def testExponents(self):
signs = ("", "+", "-")
mantissas = ("1", "1.", ".1", "12", "12.", "1.2", ".12", "123", "123.",
"12.3", "1.23", ".123")
es = "eE"
exps = ("1", "12", "+1", "-1", "+12", "-12")
for parts in itertools.product(signs, mantissas, es, exps):
expstring = "".join(parts)
self.assertTrue(exponent_syntax.match(expstring))
def testInvalidExponents(self):
# Add test cases as needed
invalid = (".e1", )
for expstring in invalid:
self.assertFalse(exponent_syntax.match(expstring))
