61 lines
1.6 KiB
C#
61 lines
1.6 KiB
C#
// Licensed to the .NET Foundation under one or more agreements.
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// The .NET Foundation licenses this file to you under the MIT license.
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// See the LICENSE file in the project root for more information.
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using System;
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using System.ComponentModel;
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using CommunityToolkit.Mvvm.ComponentModel;
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using Microsoft.VisualStudio.TestTools.UnitTesting;
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namespace CommunityToolkit.Mvvm.DisableINotifyPropertyChanging.UnitTests;
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[TestClass]
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public class Test_DisableINotifyPropertyChanging
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{
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static Test_DisableINotifyPropertyChanging()
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{
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AppContext.SetSwitch("MVVMTOOLKIT_DISABLE_INOTIFYPROPERTYCHANGING", true);
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}
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[TestMethod]
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public void Test_ObservableObject_Events()
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{
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SampleModel<int>? model = new();
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(PropertyChangedEventArgs, int) changed = default;
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model.PropertyChanging += (s, e) => Assert.Fail();
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model.PropertyChanged += (s, e) =>
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{
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Assert.IsNull(changed.Item1);
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Assert.AreSame(model, s);
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Assert.IsNotNull(s);
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Assert.IsNotNull(e);
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changed = (e, model.Data);
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};
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model.Data = 42;
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Assert.AreEqual(changed.Item1?.PropertyName, nameof(SampleModel<int>.Data));
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Assert.AreEqual(changed.Item2, 42);
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}
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public class SampleModel<T> : ObservableObject
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{
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private T? data;
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public T? Data
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{
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get => this.data;
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set => SetProperty(ref this.data, value);
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}
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protected override void OnPropertyChanging(PropertyChangingEventArgs e)
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{
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Assert.Fail();
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}
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}
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}
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