public void ShouldSearchGraph()
{
var graph = new Graph <char>();
graph.AddVertices('r', 's', 't', 'u', 'v', 'w', 'x', 'y');
graph.AddEdge('r', 'v');
graph.AddEdge('s', 'r');
graph.AddEdge('s', 'w');
graph.AddEdge('w', 't');
graph.AddEdge('w', 'x');
graph.AddEdge('t', 'x');
graph.AddEdge('x', 't');
graph.AddEdge('x', 'y');
graph.AddEdge('x', 'u');
graph.AddEdge('t', 'u');
graph.AddEdge('y', 'u');
graph.AddEdge('u', 'y');
var searcher = new BreadthFirstSearcher <char>();
IDictionary <Vertex <char>, int> distances = searcher.BreadthFirstSearch(graph.GetVertex('s'));
Assert.AreEqual(3, distances[graph.GetVertex('y')]);
Assert.AreEqual(2, distances[graph.GetVertex('t')]);
Assert.AreEqual(1, distances[graph.GetVertex('r')]);
Assert.AreEqual(1, distances[graph.GetVertex('w')]);
Assert.AreEqual(2, distances[graph.GetVertex('v')]);
}
void FindPath()
{
BreadthFirstSearcher breadthFirstSearcher = new BreadthFirstSearcher();
breadthFirstSearcher.BreadthFirstSearch(grid, startWaypoint, endWaypoint, searchCenter);
}