unittesting

Element	Missed Instructions	Cov.	Missed Branches	Cov.	Missed	Cxty	Missed	Lines	Missed	Methods	Missed	Classes
Total	3 of 222	98%	0 of 40	100%	0	32	2	49	0	12	0	4
io		95%		100%	0	6	2	16	0	3	0	1
math		100%		100%	0	26	0	33	0	9	0	3