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// Copyright 2015 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 BASE_TEST_METRICS_USER_ACTION_TESTER_H_
#define BASE_TEST_METRICS_USER_ACTION_TESTER_H_
#include <map>
#include <string>
#include "base/macros.h"
#include "base/metrics/user_metrics.h"
namespace base {
// This class observes and collects user action notifications that are sent
// by the tests, so that they can be examined afterwards for correctness.
// Note: This class is NOT thread-safe.
class UserActionTester {
public:
UserActionTester();
~UserActionTester();
// Returns the number of times the given |user_action| occurred.
int GetActionCount(const std::string& user_action) const;
// Resets all user action counts to 0.
void ResetCounts();
private:
typedef std::map<std::string, int> UserActionCountMap;
// The callback that is notified when a user actions occurs.
void OnUserAction(const std::string& user_action);
// A map that tracks the number of times a user action has occurred.
UserActionCountMap count_map_;
// A test task runner used by user metrics.
scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
// The callback that is added to the global action callback list.
base::ActionCallback action_callback_;
DISALLOW_COPY_AND_ASSIGN(UserActionTester);
};
} // namespace base
#endif // BASE_TEST_METRICS_USER_ACTION_TESTER_H_
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