#!/bin/sh

execdir="$PWD"

if [ -z "$srcdir" ] || [ "." = "$srcdir" ]; then
  srcdir="$PWD"
  TESTDATA="$srcdir/tests"
else
  srcdir="$PWD/$srcdir"
  TESTDATA="$srcdir/tests"
fi

TESTROOT="$PWD"

testname=$(basename $0)
rm -f "$testname.log"
rm -rf "run$testname"

mkdir "run$testname" && cd "run$testname" || { echo "ERROR: Could not change to test directory" ; exit 1; } >&2

banner="genereate datafile with 2000 random bytes"
dashes=`echo "$banner" | sed s/./-/g`

echo $dashes
echo $banner
echo $dashes

dd bs=1000 count=2 if=/dev/urandom of=myfile.dat

banner="Creating PAR 2.0 recovery data"
dashes=`echo "$banner" | sed s/./-/g`

echo $dashes
echo $banner
echo $dashes

"$execdir/par2" c -s1000 -c0 recovery myfile.dat || { echo "ERROR: Creating PAR 2.0 data failed" ; exit 1; } >&2

banner="split files"
dashes=`echo "$banner" | sed s/./-/g`

echo $dashes
echo $banner
echo $dashes

dd bs=1000 count=1 if=myfile.dat of=myfile.dat.001
dd bs=1000 count=1 skip=1 if=myfile.dat of=myfile.dat.002

rm myfile.dat

banner="Repairing using PAR 2.0 data"
dashes=`echo "$banner" | sed s/./-/g`

echo $dashes
echo $banner
echo $dashes

"$execdir/par2" r recovery.par2 ./* || { echo "ERROR: PAR 2.0 repair failed" ; exit 1; } >&2

cd "$TESTROOT"
rm -rf "run$testname"

exit 0;

