#!/bin/sh

# small examples

. "${srcdir=.}/init.sh"; path_prepend_ ../src

fail=0

cat <<EOF > exp- || fail=1

1c1

< a

---

> b

EOF

cat <<EOF > exp--u || fail=1

--- a

+++ b

@@ -1 +1 @@

-a

+b

EOF

cat <<EOF > exp--c || fail=1

*** a

--- b

***************

*** 1 ****

! a

--- 1 ----

! b

EOF

echo a > a

echo b > b

for opt in '' -u -c; do

  returns_ 1 diff $opt a b > out 2> err || fail=1

  # Remove date and time.

  sed -e 's/^\([-+*][-+*][-+*] [^	]*\)	.*/\1/' out > k; mv k out

  compare exp-$(echo $opt|tr ' ' _) out || fail=1

done

Exit $fail