tests: check for boundary allocation sizes

test/shell/lvcreate-thin-limits.sh

@@ -0,0 +1,36 @@
+#!/usr/bin/env bash
+
+# Copyright (C) 2020 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 allocation of thin-pool on limiting extents number
+
+SKIP_WITH_LVMPOLLD=1
+
+export LVM_TEST_THIN_REPAIR_CMD=${LVM_TEST_THIN_REPAIR_CMD-/bin/false}
+
+. lib/inittest
+
+#
+# Main
+#
+aux have_thin 1 0 0 || skip
+which mkfs.ext4 || skip
+
+aux prepare_pvs 1 16777216
+get_devs
+
+vgcreate $SHARED -s 4K "$vg" "${DEVICES[@]}"
+
+not lvcreate -T -L15.995T -vvvv --poolmetadatasize 5G $vg/pool
+
+lvs -ao+seg_pe_ranges $vg
+
+vgremove -ff $vg