public void GetVertexInfo_Throws()
{
// ReSharper disable ReturnValueOfPureMethodIsNotUsed
// ReSharper disable AssignNullToNotNullAttribute
var graph = new AdjacencyGraph <TestVertex, Edge <TestVertex> >();
var algorithm1 = new TestSimpleLayoutAlgorithm(graph);
Assert.Throws <ArgumentNullException>(() => algorithm1.GetVertexInfo(null));
var algorithm2 = new TestComplexLayoutAlgorithm(graph);
Assert.Throws <ArgumentNullException>(() => algorithm2.GetVertexInfo(null));
// ReSharper restore AssignNullToNotNullAttribute
// ReSharper restore ReturnValueOfPureMethodIsNotUsed
}
public void GetVertexInfo()
{
var vertex = new TestVertex("1");
var graph = new AdjacencyGraph <TestVertex, Edge <TestVertex> >();
var algorithm1 = new TestSimpleLayoutAlgorithm(graph);
Assert.IsNull(algorithm1.GetVertexInfo(vertex));
var algorithm2 = new TestComplexLayoutAlgorithm(graph);
Assert.IsNull(algorithm2.GetVertexInfo(vertex));
graph.AddVertex(vertex);
Assert.IsNull(algorithm2.GetVertexInfo(vertex));
const int vertexInfo = 1;
algorithm2.VerticesInfos.Add(vertex, vertexInfo);
Assert.AreEqual(vertexInfo, algorithm2.GetVertexInfo(vertex));
algorithm2.VerticesInfos.Remove(vertex);
Assert.IsNull(algorithm2.GetVertexInfo(vertex));
}