/// <summary>
/// Produces the dot for the specified demo.
/// </summary>
/// <returns>DOT.</returns>
protected override IGraphExpression CreateGraph()
{
#region ExportCode
var graph = Fluently.CreateDirectedGraph();
int a = 1;
int b = 2;
var arrowShapes = typeof(ArrowShape)
.GetFields(BindingFlags.Public | BindingFlags.Static)
.Where(x => typeof(ArrowShape).IsAssignableFrom(x.FieldType))
.Select(x => (ArrowShape) x.GetValue(null))
.ToArray();
var random = new Random((int)(DateTime.Now.Ticks % Int32.MaxValue));
for (int i = 0; i< 10; i++)
{
const int numberOfArrowShapes = 2;
var chosenArrowShapes = new List<ArrowShape>();
for (int j = 0; j< numberOfArrowShapes; j++)
{
var chosenShape = arrowShapes[random.Next(arrowShapes.Length)];
if ((chosenShape == ArrowShape.None) || (chosenArrowShapes.Contains(chosenShape))) {
j--;
continue;
}
chosenArrowShapes.Add(chosenShape);
}
var shape = new CompositeArrowShape(chosenArrowShapes.ToArray());
graph.Edges.Add(x => x.FromNodeWithName(a.ToString()).ToNodeWithName(b.ToString())
.WithArrowHead(shape)
.WithLabel(shape.ToDot()));
a+=2;
b+=2;
}
return graph;
#endregion
}
public void ToDot_Produces_CompositeArrowShape_Value_If_Specified()
{
var shape = new CompositeArrowShape(ArrowShape.Box, ArrowShape.Crow);
Assert.AreEqual(new ArrowShapeType(shape).ToDot(), shape.ToDot());
}
public void ToDot_Appends_Arrow_Shapes()
{
var shape = new CompositeArrowShape(ArrowShape.Box, ArrowShape.Crow.Modify(ArrowShapeModifier.LeftClip));
Assert.AreEqual(shape.ToDot(), ArrowShape.Box.ToDot() + ArrowShape.Crow.Modify(ArrowShapeModifier.LeftClip).ToDot());
}