#!/bin/sh

# Check that grep skips reading in some cases.

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

fail=0

echo /dev/null >exp || framework_failure_

for opts in '-m0 y' '-f /dev/null' '-v ""'; do

  for matcher in '' -E -F; do

    for file in /dev/null no-such-file; do

      eval returns_ 1 grep $opts $matcher no-such-file > out || fail=1

      compare /dev/null out || fail=1

      eval returns_ 1 grep -l $opts $matcher /dev/null > out || fail=1

      compare /dev/null out || fail=1

    done

    eval returns_ 1 grep -L $opts $matcher /dev/null > out || fail=1

    compare exp out || fail=1

  done

done

Exit $fail