import unittest class Issue599(unittest.TestCase): def test_minmax(self): from kivy.event import EventDispatcher from kivy.properties import BoundedNumericProperty class PropertyWidget(EventDispatcher): foo = BoundedNumericProperty(1, min=-5, max=5) wid = PropertyWidget() self.assertEqual(wid.property('foo').get_min(wid), -5) wid.property('foo').set_min(wid, 0) self.assertEqual(wid.property('foo').get_min(wid), 0) self.assertEqual(wid.property('foo').get_max(wid), 5) wid.property('foo').set_max(wid, 10) self.assertEqual(wid.property('foo').get_max(wid), 10)