public void AddsANewEdges()
{
//by value
EdgeListNode <int> node = new EdgeListNode <int>(1);
node.AddEdgeTo(1);
bool added = node.HasEdgeTo(1);
Assert.True(added);
//by node
node = new EdgeListNode <int>(1);
node.AddEdgeTo(node);
added = node.HasEdgeTo(1);
Assert.True(added);
}
public void DetectsNegativesCases()
{
//by value
EdgeListNode <int> node = new EdgeListNode <int>(1);
node.AddEdgeTo(2);
bool hasEdgeToValue = node.HasEdgeTo(5);
Assert.False(hasEdgeToValue);
//by node
node = new EdgeListNode <int>(1);
EdgeListNode <int> neighbour = new EdgeListNode <int>(5);
bool hasEdgeToNode = node.HasEdgeTo(neighbour);
Assert.False(hasEdgeToNode);
}
public void DoesNotRetrieveNonExistingEdges()
{
//by value
EdgeListNode <int> node = new EdgeListNode <int>(1);
node.AddEdgeTo(2);
bool hasEdgeToValue = node.HasEdgeTo(5);
Assert.False(hasEdgeToValue);
//by node
node = new EdgeListNode <int>(1);
EdgeListNode <int> neighbour = new EdgeListNode <int>(5);
bool hasEdgeToNode = node.HasEdgeTo(neighbour);
Assert.False(hasEdgeToNode);
}
public void DetectsPositiveCases()
{
//by value
EdgeListNode <int> node = new EdgeListNode <int>(1);
node.AddEdgeTo(2);
bool hasEdgeToValue = node.HasEdgeTo(2);
Assert.True(hasEdgeToValue);
//by node
node = new EdgeListNode <int>(1);
EdgeListNode <int> neighbour = new EdgeListNode <int>(2);
node.AddEdgeTo(neighbour);
bool hasEdgeToNode = node.HasEdgeTo(neighbour);
Assert.True(hasEdgeToNode);
}