public void TestReadDotFile()
{
RootGraph root = RootGraph.FromDotString(@"
digraph test {
A;
B;
B -> B;
A -> B[name = edgename];
A -> B[name = edgename];
A -> B[name = edgename];
}
");
var edges = root.Edges().ToList();
var names = edges.Select(e => e.GetName());
// This results in ,,, strangely enough
// There seems to be no way to influence the edge name from dot
Console.WriteLine(string.Join(", ", names));
// However, it is strange that all edges seem to have te same name, namely ""
// According to the documentation, the name is used to distinguish between multiedges
var A = root.GetNode("A");
var B = root.GetNode("B");
Assert.AreEqual(3, A.EdgesOut().Count());
// The documentation seem to be correct for edges that are added through the C interface
root.GetOrAddEdge(A, B, "");
root.GetOrAddEdge(A, B, "");
root.GetOrAddEdge(A, B, "");
Assert.AreEqual(4, A.EdgesOut().Count());
}
public void TestReadDotFile()
{
RootGraph root = RootGraph.FromDotString(@"
digraph test {
A;
B;
B -> B;
A -> B[key = edgename];
A -> B;
A -> B;
}
");
var edges = root.Edges().ToList();
var names = edges.Select(e => e.GetName());
// The attribute 'key' maps to the edgename
Assert.IsTrue(names.Any(n => n == "edgename"));
Assert.IsTrue(names.All(n => n == "edgename" || string.IsNullOrEmpty(n)));
// However, it is strange that the other two edges both seem to have the same name, namely ""
// According to the documentation, the name is used to distinguish between multi-edges
var A = root.GetNode("A");
var B = root.GetNode("B");
Assert.AreEqual(3, A.EdgesOut().Count());
// The documentation seem to be correct for edges that are added through the C interface
_ = root.GetOrAddEdge(A, B, "");
Assert.AreEqual(4, A.EdgesOut().Count());
_ = root.GetOrAddEdge(A, B, "");
Assert.AreEqual(4, A.EdgesOut().Count());
}
