+class OptionFieldTestCase(unittest.TestCase):
+ def _create_fc(self, tc):
+ fc = tc.create_option_field_class(tc.create_string_field_class())
+ top_fc = tc.create_structure_field_class()
+ top_fc.append_member('opt_field', fc)
+ return top_fc
+
+ def setUp(self):
+ self._tc = get_default_trace_class()
+ fld = _create_field(self._tc, self._create_fc(self._tc))
+ self._def = fld['opt_field']
+
+ def test_value_prop(self):
+ self._def.value = 'hiboux'
+ self.assertEqual(self._def.field, 'hiboux')
+ self.assertTrue(self._def.has_field)
+
+ def test_has_field_prop_true(self):
+ self._def.has_field = True
+ self.assertTrue(self._def.has_field)
+
+ def test_has_field_prop_true(self):
+ self._def.has_field = False
+ self.assertFalse(self._def.has_field)
+
+ def test_bool_op_true(self):
+ self._def.value = 'allo'
+ self.assertTrue(self._def)
+
+ def test_bool_op_true(self):
+ self._def.has_field = False
+ self.assertFalse(self._def)
+
+ def test_field_prop_existing(self):
+ self._def.value = 'meow'
+ field = self._def.field
+ self.assertEqual(field, 'meow')
+
+ def test_field_prop_none(self):
+ self._def.has_field = False
+ field = self._def.field
+ self.assertIsNone(field)
+
+ def test_field_prop_existing_then_none(self):
+ self._def.value = 'meow'
+ field = self._def.field
+ self.assertEqual(field, 'meow')
+ self._def.has_field = False
+ field = self._def.field
+ self.assertIsNone(field)
+
+ def test_eq(self):
+ field = _create_field(self._tc, self._create_fc(self._tc))
+ field = field['opt_field']
+ field.value = 'walk'
+ self._def.value = 'walk'
+ self.assertEqual(self._def, field)
+
+ def test_eq_invalid_type(self):
+ self._def.value = 'gerry'
+ self.assertNotEqual(self._def, 23)
+
+ def test_str_op(self):
+ self._def.value = 'marcel'
+ self.assertEqual(str(self._def), str(self._def.field))
+
+ def test_repr_op(self):
+ self._def.value = 'mireille'
+ self.assertEqual(repr(self._def), repr(self._def.field))
+
+