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Editing: 00.t
#!/bin/sh # vim: filetype=sh noexpandtab ts=8 sw=8 # $FreeBSD: head/tools/regression/pjdfstest/tests/truncate/00.t 211352 2010-08-15 21:24:17Z pjd $ desc="truncate descrease/increase file size" dir=`dirname $0` . ${dir}/../misc.sh echo "1..21" n0=`namegen` n1=`namegen` expect 0 mkdir ${n1} 0755 cdir=`pwd` cd ${n1} expect 0 create ${n0} 0644 expect 0 truncate ${n0} 1234567 expect 1234567 lstat ${n0} size expect 0 truncate ${n0} 567 expect 567 lstat ${n0} size expect 0 unlink ${n0} dd if=/dev/random of=${n0} bs=12345 count=1 >/dev/null 2>&1 expect 0 truncate ${n0} 23456 expect 23456 lstat ${n0} size expect 0 truncate ${n0} 1 expect 1 lstat ${n0} size expect 0 unlink ${n0} # successful truncate(2) updates ctime. expect 0 create ${n0} 0644 ctime1=`${fstest} stat ${n0} ctime` sleep 1 expect 0 truncate ${n0} 123 ctime2=`${fstest} stat ${n0} ctime` test_check $ctime1 -lt $ctime2 expect 0 unlink ${n0} # unsuccessful truncate(2) does not update ctime. expect 0 create ${n0} 0644 ctime1=`${fstest} stat ${n0} ctime` sleep 1 expect EACCES -u 65534 truncate ${n0} 123 ctime2=`${fstest} stat ${n0} ctime` test_check $ctime1 -eq $ctime2 expect 0 unlink ${n0} cd ${cdir} expect 0 rmdir ${n1}
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