| // Copyright (c) 2011 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. |
| |
| #include "chrome/browser/prefs/pref_member.h" |
| |
| #include "base/message_loop.h" |
| #include "chrome/browser/prefs/pref_value_store.h" |
| #include "chrome/test/testing_pref_service.h" |
| #include "content/browser/browser_thread.h" |
| #include "content/common/notification_details.h" |
| #include "content/common/notification_source.h" |
| #include "content/common/notification_type.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace { |
| |
| const char kBoolPref[] = "bool"; |
| const char kIntPref[] = "int"; |
| const char kDoublePref[] = "double"; |
| const char kStringPref[] = "string"; |
| const char kListPref[] = "list"; |
| |
| void RegisterTestPrefs(PrefService* prefs) { |
| prefs->RegisterBooleanPref(kBoolPref, false); |
| prefs->RegisterIntegerPref(kIntPref, 0); |
| prefs->RegisterDoublePref(kDoublePref, 0.0); |
| prefs->RegisterStringPref(kStringPref, "default"); |
| prefs->RegisterListPref(kListPref); |
| } |
| |
| class GetPrefValueCallback |
| : public base::RefCountedThreadSafe<GetPrefValueCallback> { |
| public: |
| GetPrefValueCallback() : value_(false) {} |
| |
| void Init(const char* pref_name, PrefService* prefs) { |
| pref_.Init(pref_name, prefs, NULL); |
| pref_.MoveToThread(BrowserThread::IO); |
| } |
| |
| bool FetchValue() { |
| if (!BrowserThread::PostTask( |
| BrowserThread::IO, FROM_HERE, |
| NewRunnableMethod(this, |
| &GetPrefValueCallback::GetPrefValueOnIOThread))) { |
| return false; |
| } |
| MessageLoop::current()->Run(); |
| return true; |
| } |
| |
| bool value() { return value_; } |
| |
| private: |
| friend class base::RefCountedThreadSafe<GetPrefValueCallback>; |
| ~GetPrefValueCallback() {} |
| |
| void GetPrefValueOnIOThread() { |
| value_ = pref_.GetValue(); |
| BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, |
| new MessageLoop::QuitTask()); |
| } |
| |
| BooleanPrefMember pref_; |
| bool value_; |
| }; |
| |
| class PrefMemberTestClass : public NotificationObserver { |
| public: |
| explicit PrefMemberTestClass(PrefService* prefs) |
| : observe_cnt_(0), prefs_(prefs) { |
| str_.Init(kStringPref, prefs, this); |
| } |
| |
| virtual void Observe(NotificationType type, |
| const NotificationSource& source, |
| const NotificationDetails& details) { |
| DCHECK(NotificationType::PREF_CHANGED == type); |
| PrefService* prefs_in = Source<PrefService>(source).ptr(); |
| EXPECT_EQ(prefs_in, prefs_); |
| std::string* pref_name_in = Details<std::string>(details).ptr(); |
| EXPECT_EQ(*pref_name_in, kStringPref); |
| EXPECT_EQ(str_.GetValue(), prefs_->GetString(kStringPref)); |
| ++observe_cnt_; |
| } |
| |
| StringPrefMember str_; |
| int observe_cnt_; |
| |
| private: |
| PrefService* prefs_; |
| }; |
| |
| } // anonymous namespace |
| |
| TEST(PrefMemberTest, BasicGetAndSet) { |
| TestingPrefService prefs; |
| RegisterTestPrefs(&prefs); |
| |
| // Test bool |
| BooleanPrefMember boolean; |
| boolean.Init(kBoolPref, &prefs, NULL); |
| |
| // Check the defaults |
| EXPECT_FALSE(prefs.GetBoolean(kBoolPref)); |
