public void Humans_can_reproduce_when_there_is_a_name_a_mother_and_a_father()
{
Adam adam = Adam.GetInstance();
Eve eve = Eve.GetInstance(adam);
Male seth = new Male("Seth", eve, adam);
Female azura = new Female("Azura", eve, adam);
Male enos = new Male("Enos", azura, seth);
Assert.AreEqual("Eve", eve.Name);
Assert.AreEqual("Adam", adam.Name);
Assert.AreEqual("Seth", seth.Name);
Assert.AreEqual("Azura", azura.Name);
Assert.AreEqual("Enos", ((Human)enos).Name);
Assert.AreEqual(seth, ((Human)enos).Father);
Assert.AreEqual(azura, ((Human)enos).Mother);
}
public void Human_can_reproduce_when_they_have_a_mother_and_father_and_have_a_name()
{
var adam = Adam.GetInstance();
var eve = Eve.GetInstance(adam);
var seth = new Male("Seth", eve, adam);
var azura = new Female("Azura", eve, adam);
var enos = new Male("Enos", azura, seth);
Assert.AreEqual("Eve", eve.Name);
Assert.AreEqual("Adam", adam.Name);
Assert.AreEqual("Seth", seth.Name);
Assert.AreEqual("Azura", azura.Name);
Assert.AreEqual("Enos", ((Human)enos).Name);
Assert.AreEqual(seth, ((Human)enos).Father);
Assert.AreEqual(azura, ((Human)enos).Mother);
}
public void Eve_is_unique_and_created_from_a_rib_of_adam()
{
Adam adam = Adam.GetInstance();
Eve eve = Eve.GetInstance(adam);
Eve anotherEve = Eve.GetInstance(adam);
Assert.IsTrue(eve is Eve);
Assert.AreEqual(eve, anotherEve);
// GetInstance() is the only static method on Eve
Assert.AreEqual(1, typeof(Eve).GetMethods().Where(x => x.IsStatic).Count());
// Eve has no public or internal constructor
Assert.IsFalse(typeof(Eve).GetConstructors(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance)
.Any(x => x.IsPublic || x.IsAssembly));
// Eve cannot be overridden
Assert.IsTrue(typeof(Eve).IsSealed);
}
public void Father_and_mother_are_essential_for_reproduction()
{
// There is just 1 way to reproduce
Assert.AreEqual(1, typeof(Male).GetConstructors(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance)
.Where(x => x.IsPublic || x.IsAssembly).Count());
Assert.AreEqual(1, typeof(Female).GetConstructors(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance).
Where(x => x.IsPublic || x.IsAssembly).Count());
var adam = Adam.GetInstance();
var eve = Eve.GetInstance(adam);
Assert.Throws <ArgumentNullException>(() => new Male("Seth", null, null));
Assert.Throws <ArgumentNullException>(() => new Male("Abel", eve, null));
Assert.Throws <ArgumentNullException>(() => new Male("Seth", null, adam));
Assert.Throws <ArgumentNullException>(() => new Female("Azura", null, null));
Assert.Throws <ArgumentNullException>(() => new Female("Awan", eve, null));
Assert.Throws <ArgumentNullException>(() => new Female("Dina", null, adam));
Assert.Throws <ArgumentNullException>(() => new Female("Eve", null, null));
Assert.Throws <ArgumentNullException>(() => new Male("Adam", null, null));
}
public void Eve_is_a_female()
{
Assert.IsTrue(Eve.GetInstance(Adam.GetInstance()) is Female);
}
public void Eve_is_a_human()
{
Assert.IsTrue(Eve.GetInstance(Adam.GetInstance()) is Human);
}
public void Eve_can_only_be_create_of_a_rib_of_adam()
{
Assert.Throws <ArgumentNullException>(() => Eve.GetInstance(null));
}
public void Eve_is_a_human()
{
Console.WriteLine(Adam.GetInstance() is Human);
Assert.IsTrue(Eve.GetInstance(Adam.GetInstance()) is Human);
}