public async Task Users_AfterClear_IsEmpty()
{
// Arrange
var dataService = new FakeDataService();
var viewModel = new UserViewModel(dataService);
await viewModel.RefreshUsers();
Assert.AreEqual(2, viewModel.Users.Count());
// Act
viewModel.ClearUsers();
// Assert
Assert.IsNotNull(viewModel.Users);
Assert.AreEqual(0, viewModel.Users.Count());
}
private void ClearButton_Click(object sender, RoutedEventArgs e)
{
viewModel.ClearUsers();
}