4 desc="unlink returns EPERM if the parent directory of the named file has its immutable or append-only flag set"
16 expect 0 mkdir ${n0} 0755
18 expect 0 create ${n0}/${n1} 0644
19 expect 0 chflags ${n0} SF_IMMUTABLE
20 expect EPERM unlink ${n0}/${n1}
21 expect 0 chflags ${n0} none
22 expect 0 unlink ${n0}/${n1}
24 expect 0 create ${n0}/${n1} 0644
25 expect 0 chflags ${n0} UF_IMMUTABLE
26 expect EPERM unlink ${n0}/${n1}
27 expect 0 chflags ${n0} none
28 expect 0 unlink ${n0}/${n1}
30 expect 0 create ${n0}/${n1} 0644
31 expect 0 chflags ${n0} SF_APPEND
32 expect EPERM unlink ${n0}/${n1}
33 expect 0 chflags ${n0} none
34 expect 0 unlink ${n0}/${n1}
36 expect 0 create ${n0}/${n1} 0644
37 expect 0 chflags ${n0} UF_APPEND
38 expect EPERM unlink ${n0}/${n1}
39 expect 0 chflags ${n0} none
40 expect 0 unlink ${n0}/${n1}
42 expect 0 create ${n0}/${n1} 0644
43 expect 0 chflags ${n0} SF_NOUNLINK
44 expect 0 unlink ${n0}/${n1}
45 expect 0 chflags ${n0} none
47 expect 0 create ${n0}/${n1} 0644
48 expect 0 chflags ${n0} UF_NOUNLINK
49 expect 0 unlink ${n0}/${n1}
50 expect 0 chflags ${n0} none