#! /bin/sh

#
# Test for the null string.
# Reproductivity test.
#

sary=../src/sary
mksary=../src/mksary

# Must produce the same contents.
for file in COPYING; do
    cat -n ../$file > tmp.$file
    $mksary -q  tmp.$file
    $sary     "" tmp.$file > tmp.$file.sary1
    $sary -i  "" tmp.$file > tmp.$file.sary2
    $sary -C  "" tmp.$file > tmp.$file.sary3
    $sary -iC "" tmp.$file > tmp.$file.sary4
    cmp tmp.$file       tmp.$file.sary1 || exit 1
    cmp tmp.$file.sary1 tmp.$file.sary2 || exit 1
    cmp tmp.$file.sary2 tmp.$file.sary3 || exit 1
    cmp tmp.$file.sary3 tmp.$file.sary4 || exit 1
done

exit 0