case	shell	result
0	osh	pass
0	osh_.py	pass
0	osh_.cc	pass
1	osh	pass
1	osh_.py	pass
1	osh_.cc	pass
2	osh	ok
2	osh_.py	ok
2	osh_.cc	ok
3	osh	ok
3	osh_.py	ok
3	osh_.cc	ok
4	osh	ok
4	osh_.py	ok
4	osh_.cc	ok