public async Task TestClearFromStagingArea()
{
await _bufferedDiskCache.Put(_cacheKey, _encodedImage);
await _bufferedDiskCache.ClearAll();
Assert.IsTrue(0 != _stagingArea._clearAllCallsTestOnly);
}
/// <summary>
/// Clear disk caches.
/// </summary>
public async Task ClearDiskCachesAsync()
{
await _mainBufferedDiskCache.ClearAll().ConfigureAwait(false);
await _smallImageBufferedDiskCache.ClearAll().ConfigureAwait(false);
}