public void DijkstraSimpleGraphShould_Find_Path_In_Multi_Edges()
{
var graph = new Graph.Simple.Graph();
graph.AddNode();
graph.AddNode();
graph.AddNode();
graph.AddNode();
graph.AddNode();
graph.AddNode();
graph.Connect(1, 2, 2);
graph.Connect(1, 3, 3);
graph.Connect(2, 4, 4);
graph.Connect(3, 4, 3);
graph.Connect(3, 4, 2);
graph.Connect(3, 4, 4);
graph.Connect(3, 5, 1);
graph.Connect(4, 6, 6);
var result = graph.Dijkstra(1, 6);
uint[] path = result.GetPath().ToArray();
Assert.Equal <uint>(1, path[0]);
Assert.Equal <uint>(3, path[1]);
Assert.Equal <uint>(4, path[2]);
Assert.Equal <uint>(6, path[3]);
Assert.Equal(11, result.Distance);
Assert.True(result.IsFounded);
}
public void DijkstraSimpleGraphNot_Should_Find_Path_In_Graph()
{
var graph = new Graph.Simple.Graph();
graph.AddNode();
graph.AddNode();
graph.AddNode();
graph.AddNode();
graph.AddNode();
graph.AddNode();
graph.Connect(1, 2, 2);
graph.Connect(1, 3, 3);
graph.Connect(2, 4, 4);
graph.Connect(3, 4, 2);
graph.Connect(3, 5, 1);
var result = graph.Dijkstra(1, 6);
Assert.False(result.IsFounded);
}
public void DijkstraSimpleGraphShould_Find_Path_In_Override_Node()
{
var graph = new Graph.Simple.Graph();
graph.AddNode();
graph.AddNode();
graph.AddNode();
graph.AddNode();
graph.AddNode();
graph.AddNode();
graph.Connect(1, 2, 2);
graph.Connect(1, 3, 6);
graph.Connect(2, 3, 2);
graph.Connect(3, 4, 1);
graph.Connect(4, 5, 1);
graph.Connect(1, 6, 5);
var result = graph.Dijkstra(1, 5);
uint[] path = result.GetPath().ToArray();
Assert.Equal <uint>(1, path[0]);
Assert.Equal <uint>(2, path[1]);
Assert.Equal <uint>(3, path[2]);
Assert.Equal <uint>(4, path[3]);
Assert.Equal <uint>(5, path[4]);
Assert.Equal(6, result.Distance);
Assert.True(result.IsFounded);
}
public void Dijkstra_Should_Concern_Depth_In_SimpleGraph()
{
var graph = new Graph.Simple.Graph();
graph.AddNode();
graph.AddNode();
graph.AddNode();
graph.AddNode();
graph.Connect(1, 2, 1);
graph.Connect(1, 3, 1);
graph.Connect(1, 4, 5);
graph.Connect(3, 4, 2);
var result = graph.Dijkstra(1, 4, 1);
Assert.True(result.IsFounded);
Assert.Equal(5, result.Distance);
uint[] path = result.GetPath().ToArray();
Assert.Equal((uint)1, path[0]);
Assert.Equal((uint)4, path[1]);
}
public void SimpleGraph_CalculatePageRank_Should_Calculate_Correct_PageRank()
{
var g = new Graph.Simple.Graph();
uint a = g.AddNode();
uint b = g.AddNode();
uint c = g.AddNode();
uint d = g.AddNode();
g.Connect(a, b);
g.Connect(a, c);
g.Connect(b, d);
g.Connect(c, a);
g.Connect(c, b);
g.Connect(c, d);
g.Connect(d, c);
var result = g.PageRank();
Assert.True(Math.Abs(result[c] - 0.35625) < 0.0001);
}