public void TestRemoveSegment()
{
var roads = new RoadManager();
var n1 = roads.CreateNodeAt(1, 0);
var n2 = roads.CreateNodeAt(0, 1);
var n3 = roads.CreateNodeAt(0, -1);
var s12 = roads.CreateSegment(n1, n2, dummyRoad);
var s23 = roads.CreateSegment(n2, n3, dummyRoad);
var s31 = roads.CreateSegment(n3, n1, dummyRoad);
Assert.AreEqual(2, n1.Segments.Count());
Assert.AreEqual(2, n2.Segments.Count());
Assert.AreEqual(2, n3.Segments.Count());
Assert.IsTrue(roads.Remove(s31));
CollectionAssert.AreEquivalent(new[] { s12, s23 }, roads.Segments.ToArray());
CollectionAssert.AreEquivalent(new[] { n1, n2, n3 }, roads.Nodes.ToArray());
Assert.AreEqual(1, n1.Segments.Count());
Assert.AreEqual(2, n2.Segments.Count());
Assert.AreEqual(1, n3.Segments.Count());
}
public void TestMergeNodes()
{
var roads = new RoadManager();
var n1 = roads.CreateNodeAt(0, 0);
var n2 = roads.CreateNodeAt(0, 1);
var n3 = roads.CreateNodeAt(0, -1);
var s12 = roads.CreateSegment(n1, n2, dummyRoad);
var s23 = roads.CreateSegment(n2, n3, dummyRoad);
var n23 = roads.MergeNodes(n2, n3);
Assert.AreEqual(1, roads.Segments.Count());
CollectionAssert.AreEquivalent(new[] { n1, n23 }, roads.Nodes.ToArray());
}
public void TestMergeSegments()
{
var roads = new RoadManager();
var n1 = roads.CreateNodeAt(0, 0);
var n2 = roads.CreateNodeAt(0, 1);
var n3 = roads.CreateNodeAt(0, -1);
var s12 = roads.CreateSegment(n1, n2, dummyRoad);
var s23 = roads.CreateSegment(n2, n3, dummyRoad);
var s13 = roads.MergeSegments(n2);
Assert.AreEqual(n1, s13.Start.Node);
Assert.AreEqual(n3, s13.End.Node);
CollectionAssert.AreEquivalent(new[] { s13 }, roads.Segments.ToArray());
}