# $NetBSD: t_umount.sh,v 1.9 2025/08/18 14:59:51 christos Exp $
#
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TMPMP=umount-f_mount
TMPIM=umount-f.im

VND=vnd0
BVND=/dev/${VND}
CVND=/dev/r${VND}
MPART=a

atf_test_case umount cleanup
umount_head()
{
       atf_set "descr" "Checks forced unmounting"
       atf_set "require.user" "root"
}
umount_body()
{
       if [ $(uname -p) = vax ]; then
               atf_skip "port-vax/59287 vnd(4) can cause kernel crash"
       fi

       mydir=$(pwd)
       cat >disktab <<EOF
floppy288|2.88MB 3.5in Extra High Density Floppy:\
       :ty=floppy:se#512:nt#2:rm#300:ns#36:nc#80:\
       :pa#5760:oa#0:ba#4096:fa#512:ta=4.2BSD:\
       :pb#5760:ob#0:\
       :pc#5760:oc#0:
EOF

       cat << EOF > dot
cd: Can't cd to ".": No such file or directory
EOF
       cat << EOF > dotdot
cd: Can't cd to "..": No such file or directory
EOF
       echo "*** Creating a dummy directory tree at" \
            "${TMPMP} mounted on ${TMPIM}"

       atf_check -o ignore -e ignore mkdir ${TMPMP}
       atf_check -o ignore -e ignore touch ${TMPMP}/under_the_mount
       atf_check -o ignore -e ignore dd if=/dev/zero of=${TMPIM} count=5860
       atf_check -o ignore -e ignore vnconfig -v ${VND} ${TMPIM}
       atf_check -o ignore -e ignore disklabel -f disktab -rw ${VND} floppy288
       atf_check -o ignore -e ignore newfs -i 500 -b 8192 -f 1024 ${CVND}${MPART}
       atf_check -o ignore -e ignore mount -o async ${BVND}${MPART} ${TMPMP}
       atf_check -o ignore -e ignore touch ${TMPMP}/in_mounted_directory

       echo "*** Testing forced unmount"
       test -e "${TMPMP}/in_mounted_directory" || \
           atf_fail "Test file not present in mounted directory!"

       cd "${TMPMP}"
       atf_check -o ignore -e ignore umount -f "${BVND}${MPART}"

       atf_check -s ne:0 -e inline:"ls: .: No such file or directory\n" ls .
       atf_check -s ne:0 -e inline:"ls: ..: No such file or directory\n" ls ..

       atf_check -s ne:0 -e ignore -o file:"${mydir}/dot" -x "cd . 2>&1"
       atf_check -s ne:0 -e ignore -o file:"${mydir}/dotdot" -x "cd .. 2>&1"

       cd "${mydir}"

       test -e "${TMPMP}/under_the_mount" || \
           atf_fail "Original mount point disappeared!"
}
umount_cleanup()
{
       echo "*** Cleaning up ${TMPMP}, ${TMPIM}."
       umount -f "${TMPMP}"
       vnconfig -u "${VND}"
}

atf_init_test_cases()
{
       atf_add_test_case umount
}