/V4/PrismLibrary/Desktop/Prism.Tests/Events/EventAggregatorFixture.cs

//===================================================================================

// Microsoft patterns & practices

// Composite Application Guidance for Windows Presentation Foundation and Silverlight

//===================================================================================

// Copyright (c) Microsoft Corporation.  All rights reserved.

// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY

// OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT

// LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND

// FITNESS FOR A PARTICULAR PURPOSE.

//===================================================================================

// The example companies, organizations, products, domain names,

// e-mail addresses, logos, people, places, and events depicted

// herein are fictitious.  No association with any real company,

// organization, product, domain name, email address, logo, person,

// places, or events is intended or should be inferred.

//===================================================================================

using Microsoft.Practices.Prism.Events;

using Microsoft.VisualStudio.TestTools.UnitTesting;



namespace Microsoft.Practices.Prism.Tests.Events

{

    [TestClass]

    public class EventAggregatorFixture

    {

        [TestMethod]

        public void GetReturnsSingleInstancesOfSameEventType()

        {

            var eventAggregator = new EventAggregator();

            var instance1 = eventAggregator.GetEvent<MockEventBase>();

            var instance2 = eventAggregator.GetEvent<MockEventBase>();



            Assert.AreSame(instance2, instance1);

        }



        public class MockEventBase : EventBase { }

    }





}