public void Test_RemoveNode()
{
GraphVizProcessor gvp = new GraphVizProcessor();
gvp.graph = new Graph(GraphType.Digraph, new Stmt_list());
gvp.AddNode("a");
gvp.RemoveNode("a");
if (gvp.NodeExists("a"))
{
Assert.Fail("Node found after removal.");
}
gvp.AddEdge("a", "b");
gvp.RemoveNode("a");
if (gvp.NodeExists("a"))
{
Assert.Fail("Node found after removal.");
}
if (!gvp.NodeExists("b"))
{
Assert.Fail("Second node of and edge not found.");
}
}
