#!/usr/local/bin/ksh93 -p
#
# CDDL HEADER START
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# Common Development and Distribution License (the "License").
# You may not use this file except in compliance with the License.
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# $FreeBSD: releng/12.3/tests/sys/cddl/zfs/tests/mmap/mmap_read_001_pos.ksh 329867 2018-02-23 16:31:00Z asomers $

#
# Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
# Use is subject to license terms.
#
# ident	"@(#)mmap_read_001_pos.ksh	1.3	09/01/12 SMI"
#
. $STF_SUITE/include/libtest.kshlib

###########################################################################
#
# __stc_assertion_start
#
# ID: read_mmap_001_pos
#
# DESCRIPTION:
# read()s from mmap()'ed file contain correct data.
#
# STRATEGY:
# 1. Create a pool & dataset
# 2. Call readmmap binary
# 3. unmount this file system
# 4. Verify the integrity of this pool & dateset
#
# TESTABILITY: explicit
#
# TEST_AUTOMATION_LEVEL: automated
#
# CODING_STATUS: COMPLETED (2005-07-04)
#
# __stc_assertion_end
#
################################################################################

verify_runnable "global"

log_assert "read()s from mmap()'ed file contain correct data."

log_must $CHMOD 777 $TESTDIR 
log_must $READMMAP $TESTDIR/$TESTFILE
log_must $ZFS unmount $TESTPOOL/$TESTFS

typeset dir=$(get_device_dir $DISKS)
verify_filesys "$TESTPOOL" "$TESTPOOL/$TESTFS" "$dir"

log_pass "read(2) calls from a mmap(2)'ed file succeeded."
