-touch rootdir/var/lib/apt/lists/partial/http.debian.net_debian_dists_sid_main_i18n_Translation-en
-touch rootdir/var/cache/apt/archives/foo_1_all.deb
-touch rootdir/var/cache/apt/archives/foo_2_all.deb
-touch rootdir/var/cache/apt/archives/foo_3_all.deb
-touch rootdir/var/cache/apt/archives/foo_4_all.deb
+generatedirt() {
+ touch rootdir/var/lib/apt/lists/partial/http.debian.net_debian_dists_sid_main_i18n_Translation-en
+ mkdir -p rootdir/var/cache/apt/archives/lost+found
+ touch rootdir/var/cache/apt/archives/foo_1_all.deb
+ touch rootdir/var/cache/apt/archives/foo_1%3a1_all.deb
+ touch rootdir/var/cache/apt/archives/foo_2%3a1_all.deb
+ touch rootdir/var/cache/apt/archives/foo_2_all.deb
+ touch rootdir/var/cache/apt/archives/foo_3_all.deb
+ touch rootdir/var/cache/apt/archives/foo_4_all.deb
+}
+
+generatedirt
+testsuccess aptget autoclean
+testsuccess test -e rootdir/var/lib/apt/lists/partial/http.debian.net_debian_dists_sid_main_i18n_Translation-en
+testsuccess test -e rootdir/var/cache/apt/archives/foo_1_all.deb
+testsuccess test -e rootdir/var/cache/apt/archives/foo_1%3a1_all.deb
+testfailure test -e rootdir/var/cache/apt/archives/foo_2%3a1_all.deb
+testsuccess test -e rootdir/var/cache/apt/archives/foo_2_all.deb
+testfailure test -e rootdir/var/cache/apt/archives/foo_3_all.deb
+testfailure test -e rootdir/var/cache/apt/archives/foo_4_all.deb