| EXPECT_FALSE(boolean.GetValue()); |
| EXPECT_FALSE(*boolean); |
| |
| // Try changing through the member variable. |
| boolean.SetValue(true); |
| EXPECT_TRUE(boolean.GetValue()); |
| EXPECT_TRUE(prefs.GetBoolean(kBoolPref)); |
| EXPECT_TRUE(*boolean); |
| |
| // Try changing back through the pref. |
| prefs.SetBoolean(kBoolPref, false); |
| EXPECT_FALSE(prefs.GetBoolean(kBoolPref)); |
| EXPECT_FALSE(boolean.GetValue()); |
| EXPECT_FALSE(*boolean); |
| |
| // Test int |
| IntegerPrefMember integer; |
| integer.Init(kIntPref, &prefs, NULL); |
| |
| // Check the defaults |
| EXPECT_EQ(0, prefs.GetInteger(kIntPref)); |
| EXPECT_EQ(0, integer.GetValue()); |
| EXPECT_EQ(0, *integer); |
| |
| // Try changing through the member variable. |
| integer.SetValue(5); |
| EXPECT_EQ(5, integer.GetValue()); |
| EXPECT_EQ(5, prefs.GetInteger(kIntPref)); |
| EXPECT_EQ(5, *integer); |
| |
| // Try changing back through the pref. |
| prefs.SetInteger(kIntPref, 2); |
| EXPECT_EQ(2, prefs.GetInteger(kIntPref)); |
| EXPECT_EQ(2, integer.GetValue()); |
| EXPECT_EQ(2, *integer); |
| |
| // Test double |
| DoublePrefMember double_member; |
| double_member.Init(kDoublePref, &prefs, NULL); |
| |
| // Check the defaults |
| EXPECT_EQ(0.0, prefs.GetDouble(kDoublePref)); |
| EXPECT_EQ(0.0, double_member.GetValue()); |
| EXPECT_EQ(0.0, *double_member); |
| |
| // Try changing through the member variable. |
| double_member.SetValue(1.0); |
| EXPECT_EQ(1.0, double_member.GetValue()); |
| EXPECT_EQ(1.0, prefs.GetDouble(kDoublePref)); |
| EXPECT_EQ(1.0, *double_member); |
| |
| // Try changing back through the pref. |
| prefs.SetDouble(kDoublePref, 3.0); |
| EXPECT_EQ(3.0, prefs.GetDouble(kDoublePref)); |
| EXPECT_EQ(3.0, double_member.GetValue()); |
| EXPECT_EQ(3.0, *double_member); |
| |
| // Test string |
| StringPrefMember string; |
| string.Init(kStringPref, &prefs, NULL); |
| |
| // Check the defaults |
| EXPECT_EQ("default", prefs.GetString(kStringPref)); |
| EXPECT_EQ("default", string.GetValue()); |
| EXPECT_EQ("default", *string); |
| |
| // Try changing through the member variable. |
| string.SetValue("foo"); |
| EXPECT_EQ("foo", string.GetValue()); |
| EXPECT_EQ("foo", prefs.GetString(kStringPref)); |
| EXPECT_EQ("foo", *string); |
| |
| // Try changing back through the pref. |
| prefs.SetString(kStringPref, "bar"); |
| EXPECT_EQ("bar", prefs.GetString(kStringPref)); |
| EXPECT_EQ("bar", string.GetValue()); |
| EXPECT_EQ("bar", *string); |
| |
| // Test list |
| ListPrefMember list; |
| list.Init(kListPref, &prefs, NULL); |
| |
| // Check the defaults |
| const ListValue* list_value = prefs.GetList(kListPref); |
| ASSERT_TRUE(list_value != NULL); |
| EXPECT_EQ(0u, list_value->GetSize()); |
| EXPECT_TRUE(list_value->empty()); |
| ASSERT_TRUE(list.GetValue() != NULL); |
| EXPECT_EQ(0u, list.GetValue()->GetSize()); |
| EXPECT_TRUE(list.GetValue()->empty()); |
| ASSERT_TRUE(*list != NULL); |
| EXPECT_EQ(0u, (*list)->GetSize()); |
| EXPECT_TRUE((*list)->empty()); |
| |
| // Try changing through the member variable. |
| scoped_ptr<ListValue> list_value_numbers(new ListValue()); |
