public void GetConnectionGroups()
{
List <List <DiagramNodeConnection> > groups;
List <DiagramNodeConnection> connections;
DiagramNode nodeA = new DiagramNode(), nodeB = new DiagramNode(), nodeC = new DiagramNode(), nodeD = new DiagramNode(), nodeE = new DiagramNode();
DiagramNodeConnection connA, connB, connC;
connections = new List <DiagramNodeConnection>();
//This is all one group
connA = new DiagramNodeConnection(nodeA, nodeB);
connB = new DiagramNodeConnection(nodeB, nodeC);
connections.Add(connA);
connections.Add(connB);
//Another unconnected group
connC = new DiagramNodeConnection(nodeD, nodeE);
connections.Add(connC);
groups = DiagramGenerator.GetConnectionGroups(connections);
Assert.AreEqual(2, groups.Count);
Assert.AreEqual(2, groups[0].Count);
Assert.AreEqual(connA, groups[0][0]);
Assert.AreEqual(connB, groups[0][1]);
Assert.AreEqual(1, groups[1].Count);
Assert.AreEqual(connC, groups[1][0]);
}
public void Test()
{
List <DiagramNode> nodes;
List <DiagramNodeConnection> connections;
DiagramNode newNode;
DiagramNodeConnection newConnection;
nodes = new List <DiagramNode>();
newNode = new DiagramNode();
newNode.Text = "Node A";
nodes.Add(newNode);
newNode = new DiagramNode();
newNode.Text = "Node B";
nodes.Add(newNode);
newNode = new DiagramNode();
newNode.Text = "Node C";
nodes.Add(newNode);
connections = new List <DiagramNodeConnection>();
//Connect A and B
newConnection = new DiagramNodeConnection();
newConnection.FirstNode = nodes[0];
newConnection.SecondNode = nodes[1];
connections.Add(newConnection);
//Connect B and C
newConnection = new DiagramNodeConnection();
newConnection.FirstNode = nodes[1];
newConnection.SecondNode = nodes[2];
connections.Add(newConnection);
//Connect A and C
newConnection = new DiagramNodeConnection();
newConnection.FirstNode = nodes[0];
newConnection.SecondNode = nodes[2];
connections.Add(newConnection);
gen = new DiagramGenerator(nodes, connections, 500);
Bitmap b;
b = gen.Generate();
//We can't really look at the image, so just make sure we got one without a crash
Assert.IsTrue(b != null);
}