#!perl -T
use strict;
use warnings;
use Test::More tests => 23;
use Test::Deep;
use Games::Word qw/random_string_from/;

is(random_string_from("", 0), "",
   "0 length random_string_from an empty string");
eval { random_string_from("", 5) };
like($@, qr/invalid letter list/,
     "random_string_from an empty string");
is(random_string_from("abcde", 0), "",
   "0 length random_string_from");
my @letters = qw/a b c d e/;
for my $i (1..10) {
    my $str = random_string_from join('', @letters), $i;
    is(length $str, $i, "random_string_from returns the correct length");
    my $bag = subbagof();
    $bag->add(@letters) for 1..$i;
    cmp_deeply([split(//, $str)], $bag, "random test of random_string_from");
}