public void ShouldReturnNullIfEmpty()
{
//arrange
var set = new TypedSet <FooBase>();
//act
var returnedItem = set.Get <Foo1>();
//assert
Assert.AreEqual(null, returnedItem);
}
public void ShouldReturnNullIfDoesNotContain()
{
//arrange
var set = new TypedSet <FooBase>();
set.Insert(new Foo1());
set.Insert(new Foo2());
//act
var returnedItem = set.Get <Foo3>();
//assert
Assert.AreEqual(null, returnedItem);
}
public void ShouldReturnItemOfDesiredTypeIfContains()
{
//arrange
var set = new TypedSet <FooBase>();
var desiredItem = new Foo3();
set.Insert(new Foo1());
set.Insert(new Foo2());
set.Insert(desiredItem);
//act
var returnedItem = set.Get <Foo3>();
//assert
Assert.AreEqual(desiredItem, returnedItem);
}