1 files changed, 121 insertions, 0 deletions
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.list_holds.ksh b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.list_holds.ksh
new file mode 100755
index 000000000000..2a471bdecbfc
--- /dev/null
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.list_holds.ksh
@@ -0,0 +1,121 @@
+#!/bin/ksh -p
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2017 by Delphix. All rights reserved.
+#
+
+. $STF_SUITE/tests/functional/channel_program/channel_common.kshlib
+
+#
+# DESCRIPTION:
+#       Listing zfs holds should work correctly.
+#
+
+verify_runnable "global"
+
+TESTHOLD=testhold-tag
+TESTHOLD1=$TESTHOLD-1
+TESTHOLD2=$TESTHOLD-2
+TESTHOLD3=$TESTHOLD-3
+SNAP=$TESTPOOL/$TESTFS@$TESTSNAP
+
+function cleanup
+{
+	holdexists $TESTHOLD $SNAP && log_must zfs release $TESTHOLD $SNAP
+	holdexists $TESTHOLD1 $SNAP && log_must zfs release $TESTHOLD1 $SNAP
+	holdexists $TESTHOLD2 $SNAP && log_must zfs release $TESTHOLD2 $SNAP
+	holdexists $TESTHOLD3 $SNAP && log_must zfs release $TESTHOLD3 $SNAP
+	destroy_snapshot
+}
+
+log_onexit cleanup
+
+create_snapshot
+
+# 0 holds handled correctly
+log_must_program $TESTPOOL - <<-EOF
+	n = 0
+	for s in zfs.list.holds("$SNAP") do
+		n = n + 1
+	end
+	assert(n == 0)
+	return 0
+EOF
+
+# Create a hold
+log_must zfs hold $TESTHOLD $SNAP
+
+log_must_program $TESTPOOL - <<-EOF
+	n = 0
+	for s in zfs.list.holds("$SNAP") do
+		assert(s == "$TESTHOLD")
+		n = n + 1
+	end
+	assert(n == 1)
+	return 0
+EOF
+
+log_must zfs hold $TESTHOLD1 $SNAP
+log_must zfs hold $TESTHOLD2 $SNAP
+log_must zfs hold $TESTHOLD3 $SNAP
+
+# All holds appear exactly once
+log_must_program $TESTPOOL - <<-EOF
+	a = {}
+	a["$TESTHOLD"] = false
+	a["$TESTHOLD1"] = false
+	a["$TESTHOLD2"] = false
+	a["$TESTHOLD3"] = false
+	n = 0
+	for s in zfs.list.holds("$SNAP") do
+		assert(not a[s])
+		a[s] = true
+		n = n + 1
+	end
+	assert(n == 4)
+	assert(a["$TESTHOLD"] and
+	    a["$TESTHOLD1"] and
+	    a["$TESTHOLD2"] and
+	    a["$TESTHOLD3"])
+	return 0
+EOF
+
+# Nonexistent input
+log_mustnot_program $TESTPOOL - <<-EOF
+	zfs.list.holds("$TESTPOOL/nonexistent-fs@nonexistent-snap")
+	return 0
+EOF
+log_mustnot_program $TESTPOOL - <<-EOF
+	zfs.list.holds("nonexistent-pool/$TESTFS")
+	return 0
+EOF
+
+# Can't look in a different pool than the one specified on command line
+log_mustnot_program $TESTPOOL - <<-EOF
+	zfs.list.holds("testpool2")
+	return 0
+EOF
+
+# Can't have holds on filesystems
+log_mustnot_program $TESTPOOL - <<-EOF
+	zfs.list.holds("$TESTPOOL/$TESTFS")
+	return 0
+EOF
+
+# Can't have holds on bookmarks
+log_mustnot_program $TESTPOOL - <<-EOF
+	zfs.list.holds("$TESTPOOL/$TESTFS#bookmark")
+	return 0
+EOF
+
+log_pass "Listing zfs holds should work correctly."