1..13
# ->clean()
ok 1 - ->clean() returns the numbers unmodified
ok 2 - ->clean() converts strings to numbers
ok 3 - ->clean() returns the numbers unmodified
ok 4 - ->clean() converts strings to numbers
ok 5 - ->clean() throws a sfValidatorError if the value is not a number
ok 6 - ->clean() returns null for null values
ok 7 - ->clean() checks the maximum number allowed
ok 8 - max option set the maximum number allowed
ok 9 - max error message customization
ok 10 - ->clean() checks the minimum number allowed
ok 11 - min option set the minimum number allowed
ok 12 - ->clean() throws a sfValidatorError
ok 13 - min error message customization
# Looks like everything went fine.