/src/BurnSystems/tests/BurnSystems.UnitTests/Collections/TypedContainerTests.cs

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using NUnit.Framework;

using BurnSystems.Collections;



namespace BurnSystems.UnitTests.Collections

{

    /// <summary>

    /// Implements some tests for the typed container

    /// </summary>

    [TestFixture]

    public class TypedContainerTests

    {

        [Test]

        public void AddAndRetrieveAvailableObject()

        {

            var a = new A();

            var b = new B();



            var typedContainer = new TypedContainer();

            typedContainer.Add(a);

            typedContainer.Add(b);



            var aFound = typedContainer.Get<A>();

            Assert.That(aFound, Is.SameAs(a));



            var bFound = typedContainer.Get<B>();

            Assert.That(bFound, Is.SameAs(b));



            var cFound = typedContainer.Get<C_B>();

            Assert.That(cFound, Is.Null);

        }



        [Test]

        public void AddAndRetrieveNonAvailableObject()

        {

            var a = new A();

            var b = new B();



            var typedContainer = new TypedContainer();

            typedContainer.Add(a);

            typedContainer.Add(b);



            var cFound = typedContainer.Get<C_B>();

            Assert.That(cFound, Is.Null);

        }



        [Test]

        public void AddAndRetrieveWithInheritence()

        {

            var a = new A();

            var b = new B();

            var c = new C_B();



            var typedContainer = new TypedContainer();

            typedContainer.Add(a);

            typedContainer.Add(b);

            typedContainer.Add(c);



            var cFound = typedContainer.Get<C_B>();

            Assert.That(cFound, Is.SameAs(c));

        }



        [Test]

        public void AddAndRetrieveInheritedClass()

        {

            var c = new C_B();



            var typedContainer = new TypedContainer();

            typedContainer.Add(c);



            var bFound = typedContainer.Get<B>();

            Assert.That(bFound, Is.SameAs(c));

        }



        [Test]

        public void AddAndRetrieveInheritedClassWithException()

        {

            var b = new B();

            var c = new C_B();



            var typedContainer = new TypedContainer();

            typedContainer.Add(b);

            typedContainer.Add(c);



            Assert.Throws<InvalidOperationException>(

                () => typedContainer.Get<B>());

        }



        public class A

        {

        }



        public class B

        {

        }



        public class C_B : B

        {

        }

    }

}