public void CycleDirectedGraph_Returns_False()
{
// Arrange
var graph = GraphBuilderHelper.CreateListArray(5);
graph[0].Add(1);
graph[0].Add(2);
graph[3].Add(0);
graph[4].Add(0);
// Act
bool result = CycleDirectedGraph.DoesGraphContainsCycle(graph);
// Assert
Assert.IsFalse(result);
}
public void GetLongestPath_Returns_LongestPath_With_ListGraph_And_Source_Vertix()
{
// Arrange
var graph = GraphBuilderHelper.CreateListArray <EdgeNode>(6);
graph[0].Add(new EdgeNode(1, 3));
graph[1].Add(new EdgeNode(2, 4));
graph[1].Add(new EdgeNode(5, 2));
graph[5].Add(new EdgeNode(3, 6));
graph[5].Add(new EdgeNode(4, 5));
// Act
int[] parents;
int longestPath = LongestPathInDirectedAcyclicGraph.GetLongestPath(graph, 0, out parents).Max();
// Assert
Assert.AreEqual(11, longestPath);
CollectionAssert.AreEqual(new int[] { -1, 0, 1, 5, 5, 1 }, parents);
}