#!/bin/ksh -p
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License (the "License").
# You may not use this file except in compliance with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or https://opensource.org/licenses/CDDL-1.0.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
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#
# Copyright (C) 2019 Aleksa Sarai <cyphar@cyphar.com>
# Copyright (C) 2019 SUSE LLC
#

. $STF_SUITE/include/libtest.shlib

verify_runnable "both"

function cleanup
{
	log_must rm -rf $TESTDIR/*
}

log_assert "ZFS supports RENAME_WHITEOUT."
log_onexit cleanup

cd $TESTDIR
echo "whiteout" > whiteout

# Straight-forward rename-with-whiteout.
log_must renameat2 -w whiteout new
# Check new file.
log_must grep '^whiteout$' new
# Check that the whiteout is actually a {0,0} char device.
log_must grep '^character special file:0:0$' <<<"$(stat -c '%F:%t:%T' whiteout)"

log_pass "ZFS supports RENAME_WHITEOUT as expected."
