public void UpdateCollisionTest()
{
WorldObject object1 = new WorldObject();
object1.Position = new Vector2(0.0f, 0.0f);
object1.Radius = 0.51f;
WorldObject object2 = new WorldObject();
object2.Position = new Vector2(0.0f, 1.0f);
object2.Radius = 0.5f;
WorldObject object3 = new WorldObject();
object3.Position = new Vector2(200, 200);
object3.Radius = 0.3f;
WorldObject object4 = new WorldObject();
object4.Position = new Vector2(200, 201);
object4.Radius = 0.8f;
WorldObject object5 = new WorldObject();
object5.Position = new Vector2(200, 200.5f);
object5.Radius = 0.1f;
world.AddWorldObject(object1);
world.AddWorldObject(object2);
mockCollisionHandler.Setup(m => m.OnCollision(object1, object2));
target = new SimplePhysicsAlgorithm(mockCollisionHandler.Object, world, configuration);
target.Update(new GameTime(new TimeSpan(0, 0, 10, 3, 0), new TimeSpan(0, 0, 0, 0, 1)));
world.AddWorldObject(object3);
world.AddWorldObject(object4);
world.AddWorldObject(object5);
target.Update(new GameTime(new TimeSpan(0, 0, 10, 3, 1), new TimeSpan(0, 0, 0, 0, 1)));
mockCollisionHandler.Verify(m => m.OnCollision(object1, object2), Times.Exactly(1));
mockCollisionHandler.Verify(m => m.OnCollision(object3, object4), Times.Exactly(1));
mockCollisionHandler.Verify(m => m.OnCollision(object4, object5), Times.Exactly(1));
}