public void ParameterOfTypeInt()
{
var vm = new ViewModelCoffe();
var behavior = new EventToCommandBehavior <int>
{
EventName = nameof(ListView.ItemTapped),
Command = vm.SelectedCommand,
CommandParameter = 2
};
var nullArgs = new object?[] { null, null };
TriggerEventToCommandBehavior(behavior, nullArgs);
}
public void NoExceptionWhenTheSelectedItemIsNull()
{
var vm = new ViewModelCoffe();
var behavior = new EventToCommandBehavior <Coffee>
{
EventName = nameof(ListView.ItemTapped),
EventArgsConverter = new ItemSelectedEventArgsConverter(),
Command = vm.SelectedCommand
};
Assert.Null(vm.CoffeeName);
var coffeNull = default(Coffee);
var notNullArgs = new object?[] { null, new SelectedItemChangedEventArgs(coffeNull, -1) };
TriggerEventToCommandBehavior(behavior, notNullArgs);
Assert.Null(vm.CoffeeName);
}
public void NoExceptionWhenTheEventArgsAreNotNull_InheritedType()
{
var vm = new ViewModelCoffe();
var behavior = new EventToCommandBehavior <Coffee>
{
EventName = nameof(ListView.ItemTapped),
EventArgsConverter = new ItemSelectedEventArgsConverter(),
Command = vm.SelectedCommand
};
Assert.Null(vm.CoffeeName);
var coffe = new Starbucks {
Id = 1, Name = "Latte"
};
var eventArgs = new SelectedItemChangedEventArgs(coffe, 1);
var notNullArgs = new object?[] { null, eventArgs };
TriggerEventToCommandBehavior(behavior, notNullArgs);
Assert.AreEqual(coffe.Name, vm.CoffeeName);
}
