public void AttachedRoads_Returns_All_Roads_That_Are_Directly_Attached()
{
var road1 = new Road(new[]
{
new Point(0, 1),
new Point(1, 1),
new Point(2, 1),
new Point(3, 1),
new Point(4, 1)
});
var road2 = new Road(new[]
{
new Point(1, 2),
new Point(1, 3)
});
var road3 = new Road(new[]
{
new Point(3, 2),
new Point(3, 3)
});
var road4 = new Road(new[]
{
new Point(4, 2),
new Point(4, 3)
});
var road5 = new Road(new[]
{
new Point(3, 5),
new Point(3, 6)
});
var road6 = new Road(new[]
{
new Point(0, 4),
new Point(1, 4),
new Point(2, 4),
new Point(3, 4),
new Point(4, 4)
});
var allRoads = new List <IRoad> {
road1, road2, road3, road4, road5, road6
};
Assert.Multiple(() =>
{
CollectionAssert.AreEquivalent(
new[] { road2, road3, road4 },
road1.AttachedRoads(allRoads));
CollectionAssert.AreEquivalent(
new[] { road1, road6 },
road2.AttachedRoads(allRoads));
CollectionAssert.AreEquivalent(
new IRoad[] { },
road5.AttachedRoads(allRoads));
});
}