private void Database_GamesCollectionChanged(object sender, GamesCollectionChangedEventArgs args)
{
foreach (var game in args.RemovedGames)
{
IncrementalUpdate(game, -1);
}
foreach (var game in args.AddedGames)
{
IncrementalUpdate(game, 1);
}
NotifiyAllChanged();
}
public void EventsArgsNonBufferedTest()
{
GamesCollectionChangedEventArgs gameColArgs = null;
GameUpdatedEventArgs gameUpdateArgs = null;
PlatformsCollectionChangedEventArgs platformColArgs = null;
PlatformUpdatedEventArgs platformUpdateArgs = null;
db.GamesCollectionChanged += (e, args) => { gameColArgs = args; };
db.GameUpdated += (e, args) => { gameUpdateArgs = args; };
db.PlatformsCollectionChanged += (e, args) => { platformColArgs = args; };
db.PlatformUpdated += (e, args) => { platformUpdateArgs = args; };
var game = new Game("test game");
db.AddGame(game);
Assert.AreEqual(1, gameColArgs.AddedGames.Count);
Assert.AreEqual(game, gameColArgs.AddedGames[0]);
Assert.AreEqual(0, gameColArgs.RemovedGames.Count);
db.UpdateGameInDatabase(game);
Assert.AreEqual(1, gameUpdateArgs.UpdatedGames.Count);
Assert.AreEqual(game, gameUpdateArgs.UpdatedGames[0].NewData);
Assert.AreNotEqual(game, gameUpdateArgs.UpdatedGames[0].OldData);
db.DeleteGame(game);
Assert.AreEqual(0, gameColArgs.AddedGames.Count);
Assert.AreEqual(1, gameColArgs.RemovedGames.Count);
Assert.AreEqual(game, gameColArgs.RemovedGames[0]);
var platform = new Platform("test platform");
db.AddPlatform(platform);
Assert.AreEqual(1, platformColArgs.AddedPlatforms.Count);
Assert.AreEqual(platform, platformColArgs.AddedPlatforms[0]);
var platform2 = new Platform("test platform2");
db.AddPlatform(new List <Platform> {
platform2
});
Assert.AreEqual(1, platformColArgs.AddedPlatforms.Count);
Assert.AreEqual(platform2, platformColArgs.AddedPlatforms[0]);
db.UpdatePlatform(platform);
Assert.AreEqual(1, platformUpdateArgs.UpdatedPlatforms.Count);
Assert.AreEqual(platform, platformUpdateArgs.UpdatedPlatforms[0].NewData);
Assert.AreNotEqual(platform, platformUpdateArgs.UpdatedPlatforms[0].OldData);
db.RemovePlatform(platform);
Assert.AreEqual(1, platformColArgs.RemovedPlatforms.Count);
Assert.AreEqual(platform, platformColArgs.RemovedPlatforms[0]);
}
public void EventsArgsBufferedTest()
{
GamesCollectionChangedEventArgs gameColArgs = null;
GameUpdatedEventArgs gameUpdateArgs = null;
PlatformsCollectionChangedEventArgs platformColArgs = null;
PlatformUpdatedEventArgs platformUpdateArgs = null;
db.GamesCollectionChanged += (e, args) => { gameColArgs = args; };
db.GameUpdated += (e, args) => { gameUpdateArgs = args; };
db.PlatformsCollectionChanged += (e, args) => { platformColArgs = args; };
db.PlatformUpdated += (e, args) => { platformUpdateArgs = args; };
using (db.BufferedUpdate())
{
var game = new Game("test game");
db.AddGame(game);
db.UpdateGameInDatabase(game);
db.UpdateGameInDatabase(game);
db.DeleteGame(game);
Assert.IsNull(gameColArgs);
Assert.IsNull(gameUpdateArgs);
var platform = new Platform("test platform");
var platform2 = new Platform("test platform2");
db.AddPlatform(platform);
db.AddPlatform(new List <Platform> {
platform2
});
db.UpdatePlatform(platform);
db.UpdatePlatform(platform2);
db.UpdatePlatform(platform2);
db.RemovePlatform(platform);
Assert.IsNull(platformColArgs);
Assert.IsNull(platformUpdateArgs);
}
Assert.AreEqual(1, gameColArgs.AddedGames.Count);
Assert.AreEqual(1, gameColArgs.RemovedGames.Count);
Assert.AreEqual(2, gameUpdateArgs.UpdatedGames.Count);
Assert.AreEqual(2, platformColArgs.AddedPlatforms.Count);
Assert.AreEqual(1, platformColArgs.RemovedPlatforms.Count);
Assert.AreEqual(3, platformUpdateArgs.UpdatedPlatforms.Count);
}