public void Export_Without_Design()
{
Cat cat = new Cat();
Bacteria bacteria = new Bacteria();
Pen pen = new Pen();
var catExport = cat.Export();
var bacteriaExport = bacteria.Export();
var penExport = pen.Export();
Assert.Equal($"The age of the cat is 6", catExport);
Assert.Equal($"The name of the bacteria is Actinopolyspora halophila", bacteriaExport);
Assert.Equal($"The brand of the pen is Mont Blanc", penExport);
}
public void Export_Visitor_Design()
{
var visitor = new ExtractVisitor();
Cat cat = new Cat();
Bacteria bacteria = new Bacteria();
Pen pen = new Pen();
cat.Accept(visitor);
bacteria.Accept(visitor);
pen.Accept(visitor);
Assert.Equal($"The age of the cat is 6", visitor.CatExport);
Assert.Equal($"The name of the bacteria is Actinopolyspora halophila", visitor.BacteriaExport);
Assert.Equal($"The brand of the pen is Mont Blanc", visitor.PenExport);
}
public void Visit(Bacteria bacteria)
{
BacteriaExport = "The name of the bacteria is " + bacteria.Name;
}