71b6dc90a2
git-svn-id: file:///srv/devel/repo-conversion/nusu@12 d2e56fa2-650e-0410-a79f-9358c0239efd
108 lines
3.6 KiB
C#
108 lines
3.6 KiB
C#
using System;
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using System.Collections.Generic;
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#if UNITTEST
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using NUnit.Framework;
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using NMock2;
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namespace Nuclex.Support.Collections {
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/// <summary>Unit Test for the observable collection class</summary>
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[TestFixture]
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public class ObservableCollectionTest {
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/// <summary>Interface used to test the observable collection.</summary>
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public interface IObservableCollectionSubscriber {
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/// <summary>Called when the collection is about to clear its contents</summary>
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/// <param name="sender">Collection that is clearing its contents</param>
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/// <param name="e">Not used</param>
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void Clearing(object sender, EventArgs e);
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/// <summary>Called when an item is added to the collection</summary>
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/// <param name="sender">Collection to which an item is being added</param>
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/// <param name="e">Contains the item that is being added</param>
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void ItemAdded(object sender, ObservableCollection<int>.ItemEventArgs e);
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/// <summary>Called when an item is removed from the collection</summary>
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/// <param name="sender">Collection from which an item is being removed</param>
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/// <param name="e">Contains the item that is being removed</param>
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void ItemRemoved(object sender, ObservableCollection<int>.ItemEventArgs e);
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}
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/// <summary>Initialization routine executed before each test is run</summary>
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[SetUp]
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public void Setup() {
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this.mockery = new Mockery();
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this.mockedSubscriber = this.mockery.NewMock<IObservableCollectionSubscriber>();
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this.observedCollection = new ObservableCollection<int>();
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this.observedCollection.Clearing += new EventHandler(this.mockedSubscriber.Clearing);
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this.observedCollection.ItemAdded +=
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new EventHandler<ObservableCollection<int>.ItemEventArgs>(
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this.mockedSubscriber.ItemAdded
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);
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this.observedCollection.ItemRemoved +=
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new EventHandler<ObservableCollection<int>.ItemEventArgs>(
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this.mockedSubscriber.ItemRemoved
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);
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this.mockery.VerifyAllExpectationsHaveBeenMet();
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}
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/// <summary>Tests whether the Clearing event is fired</summary>
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[Test]
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public void TestClearingEvent() {
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Expect.Once.On(this.mockedSubscriber).
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Method("Clearing");
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this.observedCollection.Clear();
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this.mockery.VerifyAllExpectationsHaveBeenMet();
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}
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/// <summary>Tests whether the ItemAdded event is fired</summary>
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[Test]
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public void TestItemAddedEvent() {
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Expect.Once.On(this.mockedSubscriber).
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Method("ItemAdded").
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WithAnyArguments();
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this.observedCollection.Add(123);
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this.mockery.VerifyAllExpectationsHaveBeenMet();
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}
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/// <summary>Tests whether the ItemRemoved event is fired</summary>
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[Test]
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public void TestItemRemovedEvent() {
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Expect.Once.On(this.mockedSubscriber).
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Method("ItemAdded").
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WithAnyArguments();
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Expect.Once.On(this.mockedSubscriber).
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Method("ItemRemoved").
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WithAnyArguments();
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this.observedCollection.Add(123);
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this.observedCollection.Remove(123);
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this.mockery.VerifyAllExpectationsHaveBeenMet();
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}
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/// <summary>Mock object factory</summary>
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private Mockery mockery;
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/// <summary>The mocked observable collection subscriber</summary>
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private IObservableCollectionSubscriber mockedSubscriber;
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/// <summary>An observable collection to which a mock will be subscribed</summary>
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private ObservableCollection<int> observedCollection;
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}
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} // namespace Nuclex.Support.Collections
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#endif // UNITTEST
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