public void NotifyCollectionChangedEventArgsConstructor7Test()
{
object oldItem = new object();
object newItem = new object(); // Doesn't matter what the value of this is.
// Trying with Add
NotifyCollectionChangedEventArgs args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Replace, newItem, oldItem);
CollectionChangedEventValidators.ValidateReplaceOperation(args, new object[] { oldItem }, new object[] { newItem }, "#G01");
// Trying null items
args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Replace, (object)null, oldItem);
CollectionChangedEventValidators.ValidateReplaceOperation(args, new object[] { oldItem }, new object[] { null }, "#G02");
args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Replace, newItem, (object)null);
CollectionChangedEventValidators.ValidateReplaceOperation(args, new object[] { null }, new object[] { newItem }, "#G03");
// Trying with Reset
try
{
args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset, newItem, oldItem);
Assert.Fail("Should not be able to call .ctor with NotifyCollectionChangedAction.Reset.");
}
catch (ArgumentException)
{
}
// Trying with Move
try
{
args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Move, newItem, oldItem);
Assert.Fail("Should not be able to call .ctor with NotifyCollectionChangedAction.Move.");
}
catch (ArgumentException)
{
}
// Trying with Add
try
{
args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Add, newItem, oldItem);
Assert.Fail("Should not be able to call .ctor with NotifyCollectionChangedAction.Add.");
}
catch (ArgumentException)
{
}
// Trying with Remove
try
{
args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Remove, newItem, oldItem);
Assert.Fail("Should not be able to call .ctor with NotifyCollectionChangedAction.Remove.");
}
catch (ArgumentException)
{
}
}
public void NotifyCollectionChangedEventArgsConstructor11Test()
{
var newItem = new object();
var oldItem = new object();
const int startIndex = 5;
// Trying with Replace
var args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Replace, newItem, oldItem, startIndex);
CollectionChangedEventValidators.ValidateReplaceOperation(args, new object[] { oldItem }, new object[] { newItem }, startIndex, "#K01");
// Trying with Reset
try
{
args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset, newItem, oldItem, startIndex);
Assert.Fail("Should not be able to call .ctor with NotifyCollectionChangedAction.Reset.");
}
catch (ArgumentException ex)
{
GC.KeepAlive(ex);
}
// Trying with Move
try
{
args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Move, newItem, oldItem, startIndex);
Assert.Fail("Should not be able to call .ctor with NotifyCollectionChangedAction.Move.");
}
catch (ArgumentException ex)
{
GC.KeepAlive(ex);
}
// Trying with Add
try
{
args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Add, newItem, oldItem, startIndex);
Assert.Fail("Should not be able to call .ctor with NotifyCollectionChangedAction.Add.");
}
catch (ArgumentException ex)
{
GC.KeepAlive(ex);
}
// Trying with Remove
try
{
args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Remove, newItem, oldItem);
Assert.Fail("Should not be able to call .ctor with NotifyCollectionChangedAction.Remove.");
}
catch (ArgumentException ex)
{
GC.KeepAlive(ex);
}
}
public void NotifyCollectionChangedEventArgsConstructor8Test()
{
IList newItems = new List <object>();
IList oldItems = new List <object>();
const int startIndex = 5;
// Trying with Replace
var args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Replace, newItems, oldItems, startIndex);
CollectionChangedEventValidators.ValidateReplaceOperation(args, oldItems, newItems, startIndex, "#H01");
// Add some items to test this one.
newItems.Add(new object());
newItems.Add(new object());
newItems.Add(new object());
// Trying with Replace again
args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Replace, newItems, oldItems, startIndex);
CollectionChangedEventValidators.ValidateReplaceOperation(args, oldItems, newItems, startIndex, "#H02");
// Add some more items to test this one.
oldItems.Add(new object());
oldItems.Add(new object());
oldItems.Add(new object());
// Trying with Replace again
args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Replace, newItems, oldItems, startIndex);
CollectionChangedEventValidators.ValidateReplaceOperation(args, oldItems, newItems, startIndex, "#H03");
// Trying with null arguments.
