/// <summary>
/// Verifies that the expected collection events are raised from the <see cref="ValidationResultCollection"/>
/// for validation results with the specified member names.
/// </summary>
/// <param name="validationResultMemberNames">
/// The array of member names to create validation results for that will be
/// added and removed from the collection.
/// </param>
/// <param name="errorsChangedMemberNames">The array of member names to expect errors changed events for.</param>
private static void VerifyAddRemoveCollectionEvents(string[] validationResultMemberNames, string[] errorsChangedMemberNames)
{
int collectionChangedCount = 0;
int hasErrorsChangedCount = 0;
List <string> propertyErrorsChangedList = new List <string>();
Action collectionChanged = () => ++ collectionChangedCount;
Action hasErrorsChanged = () => ++ hasErrorsChangedCount;
Action <string> propertyErrorsChanged = propertyName => propertyErrorsChangedList.Add(propertyName);
ValidationResultCollection collection = new TestValidationResultCollection(collectionChanged, hasErrorsChanged, propertyErrorsChanged);
ValidationResult vr1 = new ValidationResult("Error 1", validationResultMemberNames);
collection.Add(vr1);
Assert.AreEqual <int>(1, collectionChangedCount, "CollectionChanged count for first add");
Assert.AreEqual <int>(1, hasErrorsChangedCount, "HasErrorsChanged count for first add");
Assert.IsTrue(propertyErrorsChangedList.OrderBy(s => s).SequenceEqual(errorsChangedMemberNames.OrderBy(s => s)), "propertyErrorsChangedList for first add");
collectionChangedCount = 0;
hasErrorsChangedCount = 0;
propertyErrorsChangedList.Clear();
ValidationResult vr2 = new ValidationResult("Error 2", validationResultMemberNames);
collection.Add(vr2);
Assert.AreEqual <int>(1, collectionChangedCount, "CollectionChanged count for second add");
Assert.AreEqual <int>(0, hasErrorsChangedCount, "HasErrorsChanged count for second add");
Assert.IsTrue(propertyErrorsChangedList.OrderBy(s => s).SequenceEqual(errorsChangedMemberNames.OrderBy(s => s)), "propertyErrorsChangedList for second add");
collectionChangedCount = 0;
hasErrorsChangedCount = 0;
propertyErrorsChangedList.Clear();
collection.Remove(vr1);
Assert.AreEqual <int>(1, collectionChangedCount, "CollectionChanged count for first remove");
Assert.AreEqual <int>(0, hasErrorsChangedCount, "HasErrorsChanged count for first remove");
Assert.IsTrue(propertyErrorsChangedList.OrderBy(s => s).SequenceEqual(errorsChangedMemberNames.OrderBy(s => s)), "propertyErrorsChangedList for first remove");
collectionChangedCount = 0;
hasErrorsChangedCount = 0;
propertyErrorsChangedList.Clear();
collection.Remove(vr2);
Assert.AreEqual <int>(1, collectionChangedCount, "CollectionChanged count for second remove");
Assert.AreEqual <int>(1, hasErrorsChangedCount, "HasErrorsChanged count for second remove");
Assert.IsTrue(propertyErrorsChangedList.OrderBy(s => s).SequenceEqual(errorsChangedMemberNames.OrderBy(s => s)), "propertyErrorsChangedList for second remove");
}
/// <summary>
/// Verifies that the expected collection events are raised from the <see cref="ValidationResultCollection"/>
/// for validation results with the specified member names.
/// </summary>
/// <param name="validationResultMemberNames">
/// The array of member names to create validation results for that will be
/// added and removed from the collection.
/// </param>
/// <param name="errorsChangedMemberNames">The array of member names to expect errors changed events for.</param>
private static void VerifyAddRemoveCollectionEvents(string[] validationResultMemberNames, string[] errorsChangedMemberNames)
{
int collectionChangedCount = 0;
int hasErrorsChangedCount = 0;
List<string> propertyErrorsChangedList = new List<string>();
Action collectionChanged = () => ++collectionChangedCount;
Action hasErrorsChanged = () => ++hasErrorsChangedCount;
Action<string> propertyErrorsChanged = propertyName => propertyErrorsChangedList.Add(propertyName);
ValidationResultCollection collection = new TestValidationResultCollection(collectionChanged, hasErrorsChanged, propertyErrorsChanged);
ValidationResult vr1 = new ValidationResult("Error 1", validationResultMemberNames);
collection.Add(vr1);
Assert.AreEqual<int>(1, collectionChangedCount, "CollectionChanged count for first add");
Assert.AreEqual<int>(1, hasErrorsChangedCount, "HasErrorsChanged count for first add");
Assert.IsTrue(propertyErrorsChangedList.OrderBy(s => s).SequenceEqual(errorsChangedMemberNames.OrderBy(s => s)), "propertyErrorsChangedList for first add");
collectionChangedCount = 0;
hasErrorsChangedCount = 0;
propertyErrorsChangedList.Clear();
ValidationResult vr2 = new ValidationResult("Error 2", validationResultMemberNames);
collection.Add(vr2);
Assert.AreEqual<int>(1, collectionChangedCount, "CollectionChanged count for second add");
Assert.AreEqual<int>(0, hasErrorsChangedCount, "HasErrorsChanged count for second add");
Assert.IsTrue(propertyErrorsChangedList.OrderBy(s => s).SequenceEqual(errorsChangedMemberNames.OrderBy(s => s)), "propertyErrorsChangedList for second add");
collectionChangedCount = 0;
hasErrorsChangedCount = 0;
propertyErrorsChangedList.Clear();
collection.Remove(vr1);
Assert.AreEqual<int>(1, collectionChangedCount, "CollectionChanged count for first remove");
Assert.AreEqual<int>(0, hasErrorsChangedCount, "HasErrorsChanged count for first remove");
Assert.IsTrue(propertyErrorsChangedList.OrderBy(s => s).SequenceEqual(errorsChangedMemberNames.OrderBy(s => s)), "propertyErrorsChangedList for first remove");
collectionChangedCount = 0;
hasErrorsChangedCount = 0;
propertyErrorsChangedList.Clear();
collection.Remove(vr2);
Assert.AreEqual<int>(1, collectionChangedCount, "CollectionChanged count for second remove");
Assert.AreEqual<int>(1, hasErrorsChangedCount, "HasErrorsChanged count for second remove");
Assert.IsTrue(propertyErrorsChangedList.OrderBy(s => s).SequenceEqual(errorsChangedMemberNames.OrderBy(s => s)), "propertyErrorsChangedList for second remove");
}