+ testequalor2 "dpkg-query: no packages found matching ${PKGNAME}" "No packages found matching ${PKGNAME}." dpkg -l "$PKGNAME"
+}
+checkpurge
+
+msgtest 'setsid provided is new enough to support' '-w'
+if dpkg-checkbuilddeps -d 'util-linux (>= 2.24.2-1)' /dev/null >/dev/null 2>&1; then
+ msgpass
+else
+ msgskip "$(command dpkg -l util-linux)"
+ exit
+fi
+
+rm -f rootdir/var/log/dpkg.log rootdir/var/log/apt/term.log
+testsuccess runapt command setsid -w "${BUILDDIRECTORY}/apt-get" install -y fdleaks -qq < /dev/null
+checkinstall
+
+rm -f rootdir/var/log/dpkg.log rootdir/var/log/apt/term.log
+testsuccess runapt command setsid -w "${BUILDDIRECTORY}/apt-get" purge -y fdleaks -qq
+checkpurge
+
+touch rootdir/tmp/read_stdin
+
+rm -f rootdir/var/log/dpkg.log rootdir/var/log/apt/term.log
+for i in $(seq 1 10); do echo "$i"; done | testsuccess aptget install -y fdleaks -qq
+checkinstall
+testequal '2' grep -c '^STDIN: ' rootdir/var/log/apt/term.log
+
+rm -f rootdir/var/log/dpkg.log rootdir/var/log/apt/term.log
+yes '' | testsuccess runapt command setsid -w "${BUILDDIRECTORY}/apt-get" purge -y fdleaks -qq
+checkpurge
+testequal '3' grep -c '^STDIN: ' rootdir/var/log/apt/term.log