1  // Copyright (c) Microsoft Corporation
 2  // The Microsoft Corporation licenses this file to you under the MIT license.
 3  // See the LICENSE file in the project root for more information.
 4  
 5  using System.Runtime.CompilerServices;
 6  using System.Windows.Input;
 7  
 8  using Microsoft.VisualStudio.TestTools.UnitTesting;
 9  using PowerLauncher.ViewModel;
10  using Wox.Plugin;
11  
12  namespace Wox.Test
13  {
14      [TestClass]
15      public class WoxTest
16      {
17          // A Dummy class to test that OnPropertyChanged() is called while we set the variable
18          private sealed class DummyTestClass : BaseModel
19          {
20              public bool IsFunctionCalled { get; set; }
21  
22              private ICommand _item;
23  
24              public ICommand Item
25              {
26                  get
27                  {
28                      return _item;
29                  }
30  
31                  set
32                  {
33                      if (value != _item)
34                      {
35                          _item = value;
36                          OnPropertyChanged();
37                      }
38                  }
39              }
40  
41              // Overriding the OnPropertyChanged() function to test if it is being called
42              protected override void OnPropertyChanged([CallerMemberName] string propertyName = null)
43              {
44                  IsFunctionCalled = true;
45              }
46          }
47  
48          [TestMethod]
49          public void AnyVariableMustCallOnPropertyChangedWhenSet()
50          {
51              // Arrange
52              DummyTestClass testClass = new DummyTestClass();
53  
54              // Act
55              testClass.Item = new RelayCommand(null);
56  
57              // Assert
58              Assert.IsTrue(testClass.IsFunctionCalled);
59          }
60      }
61  }