public void GetEdgeInfo()
{
var vertex1 = new TestVertex("1");
var vertex2 = new TestVertex("2");
var edge = new Edge <TestVertex>(vertex1, vertex2);
var graph = new AdjacencyGraph <TestVertex, Edge <TestVertex> >();
var algorithm1 = new TestSimpleLayoutAlgorithm(graph);
Assert.IsNull(algorithm1.GetEdgeInfo(edge));
var algorithm2 = new TestComplexLayoutAlgorithm(graph);
Assert.IsNull(algorithm2.GetEdgeInfo(edge));
graph.AddVerticesAndEdge(edge);
Assert.IsNull(algorithm2.GetEdgeInfo(edge));
const double edgeInfo = 1.2;
algorithm2.EdgesInfos.Add(edge, edgeInfo);
Assert.AreEqual(edgeInfo, algorithm2.GetEdgeInfo(edge));
algorithm2.EdgesInfos.Remove(edge);
Assert.IsNull(algorithm2.GetEdgeInfo(edge));
}
public void GetEdgeInfo_Throws()
{
// ReSharper disable ReturnValueOfPureMethodIsNotUsed
// ReSharper disable AssignNullToNotNullAttribute
var graph = new AdjacencyGraph <TestVertex, Edge <TestVertex> >();
var algorithm1 = new TestSimpleLayoutAlgorithm(graph);
Assert.Throws <ArgumentNullException>(() => algorithm1.GetEdgeInfo(null));
var algorithm2 = new TestComplexLayoutAlgorithm(graph);
Assert.Throws <ArgumentNullException>(() => algorithm2.GetEdgeInfo(null));
// ReSharper restore AssignNullToNotNullAttribute
// ReSharper restore ReturnValueOfPureMethodIsNotUsed
}