public void BreadthFirstSearch_ValidParamsPassed_Success()
{
string[] nodes = new[] { "0", "1", "2", "3", "4", "5", "6", "7" };
UndirectedGraph <string> graph = new UndirectedGraph <string>(nodes);
graph.SetEdge(0, 1);
graph.SetEdge(0, 2);
graph.SetEdge(0, 3);
graph.SetEdge(1, 4);
graph.SetEdge(3, 5);
graph.SetEdge(4, 5);
graph.SetEdge(5, 6);
graph.SetEdge(5, 7);
var visitedNodes = graph.BreadthFirstSearch();
Assert.That(visitedNodes, Is.EquivalentTo(new string[] { "0", "1", "2", "3", "4", "5", "6", "7" }));
}