MonoGame.Extended/Source/Tests/MonoGame.Extended.Tests/Particles/Profiles/RingProfileTests.cs

//using System;
//using Microsoft.Xna.Framework;
//using MonoGame.Extended.Particles.Profiles;
//using Xunit;

//namespace MonoGame.Extended.Tests.Particles.Profiles
//{
//    
//    public class RingProfileTests
//    {
//        [Fact]
//        public void ReturnsOffsetEqualToRadius()
//        {
//            var subject = new RingProfile
//            {
//                Radius = 10f
//            };
//            Vector2 offset, heading;
//            subject.GetOffsetAndHeading(out offset, out heading);

//            var length = Math.Sqrt(offset.X * offset.X + offset.Y * offset.Y);
//            Assert.Equal(10f, length, 0.000001);
//        }

//        [Fact]
//        public void WhenRadiateIsTrue_HeadingIsEqualToNormalizedOffset()
//        {
//            var subject = new RingProfile
//            {
//                Radius = 10f,
//                Radiate = Profile.CircleRadiation.Out
//            };
//            Vector2 offset, heading;
//            subject.GetOffsetAndHeading(out offset, out heading);

//            Assert.Equal(heading.X, offset.X / 10, 0.000001);
//            Assert.Equal(heading.Y, offset.Y / 10, 0.000001);

//        }

//    }
//}