try
{
args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Replace, null, oldItems, startIndex);
Assert.Fail("The newItems argument cannot be null.");
}
catch (ArgumentNullException ex)
{
GC.KeepAlive(ex);
}
try
{
args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Replace, newItems, null, startIndex);
Assert.Fail("The oldItems argument cannot be null.");
}
catch (ArgumentNullException ex)
{
GC.KeepAlive(ex);
}
// Trying with Reset
try
{
args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset, newItems, oldItems, startIndex);
Assert.Fail("Should not be able to call .ctor with NotifyCollectionChangedAction.Reset.");
}
catch (ArgumentException ex)
{
GC.KeepAlive(ex);
}
// Trying with Move
try
{
args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Move, newItems, oldItems, startIndex);
Assert.Fail("Should not be able to call .ctor with NotifyCollectionChangedAction.Move.");
}
catch (ArgumentException ex)
{
GC.KeepAlive(ex);
}
// Trying with Add
try
{
args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Add, newItems, oldItems, startIndex);
Assert.Fail("Should not be able to call .ctor with NotifyCollectionChangedAction.Add.");
}
catch (ArgumentException ex)
{
GC.KeepAlive(ex);
}
// Trying with Remove
try
{
args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Remove, newItems, oldItems);
Assert.Fail("Should not be able to call .ctor with NotifyCollectionChangedAction.Remove.");
}
catch (ArgumentException ex)
{
GC.KeepAlive(ex);
}
}
public void NotifyCollectionChangedEventArgsConstructor4Test()
{
/* Expected Behavior:
*
* If action is Replace:
* If newItems is null, throw an ArgumentNullException.
* If oldItems is null, throw an ArgumentNullException
* Otherwise, success.
* If action is not Replace, throw an ArgumentException
*/
IList newItems = new List <object>();
IList oldItems = new List <object>();
// Trying with Replace
var args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Replace, newItems, oldItems);
CollectionChangedEventValidators.ValidateReplaceOperation(args, oldItems, newItems, "#D01");
// Add some items to test this one.
newItems.Add(new object());
newItems.Add(new object());
newItems.Add(new object());
// Trying with Replace again
args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Replace, newItems, oldItems);
CollectionChangedEventValidators.ValidateReplaceOperation(args, oldItems, newItems, "#D02");
// Add some more items to test this one.
oldItems.Add(new object());
oldItems.Add(new object());
oldItems.Add(new object());
// Trying with Replace again
args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Replace, newItems, oldItems);
CollectionChangedEventValidators.ValidateReplaceOperation(args, oldItems, newItems, "#D03");
// Trying with null arguments.
try
{
args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Replace, null, oldItems);
Assert.Fail("The newItems argument cannot be null.");
}
catch (ArgumentNullException ex)
{
GC.KeepAlive(ex);
}
try
{
args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Replace, newItems, null);
Assert.Fail("The oldItems argument cannot be null.");
}
catch (ArgumentNullException ex)
{
GC.KeepAlive(ex);
}
// Trying with Reset
try
{
args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset, newItems, oldItems);
Assert.Fail("Should not be able to call .ctor with NotifyCollectionChangedAction.Reset.");
}
catch (ArgumentException ex)
{
GC.KeepAlive(ex);
}
// Trying with Move
try
{
args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Move, newItems, oldItems);
Assert.Fail("Should not be able to call .ctor with NotifyCollectionChangedAction.Move.");
}
catch (ArgumentException ex)
{
GC.KeepAlive(ex);
}
// Trying with Add
try
{
args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Add, newItems, oldItems);
Assert.Fail("Should not be able to call .ctor with NotifyCollectionChangedAction.Add.");
}
catch (ArgumentException ex)
{
GC.KeepAlive(ex);
}
// Trying with Remove
try
{
args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Remove, newItems, oldItems);
Assert.Fail("Should not be able to call .ctor with NotifyCollectionChangedAction.Remove.");
}
catch (ArgumentException ex)
{
GC.KeepAlive(ex);
}
}