public void ShouldNotTrackAddedItemAsModified()
{
var emailToAdd = new FriendEmailWrapper(new FriendEmail());
var c = new ChangeTrackingCollections <FriendEmailWrapper>(_emails);
c.Add(emailToAdd);
emailToAdd.Email = "*****@*****.**";
Assert.IsTrue(emailToAdd.IsChanged);
Assert.AreEqual(3, c.Count);
Assert.AreEqual(1, c.AddedItems.Count);
Assert.AreEqual(0, c.RemovedItems.Count);
Assert.AreEqual(0, c.ModifiedItems.Count);
Assert.IsTrue(c.IsChanged);
}
public void ShouldTrackRemovedItems()
{
var emailToRemove = _emails.First();
var c = new ChangeTrackingCollections <FriendEmailWrapper>(_emails);
Assert.AreEqual(2, c.Count);
Assert.IsFalse(c.IsChanged);
c.Remove(emailToRemove);
Assert.AreEqual(1, c.Count);
Assert.AreEqual(0, c.AddedItems.Count);
Assert.AreEqual(1, c.RemovedItems.Count);
Assert.AreEqual(0, c.ModifiedItems.Count);
Assert.AreEqual(emailToRemove, c.RemovedItems.First());
Assert.IsTrue(c.IsChanged);
c.Add(emailToRemove);
Assert.AreEqual(2, c.Count);
Assert.AreEqual(0, c.AddedItems.Count);
Assert.AreEqual(0, c.RemovedItems.Count);
Assert.AreEqual(0, c.ModifiedItems.Count);
Assert.IsFalse(c.IsChanged);
}
public void ShouldRejectChanges()
{
var emailToModify = _emails.First();
var emailToRemove = _emails.Skip(1).First();
var emailToAdd = new FriendEmailWrapper(new FriendEmail {
Email = "*****@*****.**"
});
var c = new ChangeTrackingCollections <FriendEmailWrapper>(_emails);
c.Add(emailToAdd);
c.Remove(emailToRemove);
emailToModify.Email = "*****@*****.**";
Assert.AreEqual("*****@*****.**", emailToModify.EmailOriginalValue);
Assert.AreEqual(2, c.Count);
Assert.AreEqual(1, c.AddedItems.Count);
Assert.AreEqual(1, c.ModifiedItems.Count);
Assert.AreEqual(1, c.RemovedItems.Count);
c.RejectChanges();
Assert.AreEqual(2, c.Count);
Assert.IsTrue(c.Contains(emailToModify));
Assert.IsTrue(c.Contains(emailToRemove));
Assert.AreEqual(0, c.AddedItems.Count);
Assert.AreEqual(0, c.ModifiedItems.Count);
Assert.AreEqual(0, c.RemovedItems.Count);
Assert.IsFalse(emailToModify.IsChanged);
Assert.AreEqual("*****@*****.**", emailToModify.Email);
Assert.AreEqual("*****@*****.**", emailToModify.EmailOriginalValue);
Assert.IsFalse(c.IsChanged);
}