#!/bin/sh
#
# Make sure -S stops at the given size.

rm -f $TMP1 $TMP2 2>/dev/null

# exit on non-zero return codes
set -e

# generate some data
dd if=/dev/urandom of=$TMP1 bs=1024 count=10 2>/dev/null

# read through pv and test afterwards
$PROG -S -s 5120 -q $TMP1 > $TMP2

CKSUM2=`cksum $TMP2 | awk '{print $1}'`

# take the first 5120 bytes of TMP1 and cksum them
rm -f $TMP2
dd if=$TMP1 of=$TMP2 bs=1024 count=5 2>/dev/null
CKSUM1=`cksum $TMP2 | awk '{print $1}'`

test "x$CKSUM1" = "x$CKSUM2"

# clean up
rm -f $TMP1 $TMP2 2>/dev/null

# EOF