def cache_eval_even (self) :
	temp = 2
	val = cache_eval(temp,0)
	self.assert_(val == 2)
    def cache_eval_one (self) :
	temp = 1
	val = cache_eval(temp,0)
	self.assert_(val == 1)
    def cache_eval_odd (self) :
	temp = 3
	val = cache_eval(temp,0)
	self.assert_(val == 8)