public void XmlEdgeList_Add_Throws()
{
var graph = new AdjacencyGraph <int, Edge <int> >();
var edgeList = new XmlSerializableGraph <int, Edge <int>, AdjacencyGraph <int, Edge <int> > > .XmlEdgeList(graph);
// ReSharper disable once AssignNullToNotNullAttribute
Assert.Throws <ArgumentNullException>(() => edgeList.Add(null));
}
public void XmlVertexList_Add()
{
var graph = new AdjacencyGraph <int, Edge <int> >();
var vertexList = new XmlSerializableGraph <int, Edge <int>, AdjacencyGraph <int, Edge <int> > > .XmlVertexList(graph);
CollectionAssert.IsEmpty(vertexList);
vertexList.Add(1);
CollectionAssert.AreEqual(
new[] { 1 },
vertexList);
vertexList.Add(2);
CollectionAssert.AreEqual(
new[] { 1, 2 },
vertexList);
}
public void XmlEdgeList_Add()
{
var graph = new AdjacencyGraph <int, Edge <int> >();
var edgeList = new XmlSerializableGraph <int, Edge <int>, AdjacencyGraph <int, Edge <int> > > .XmlEdgeList(graph);
CollectionAssert.IsEmpty(edgeList);
var edge12 = new Edge <int>(1, 2);
edgeList.Add(edge12);
CollectionAssert.AreEqual(
new[] { edge12 },
edgeList);
var edge22 = new Edge <int>(2, 2);
edgeList.Add(edge22);
CollectionAssert.AreEqual(
new[] { edge12, edge22 },
edgeList);
}