public void Test_NodeExists()
{
GraphVizProcessor gvp = new GraphVizProcessor();
gvp.graph = new Graph(GraphType.Digraph, new Stmt_list());
//Node exists
gvp.AddNode("a");
if (!gvp.NodeExists("a"))
{
Assert.Fail("Node not found.");
}
//Node is part of an edge
gvp.AddEdge("a", "b");
if (!gvp.NodeExistsInEdge("a"))
{
Assert.Fail("Node in an edge not found.");
}
}
