1 files changed, 80 insertions, 0 deletions
diff --git a/sys/contrib/openzfs/tests/zfs-tests/tests/functional/cli_root/zfs_diff/zfs_diff_cliargs.ksh b/sys/contrib/openzfs/tests/zfs-tests/tests/functional/cli_root/zfs_diff/zfs_diff_cliargs.ksh
new file mode 100755
index 000000000000..c4b42afee472
--- /dev/null
+++ b/sys/contrib/openzfs/tests/zfs-tests/tests/functional/cli_root/zfs_diff/zfs_diff_cliargs.ksh
@@ -0,0 +1,80 @@
+#!/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 2017, loli10K <ezomori.nozomu@gmail.com>. All rights reserved.
+#
+
+. $STF_SUITE/include/libtest.shlib
+
+#
+# DESCRIPTION:
+# 'zfs diff' should only work with supported options.
+#
+# STRATEGY:
+# 1. Create two snapshots
+# 2. Verify every supported option is accepted
+# 3. Verify supported options raise an error with unsupported arguments
+# 4. Verify other unsupported options raise an error
+#
+
+verify_runnable "both"
+
+function cleanup
+{
+	for snap in $TESTSNAP1 $TESTSNAP2; do
+		if snapexists "$snap"; then
+			log_must zfs destroy "$snap"
+		fi
+	done
+}
+
+log_assert "'zfs diff' should only work with supported options."
+log_onexit cleanup
+
+typeset goodopts=("" "-F" "-H" "-t" "-FH" "-Ft" "-Ht" "-FHt")
+typeset badopts=("-f" "-h" "-h" "-T" "-Fx" "-Ho" "-tT" "-")
+
+DATASET="$TESTPOOL/$TESTFS"
+TESTSNAP1="$DATASET@snap1"
+TESTSNAP2="$DATASET@snap2"
+
+# 1. Create two snapshots
+log_must zfs snapshot "$TESTSNAP1"
+log_must zfs snapshot "$TESTSNAP2"
+
+# 2. Verify every supported option is accepted
+for opt in ${goodopts[@]}
+do
+	log_must zfs diff $opt "$TESTSNAP1"
+	log_must zfs diff $opt "$TESTSNAP1" "$DATASET"
+	log_must zfs diff $opt "$TESTSNAP1" "$TESTSNAP2"
+done
+
+# 3. Verify supported options raise an error with unsupported arguments
+for opt in ${goodopts[@]}
+do
+	log_mustnot zfs diff $opt
+	log_mustnot zfs diff $opt "$DATASET"
+	log_mustnot zfs diff $opt "$DATASET@noexists"
+	log_mustnot zfs diff $opt "$DATASET" "$TESTSNAP1"
+	log_mustnot zfs diff $opt "$TESTSNAP2" "$TESTSNAP1"
+done
+
+# 4. Verify other unsupported options raise an error
+for opt in ${badopts[@]}
+do
+	log_mustnot zfs diff $opt "$TESTSNAP1" "$DATASET"
+	log_mustnot zfs diff $opt "$TESTSNAP1" "$TESTSNAP2"
+done
+
+log_pass "'zfs diff' only works with supported options."