#!/bin/bash

[ -f testing.sh ] && . testing.sh

#testing "name" "command" "result" "infile" "stdin"

testing "" "tr 1 2" "223223223" "" "123123123"
testing "-d" "tr -d 1" "232323" "" "123123123"
testing "-s" "tr -s 1" "12223331222333" "" "111222333111222333"
testing "-t" "tr -t 1234 567" "5674" "" "1234"
testing "-t one arg" "tr -t 1234" "1234" "" "1234"

testing "no pathological flushing" "seq 10000000 | tr 1 2 > /dev/null" "" "" ""