public void testGetOriginalObjectInstancesOfTheEdges()
{
List <Edge> originalEdges = new List <Edge> {
edgeX1, edgeY1
};
List <Edge> equalEdgesButOtherInstances = new List <Edge> {
edgeX2, edgeY2
};
AreEqual(originalEdges[0], equalEdgesButOtherInstances[0]);
AreEqual(originalEdges[1], equalEdgesButOtherInstances[1]);
// Note that the above were equal but they are NOT the same instances as you can see here:
IsFalse(originalEdges[0] == equalEdgesButOtherInstances[0]);
IsFalse(originalEdges[1] == equalEdgesButOtherInstances[1]);
EdgeMapper <Edge, Vertex, Weight> edgeMapper = EdgeMapper <Edge, Vertex, Weight> .CreateEdgeMapper <Edge, Vertex, Weight>(originalEdges);
IList <Edge> originalObjectInstancesOfTheEdges = edgeMapper.GetOriginalObjectInstancesOfTheEdges(equalEdgesButOtherInstances);
// Note that the input parameter above vas the list which did NOT have the same instances as the original
// list (i.e. the list passed into the constructor of EdgeMapper) but the returned list should have the same
// instances, and they should be mapped through the id of the edge
AreSame(originalEdges[0], originalObjectInstancesOfTheEdges[0]);
AreSame(originalEdges[1], originalObjectInstancesOfTheEdges[1]);
}
/// <summary>
///
/// </summary>
/// <param name="graph">an implementation of the interface GraphGenerics</param>
/// <param name="pathFactory">an implementation of the interface PathFactory, if null then a default instance will be created</param>
protected PathFinderBase(
GraphGenerics <E, V, W> graph,
PathFactory <P, E, V, W> pathFactory
)
{
this.graph = graph;
this.pathFactory = pathFactory != null ? pathFactory : CreateStandardInstanceOfPathFactory();
// Precondition to method below is that validation is performed i.e.
// the method below will NOT try to validate,
edgeMapper = EdgeMapper <E, V, W> .CreateEdgeMapper <E, V, W>(graph.Edges);
}
public void testGetOriginalEdgeInstance()
{
IList <Edge> originalEdges = new List <Edge> {
edgeX1, edgeY1
};
EdgeMapper <Edge, Vertex, Weight> edgeMapper = EdgeMapper <Edge, Vertex, Weight> .CreateEdgeMapper <Edge, Vertex, Weight>(originalEdges);
// the same edge instance should be retrieve when we below pass in the string ids for the vertices of the edge
AreSame(edgeX1, edgeMapper.GetOriginalEdgeInstance(edgeX1.StartVertex.VertexId, edgeX1.EndVertex.VertexId));
AreSame(edgeY1, edgeMapper.GetOriginalEdgeInstance(edgeY1.StartVertex.VertexId, edgeY1.EndVertex.VertexId));
}