3 files changed, 67 insertions, 2 deletions
diff --git a/tests/runfiles/common.run b/tests/runfiles/common.run
index d6d3874f6..943bb6b71 100644
--- a/tests/runfiles/common.run
+++ b/tests/runfiles/common.run
@@ -95,7 +95,7 @@ tags = ['functional', 'clean_mirror']
 
 [tests/functional/cli_root/zdb]
 tests = ['zdb_001_neg', 'zdb_002_pos', 'zdb_003_pos', 'zdb_004_pos',
-    'zdb_005_pos', 'zdb_006_pos']
+    'zdb_005_pos', 'zdb_006_pos', 'zdb_checksum']
 pre =
 post =
 tags = ['functional', 'cli_root', 'zdb']
diff --git a/tests/zfs-tests/tests/functional/cli_root/zdb/Makefile.am b/tests/zfs-tests/tests/functional/cli_root/zdb/Makefile.am
index d37bcf607..0c4de2b25 100644
--- a/tests/zfs-tests/tests/functional/cli_root/zdb/Makefile.am
+++ b/tests/zfs-tests/tests/functional/cli_root/zdb/Makefile.am
@@ -5,4 +5,5 @@ dist_pkgdata_SCRIPTS = \
 	zdb_003_pos.ksh \
 	zdb_004_pos.ksh \
 	zdb_005_pos.ksh \
-	zdb_006_pos.ksh
+	zdb_006_pos.ksh \
+	zdb_checksum.ksh
diff --git a/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_checksum.ksh b/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_checksum.ksh
new file mode 100755
index 000000000..9bc3603d4
--- /dev/null
+++ b/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_checksum.ksh
@@ -0,0 +1,64 @@
+#!/bin/ksh
+
+#
+# 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) 2019 by Datto, Inc. All rights reserved.
+#
+
+. $STF_SUITE/include/libtest.shlib
+
+#
+# Description:
+# zdb -c will display the same checksum as -ddddddbbbbbb
+#
+# Strategy:
+# 1. Create a pool
+# 2. Write some data to a file
+# 3. Run zdb -ddddddbbbbbb against the file
+# 4. Record the checksum and DVA of L0 block 0
+# 5. Run zdb -R with :c flag and match the checksum
+
+
+function cleanup
+{
+	datasetexists $TESTPOOL && destroy_pool $TESTPOOL
+}
+
+log_assert "Verify zdb -R generates the correct checksum."
+log_onexit cleanup
+init_data=$TESTDIR/file1
+write_count=8
+blksize=131072
+verify_runnable "global"
+verify_disk_count "$DISKS" 2
+
+default_mirror_setup_noexit $DISKS
+file_write -o create -w -f $init_data -b $blksize -c $write_count
+
+# get object number of file
+listing=$(ls -i $init_data)
+set -A array $listing
+obj=${array[0]}
+log_note "file $init_data has object number $obj"
+
+output=$(zdb -ddddddbbbbbb $TESTPOOL/$TESTFS $obj 2> /dev/null \
+    |grep -m 1 "L0 DVA" |head -n1)
+dva=$(grep -oP 'DVA\[0\]=<\K.*?(?=>)' <<< "$output")
+log_note "block 0 of $init_data has a DVA of $dva"
+cksum_expected=$(grep -oP '(?<=cksum=)[ A-Za-z0-9:]*' <<< "$output")
+log_note "expecting cksum $cksum_expected"
+output=$(zdb -R $TESTPOOL $dva:c 2> /dev/null)
+result=$(grep $cksum_expected <<< "$output")
+(( $? != 0 )) && log_fail "zdb -R failed to print the correct checksum"
+
+log_pass "zdb -R generates the correct checksum"