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//using System.Collections.Generic;
//using System.Globalization;
//using Microsoft.Xna.Framework;
//using Xunit;
//namespace MonoGame.Extended.Tests.Primitives
//{
//
// public class Ray2Tests
// {
// public IEnumerable<TestCaseData> ConstructorTestCases
// {
// get
// {
// yield return
// new TestCaseData(new Point2(), new Vector2()).SetName(
// "The degenerate ray has the expected position and direction.");
// yield return
// new TestCaseData(new Point2(5, 5), new Vector2(15, 15)).SetName(
// "A non-degenerate ray has the expected position and direction.");
// }
// }
// [Fact]
// [TestCaseSource(nameof(ConstructorTestCases))]
// public void Constructor(Point2 position, Vector2 direction)
// {
// var ray = new Ray2(position, direction);
// Assert.Equal(position, ray.Position);
// Assert.Equal(direction, ray.Direction);
// }
// public IEnumerable<TestCaseData> PositionDirectionTestCases
// {
// get
// {
// yield return
// new TestCaseData(new Ray2(), new Point2(), new Vector2()).SetName(
// "The degenerate ray has the expected position and direction.");
// yield return
// new TestCaseData(new Ray2(new Point2(5, 5), new Vector2(15, 15)), new Point2(5, 5),
// new Vector2(15, 15)).SetName
// (
// "A non-degenerate ray has the expected position and direction.");
// }
// }
// [Fact]
// [TestCaseSource(nameof(PositionDirectionTestCases))]
// public void PositionDirection(Ray2 ray, Point2 expectedPosition, Vector2 expecetedDirection)
// {
// Assert.Equal(expectedPosition, ray.Position);
// Assert.Equal(expecetedDirection, ray.Direction);
// ray.Position.X = 10;
// ray.Position.Y = 10;
// Assert.Equal(new Point2(10, 10), ray.Position);
// ray.Direction.X = -10.123f;
// ray.Direction.Y = 10.123f;
// Assert.Equal(new Vector2(-10.123f, 10.123f), ray.Direction);
// }
// public IEnumerable<TestCaseData> IntersectsBoundingRectangleTestCases
// {
// get
// {
// yield return
// new TestCaseData(new Ray2(), new BoundingRectangle(), true, Point2.Zero, Point2.Zero).SetName(
// "The degenerate ray intersects the empty bounding box.");
// yield return
// new TestCaseData(new Ray2(new Point2(-75, -75), new Vector2(75, -75)),
// new BoundingRectangle(new Point2(), new Size2(50, 50)), false, Point2.NaN, Point2.NaN).SetName(
// "A non-degenerate ray that does not cross a non-empty bounding box does not intersect the bounding box.");
// yield return
// new TestCaseData(new Ray2(new Point2(0, 0), new Vector2(25, 0)), new BoundingRectangle(new Point2(), new Size2(50, 50)),
// true, new Point2(0, 0), new Point2(50, 0)).SetName(
// "A non-degenerate ray starting from inside a non-empty bounding box intersects the bounding box.");
// yield return
// new TestCaseData(new Ray2(new Point2(-100, 0), new Vector2(100, 0)),
// new BoundingRectangle(new Point2(), new Size2(50, 50)),
// true, new Point2(-50, 0), new Point2(50, 0)).SetName(
// "A non-degenerate ray crossing a non-empty bounding box intersects the bounding box.");
// }
// }
// [Fact]
// [TestCaseSource(nameof(IntersectsBoundingRectangleTestCases))]
// public void IntersectsBoundingRectangle(Ray2 ray, BoundingRectangle boundingRectangle, bool expectedResult,
// Point2 firstExpectedIntersectionPoint, Point2 secondExpectedIntersectionPoint)
// {
// float rayNearDistance, rayFarDistance;
// var actualResult = ray.Intersects(boundingRectangle, out rayNearDistance, out rayFarDistance);
// Assert.Equal(expectedResult, actualResult);
// if (actualResult)
// {
// var firstActualIntersectionPoint = ray.Position + ray.Direction * rayNearDistance;
// Assert.Equal(firstExpectedIntersectionPoint, firstActualIntersectionPoint);
// var secondActualIntersectionPoint = ray.Position + ray.Direction * rayFarDistance;
// Assert.Equal(secondExpectedIntersectionPoint, secondActualIntersectionPoint);
