case	shell	result
0	osh	ok
0	osh-cpp	ok
1	osh	pass
1	osh-cpp	pass
2	osh	pass
2	osh-cpp	pass
3	osh	pass
3	osh-cpp	pass
4	osh	pass
4	osh-cpp	pass
5	osh	pass
5	osh-cpp	pass
6	osh	BUG
6	osh-cpp	BUG