public void IsEqual_NUllVertex_ReturnTrue()
{
var vertex = new NullVertex();
var secondVertex = new NullVertex();
Assert.IsTrue(vertex.IsEqual(secondVertex));
}
public void CanBeNeighbours_VerticesBelongToGraph_ReturnsFalse()
{
var graph = new NullGraph();
NullVertex candidate = (NullVertex)graph.Vertices.Last();
NullVertex vertex = (NullVertex)graph.Vertices.First();
Assert.IsFalse(graph.CanBeNeighbours(candidate, vertex));
}
public void AreNeighbours_VerticesDoesntBelongToGraph_ReturnFalse()
{
var graph = new NullGraph();
NullVertex candidate = new NullVertex();
NullVertex vertex = (NullVertex)graph.Vertices.First();
Assert.IsFalse(graph.AreNeighbours(candidate, vertex));
}
public void AreNeighbours_DoesnotThrow()
{
NullGraph graph = new NullGraph();
NullVertex candidate = new NullVertex();
NullVertex vertex = (NullVertex)graph.Vertices.First();
Assert.DoesNotThrow(() => graph.AreNeighbours(candidate, vertex));
}
public void SetNeighbours_NullVertex_NullGraph_ReturnsRightNumberOfNeighbours()
{
const int expectedNumberOfNeighbours = 1;
var graph = new NullGraph();
NullVertex vertex = (NullVertex)graph.Vertices.First();
vertex.SetNeighbours(graph);
Assert.AreEqual(expectedNumberOfNeighbours, vertex.Neighbours.Count);
}
public void SetNeighbours_NullVertex_ReturnsRightNumberOfNeighbours()
{
const int expectedNumberOfNeighbours = 1;
var graph = graphAssembler.AssembleGraph();
graph[new TestCoordinate(0, 0)] = new NullVertex();
NullVertex vertex = (NullVertex)graph.Vertices.First();
vertex.SetNeighbours(graph);
Assert.AreEqual(expectedNumberOfNeighbours, vertex.Neighbours.Count);
}
public TestEndPoints()
{
Start = new NullVertex();
End = new NullVertex();
}
public TestEndPoints()
{
Source = new NullVertex();
Target = new NullVertex();
}
public NullGraphPath()
{
Path = new NullVertex[] { new NullVertex() };
}
protected virtual void UnsetSource(IVertex vertex)
{
(vertex as IMarkable)?.MarkAsRegular();
Source = new NullVertex();
}
public void Reset()
{
Source = new NullVertex();
Target = new NullVertex();
}
protected virtual void UnsetStartVertex(IVertex vertex)
{
(vertex as IMarkable)?.MarkAsRegular();
Start = new NullVertex();
}
public void Reset()
{
Start = new NullVertex();
End = new NullVertex();
}
public void Initialize_DoesntThrow()
{
var vertex = new NullVertex();
Assert.DoesNotThrow(() => vertex.Initialize());
}
public void SetToDefault_DoesntThrow()
{
var vertex = new NullVertex();
Assert.DoesNotThrow(() => vertex.SetToDefault());
}
public void IsIsolated_ReturnTrue()
{
var vertex = new NullVertex();
Assert.IsTrue(vertex.IsIsolated());
}