#!/bin/bash

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

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

echo -e "one" > file1 
echo -e "two" > file2
testing "rev" "rev && echo yes" "orez\nyes\n" "" "zero\n"
testing "rev -" "rev - && echo yes" "orez\nyes\n" "" "zero\n"
testing "rev file1 file2" "rev file1 file2" "eno\nowt\n" "" ""
testing "rev - file"      "rev - file1"     "orez\neno\n" "" "zero\n"
testing "rev file -"      "rev file1 -"     "eno\norez\n" "" "zero\n"
testing "rev no trailing newline" "rev -" "cba\nfed\n" "" "abc\ndef"

testing "rev file1 notfound file2" \
        "rev file1 notfound file2 2>stderr && echo ok ; cat stderr; rm stderr" \
        "eno\nowt\nrev: notfound: No such file or directory\n" "" ""

testing "rev different input sizes"\
        "rev"\
        "\n1\n21\n321\n4321\n54321\n4321\n321\n21\n1\n\n"\
        "" "\n1\n12\n123\n1234\n12345\n1234\n123\n12\n1\n\n"

rm file1 file2