#!/bin/sh
# This test would fail with tail from pre-1.22i textutils.

if test "$VERBOSE" = yes; then
  set -x
  tail --version
fi

tmp=tail-inf1.$$
pwd=`pwd`
trap "cd $pwd; rm -rf $tmp" 0 1 2 3 15

test_failure=0
mkdir $tmp || test_failure=1
cd $tmp || test_failure=1

if test $test_failure = 1; then
  echo 'failure in testing framework'
  exit 1
fi

yes > t &
yes_pid=$!
while :; do
  test -s t && break
done
tail -n 1 t &
tail_pid=$!
kill $yes_pid
sleep 1
kill $tail_pid