public void Test_ObservableValidator_ValidateAllProperties_WithFallback()
{
var model = new PersonWithDeferredValidation();
var events = new List <DataErrorsChangedEventArgs>();
MethodInfo[] staticMethods = typeof(ObservableValidator).GetMethods(BindingFlags.Static | BindingFlags.NonPublic);
MethodInfo validationMethod = staticMethods.Single(static m => m.Name.Contains("GetValidationActionFallback"));
public void Test_ObservableValidator_ValidateAllProperties()
{
var model = new PersonWithDeferredValidation();
var events = new List <DataErrorsChangedEventArgs>();
model.ErrorsChanged += (s, e) => events.Add(e);
model.ValidateAllProperties();
Assert.IsTrue(model.HasErrors);
Assert.IsTrue(events.Count == 2);
// Note: we can't use an index here because the order used to return properties
// from reflection APIs is an implementation detail and might change at any time.
Assert.IsTrue(events.Any(e => e.PropertyName == nameof(Person.Name)));
Assert.IsTrue(events.Any(e => e.PropertyName == nameof(Person.Age)));
events.Clear();
model.Name = "James";
model.Age = 42;
model.ValidateAllProperties();
Assert.IsFalse(model.HasErrors);
Assert.IsTrue(events.Count == 2);
Assert.IsTrue(events.Any(e => e.PropertyName == nameof(Person.Name)));
Assert.IsTrue(events.Any(e => e.PropertyName == nameof(Person.Age)));
events.Clear();
model.Age = -10;
model.ValidateAllProperties();
Assert.IsTrue(model.HasErrors);
Assert.IsTrue(events.Count == 1);
Assert.IsTrue(events.Any(e => e.PropertyName == nameof(Person.Age)));
}
