using System;
using Chernobyl.Mathematics.Movement;
using NUnit.Framework;

namespace Chernobyl.Mathematics.Geometry
{
    [TestFixture, Description("Tests for the LineSegment type.")]
    public class LineSegmentImplementationTests : LineSegmentTests
    {
        //-----------------------------------------------------------------
        // Constructor Tests
        //-----------------------------------------------------------------

        [Test, Description("A test to ensure that LineSegment(ITransform, ITransform) " +
            "throws an ArgumentNullException if the first argument is null.")]
        public void ConstructorFirstArgumentNullExceptionTest()
        {
            Assert.Throws<ArgumentNullException>(() => CreateLineSegment(null, new MatrixTransform()));
        }

        [Test, Description("A test to ensure that LineSegment(ITransform, ITransform) " +
            "throws an ArgumentNullException if the second argument is null.")]
        public void ConstructorSecondArgumentNullExceptionTest()
        {
            Assert.Throws<ArgumentNullException>(() => CreateLineSegment(new MatrixTransform(), null));
        }

        protected override ILineSegment CreateLineSegment(ITransform point1, ITransform point2)
        {
            return new LineSegment(point1, point2);
        }
    }
}