def test_xxx(self):
self.assertEquals(find_subtractive_combinations("XXX"), ())
def test_mmmcccxxxviii(self):
self.assertEquals(find_subtractive_combinations("MMMCCCXXXVIII"), ())
def test_cmxliv(self):
self.assertEquals(find_subtractive_combinations("CMXLIV"), (
("CM", 0),
("XL", 2),
("IV", 4),
))
def test_i(self):
self.assertEquals(find_subtractive_combinations("I"), ())
def test_mcm(self):
self.assertEquals(find_subtractive_combinations("MCM"), (("CM", 1), ))
def test_ccxciv(self):
self.assertEquals(find_subtractive_combinations("CCXCIV"), (
("XC", 2),
("IV", 4),
))
def test_cxc(self):
self.assertEquals(find_subtractive_combinations("CXC"), (("XC", 1), ))
def test_xix(self):
self.assertEquals(find_subtractive_combinations("XIX"), (("IX", 1), ))
def test_cd(self):
self.assertEquals(find_subtractive_combinations("CD"), (("CD", 0), ))
def test_xl(self):
self.assertEquals(find_subtractive_combinations("XL"), (("XL", 0), ))
def test_iv(self):
self.assertEquals(find_subtractive_combinations("IV"), (("IV", 0), ))
