case	shell	result
0	ysh	FAIL
0	ysh-cpp	FAIL
1	ysh	FAIL
1	ysh-cpp	FAIL
2	ysh	FAIL
2	ysh-cpp	FAIL
3	ysh	FAIL
3	ysh-cpp	FAIL
4	ysh	pass
4	ysh-cpp	pass
5	ysh	FAIL
5	ysh-cpp	FAIL
6	ysh	FAIL
6	ysh-cpp	FAIL
7	ysh	FAIL
7	ysh-cpp	FAIL
8	ysh	FAIL
8	ysh-cpp	FAIL