public void Initialize()
{
p1 = new Principal(nameof(p1));
p2 = new Principal(nameof(p2));
//Hierarchy from Myers2000 - Figure 3
carl = new Principal(nameof(carl));
manager = new Principal(nameof(manager));
doctor = new Principal(nameof(doctor));
bob = new Principal(nameof(bob));
amy = new Principal(nameof(amy));
group = new Principal(nameof(group));
carl.AddSubordinate(manager);
carl.AddSubordinate(doctor);
manager.AddSubordinate(bob);
manager.AddSubordinate(amy);
bob.AddSubordinate(group);
amy.AddSubordinate(group);
}
public void AddSubordinateTest()
{
Assert.True(p1.AddSubordinate(p2), $"{p1.Name} can have {p2.Name} added as a subordinate as it doesn't already have it.");
Assert.False(p1.AddSubordinate(p2), $"{p1.Name} cannot have {p2.Name} added as a subordinate, because it already has it.");
var ex = Assert.Throws <PrincipalCircularDependencyException>(() => p2.AddSubordinate(p1), $"{p2.Name} cannot have {p2.Name} added as a subordinate, because it would cause a circular dependency");
}