public void GetTile_WhenTilePresent_ShouldReturnTile()
{
// arrange
var tileCache = new FileCache(".", "png", new TimeSpan(long.MaxValue));
tileCache.Add(new TileIndex(4, 5, "8"), new byte[243]);
var fileTileProvider = new FileTileProvider(".", "png", new TimeSpan(long.MaxValue));
// act
var tile = fileTileProvider.GetTile(new TileInfo {
Index = new TileIndex(4, 5, "8")
});
// assert
Assert.AreEqual(tile.Length, 243);
}
public void FetchTile()
{
Exception error = null;
byte[] image = null;
try
{
image = tileProvider.GetTile(tileInfo);
}
catch (Exception ex) //This may seem a bit weird. We catch the exception to pass it as an argument. This is because we are on a worker thread here, we cannot just let it fall through.
{
error = ex;
}
this.fetchTileCompleted(this, new FetchTileCompletedEventArgs(error, false, tileInfo, image));
}