public void TheExampleIsStronglyConnected_ShouldReturnOneComponent()
{
var graph = new DiGraph <int, int>(1);
graph.AddEdge(1, 2);
graph.AddEdge(2, 3);
graph.AddEdge(3, 1);
var graphAlgorithms = new DefaultDiGraphAlgorithms();
var components = graphAlgorithms.GetStronglyConnectedComponents(graph).ToList();
Assert.AreEqual(1, components.Count);
Assert.IsTrue(components.All(g => graphAlgorithms.IsStronglyConnected(g)));
Assert.IsFalse(graphAlgorithms.IsAcyclic(graph));
}
public void TheExampleHasNoCycle_ShouldReturnAllComponents()
{
var graph = new DiGraph <int, int>(1);
graph.AddEdge(1, 2);
graph.AddEdge(2, 3);
graph.AddEdge(3, 4);
graph.AddEdge(4, 5);
graph.AddEdge(5, 6);
graph.AddEdge(6, 7);
var graphAlgorithms = new DefaultDiGraphAlgorithms();
var components = graphAlgorithms.GetStronglyConnectedComponents(graph).ToList();
Assert.AreEqual(7, components.Count);
Assert.IsTrue(components.All(g => graphAlgorithms.IsStronglyConnected(g)));
Assert.IsTrue(graphAlgorithms.IsAcyclic(graph));
}