using NUnit.Framework;
using FluentAssertions;
using MoonTools.Bonk;
using System.Numerics;

namespace Tests
{
    public class AABB3DTest
    {
        [Test]
        public void Overlapping()
        {
            var a = new AABB3D(new Vector3(-1, -1, -1), new Vector3(1, 1, 1));
            var b = new AABB3D(new Vector3(0, 0, 0), new Vector3(2, 2, 2));

            AABB3D.TestOverlap(a, b).Should().BeTrue();

            var c = new AABB3D(-2, -2, 2, 2, 1, 2);
            var d = new AABB3D(-2, -2, 2, 2, 2, 2);

            AABB3D.TestOverlap(c, d).Should().BeTrue();
        }

        [Test]
        public void NotOverlapping()
        {
            var a = new AABB3D(new Vector3(-1, -1, -1), new Vector3(1, 1, 1));
            var b = new AABB3D(new Vector3(-3, -3, -3), new Vector3(-2, -2, -1));

            AABB3D.TestOverlap(a, b).Should().BeFalse();
        }

        [Test]
        public void Merge()
        {
            var a = new AABB3D(new Vector3(-1, -1, -1), new Vector3(2, 2, 2));
            var b = new AABB3D(new Vector3(-2, -2, -1), new Vector3(3, 1, 3));

            a.Merge(b).Should().Be(new AABB3D(new Vector3(-2, -2, -1), new Vector3(3, 2, 3)));
        }
    }
}