#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2000-2001 Silicon Graphics, Inc.  All Rights Reserved.
#
# FS QA Test No. 014
#
# truncfile
#
seq=`basename $0`
seqres=$RESULT_DIR/$seq
echo "QA output created by $seq"

here=`pwd`
tmp=/tmp/$$
status=0	# success is the default!
trap "_cleanup; exit \$status" 0 1 2 3 15

_cleanup()
{
    cd /
    rm -f $tmp.*
    rm -rf $TEST_DIR/truncfile.$$.*
}

# get standard environment, filters and checks
. ./common/rc
. ./common/filter

_supported_fs generic
_supported_os Linux

_require_test
_require_sparse_files

# ensure EOF preallocation doesn't massively extend the runtime of this test
# by limiting the amount of preallocation and therefore the amount of blocks
# zeroed during the truncfile test run.
if [ "$FSTYP" == "xfs" ]; then
	_test_unmount
	_test_mount -o allocsize=64k
fi

echo "brevity is wit..."

echo "------"
echo "test 1"
echo "------"
$here/src/truncfile -c 10000 $TEST_DIR/truncfile.$$.0 >$tmp.out 2>&1
ret=$?
if [ "$ret" -ne 0 ]; then
	out=`cat $tmp.out`
	echo "truncfile returned $ret : \"$out\""
else
	echo "OK"
fi

exit