1 // Copyright 2011 The Chromium Authors 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 COMPONENTS_PREFS_MOCK_PREF_CHANGE_CALLBACK_H_ 6 #define COMPONENTS_PREFS_MOCK_PREF_CHANGE_CALLBACK_H_ 7 8 #include <string> 9 10 #include "base/memory/raw_ptr.h" 11 #include "base/memory/values_equivalent.h" 12 #include "components/prefs/pref_change_registrar.h" 13 #include "components/prefs/pref_service.h" 14 #include "testing/gmock/include/gmock/gmock.h" 15 16 using testing::Pointee; 17 using testing::Property; 18 using testing::Truly; 19 20 // Matcher that checks whether the current value of the preference named 21 // |pref_name| in |prefs| matches |value|. If |value| is NULL, the matcher 22 // checks that the value is not set. 23 MATCHER_P3(PrefValueMatches, prefs, pref_name, value, "") { 24 const PrefService::Preference* pref = prefs->FindPreference(pref_name); 25 if (!pref) 26 return false; 27 28 return base::ValuesEquivalent(value, pref->GetValue()); 29 } 30 31 // A mock for testing preference notifications and easy setup of expectations. 32 class MockPrefChangeCallback { 33 public: 34 explicit MockPrefChangeCallback(PrefService* prefs); 35 virtual ~MockPrefChangeCallback(); 36 37 PrefChangeRegistrar::NamedChangeCallback GetCallback(); 38 39 MOCK_METHOD1(OnPreferenceChanged, void(const std::string&)); 40 41 void Expect(const std::string& pref_name, 42 const base::Value* value); 43 44 private: 45 raw_ptr<PrefService> prefs_; 46 }; 47 48 #endif // COMPONENTS_PREFS_MOCK_PREF_CHANGE_CALLBACK_H_ 49