// }
// else
// {
// Assert.IsTrue(float.IsNaN(rayNearDistance));
// Assert.IsTrue(float.IsNaN(rayFarDistance));
// }
// }
// public IEnumerable<TestCaseData> EqualityTestCases
// {
// get
// {
// yield return
// new TestCaseData(new Ray2(), new Ray2(), true).SetName("Two degenerate rays are equal.");
// yield return
// new TestCaseData(new Ray2(new Point2(float.MinValue, float.MaxValue),
// new Vector2(float.MaxValue, float.MinValue)), new Ray2(new Point2(float.MaxValue, float.MinValue),
// new Vector2(float.MaxValue, float.MinValue)), false).SetName(
// "Two different non-degenerate rays are not equal.");
// yield return
// new TestCaseData(
// new Ray2(new Point2(float.MinValue, float.MaxValue),
// new Vector2(float.MinValue, float.MaxValue)), new Ray2(new Point2(float.MinValue, float.MaxValue),
// new Vector2(float.MinValue, float.MaxValue)), true)
// .SetName(
// "Two identical non-degenerate rays are equal.");
// }
// }
// [Fact]
// [TestCaseSource(nameof(EqualityTestCases))]
// public void Equality(Ray2 ray1, Ray2 ray2, bool expectedToBeEqual)
// {
// Assert.IsTrue(Equals(ray1, ray2) == expectedToBeEqual);
// Assert.IsTrue(ray1 == ray2 == expectedToBeEqual);
// Assert.IsFalse(ray1 == ray2 != expectedToBeEqual);
// Assert.IsTrue(ray1.Equals(ray2) == expectedToBeEqual);
// if (expectedToBeEqual)
// Assert.Equal(ray1.GetHashCode(), ray2.GetHashCode());
// }
// public IEnumerable<TestCaseData> InequalityTestCases
// {
// get
// {
// yield return
// new TestCaseData(new Ray2(), null, false).SetName("A ray is not equal to a null object.");
// yield return
// new TestCaseData(new Ray2(), new object(), false).SetName(
// "A ray is not equal to an instantiated object.");
// }
// }
// [Fact]
// [TestCaseSource(nameof(InequalityTestCases))]
// public void Inequality(Ray2 ray, object obj, bool expectedToBeEqual)
// {
// Assert.IsTrue(ray.Equals(obj) == expectedToBeEqual);
// }
// public IEnumerable<TestCaseData> HashCodeTestCases
// {
// get
// {
// yield return
// new TestCaseData(new Ray2(), new Ray2(), true).SetName(
// "Two degenerate rays have the same hash code.");
// yield return
// new TestCaseData(new Ray2(new Point2(50, 50), new Vector2(50, 50)),
// new Ray2(new Point2(50, 50), new Vector2(50, 50)), true).SetName(
// "Two indentical non-zero points have the same hash code.");
// yield return
// new TestCaseData(new Ray2(new Point2(0, 0), new Vector2(50, 50)),
// new Ray2(new Point2(50, 50), new Vector2(50, 50)), false).SetName(
// "Two different non-zero points do not have the same hash code.");
// }
// }
// [Fact]
// [TestCaseSource(nameof(HashCodeTestCases))]
// public void HashCode(Ray2 ray1, Ray2 ray2, bool expectedThatHashCodesAreEqual)
// {
// var hashCode1 = ray1.GetHashCode();
// var hashCode2 = ray2.GetHashCode();
// if (expectedThatHashCodesAreEqual)
// Assert.Equal(hashCode1, hashCode2);
// else
// Assert.AreNotEqual(hashCode1, hashCode2);
// }
// public IEnumerable<TestCaseData> StringCases
// {
// get
// {
// yield return
// new TestCaseData(new Ray2(),
// string.Format(CultureInfo.CurrentCulture, "Position: {0}, Direction: {1}", new Point2(),
// new Vector2())).SetName(
// "The degenerate ray has the expected string representation using the current culture.");
// yield return new TestCaseData(new Ray2(new Point2(5.1f, -5.123f), new Vector2(0, 1)),
// string.Format(CultureInfo.CurrentCulture, "Position: {0}, Direction: {1}", new Point2(5.1f, -5.123f),
// new Vector2(0, 1))).SetName(
// "A non-degenerate ray has the expected string representation using the current culture.");
// }
// }
// [Fact]
// [TestCaseSource(nameof(StringCases))]
// public void String(Ray2 ray, string expectedString)
// {
// var actualString = ray.ToString();
// Assert.Equal(expectedString, actualString);
// }
// }
//}
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