public void MultipleActionsWithoutSuspendingNotifications()
{
var counter = 0;
var fastCollection = new FastObservableCollection <int>();
fastCollection.AutomaticallyDispatchChangeNotifications = false;
fastCollection.CollectionChanged += (sender, e) => counter++;
fastCollection.Add(0);
fastCollection.Add(1);
fastCollection.Remove(0);
fastCollection.Remove(1);
fastCollection.AddRange(new[] { 1, 2 });
fastCollection[0] = 5;
fastCollection.Move(0, 1);
fastCollection.Clear();
Assert.AreEqual(9, counter);
}
/// <summary>
/// Initializes a new instance of the <see cref="EmployeesViewModel"/> class.
/// </summary>
public EmployeesViewModel(IMessageMediator messageMediator, IUIVisualizerService uiVisualizerService, IEmployeeRepository employeeRepository,
IMessageService messageService)
: base(messageMediator)
{
Argument.IsNotNull(() => uiVisualizerService);
Argument.IsNotNull(() => employeeRepository);
Argument.IsNotNull(() => messageService);
_uiVisualizerService = uiVisualizerService;
_employeeRepository = employeeRepository;
_messageService = messageService;
AddEmployee = new Command(OnAddEmployeeExecute);
EditEmployee = new Command(OnEditEmployeeExecute, OnEditEmployeeCanExecute);
DeleteEmployee = new Command(OnDeleteEmployeeExecute, OnDeleteEmployeeCanExecute);
Employees = new FastObservableCollection<IEmployee>();
if (!ObjectHelper.IsNull(SelectedDepartment))
{
Employees.AddRange(EmployeeRepository.GetAllEmployees(SelectedDepartment.Name));
}
if (Employees.Count > 0)
{
SelectedEmployee = Employees[0];
}
Mediator.Register<string>(this, OnSelectedDepartmentUpdated, "UpdateEmployees");
}
/// <summary>
/// Initializes a new instance of the <see cref="EmployeesViewModel"/> class.
/// </summary>
public EmployeesViewModel(IMessageMediator messageMediator, IUIVisualizerService uiVisualizerService, IEmployeeRepository employeeRepository,
IMessageService messageService)
: base(messageMediator)
{
Argument.IsNotNull(() => uiVisualizerService);
Argument.IsNotNull(() => employeeRepository);
Argument.IsNotNull(() => messageService);
_uiVisualizerService = uiVisualizerService;
_employeeRepository = employeeRepository;
_messageService = messageService;
AddEmployee = new Command(OnAddEmployeeExecute);
EditEmployee = new Command(OnEditEmployeeExecute, OnEditEmployeeCanExecute);
DeleteEmployee = new Command(OnDeleteEmployeeExecute, OnDeleteEmployeeCanExecute);
Employees = new FastObservableCollection <IEmployee>();
if (!ObjectHelper.IsNull(SelectedDepartment))
{
Employees.AddRange(EmployeeRepository.GetAllEmployees(SelectedDepartment.Name));
}
if (Employees.Count > 0)
{
SelectedEmployee = Employees[0];
}
Mediator.Register <string>(this, OnSelectedDepartmentUpdated, "UpdateEmployees");
}
public void TestAddRangeShouldRaiseCollectionChangedEventOnce()
{
var timesRaised = 0;
_collection.CollectionChanged += (s, e) => timesRaised++;
_collection.AddRange(_items);
Assert.That(timesRaised, Is.EqualTo(1));
}
