1 files changed, 51 insertions, 0 deletions
diff --git a/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_002_pos.ksh b/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_002_pos.ksh
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+++ b/tests/zfs-tests/tests/functional/cli_root/zdb/zdb_002_pos.ksh
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+#!/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) 2015 by Delphix. All rights reserved.
+#
+
+. $STF_SUITE/include/libtest.shlib
+
+#
+# Description:
+# zdb will accurately count the feature refcount for pools with and without
+# features enabled.
+#
+# Strategy:
+# 1. Create a pool, and collect zdb output for the pool.
+# 2. Verify there are no 'feature refcount mismatch' messages.
+# 3. Repeat for a pool with features disabled.
+#
+
+log_assert "Verify zdb accurately counts feature refcounts."
+log_onexit cleanup
+
+typeset errstr="feature refcount mismatch"
+typeset tmpfile="$TEST_BASE_DIR/zdb-feature-mismatch"
+function cleanup
+{
+	datasetexists $TESTPOOL && destroy_pool $TESTPOOL
+	grep "$errstr" $tmpfile
+	rm -f $tmpfile
+}
+
+for opt in '' -d; do
+	log_must zpool create -f $opt $TESTPOOL ${DISKS%% *}
+	log_must eval "zdb $TESTPOOL >$tmpfile"
+	grep -q "$errstr" $tmpfile && \
+	    log_fail "Found feature refcount mismatches in zdb output."
+	destroy_pool $TESTPOOL
+done
+
+log_pass "zdb accurately counts feature refcounts."