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James Robinson646469d2014-10-03 15:33:28 -07001// 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 BASE_PREFS_MOCK_PREF_CHANGE_CALLBACK_H_
6#define BASE_PREFS_MOCK_PREF_CHANGE_CALLBACK_H_
7
8#include <string>
9
10#include "base/prefs/pref_change_registrar.h"
11#include "base/prefs/pref_service.h"
12#include "testing/gmock/include/gmock/gmock.h"
13
14using testing::Pointee;
15using testing::Property;
16using testing::Truly;
17
18// Matcher that checks whether the current value of the preference named
19// |pref_name| in |prefs| matches |value|. If |value| is NULL, the matcher
20// checks that the value is not set.
21MATCHER_P3(PrefValueMatches, prefs, pref_name, value, "") {
James Robinson6a64b812014-12-03 13:38:42 -080022 const PrefService::Preference* pref = prefs->FindPreference(pref_name);
James Robinson646469d2014-10-03 15:33:28 -070023 if (!pref)
24 return false;
25
26 const base::Value* actual_value = pref->GetValue();
27 if (!actual_value)
28 return value == NULL;
29 if (!value)
30 return actual_value == NULL;
31 return value->Equals(actual_value);
32}
33
34// A mock for testing preference notifications and easy setup of expectations.
35class MockPrefChangeCallback {
36 public:
37 explicit MockPrefChangeCallback(PrefService* prefs);
38 virtual ~MockPrefChangeCallback();
39
40 PrefChangeRegistrar::NamedChangeCallback GetCallback();
41
42 MOCK_METHOD1(OnPreferenceChanged, void(const std::string&));
43
44 void Expect(const std::string& pref_name,
45 const base::Value* value);
46
47 private:
48 PrefService* prefs_;
49};
50
51#endif // BASE_PREFS_MOCK_PREF_CHANGE_CALLBACK_H_