#!/usr/bin/env perl -l

use strict;
use warnings;
use constant STRING => " \t aaa bbb ccc \t \n";

use Benchmark 'cmpthese';

print 'Sanity Tests:';
print 'shoura:    >', shoura_code(),   '<';
print 'kcott:     >', kcott_code(),    '<';
print 'marshall:  >', marshall_code(), '<';

cmpthese 0 => {
    S => \&shoura_code,
    K => \&kcott_code,
    M => \&marshall_code,
};

sub shoura_code {
    local $_ = STRING;

    chomp;
    s/^\s+|\s+$//g;

    return $_;
}

sub kcott_code {
    local $_ = STRING;

    ($_) = /^\s*(.*?)\s*$/;

    return $_;
}

sub marshall_code {
    local $_ = STRING;

    s/^\s+//;
    s/\s+$//;

    return $_;
}