using UnitTestSharp;

namespace Blacklight.Bezier.UnitTests
{
    public class ShellSampleTests : TestFixture
    {
        public class CtorTests : TestFixture
        {
            public void AssignsAllFourFields()
            {
                var sample = new ShellSample(1, 2, 3, 4);
                CheckEqual(1.0, sample.X);
                CheckEqual(2.0, sample.Y);
                CheckEqual(3.0, sample.Phi);
                CheckEqual(4.0, sample.End);
            }
        }

        public class FromPositionTests : TestFixture
        {
            public void DerivesPhiFromThePosition()
            {
                ShellSample sample = ShellSample.FromPosition(3, 4, 10);
                CheckEqual(3.0, sample.X);
                CheckEqual(4.0, sample.Y);
                CheckEqual(-0.5, sample.Phi);
                CheckEqual(10.0, sample.End);
            }
        }
    }
}