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 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 14 using testing::Pointee; 15 using testing::Property; 16 using 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. 21 MATCHER_P3(PrefValueMatches, prefs, pref_name, value, "") { 22 const PrefService::Preference* pref = 23 prefs->FindPreference(pref_name.c_str()); 24 if (!pref) 25 return false; 26 27 const base::Value* actual_value = pref->GetValue(); 28 if (!actual_value) 29 return value == NULL; 30 if (!value) 31 return actual_value == NULL; 32 return value->Equals(actual_value); 33 } 34 35 // A mock for testing preference notifications and easy setup of expectations. 36 class MockPrefChangeCallback { 37 public: 38 explicit MockPrefChangeCallback(PrefService* prefs); 39 virtual ~MockPrefChangeCallback(); 40 41 PrefChangeRegistrar::NamedChangeCallback GetCallback(); 42 43 MOCK_METHOD1(OnPreferenceChanged, void(const std::string&)); 44 45 void Expect(const std::string& pref_name, 46 const base::Value* value); 47 48 private: 49 PrefService* prefs_; 50 }; 51 52 #endif // BASE_PREFS_MOCK_PREF_CHANGE_CALLBACK_H_ 53