public void Add_GetSpellsByLevel_RoundTrip()
{
// Arrange
var mockSpell0 = new Mock <ISpell>();
mockSpell0.Setup(s => s.Level)
.Returns(0);
var mockCastable0 = new Mock <ICastableSpell>();
mockCastable0.Setup(c => c.Spell)
.Returns(mockSpell0.Object);
var castable0 = mockCastable0.Object;
var mockSpell1 = new Mock <ISpell>();
mockSpell1.Setup(s => s.Level)
.Returns(1);
var mockCastable1 = new Mock <ICastableSpell>();
mockCastable1.Setup(c => c.Spell)
.Returns(mockSpell1.Object);
var castable1 = mockCastable1.Object;
CastableSpellCollection spellCollection = new CastableSpellCollection();
spellCollection.Add(castable0);
spellCollection.Add(castable1);
// Act
var result = spellCollection.GetAllSpells();
// Assert
Assert.AreEqual(2, result.Length,
"Collection should have exactly two elements inside of it.");
Assert.Contains(castable0, result,
"Collection should contain a reference to the object added using the Add() method.");
Assert.Contains(castable1, result,
"Collection should contain a reference to the object added using the Add() method.");
}
public void Add_NullICastableSpell_Throws()
{
// Arrange
CastableSpellCollection spellCollection = new CastableSpellCollection();
ICastableSpell spell = null;
// Act
TestDelegate addNull = () => spellCollection.Add(spell);
// Assert
Assert.Throws <ArgumentNullException>(addNull,
"Null arguments are not allowed.");
}