145 lines
5.1 KiB
C#
145 lines
5.1 KiB
C#
#region Apache License 2.0
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/*
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Nuclex .NET Framework
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Copyright (C) 2002-2024 Markus Ewald / Nuclex Development Labs
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#endregion // Apache License 2.0
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#if !NO_NMOCK
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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 NMock;
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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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internal class ObservableCollectionTest {
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#region interface IObservableCollectionSubscriber
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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="arguments">Not used</param>
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void Clearing(object sender, EventArgs arguments);
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/// <summary>Called when the collection has been cleared of its contents</summary>
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/// <param name="sender">Collection that was cleared of its contents</param>
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/// <param name="arguments">Not used</param>
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void Cleared(object sender, EventArgs arguments);
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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="arguments">Contains the item that is being added</param>
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void ItemAdded(object sender, ItemEventArgs<int> arguments);
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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="arguments">Contains the item that is being removed</param>
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void ItemRemoved(object sender, ItemEventArgs<int> arguments);
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}
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#endregion // interface IObservableCollectionSubscriber
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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 MockFactory();
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this.mockedSubscriber = this.mockery.CreateMock<IObservableCollectionSubscriber>();
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this.observedCollection = new ObservableCollection<int>();
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this.observedCollection.Clearing += new EventHandler(
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this.mockedSubscriber.MockObject.Clearing
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);
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this.observedCollection.Cleared += new EventHandler(
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this.mockedSubscriber.MockObject.Cleared
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);
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this.observedCollection.ItemAdded += new EventHandler<ItemEventArgs<int>>(
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this.mockedSubscriber.MockObject.ItemAdded
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);
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this.observedCollection.ItemRemoved += new EventHandler<ItemEventArgs<int>>(
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this.mockedSubscriber.MockObject.ItemRemoved
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);
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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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this.mockedSubscriber.Expects.One.Method(m => m.Clearing(null, null)).WithAnyArguments();
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this.mockedSubscriber.Expects.One.Method(m => m.Cleared(null, null)).WithAnyArguments();
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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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this.mockedSubscriber.Expects.One.Method(m => m.ItemAdded(null, null)).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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this.mockedSubscriber.Expects.One.Method(m => m.ItemAdded(null, null)).WithAnyArguments();
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this.observedCollection.Add(123);
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this.mockedSubscriber.Expects.One.Method(m => m.ItemRemoved(null, null)).WithAnyArguments();
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this.observedCollection.Remove(123);
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this.mockery.VerifyAllExpectationsHaveBeenMet();
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}
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/// <summary>Tests whether a the list constructor is working</summary>
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[Test]
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public void TestListConstructor() {
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int[] integers = new int[] { 12, 34, 56, 78 };
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var testCollection = new ObservableCollection<int>(integers);
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CollectionAssert.AreEqual(integers, testCollection);
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}
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/// <summary>Mock object factory</summary>
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private MockFactory mockery;
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/// <summary>The mocked observable collection subscriber</summary>
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private Mock<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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#endif // !NO_NMOCK
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