Interface for associating in-memory hint bytes with disk cache entries.

net/http/mock_http_cache.h

 // Copyright (c) 2011 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.
 
 // This is a mock of the http cache and related testing classes. To be fair, it
 // is not really a mock http cache given that it uses the real implementation of
 // the http cache, but it has fake implementations of all required components,
 // so it is useful for unit tests at the http layer.
 
 #ifndef NET_HTTP_MOCK_HTTP_CACHE_H_
@@ skipping 52 matching lines @@
                       int buf_len,
                       const CompletionCallback& callback) override;
   int GetAvailableRange(int64_t offset,
                         int len,
                         int64_t* start,
                         const CompletionCallback& callback) override;
   bool CouldBeSparse() const override;
   void CancelSparseIO() override;
   int ReadyForSparseIO(const CompletionCallback& completion_callback) override;
 
+  uint8_t in_memory_data() const { return in_memory_data_; }
+  void set_in_memory_data(uint8_t val) { in_memory_data_ = val; }
+
   // Fail most subsequent requests.
   void set_fail_requests() { fail_requests_ = true; }
 
   void set_fail_sparse_requests() { fail_sparse_requests_ = true; }
 
   // If |value| is true, don't deliver any completion callbacks until called
   // again with |value| set to false.  Caution: remember to enable callbacks
   // again or all subsequent tests will fail.
   static void IgnoreCallbacks(bool value);
 
@@ skipping 22 matching lines @@
   // delivers any callback previously stored.
   static void StoreAndDeliverCallbacks(bool store,
                                        MockDiskEntry* entry,
                                        const CompletionCallback& callback,
                                        int result);
 
   static const int kNumCacheEntryDataIndices = 3;
 
   std::string key_;
   std::vector<char> data_[kNumCacheEntryDataIndices];
+  uint8_t in_memory_data_;
   int test_mode_;
   bool doomed_;
   bool sparse_;
   bool fail_requests_;
   bool fail_sparse_requests_;
   bool busy_;
   bool delayed_;
   bool cancel_;
 
   // Used for pause and restart.
@@ skipping 25 matching lines @@
                          const CompletionCallback& callback) override;
   int DoomEntriesSince(base::Time initial_time,
                        const CompletionCallback& callback) override;
   int CalculateSizeOfAllEntries(const CompletionCallback& callback) override;
   std::unique_ptr<Iterator> CreateIterator() override;
   void GetStats(base::StringPairs* stats) override;
   void OnExternalCacheHit(const std::string& key) override;
   size_t DumpMemoryStats(
       base::trace_event::ProcessMemoryDump* pmd,
       const std::string& parent_absolute_name) const override;
+  uint8_t GetEntryInMemoryData(const std::string& key) override;
+  void SetEntryInMemoryData(const std::string& key, uint8_t data) override;
 
   // Returns number of times a cache entry was successfully opened.
   int open_count() const { return open_count_; }
 
   // Returns number of times a cache entry was successfully created.
   int create_count() const { return create_count_; }
 
   // Returns number of doomed entries.
   int doomed_count() const { return doomed_count_; }
 
   // Fail any subsequent CreateEntry and OpenEntry.
   void set_fail_requests() { fail_requests_ = true; }
 
   // Return entries that fail some of their requests.
   void set_soft_failures(bool value) { soft_failures_ = value; }
 
   // Makes sure that CreateEntry is not called twice for a given key.
   void set_double_create_check(bool value) { double_create_check_ = value; }
 
+  // Determines whether to provide the GetEntryInMemoryData/SetEntryInMemoryData
+  // interface.  Default is true.
+  void set_support_in_memory_entry_data(bool value) {
+    support_in_memory_entry_data_ = value;
+  }
+
   // Makes all requests for data ranges to fail as not implemented.
   void set_fail_sparse_requests() { fail_sparse_requests_ = true; }
 
   void ReleaseAll();
 
   // Returns true if a doomed entry exists with this key.
   bool IsDiskEntryDoomed(const std::string& key);
 
   // Defers invoking the callback for the given operation. Calling code should
   // invoke ResumeCacheOperation to resume.
@@ skipping 13 matching lines @@
   void CallbackLater(const CompletionCallback& callback, int result);
 
   EntryMap entries_;
   int open_count_;
   int create_count_;
   int doomed_count_;
   bool fail_requests_;
   bool soft_failures_;
   bool double_create_check_;
   bool fail_sparse_requests_;
+  bool support_in_memory_entry_data_;
 
   // Used for pause and restart.
   MockDiskEntry::DeferOp defer_op_;
   CompletionCallback resume_callback_;
   int resume_return_code_;
 };
 
 class MockBackendFactory : public HttpCache::BackendFactory {
  public:
   int CreateBackend(NetLog* net_log,
@@ skipping 107 matching lines @@
 
   std::unique_ptr<disk_cache::Backend>* backend_;
   CompletionCallback callback_;
   bool block_;
   bool fail_;
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_MOCK_HTTP_CACHE_H_