package MyRect;
use base 'SDL::Rect';
sub new {
        my $class = shift;
        my $self  = $class->SUPER::new(@_);
        unless ( ref $self ) {
                require Carp;
                Carp::confess SDL::GetError();
        }
        return bless $self => $class;
}
sub foo {
        my $self = shift;
        return $self->x;
}
package main;
use Test::More tests => 6;
my $rect = MyRect->new( 0, 0, 0, 0 );
isa_ok( $rect, 'SDL::Rect' );
isa_ok( $rect, 'MyRect' );
can_ok( $rect, qw(x y w h) );
can_ok( $rect, qw(new foo) );
$rect->x(10);
is( $rect->x,   10 );
is( $rect->foo, 10 );
sleep(2);