tests: check pvmove on single PV

test/shell/pvmove-single.sh

@@ -0,0 +1,34 @@
+#!/usr/bin/env bash
+
+# Copyright (C) 2024 Red Hat, Inc. All rights reserved.
+#
+# This copyrighted material is made available to anyone wishing to use,
+# modify, copy, or redistribute it subject to the terms and conditions
+# of the GNU General Public License v.2.
+#
+# 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+
+test_description="ensure pvmove works on single PV"
+SKIP_WITH_LVMLOCKD=1
+
+. lib/inittest
+
+aux prepare_vg 1
+
+lvcreate -aey -l16 -n $lv1 $vg
+lvcreate -aey -l16 -n $lv2 $vg
+
+lvs -ao+seg_pe_ranges $vg
+
+pvmove -i0 --alloc anywhere  "$dev1:12-19" "$dev1"
+
+lvs -ao+seg_pe_ranges,seg_size_pe $vg
+
+# both LVs  should have now 2 segments  12extents + 4extents
+lvs --noheadings -oseg_size_pe $vg > out
+test 2 -eq "$(grep 12 out | wc -l)"
+test 2 -eq "$(grep 4 out | wc -l)"
+
+lvremove -ff $vg