public void RayEndPoints()
{
var min = Vector.Create(5, 5);
var max = Vector.Create(7, 7);
Func <IEnumerable <Vector>, Vector[]> prepare =
vectors => vectors
.OrderBy(v => v.X)
.ThenBy(v => v.Y)
.ToArray();
var expected = prepare(
new[]
{
Vector.Create(5, 5),
Vector.Create(5, 6),
Vector.Create(5, 7),
Vector.Create(7, 5),
Vector.Create(7, 6),
Vector.Create(7, 7),
Vector.Create(6, 5),
Vector.Create(6, 7)
});
var result = prepare(LineOfSight.RayEndPoints(min, max));
CollectionAssert.AreEqual(expected, result);
}