use strict;
use warnings;
use Box2D;
use Test::More;

my $gravity = Box2D::b2Vec2->new(0,-10);
my $world = Box2D::b2World->new($gravity, 1);
isa_ok( $world, "Box2D::b2World");

my $test = $world->GetGravity();

is( $test->x, 0 );
is( $test->y, -10 );

my $foo = Box2D::b2Vec2->new(0,1);
$world->SetGravity($foo);

$test = $world->GetGravity();

is( $test->x, 0 );
is( $test->y, 1 );




done_testing;