set -e
-rm -f test.img
+rm -f test.out
-truncate -s 10M test.img
-guestfish -a test.img </dev/null
+../fish/guestfish -x -a /dev/null </dev/null >test.out 2>&1
-rm -f test.img
+! grep -sq 'add_drive.*format' test.out
+
+../fish/guestfish -x --format=qcow2 -a /dev/null </dev/null >test.out 2>&1
+
+grep -sq 'add_drive.*format:qcow2' test.out
+
+../fish/guestfish -x --ro --format=qcow2 -a /dev/null </dev/null >test.out 2>&1
+
+grep -sq 'add_drive.*readonly:true.*format:qcow2' test.out
+
+../fish/guestfish -x --format -a /dev/null </dev/null >test.out 2>&1
+
+! grep -sq 'add_drive.*format' test.out
+
+../fish/guestfish -x -a /dev/null --format=qcow2 </dev/null >test.out 2>&1
+
+! grep -sq 'add_drive.*format' test.out
+
+rm -f test.out