#!/bin/sh
# $FreeBSD$

desc="truncate returns EPERM if the named file has its immutable or append-only flag set"

dir=`dirname $0`
. ${dir}/../misc.sh

require chflags

echo "1..40"

n0=`namegen`

expect 0 create ${n0} 0644
expect 0 chflags ${n0} SF_IMMUTABLE
expect EPERM truncate ${n0} 123
expect 0 stat ${n0} size
expect 0 chflags ${n0} none
expect 0 truncate ${n0} 123
expect 0 unlink ${n0}

expect 0 create ${n0} 0644
expect 0 chflags ${n0} UF_IMMUTABLE
expect EPERM truncate ${n0} 123
expect 0 stat ${n0} size
expect 0 chflags ${n0} none
expect 0 truncate ${n0} 123
expect 0 unlink ${n0}

expect 0 create ${n0} 0644
expect 0 chflags ${n0} SF_APPEND
expect EPERM truncate ${n0} 123
expect 0 stat ${n0} size
expect 0 chflags ${n0} none
expect 0 truncate ${n0} 123
expect 0 unlink ${n0}

expect 0 create ${n0} 0644
expect 0 chflags ${n0} UF_APPEND
expect EPERM truncate ${n0} 123
expect 0 stat ${n0} size
expect 0 chflags ${n0} none
expect 0 truncate ${n0} 123
expect 0 unlink ${n0}

expect 0 create ${n0} 0644
expect 0 chflags ${n0} SF_NOUNLINK
expect 0 truncate ${n0} 123
expect 123 stat ${n0} size
expect 0 chflags ${n0} none
expect 0 unlink ${n0}

expect 0 create ${n0} 0644
expect 0 chflags ${n0} UF_NOUNLINK
expect 0 truncate ${n0} 123
expect 123 stat ${n0} size
expect 0 chflags ${n0} none
expect 0 unlink ${n0}