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// Copyright (c) 2012 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 CHROME_BROWSER_VALUE_STORE_TESTING_VALUE_STORE_H_
#define CHROME_BROWSER_VALUE_STORE_TESTING_VALUE_STORE_H_
#include "base/compiler_specific.h"
#include "chrome/browser/value_store/value_store.h"
// ValueStore for testing, with an in-memory storage but the ability to
// optionally fail all operations.
class TestingValueStore : public ValueStore {
public:
TestingValueStore();
virtual ~TestingValueStore();
// Sets whether to fail all requests (default is false).
void SetFailAllRequests(bool fail_all_requests);
// Accessors for the number of reads/writes done by this value store. Each
// Get* operation (except for the BytesInUse ones) counts as one read, and
// each Set*/Remove/Clear operation counts as one write. This is useful in
// tests seeking to assert that some number of reads/writes to their
// underlying value store have (or have not) happened.
int read_count() { return read_count_; }
int write_count() { return write_count_; }
// ValueStore implementation.
virtual size_t GetBytesInUse(const std::string& key) OVERRIDE;
virtual size_t GetBytesInUse(const std::vector<std::string>& keys) OVERRIDE;
virtual size_t GetBytesInUse() OVERRIDE;
virtual ReadResult Get(const std::string& key) OVERRIDE;
virtual ReadResult Get(const std::vector<std::string>& keys) OVERRIDE;
virtual ReadResult Get() OVERRIDE;
virtual WriteResult Set(
WriteOptions options,
const std::string& key,
const Value& value) OVERRIDE;
virtual WriteResult Set(
WriteOptions options, const DictionaryValue& values) OVERRIDE;
virtual WriteResult Remove(const std::string& key) OVERRIDE;
virtual WriteResult Remove(const std::vector<std::string>& keys) OVERRIDE;
virtual WriteResult Clear() OVERRIDE;
private:
DictionaryValue storage_;
int read_count_;
int write_count_;
bool fail_all_requests_;
DISALLOW_COPY_AND_ASSIGN(TestingValueStore);
};
#endif // CHROME_BROWSER_VALUE_STORE_TESTING_VALUE_STORE_H_
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