| list_value_numbers->Append(new StringValue("one")); |
| list_value_numbers->Append(new StringValue("two")); |
| list_value_numbers->Append(new StringValue("three")); |
| list.SetValue(list_value_numbers.get()); |
| EXPECT_TRUE(list_value_numbers->Equals(list.GetValue())); |
| EXPECT_TRUE(list_value_numbers->Equals(prefs.GetList(kListPref))); |
| EXPECT_TRUE(list_value_numbers->Equals(*list)); |
| |
| // Try changing back through the pref. |
| ListValue* list_value_ints = new ListValue(); |
| list_value_ints->Append(new FundamentalValue(1)); |
| list_value_ints->Append(new FundamentalValue(2)); |
| list_value_ints->Append(new FundamentalValue(3)); |
| prefs.SetList(kListPref, list_value_ints); // takes ownership |
| EXPECT_TRUE(list_value_ints->Equals(list.GetValue())); |
| EXPECT_TRUE(list_value_ints->Equals(prefs.GetList(kListPref))); |
| EXPECT_TRUE(list_value_ints->Equals(*list)); |
| } |
| |
| TEST(PrefMemberTest, TwoPrefs) { |
| // Make sure two DoublePrefMembers stay in sync. |
| TestingPrefService prefs; |
| RegisterTestPrefs(&prefs); |
| |
| DoublePrefMember pref1; |
| pref1.Init(kDoublePref, &prefs, NULL); |
| DoublePrefMember pref2; |
| pref2.Init(kDoublePref, &prefs, NULL); |
| |
| pref1.SetValue(2.3); |
| EXPECT_EQ(2.3, *pref2); |
| |
| pref2.SetValue(3.5); |
| EXPECT_EQ(3.5, *pref1); |
| |
| prefs.SetDouble(kDoublePref, 4.2); |
| EXPECT_EQ(4.2, *pref1); |
| EXPECT_EQ(4.2, *pref2); |
| } |
| |
| TEST(PrefMemberTest, Observer) { |
| TestingPrefService prefs; |
| RegisterTestPrefs(&prefs); |
| |
| PrefMemberTestClass test_obj(&prefs); |
| EXPECT_EQ("default", *test_obj.str_); |
| |
| // Calling SetValue should not fire the observer. |
| test_obj.str_.SetValue("hello"); |
| EXPECT_EQ(0, test_obj.observe_cnt_); |
| EXPECT_EQ("hello", prefs.GetString(kStringPref)); |
| |
| // Changing the pref does fire the observer. |
| prefs.SetString(kStringPref, "world"); |
| EXPECT_EQ(1, test_obj.observe_cnt_); |
| EXPECT_EQ("world", *(test_obj.str_)); |
| |
| // Not changing the value should not fire the observer. |
| prefs.SetString(kStringPref, "world"); |
| EXPECT_EQ(1, test_obj.observe_cnt_); |
| EXPECT_EQ("world", *(test_obj.str_)); |
| |
| prefs.SetString(kStringPref, "hello"); |
| EXPECT_EQ(2, test_obj.observe_cnt_); |
| EXPECT_EQ("hello", prefs.GetString(kStringPref)); |
| } |
| |
| TEST(PrefMemberTest, NoInit) { |
| // Make sure not calling Init on a PrefMember doesn't cause problems. |
| IntegerPrefMember pref; |
| } |
| |
| TEST(PrefMemberTest, MoveToThread) { |
| TestingPrefService prefs; |
| scoped_refptr<GetPrefValueCallback> callback = |
| make_scoped_refptr(new GetPrefValueCallback()); |
| MessageLoop message_loop; |
| BrowserThread ui_thread(BrowserThread::UI, &message_loop); |
| BrowserThread io_thread(BrowserThread::IO); |
| ASSERT_TRUE(io_thread.Start()); |
| RegisterTestPrefs(&prefs); |
| callback->Init(kBoolPref, &prefs); |
| |
| ASSERT_TRUE(callback->FetchValue()); |
| EXPECT_FALSE(callback->value()); |
| |
| prefs.SetBoolean(kBoolPref, true); |
| |
| ASSERT_TRUE(callback->FetchValue()); |
| EXPECT_TRUE(callback->value()); |
| } |