using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Azimuth;
using Azimuth.Splines;
using Azimuth.Shapes;

namespace Azimuth.UnitTests.Splines
{
    public class QuadraticSplineTests : UnitTestSharp.TestFixture
    {
        public void ScalarTest()
        {
            var spline = new QuadraticSpline<Scalar>(2, 1, -5);

            CheckEqual(5, spline.EvaluateAt(2));
        }

        public void VectorTest()
        {
            var spline = new QuadraticSpline<Vector>(new Vector(1, -2), new Vector(-1, -1), new Vector(10, 20));

            CheckEqual(new Vector(100, -190), spline.EvaluateAt(10));
        }

        public void AABB_ScalarTest()
        {
            var spline = new QuadraticSpline<Scalar>(2, 1, -5);
            var range = new Interval(-2, 2);

            var expected = new AABB<Scalar>(-5.125, 5);
            var observed = spline.GetAABB(range);
            CheckEqual(expected, observed);
        }

        public void AABB_VectorTest()
        {
            var spline = new QuadraticSpline<Vector>(new Vector(2, 1), new Vector(1, 4), new Vector(-5, 3));
            var range = new Interval(-2, 2);

            var expected = new AABB<Vector>(new Vector(-5.125,-1), new Vector(5,15));
            var observed = spline.GetAABB(range);
            CheckEqual(expected, observed);
        }
    }
}