public void Initialize()
{
_clock = MockSystemClock.Get();
StorageFolder cacheDir = ApplicationData.Current.LocalCacheFolder;
_directory = new DirectoryInfo(Path.Combine(cacheDir.Path, "sharded-disk-storage-test"));
Assert.IsTrue(_directory.CreateEmpty());
FileTree.DeleteContents(_directory);
_clock.SetDateTime(DateTime.Now);
}
/// <summary>
/// Clear all contents of the storage.
/// </summary>
public void ClearAll()
{
FileTree.DeleteContents(_rootDirectory);
}