public void CanExecuteOverloadExecutesTruePredicate()
{
var command = new RelayCommand(obj => { }, obj => (int)obj == 1);
Assert.IsTrue(command.CanExecute(1));
}
public void CanExecuteIsTrueByDefault()
{
var command = new RelayCommand(obj => { });
Assert.IsTrue(command.CanExecute(null));
}