# execute code within Test::Hump-ish box
$self->{-capture}{-stdout}->start();        # STDOUT captured
$self->{-capture}{-stderr}->start();        # STDERR captured
{
    try {
        $self->{-got}{-return}  = &$self->{coderef}( $self->{-inparms} );
    }
    catch {
        $self->{-got}{-evalerr} = $_;
    };
    
}
$self->{-capture}{-stdout}->stop();         # not captured
$self->{-capture}{-stderr}->stop();         # not captured