pref_observer_mock.h revision 3f50c38dc070f4bb515c1b64450dae14f316474e 
1// Copyright (c) 2011 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef CHROME_BROWSER_PREFS_PREF_OBSERVER_MOCK_H_
6#define CHROME_BROWSER_PREFS_PREF_OBSERVER_MOCK_H_
7#pragma once
8
9#include <string>
10
11#include "chrome/browser/prefs/pref_service.h"
12#include "chrome/common/notification_details.h"
13#include "chrome/common/notification_observer.h"
14#include "chrome/common/notification_source.h"
15#include "chrome/common/notification_type.h"
16#include "testing/gmock/include/gmock/gmock.h"
17
18using testing::Pointee;
19using testing::Property;
20using testing::Truly;
21
22// Matcher that checks whether the current value of the preference named
23// |pref_name| in |prefs| matches |value|. If |value| is NULL, the matcher
24// checks that the value is not set.
25MATCHER_P3(PrefValueMatches, prefs, pref_name, value, "") {
26  const PrefService::Preference* pref =
27      prefs->FindPreference(pref_name.c_str());
28  if (!pref)
29    return false;
30
31  const Value* actual_value = pref->GetValue();
32  if (!actual_value)
33    return value == NULL;
34  if (!value)
35    return actual_value == NULL;
36  return value->Equals(actual_value);
37}
38
39// A mock for testing preference notifications and easy setup of expectations.
40class PrefObserverMock : public NotificationObserver {
41 public:
42  PrefObserverMock();
43  virtual ~PrefObserverMock();
44
45  MOCK_METHOD3(Observe, void(NotificationType type,
46                             const NotificationSource& source,
47                             const NotificationDetails& details));
48
49  void Expect(const PrefService* prefs,
50              const std::string& pref_name,
51              const Value* value);
52};
53
54#endif  // CHROME_BROWSER_PREFS_PREF_OBSERVER_MOCK_H_
55