Disk cache: Extend the internal buffering performed by each entry...

net/disk_cache/disk_cache_test_base.h

 // Copyright (c) 2006-2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef NET_DISK_CACHE_DISK_CACHE_TEST_BASE_H_
 #define NET_DISK_CACHE_DISK_CACHE_TEST_BASE_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/thread.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/platform_test.h"
 
 class FilePath;
 
+namespace net {
+
+class IOBuffer;
+
+}  // namespace net
+
 namespace disk_cache {
 
 class Backend;
 class BackendImpl;
 class Entry;
 class MemBackendImpl;
 
 }  // namespace disk_cache
 
 // These tests can use the path service, which uses autoreleased objects on the
@@ skipping 57 matching lines @@
   // Utility methods to access the cache and wait for each operation to finish.
   int OpenEntry(const std::string& key, disk_cache::Entry** entry);
   int CreateEntry(const std::string& key, disk_cache::Entry** entry);
   int DoomEntry(const std::string& key);
   int DoomAllEntries();
   int DoomEntriesBetween(const base::Time initial_time,
                          const base::Time end_time);
   int DoomEntriesSince(const base::Time initial_time);
   int OpenNextEntry(void** iter, disk_cache::Entry** next_entry);
   void FlushQueueForTest();
+  int ReadData(disk_cache::Entry* entry, int index, int offset,
+                net::IOBuffer* buf, int len);
+  int WriteData(disk_cache::Entry* entry, int index, int offset,
+                net::IOBuffer* buf, int len, bool truncate);
+  int ReadSparseData(disk_cache::Entry* entry, int64 offset, net::IOBuffer* buf,
+                     int len);
+  int WriteSparseData(disk_cache::Entry* entry, int64 offset,
+                      net::IOBuffer* buf, int len);
 
   // cache_ will always have a valid object, regardless of how the cache was
   // initialized. The implementation pointers can be NULL.
   disk_cache::Backend* cache_;
   disk_cache::BackendImpl* cache_impl_;
   disk_cache::MemBackendImpl* mem_cache_;
 
   uint32 mask_;
   int size_;
   bool memory_only_;
   bool implementation_;
   bool force_creation_;
   bool new_eviction_;
   bool first_cleanup_;
   bool integrity_;
   bool use_current_thread_;
   // This is intentionally left uninitialized, to be used by any test.
   bool success_;
 
  private:
   void InitMemoryCache();
   void InitDiskCache();
   void InitDiskCacheImpl(const FilePath& path);
 
   base::Thread cache_thread_;
   DISALLOW_COPY_AND_ASSIGN(DiskCacheTestWithCache);
 };
 
 #endif  // NET_DISK_CACHE_DISK_CACHE_TEST_BASE_H_