#!/bin/sh
# Test --new-file (-N) and --unidirectional-new-file.

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

fail=0

echo a > a || fail=1

echo '0a1
> a' > exp || fail=1

returns_ 1 diff -N - a <&- > out || fail=1
compare exp out || fail=1

returns_ 1 diff --unidirectional-new-file - a <&- > out || fail=1
compare exp out || fail=1

returns_ 1 diff -N b - < a > out || fail=1
compare exp out || fail=1

returns_ 1 diff --unidirectional-new-file b - < a > out || fail=1
compare exp out || fail=1

echo '1d0
< a' > exp || fail=1

returns_ 1 diff -N a - <&- > out || fail=1
compare exp out || fail=1

# With closed standard input, require an exit status of 2
# and empty stdout.
returns_ 2 diff --unidirectional-new-file a - <&- > out || fail=1
compare /dev/null out || fail=1

returns_ 1 diff -N - b < a > out || fail=1
compare exp out || fail=1

returns_ 2 diff --unidirectional-new-file - b < a > out || fail=1

Exit $fail