//===================================================================================
// 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 System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Windows.Controls;
using System.Windows.Data;
using Microsoft.Practices.Composite.Presentation.Regions.Behaviors;
using Microsoft.Practices.Composite.Regions;
using Microsoft.Practices.Composite.Presentation.Regions;
using Microsoft.Practices.Composite.Presentation.Tests.Mocks;
using Microsoft.VisualStudio.TestTools.UnitTesting;
namespace Microsoft.Practices.Composite.Presentation.Tests.Regions
{
[TestClass]
public class SelectorRegionAdapterFixture
{
[TestMethod]
public void AdapterAddsSelectorItemsSourceSyncBehavior()
{
var control = new ListBox();
IRegionAdapter adapter = new TestableSelectorRegionAdapter();
IRegion region = adapter.Initialize(control, "Region1");
Assert.IsNotNull(region);
Assert.IsInstanceOfType(region.Behaviors["SelectorItemsSourceSyncBehavior"], typeof(SelectorItemsSourceSyncBehavior));
}
[TestMethod]
public void AdapterDoesNotPreventRegionFromBeingGarbageCollected()
{
var selector = new ListBox();
object model = new object();
IRegionAdapter adapter = new SelectorRegionAdapter(null);
var region = adapter.Initialize(selector, "Region1");
region.Add(model);
WeakReference regionWeakReference = new WeakReference(region);
WeakReference controlWeakReference = new WeakReference(selector);
Assert.IsTrue(regionWeakReference.IsAlive);
Assert.IsTrue(controlWeakReference.IsAlive);
region = null;
selector = null;
GC.Collect();
GC.Collect();
Assert.IsFalse(regionWeakReference.IsAlive);
Assert.IsFalse(controlWeakReference.IsAlive);
}
[TestMethod]
public void ActivatingTheViewShouldUpdateTheSelectedItem()
{
var selector = new ListBox();
var view1 = new object();
var view2 = new object();
IRegionAdapter adapter = new SelectorRegionAdapter(null);
var region = adapter.Initialize(selector, "Region1");
region.Add(view1);
region.Add(view2);
Assert.AreNotEqual(view1, selector.SelectedItem);
region.Activate(view1);
Assert.AreEqual(view1, selector.SelectedItem);
region.Activate(view2);
Assert.AreEqual(view2, selector.SelectedItem);
}
[TestMethod]
public void DeactivatingTheSelectedViewShouldUpdateTheSelectedItem()
{
var selector = new ListBox();
var view1 = new object();
IRegionAdapter adapter = new SelectorRegionAdapter(null);
var region = adapter.Initialize(selector, "Region1");
region.Add(view1);
region.Activate(view1);
Assert.AreEqual(view1, selector.SelectedItem);
region.Deactivate(view1);
Assert.AreNotEqual(view1, selector.SelectedItem);
}
private class TestableSelectorRegionAdapter : SelectorRegionAdapter
{
public TestableSelectorRegionAdapter()
: base(null)
{
}
protected override IRegion CreateRegion()
{
return new Region();
}
}
}
}