public void ErrorUpdates()
{
ValidationSummaryTestPage page = new ValidationSummaryTestPage();
this.TestPanel.Children.Add(page);
ValidationSummary vs = page.validationSummary;
this.EnqueueConditional(() => { return(page.validationSummary.Initialized); });
this.EnqueueCallback(() =>
{
Assert.IsNotNull(vs);
BindingExpression be = page.nameTextBox.GetBindingExpression(TextBox.TextProperty);
Assert.IsNotNull(be);
// Cause a validation error via the input control
page.nameTextBox.Text = "ABCDEFG!@#$";
ReadOnlyObservableCollection <ValidationError> errors = Validation.GetErrors(page.nameTextBox);
Assert.AreEqual(1, errors.Count);
Assert.AreEqual(1, vs.Errors.Count);
Assert.AreEqual(errors[0].Exception.Message, vs.Errors[0].Message);
Assert.IsTrue(vs.HasErrors);
// Fix the error
page.nameTextBox.Text = "abcd";
errors = Validation.GetErrors(page.nameTextBox);
Assert.AreEqual(0, errors.Count);
Assert.AreEqual(0, vs.Errors.Count);
Assert.IsFalse(vs.HasErrors);
// Check ValidationErrorCollection
page.nameTextBox.Text = "ABCDEFG!@#$";
ValidationSummaryItem newError = new ValidationSummaryItem(null, "new error", ValidationSummaryItemType.ObjectError, null, null);
ValidationItemCollection errorCollection = vs.Errors as ValidationItemCollection;
System.Collections.Specialized.NotifyCollectionChangedEventHandler handler =
new System.Collections.Specialized.NotifyCollectionChangedEventHandler(
delegate(object o, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
{
Assert.AreEqual(newError, e.NewItems[0], "new error does not match");
});
errorCollection.CollectionChanged += handler;
Assert.AreEqual(1, errorCollection.Count);
errorCollection.Add(newError);
errorCollection.CollectionChanged -= handler;
Assert.AreEqual(2, errorCollection.Count);
errorCollection.ClearErrors(ValidationSummaryItemType.ObjectError);
Assert.AreEqual(1, errorCollection.Count);
});
EnqueueTestComplete();
}
/// <summary>
/// Clears errors of the given source type
/// </summary>
/// <param name="errorType">The type of the error (Entity or Property)</param>
internal void ClearErrors(ValidationSummaryItemType errorType)
{
// Clear entity errors
ValidationItemCollection errorsToRemove = new ValidationItemCollection();
foreach (ValidationSummaryItem error in this)
{
if (error != null && error.ItemType == errorType)
{
errorsToRemove.Add(error);
}
}
foreach (ValidationSummaryItem error in errorsToRemove)
{
this.Remove(error);
}
}
internal void ClearErrors(ValidationSummaryItemType errorType)
{
ValidationItemCollection items = new ValidationItemCollection();
foreach (ValidationSummaryItem item in this)
{
if (item == null)
{
continue;
}
if (item.ItemType == errorType)
{
items.Add(item);
}
}
foreach (ValidationSummaryItem item2 in items)
{
base.Remove(item2);
}
}