public void NotifyCollectionChangedEventArgsConstructor6Test() { object changedItem = new object(); int startingIndex = 5; // Doesn't matter what the value of this is. // Trying with Add NotifyCollectionChangedEventArgs args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Add, changedItem, startingIndex); CollectionChangedEventValidators.ValidateAddOperation(args, new object [] { changedItem }, startingIndex, "#F01"); // Trying with Remove args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Remove, changedItem, startingIndex); CollectionChangedEventValidators.ValidateRemoveOperation(args, new object [] { changedItem }, startingIndex, "#F02"); // Trying with Reset args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset, (object)null, -1); CollectionChangedEventValidators.ValidateResetOperation(args, "#F03"); try { args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset, changedItem, -1); Assert.Fail("Should not be able to call .ctor with NotifyCollectionChangedAction.Reset unless changeItems is null"); } catch (ArgumentException) { } try { args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset, (object)null, 1); Assert.Fail("Should not be able to call .ctor with NotifyCollectionChangedAction.Reset unless startingIndex is -1"); } catch (ArgumentException) { } try { args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset, changedItem, startingIndex); Assert.Fail("Should not be able to call .ctor with NotifyCollectionChangedAction.Reset."); } catch (ArgumentException) { } // Trying with Move try { args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Move, changedItem, startingIndex); Assert.Fail("Should not be able to call .ctor with NotifyCollectionChangedAction.Move."); } catch (ArgumentException) { } // Trying with Replace try { args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Replace, changedItem, startingIndex); Assert.Fail("Should not be able to call .ctor with NotifyCollectionChangedAction.Replace."); } catch (ArgumentException) { } }
public void NotifyCollectionChangedEventArgsConstructor3Test() { /* Expected Behavior: * * If action is Add, success. * If action is Remove, success. * If action is Reset: * If changedItem is null, success. * If changedItem is non-null, throw an Argument Exception * If action is Move or Replace, throw an Argument Exception */ object changedItem = new object(); // Trying with Add NotifyCollectionChangedEventArgs args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Add, changedItem); CollectionChangedEventValidators.ValidateAddOperation(args, new object [] { changedItem }, "#C01"); // Trying with Remove args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Remove, changedItem); CollectionChangedEventValidators.ValidateRemoveOperation(args, new object [] { changedItem }, "#C02"); // Trying with Reset args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset, (object)null); CollectionChangedEventValidators.ValidateResetOperation(args, "#C03"); try { args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset, changedItem); Assert.Fail("Should not be able to call .ctor with NotifyCollectionChangedAction.Reset."); } catch (ArgumentException) { } // Trying with Move try { args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Move, changedItem); Assert.Fail("Should not be able to call .ctor with NotifyCollectionChangedAction.Move."); } catch (ArgumentException) { } // Trying with Replace try { args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Replace, changedItem); Assert.Fail("Should not be able to call .ctor with NotifyCollectionChangedAction.Replace."); } catch (ArgumentException) { } }
public void NotifyCollectionChangedEventArgsConstructor2Test() { /* Expected Behavior: * * If action is Add, success. * If action is Remove, success. * If action is Reset: * If changedItems is null, success. * If changedItems is non-null, throw an Argument Exception * If action is Move or Replace, throw an Argument Exception */ IList changedItems = new List <object>(); // Trying with Add var args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Add, changedItems); CollectionChangedEventValidators.ValidateAddOperation(args, changedItems, "#B01"); // Trying to add a null array try { args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Add, null); Assert.Fail("Cannot call .ctor if changedItems is null."); } catch (ArgumentNullException ex) { GC.KeepAlive(ex); } // Trying with Remove args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Remove, changedItems); CollectionChangedEventValidators.ValidateRemoveOperation(args, changedItems, "#B02"); // Trying with Reset (works if changedItems is null) args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset, null); CollectionChangedEventValidators.ValidateResetOperation(args, "#B03"); try { args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset, changedItems); 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, changedItems); Assert.Fail("Should not be able to call .ctor with NotifyCollectionChangedAction.Move."); } catch (ArgumentException ex) { GC.KeepAlive(ex); } // Trying with Replace try { args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Replace, changedItems); Assert.Fail("Should not be able to call .ctor with NotifyCollectionChangedAction.Replace."); } catch (ArgumentException ex) { GC.KeepAlive(ex); } // Add some items, and repeat changedItems.Add(new object()); changedItems.Add(new object()); changedItems.Add(new object()); // Trying with Add args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Add, changedItems); CollectionChangedEventValidators.ValidateAddOperation(args, changedItems, "#B04"); // Trying with Remove args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Remove, changedItems); CollectionChangedEventValidators.ValidateRemoveOperation(args, changedItems, "#B05"); }
public void NotifyCollectionChangedEventArgsConstructor5Test() { /* Expected Behavior: * * If action is Add or Remove: * If changedItems is null, throw an ArgumentNullException. * If startingIndex < -1, throw an ArgumentException * Otherwise, success. * If action is Reset: * If changedItems is non-null, throw an ArgumentException * If startingIndex != 0, throw an ArgumentException * Otherwise, success. * If action is Move or Replace, throw an ArgumentException */ IList changedItems = new List <object>(); const int startingIndex = 5; // Doesn't matter what the value of this is. // Trying with Add var args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Add, changedItems, startingIndex); CollectionChangedEventValidators.ValidateAddOperation(args, changedItems, startingIndex, "#E01"); // Trying with Remove args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Remove, changedItems, startingIndex); CollectionChangedEventValidators.ValidateRemoveOperation(args, changedItems, startingIndex, "#E02"); // Add some items to test this one. changedItems.Add(new object()); changedItems.Add(new object()); changedItems.Add(new object()); // Trying with Add args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Add, changedItems, startingIndex); CollectionChangedEventValidators.ValidateAddOperation(args, changedItems, startingIndex, "#E03"); try { args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Add, changedItems, -5); Assert.Fail("Should not be able to call .ctor with NotifyCollectionChangedAction.Add if startingIndex < -1."); } catch (ArgumentException ex) { GC.KeepAlive(ex); } try { args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Add, null, startingIndex); Assert.Fail("Should not be able to call .ctor with NotifyCollectionChangedAction.Add if changedItems is null."); } catch (ArgumentNullException ex) { GC.KeepAlive(ex); } // Trying with Remove args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Remove, changedItems, startingIndex); CollectionChangedEventValidators.ValidateRemoveOperation(args, changedItems, startingIndex, "#E04"); try { args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Remove, changedItems, -5); Assert.Fail("Should not be able to call .ctor with NotifyCollectionChangedAction.Remove if startingIndex < -1."); } catch (ArgumentException ex) { GC.KeepAlive(ex); } try { args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Remove, null, startingIndex); Assert.Fail("Should not be able to call .ctor with NotifyCollectionChangedAction.Remove if changedItems is null."); } catch (ArgumentNullException ex) { GC.KeepAlive(ex); } // Trying with Reset args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset, null, -1); try { args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset, changedItems, -1); Assert.Fail("Should not be able to call .ctor with NotifyCollectionChangedAction.Reset unless changeItems is null"); } catch (ArgumentException ex) { GC.KeepAlive(ex); } try { args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset, null, 1); Assert.Fail("Should not be able to call .ctor with NotifyCollectionChangedAction.Reset unless startingIndex is -1"); } catch (ArgumentException ex) { GC.KeepAlive(ex); } try { args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset, changedItems, startingIndex); 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, changedItems, startingIndex); Assert.Fail("Should not be able to call .ctor with NotifyCollectionChangedAction.Move."); } catch (ArgumentException ex) { GC.KeepAlive(ex); } // Trying with Replace try { args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Replace, changedItems, startingIndex); Assert.Fail("Should not be able to call .ctor with NotifyCollectionChangedAction.Replace."); } catch (ArgumentException ex) { GC.KeepAlive(ex); } }