def test_valid_value_behaves_like_subclass_instance(self):
mt = multitype(Float.partial(min=10), String)
x = mt(15)
self.assertEqual(x, 15.0)
self.assertEqual(x + 5, 20.0)
with self.assert_raises(TypeError):
x + '!'
x = mt('hello')
self.assertEqual(x, 'hello')
self.assertEqual(x + '!', 'hello!')
with self.assert_raises(TypeError):
x + 5
def test_classname(self):
mt = multitype(Bool, Float.partial(max=100), String)
self.assertEqual(mt.__name__, 'BoolOrFloatOrString')