def test_ordinal(self):
assert Commons.ordinal(1) == "1st", "1st ordinal incorrect."
assert Commons.ordinal(2) == "2nd", "2nd ordinal incorrect."
assert Commons.ordinal(3) == "3rd", "3rd ordinal incorrect."
assert Commons.ordinal(4) == "4th", "4th ordinal incorrect."
assert Commons.ordinal(5) == "5th", "5th ordinal incorrect."
assert Commons.ordinal(10) == "10th", "10th ordinal incorrect."
assert Commons.ordinal(11) == "11th", "11th ordinal incorrect."
assert Commons.ordinal(12) == "12th", "12th ordinal incorrect."
assert Commons.ordinal(13) == "13th", "13th ordinal incorrect."
assert Commons.ordinal(14) == "14th", "14th ordinal incorrect."
assert Commons.ordinal(20) == "20th", "20th ordinal incorrect."
assert Commons.ordinal(21) == "21st", "21st ordinal incorrect."
assert Commons.ordinal(22) == "22nd", "22nd ordinal incorrect."
assert Commons.ordinal(23) == "23rd", "23rd ordinal incorrect."
assert Commons.ordinal(24) == "24th", "24th ordinal incorrect."
assert Commons.ordinal(100) == "100th", "100th ordinal incorrect."
assert Commons.ordinal(101) == "101st", "101st ordinal incorrect."
assert Commons.ordinal(102) == "102nd", "102nd ordinal incorrect."
assert Commons.ordinal(103) == "103rd", "103rd ordinal incorrect."
assert Commons.ordinal(104) == "104th", "104th ordinal incorrect."
assert Commons.ordinal(111) == "111th", "111th ordinal incorrect."
assert Commons.ordinal(121) == "121st", "121st ordinal incorrect."
