public void UndoablePropertyValueRedo()
{
BookCollection myBooks = new BookCollection();
myBooks.Name = "A few of my favorite books";
myBooks.Library.Add( ClockWorkOrange );
myBooks.Library.Add( DarwinsGod );
myBooks.Library.Add( SoftwareEstimates );
myBooks.FavoriteBook = ClockWorkOrange;
// Redo of a basic property
UndoablePropertyValue<BookCollection, String> nameChange =
new UndoablePropertyValue<BookCollection, String>( myBooks, "Name", UndoableActions.Modify, "A few of my favorite books", "A few of my books" );
nameChange.Redo();
Assert.AreEqual( "A few of my books", myBooks.Name );
Assert.AreEqual( 3, myBooks.Library.Count );
Assert.IsTrue( myBooks.Library.Contains( DarwinsGod ) );
Assert.IsTrue( myBooks.Library.Contains( SoftwareEstimates ) );
Assert.IsTrue( myBooks.Library.Contains( ClockWorkOrange ) );
Assert.AreEqual( ClockWorkOrange, myBooks.FavoriteBook );
UndoablePropertyValue<BookCollection, Book> favoriteChange =
new UndoablePropertyValue<BookCollection, Book>( myBooks, "FavoriteBook", UndoableActions.Modify, ClockWorkOrange, MereChristianity );
favoriteChange.Redo();
Assert.AreEqual( "A few of my books", myBooks.Name );
Assert.AreEqual( 3, myBooks.Library.Count );
Assert.IsTrue( myBooks.Library.Contains( DarwinsGod ) );
Assert.IsTrue( myBooks.Library.Contains( SoftwareEstimates ) );
Assert.IsTrue( myBooks.Library.Contains( ClockWorkOrange ) );
Assert.AreEqual( MereChristianity, myBooks.FavoriteBook );
// Redo of a removal from a collection
UndoablePropertyValue<BookCollection, Book> removeBook =
new UndoablePropertyValue<BookCollection, Book>( myBooks, "Library", UndoableActions.Remove, ClockWorkOrange, null );
removeBook.Redo();
Assert.AreEqual( "A few of my books", myBooks.Name );
Assert.AreEqual( 2, myBooks.Library.Count );
Assert.IsTrue( myBooks.Library.Contains( DarwinsGod ) );
Assert.IsTrue( myBooks.Library.Contains( SoftwareEstimates ) );
Assert.AreEqual( MereChristianity, myBooks.FavoriteBook );
// Redo of an addition to a collection
UndoablePropertyValue<BookCollection, Book> addBook =
new UndoablePropertyValue<BookCollection, Book>( myBooks, "Library", UndoableActions.Add, null, MereChristianity );
addBook.Redo();
Assert.AreEqual( "A few of my books", myBooks.Name );
Assert.AreEqual( 3, myBooks.Library.Count );
Assert.IsTrue( myBooks.Library.Contains( SoftwareEstimates ) );
Assert.IsTrue( myBooks.Library.Contains( DarwinsGod ) );
Assert.IsTrue( myBooks.Library.Contains( MereChristianity ) );
Assert.AreEqual( MereChristianity, myBooks.FavoriteBook );
}
public void UndoablePropertyValueConstruct()
{
BookCollection myBooks = new BookCollection();
myBooks.Name = "A few of my books";
myBooks.Library.Add( DarwinsGod );
myBooks.Library.Add( SoftwareEstimates );
myBooks.FavoriteBook = ClockWorkOrange;
// Construct an object representing a change to a basic property
UndoablePropertyValue<BookCollection, String> nameChange =
new UndoablePropertyValue<BookCollection, String>( myBooks, "Name", UndoableActions.Modify, "A few of my books", "Some good books" );
// Construct an object representing an addition to a collection
UndoablePropertyValue<BookCollection, Book> addBook =
new UndoablePropertyValue<BookCollection, Book>( myBooks, "Library", UndoableActions.Add, null, MereChristianity );
// Construct an object representing a removal from a collection
UndoablePropertyValue<BookCollection, Book> removeBook =
new UndoablePropertyValue<BookCollection, Book>( myBooks, "Library", UndoableActions.Remove, MereChristianity, null );
}