--- /dev/null
+#!/bin/bash -
+# libguestfs
+# Copyright (C) 2010 Red Hat Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+# Test LVM device filtering.
+
+set -e
+
+rm -f test1.img test2.img
+
+actual=$(../fish/guestfish <<'EOF'
+sparse test1.img 1G
+sparse test2.img 1G
+
+run
+
+part-disk /dev/sda mbr
+part-disk /dev/sdb mbr
+
+pvcreate /dev/sda1
+pvcreate /dev/sdb1
+
+vgcreate VG1 /dev/sda1
+vgcreate VG2 /dev/sdb1
+
+# Should see VG1 and VG2
+vgs
+
+# Should see just VG1
+lvm-set-filter /dev/sda
+vgs
+lvm-set-filter /dev/sda1
+vgs
+
+# Should see just VG2
+lvm-set-filter /dev/sdb
+vgs
+lvm-set-filter /dev/sdb1
+vgs
+
+# Should see VG1 and VG2
+lvm-set-filter "/dev/sda /dev/sdb"
+vgs
+lvm-set-filter "/dev/sda1 /dev/sdb1"
+vgs
+lvm-set-filter "/dev/sda /dev/sdb1"
+vgs
+lvm-set-filter "/dev/sda1 /dev/sdb"
+vgs
+lvm-clear-filter
+vgs
+EOF
+)
+
+expected="VG1
+VG2
+VG1
+VG1
+VG2
+VG2
+VG1
+VG2
+VG1
+VG2
+VG1
+VG2
+VG1
+VG2
+VG1
+VG2"
+
+rm -f test1.img test2.img
+
+if [ "$actual" != "$expected" ]; then
+ echo "LVM filter test failed. Actual output was:"
+ echo "$actual"
+ exit 1
+fi