case	shell	result
0	osh	N-I
0	osh-cpp	N-I
1	osh	N-I
1	osh-cpp	N-I
2	osh	pass
2	osh-cpp	pass
3	osh	N-I
3	osh-cpp	N-I
4	osh	N-I
4	osh-cpp	N-I