File: nsICacheTesting.idl

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/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "nsISupports.idl"

interface nsIObserver;

/**
 * This is an internal interface used only for testing purposes.
 *
 * THIS IS NOT AN API TO BE USED BY EXTENSIONS! ONLY USED BY MOZILLA TESTS.
 */
[scriptable, builtinclass, uuid(4e8ba935-92e1-4a74-944b-b1a2f02a7480)]
interface nsICacheTesting : nsISupports
{
  void suspendCacheIOThread(in uint32_t aLevel);
  void resumeCacheIOThread();
  void flush(in nsIObserver aObserver);
  /**
   * Clear the in-memory DictionaryCache but keep disk data intact.
   * This forces dictionary entries to be reloaded from disk on next access.
   */
  void clearDictionaryCacheMemory();

  /**
   * Corrupt the hash of a stored dictionary for testing hash mismatch handling.
   * @param aURI The URI of the dictionary to corrupt
   */
  void corruptDictionaryHash(in ACString aURI);

  /**
   * Clear the loaded dictionary data for a specific entry while keeping the
   * entry metadata (including hash). This forces the data to be reloaded from
   * disk on next prefetch.
   * @param aURI The URI of the dictionary
   */
  void clearDictionaryDataForTesting(in ACString aURI);
};