public Line(RailwayStation fromObj, RailwayStation toObj, string name, float distance)
{
Name = name;
From = fromObj;
To = toObj;
_segmentFrom = new Segment(From, To, distance);
}
public void AppendBeforeTest()
{
TrackObject beginStation = new RailwayStation("Begin");
TrackObject endStation = new RailwayStation("End");
TrackObject newBegin = new RailwayStation("NewBegin");
Segment source = new Segment(beginStation, endStation, 10);
Segment appended = source.Insert(endStation, newBegin, 25);
Assert.AreEqual(appended.From, newBegin);
Assert.AreEqual(appended.To, beginStation);
Assert.AreEqual(appended.Distance, 15);
Assert.AreEqual(appended.Next, source);
Assert.AreEqual(appended.Prev, null);
Assert.AreEqual(source.Prev, appended);
Assert.AreEqual(source.Next, null);
}
public void SetUp()
{
_st1 = new RailwayStation("St_1");
_st2 = new RailwayStation("St_2");
_st3 = new RailwayStation("St_3");
_seg1 = new Segment(_st1, _st2, 15);
_seg2 = _seg1.Insert(_st1, _st3, 40);
}
public void InsertSimpleFromLastTest()
{
TrackObject beginStation = new RailwayStation("Begin");
TrackObject endStation = new RailwayStation("End");
TrackObject middleStation = new RailwayStation("Middle");
Segment originSegment = new Segment(beginStation, endStation, 20);
Segment inserted = originSegment.Insert(endStation, middleStation, 5);
Assert.AreEqual(inserted.From, middleStation);
Assert.AreEqual(inserted.To, endStation);
Assert.AreEqual(inserted.Distance, 5);
Assert.AreEqual(originSegment.From, beginStation);
Assert.AreEqual(originSegment.To, middleStation);
Assert.AreEqual(originSegment.Distance, 15);
Assert.AreEqual(inserted.Prev, originSegment);
Assert.AreEqual(inserted.Next, null);
Assert.AreEqual(originSegment.Prev, null);
Assert.AreEqual(originSegment.Next, inserted);
}