ struct['an_int'].value = 42
+ self.assertFalse(struct.is_set)
+
+ def test_reset(self):
+ values = {
+ 'an_int': 42,
+ 'a_string': 'hello',
+ 'another_int': 66
+ }
+
+ int_ft = bt2.IntegerFieldType(32)
+ str_ft = bt2.StringFieldType()
+ struct_ft = bt2.StructureFieldType()
+ struct_ft.append_field(field_type=int_ft, name='an_int')
+ struct_ft.append_field(field_type=str_ft, name='a_string')
+ struct_ft.append_field(field_type=int_ft, name='another_int')
+
+ struct = struct_ft()
+ struct.value = values
+ self.assertTrue(struct.is_set)
+ struct.reset()
+ self.assertEqual(struct_ft(), struct)
+
+ def test_str_op(self):
+ expected_string_found = False
+ s = str(self._def)
+ # Establish all permutations of the three expected matches since
+ # the order in which mappings are enumerated is not explicitly part of
+ # the API.
+ for p in itertools.permutations([(k, v) for k, v in self._def.items()]):
+ items = ['{}: {}'.format(repr(k), repr(v)) for k, v in p]
+ candidate = '{{{}}}'.format(', '.join(items))
+ if candidate == s:
+ expected_string_found = True
+ break
+
+ self.assertTrue(expected_string_found)