#!/usr/bin/env perl

use strict;
use warnings;

use List::Util 1.45 'uniqstr';
use Test::More;

my @tests = (
    ['abc', abcdefa => 0],
    ['def', abcdefa => 1],
    ['abc', abcdef => 1],
    ['xyz', xyz => 1],
    ['xyz', zzz => 0],
    ['xy',  zzz => 1],
);

plan tests => 0+@tests;

for my $test (@tests) {
    my ($tmpl, $str, $exp) = @$test;
    my %tmpls = map +($_ => 1), split //, $tmpl;
    my @chars = split //, $str;
    my @tmpl_chars = grep exists $tmpls{$_}, @chars;
    is 0+@tmpl_chars == uniqstr(@tmpl_chars), !!$exp;
}