def test_can_unmortgage(self):
bi = Board(["red", "blue"])
bi.purchase("red", 1)
self.assertFalse(bi.can_unmortgage("red", 1))
bi.purchase("red", 3)
self.assertFalse(bi.can_unmortgage("red", 1))
self.assertFalse(bi.can_unmortgage("red", 3))
bi.mortgage("red", 1)
self.assertTrue(bi.can_unmortgage("red", 1))
self.assertFalse(bi.can_unmortgage("red", 3))
bi.mortgage("red", 3)
self.assertTrue(bi.can_unmortgage("red", 1))
self.assertTrue(bi.can_unmortgage("red", 3))
def test_can_unmortgage(self):
bi = Board(["red", "blue"], 10000)
bi.purchase("red", 1)
bi.purchase("red", 3)
bi.upgrade("red", 1)
self.assertFalse(bi.can_unmortgage("red", 1))
self.assertFalse(bi.can_unmortgage("red", 3))
