def testSanity(self):                    
		"""fromNegative(toNegative(n))==n for all n"""
		for integer in range(1, 100):       
			numeral = negative.toNegative(integer) 
			result = negative.fromNegative(numeral)
			self.assertEqual(integer, result)
def testFromNegativeKnownValues(self):                          
	"""fromnegative should give known result with known input"""
	for integer, numeral in self.knownValues:                
		result = negative.fromNegative(numeral)                    
		self.assertEqual(integer, result)