public void InitializeGraphTests()
{
var verticies = Enumerable.Range(1, 100).ToList();
var graph = new Pretero.DataStructures.Graph<int>(verticies);
Assert.That(graph.Verticies.Count(),
Is.EqualTo(verticies.Count()));
for (var i = 1; i < 100; i++)
graph.AddEdge(i, i + 1);
Assert.That(graph.Verticies.Count(),
Is.EqualTo(verticies.Count()));
Assert.That(graph.AdjacentTo(1).Count(),
Is.EqualTo(1));
Assert.That(graph.AdjacentTo(1).Select(x => x.Value),
Contains.Item(2));
Assert.That(graph.AdjacentTo(2).Select(x => x.Value),
Contains.Item(1));
Assert.That(graph.Edges,
Is.EqualTo(99));
}
public void InitializeGraphTestsTupleConstructor()
{
var verticies = Enumerable.Range(1, 99).ToList();
Func<int, Tuple<int,int>> tupleList = x => new Tuple<int, int>(x, x + 1);
var graph = new Pretero.DataStructures.Graph<int>(verticies.Select(tupleList));
Assert.That(graph.Verticies.Count(),
Is.EqualTo(verticies.Count() + 1));
Assert.That(graph.AdjacentTo(1).Count(),
Is.EqualTo(1));
Assert.That(graph.AdjacentTo(1).Select(x => x.Value),
Contains.Item(2));
Assert.That(graph.AdjacentTo(2).Select(x => x.Value),
Contains.Item(1));
Assert.That(graph.Edges,
Is.EqualTo(99));
}