UniversalImageCache implements ImageCache,
		MemoryCacheAware<String, Bitmap> { @Override public void clear() { this.delegate.clear(); } UniversalImageCache(MemoryCacheAware<String, Bitmap> delegate); @Override boolean put(String key, Bitmap value); @Override Bitmap get(String key); @Override void remove(String key); @Override Collection<String> keys(); @Override void clear(); @Override Bitmap getBitmap(String key); @Override void putBitmap(String key, Bitmap bitmap);  }
@Test public void clearShouldBeCalled() { imageCache.clear(); verify(delegate).clear(); }