public void CanExecuteReturnsTrueWithoutCanExecuteDelegate()
{
var handlers = new AsyncDelegateObjectHandlers();
var command = new global::Anori.WinUI.Commands.AsyncRelayCommand <object>(async o => await handlers.Execute(o));
var condition = command.CanExecute(null);
Assert.True(condition);
}
public void RaiseCanExecuteChangedRaisesCanExecuteChanged()
{
var handlers = new AsyncDelegateObjectHandlers();
var command = new global::Anori.WinUI.Commands.AsyncRelayCommand <object>(async o => await handlers.Execute(o), o => false);
var canExecuteChangedRaised = false;
command.CanExecuteChanged += delegate { canExecuteChangedRaised = true; };
command.RaiseCanExecuteChanged();
Assert.True(canExecuteChangedRaised);
}
public void RaiseCanExecuteChangedNoCanExecuteNoRaiseCanExecuteChanged()
{
var handlers = new AsyncDelegateObjectHandlers();
var command = new WinUI.Commands.AsyncRelayCommand <object>(async o => await handlers.Execute(o));
var canExecuteChangedRaised = false;
command.CanExecuteChanged += delegate { canExecuteChangedRaised = true; };
command.RaiseCanExecuteChanged();
Assert.False(canExecuteChangedRaised);
}
public void CanExecuteCallsPassedInCanExecuteDelegate()
{
var handlers = new AsyncDelegateObjectHandlers();
var command = new global::Anori.WinUI.Commands.AsyncRelayCommand <object>(async o => await handlers.Execute(o), handlers.CanExecute);
var parameter = new object();
handlers.CanExecuteReturnValue = true;
var actual = command.CanExecute(parameter);
Assert.AreSame(parameter, handlers.CanExecuteParameter);
Assert.AreEqual(handlers.CanExecuteReturnValue, actual);
}
public void ExecuteCallsPassedInExecuteDelegate()
{
var handlers = new AsyncDelegateObjectHandlers();
using var waitHandle = new EventWaitHandle(false, EventResetMode.AutoReset);
var command = new global::Anori.WinUI.Commands.AsyncRelayCommand <object>(async o =>
{
await handlers.Execute(o);
waitHandle.Set();
}) as ICommand;
var parameter = new object();
command.Execute(parameter);
waitHandle.WaitOne();
Assert.AreSame(parameter, handlers.ExecuteParameter);
}
