#!/usr/bin/perl
use strict;
use warnings;
use Test::More;
use String::Tagged;
my $str = String::Tagged->new( "Hello, world" );
is( sprintf( "%s", $str ),
"Hello, world",
'STRINGify operator' );
my $s = $str . "!";
is( $s->str, "Hello, world!", 'concat after' );
$s = "I say, " . $str;
is( $s->str, "I say, Hello, world", 'concat before' );
$str .= "!";
is( $str->str, "Hello, world!", 'str after .= operator' );
done_testing;