using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Annulus.DeprecatedShapes;
using Lodestone.DiscreteCollisionDetection;
using Azimuth;

namespace Lodestone.UnitTests.DiscreteCollisionDetection
{
    public class CircleToCircleTests : UnitTestSharp.TestFixture
    {
        public class CirclesOverlapTests : UnitTestSharp.TestFixture
        {
            public void Touching()
            {
                var circle1 = new Circle(5.0);
                var circle2 = new Circle(5.0);

                CheckFalse(CircleToCircle.CirclesOverlap(Vector.Zero, circle1, new Vector(10, 0), circle2));
            }

            public void Non_Intersection()
            {
                var circle1 = new Circle(5.0);
                var circle2 = new Circle(5.0);

                CheckFalse(CircleToCircle.CirclesOverlap(Vector.Zero, circle1, new Vector(11, 0), circle2));
            }

            public void Intersection()
            {
                var circle1 = new Circle(5.0);
                var circle2 = new Circle(5.0);

                Check(CircleToCircle.CirclesOverlap(Vector.Zero, circle1, new Vector(5, 0), circle2));
            }

            public void Cocentric()
            {
                var circle1 = new Circle(5.0);
                var circle2 = new Circle(1.0);

                Check(CircleToCircle.CirclesOverlap(Vector.Zero, circle1, Vector.Zero, circle2));
            }
        }
    }
}