public void ProtectedRemoveEdgeReturnsCorrectValue()
{
GraphProtectedMethods_TESTS graph = new GraphProtectedMethods_TESTS();
TestGraphs.Add(graph);
Node n1 = graph.NewGraphNode("n1");
Node n2 = graph.NewGraphNode("n2");
graph.AddEdge(n1, n2);
Assert.IsTrue(graph.Nodes.All(n => n.Degree == 1));
Assert.IsTrue(graph.RemoveEdge(n1, n2));
Assert.IsFalse(graph.RemoveEdge(n1, n2));
Assert.IsTrue(AllGraphsHaveNoZeroDegreeNodes());
}
public void ProtectedRemoveEdgeRemovesCorrectly()
{
GraphProtectedMethods_TESTS graph = new GraphProtectedMethods_TESTS();
TestGraphs.Add(graph);
graph.AddEdge("n1", "n2", true);
graph.AddEdge("n2", "n3", true);
graph.AddEdge("n1", "n3");
Assert.IsTrue(graph.Nodes.All(n => n.Degree == 2));
Node n1 = graph.Nodes.First(n => n.Id == "n1");
Node n2 = graph.Nodes.First(n => n.Id == "n2");
Node n3 = graph.Nodes.First(n => n.Id == "n3");
graph.RemoveEdge(n1, n3);
Assert.AreEqual("1,1,2", String.Join(",", graph.Nodes.Select(n => n.Degree).OrderBy(n => n)));
Assert.IsTrue(AllGraphsHaveNoZeroDegreeNodes());
}
