public void VertexDescriptor_TryFindEdge_ReturnsFalseForWrongVertex()
{
int vertex1 = 10;
int vertex2 = 20;
VertexDescriptor <int, string> vertexDescriptor = new VertexDescriptor <int, string>(vertex1);
EdgeDescriptor <int, string> edgeDesciptor = new EdgeDescriptor <int, string>(vertex1, vertex2, "edge");
vertexDescriptor.AddEdge(edgeDesciptor);
EdgeDescriptor <int, string> foundEdge;
bool result = vertexDescriptor.TryFindEdge(vertex2, vertex1, out foundEdge);
Assert.False(result);
Assert.Equal(default(EdgeDescriptor <int, string>), foundEdge);
}
public void VertexDescriptor_TryFindEdge_ReturnsEdgeByVertex()
{
int vertex1 = 10;
int vertex2 = 20;
VertexDescriptor <int, string> vertexDescriptor = new VertexDescriptor <int, string>(vertex1);
EdgeDescriptor <int, string> edgeDesciptor = new EdgeDescriptor <int, string>(vertex1, vertex2, "edge");
vertexDescriptor.AddEdge(edgeDesciptor);
EdgeDescriptor <int, string> foundEdge;
bool result = vertexDescriptor.TryFindEdge(vertex1, vertex2, out foundEdge);
Assert.True(result);
Assert.Equal(foundEdge, edgeDesciptor);
}