def test_can_get_error_value_safely(self):
val = Value.create(10.5, 0.2)
self.assertIsInstance(val, Value)
self.assertEqual(val._value, 10.5)
self.assertEqual(val._error, 0.2)
def test_can_ignore_non_numbers(self):
s = "value"
val = Value.create(s, 0.2)
self.assertIs(val, s)
def test_can_get_simple_value_safely(self):
val = Value.create(10)
self.assertIsInstance(val, Value)
self.assertEqual(val._value, 10)
self.assertEqual(val._error, 0)
