2 # vim: filetype=sh noexpandtab ts=8 sw=8
3 # $FreeBSD: head/tools/regression/pjdfstest/tests/ftruncate/00.t 219439 2011-03-09 23:11:30Z pjd $
5 desc="ftruncate descrease/increase file size"
15 expect 0 mkdir ${n1} 0755
19 expect 0 create ${n0} 0644
20 expect 0 open ${n0} O_RDWR : ftruncate 0 1234567
21 expect 1234567 lstat ${n0} size
22 expect 0 open ${n0} O_WRONLY : ftruncate 0 567
23 expect 567 lstat ${n0} size
26 dd if=/dev/random of=${n0} bs=12345 count=1 >/dev/null 2>&1
27 expect 0 open ${n0} O_RDWR : ftruncate 0 23456
28 expect 23456 lstat ${n0} size
29 expect 0 open ${n0} O_WRONLY : ftruncate 0 1
30 expect 1 lstat ${n0} size
33 # successful ftruncate(2) updates ctime.
34 expect 0 create ${n0} 0644
35 ctime1=`${fstest} stat ${n0} ctime`
37 expect 0 open ${n0} O_RDWR : ftruncate 0 123
38 ctime2=`${fstest} stat ${n0} ctime`
39 test_check $ctime1 -lt $ctime2
42 # unsuccessful ftruncate(2) does not update ctime.
43 expect 0 create ${n0} 0644
44 ctime1=`${fstest} stat ${n0} ctime`
46 expect EINVAL -u 65534 open ${n0} O_RDONLY : ftruncate 0 123
47 ctime2=`${fstest} stat ${n0} ctime`
48 test_check $ctime1 -eq $ctime2
51 # third argument should not affect permission.
52 expect 0 open ${n0} O_CREAT,O_RDWR 0 : ftruncate 0 0
55 expect 0 -u 65534 open ${n0} O_CREAT,O_RDWR 0 : ftruncate 0 0