src/base/prefs/pref_value_store_unittest.cc

   1 // Copyright (c) 2012 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 #include <string>
   6
   7 #include "base/bind.h"
   8 #include "base/memory/ref_counted.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "base/prefs/pref_notifier.h"
  11 #include "base/prefs/pref_value_store.h"
  12 #include "base/prefs/testing_pref_store.h"
  13 #include "base/values.h"
  14 #include "testing/gmock/include/gmock/gmock.h"
  15 #include "testing/gtest/include/gtest/gtest.h"
  16
  17 using testing::Mock;
  18 using testing::_;
  19
  20 namespace {
  21
  22 // Allows to capture pref notifications through gmock.
  23 class MockPrefNotifier : public PrefNotifier {
  24  public:
  25   MOCK_METHOD1(OnPreferenceChanged, void(const std::string&));
  26   MOCK_METHOD1(OnInitializationCompleted, void(bool));
  27 };
  28
  29 // Allows to capture sync model associator interaction.
  30 class MockPrefModelAssociator {
  31  public:
  32   MOCK_METHOD1(ProcessPrefChange, void(const std::string&));
  33 };
  34
  35 }  // namespace
  36
  37 // Names of the preferences used in this test.
  38 namespace prefs {
  39 const char kManagedPref[] = "this.pref.managed";
  40 const char kSupervisedUserPref[] = "this.pref.supervised_user";
  41 const char kCommandLinePref[] = "this.pref.command_line";
  42 const char kExtensionPref[] = "this.pref.extension";
  43 const char kUserPref[] = "this.pref.user";
  44 const char kRecommendedPref[] = "this.pref.recommended";
  45 const char kDefaultPref[] = "this.pref.default";
  46 const char kMissingPref[] = "this.pref.does_not_exist";
  47 }
  48
  49 // Potentially expected values of all preferences used in this test program.
  50 namespace managed_pref {
  51 const char kManagedValue[] = "managed:managed";
  52 }
  53
  54 namespace supervised_user_pref {
  55 const char kManagedValue[] = "supervised_user:managed";
  56 const char kSupervisedUserValue[] = "supervised_user:supervised_user";
  57 }
  58
  59 namespace extension_pref {
  60 const char kManagedValue[] = "extension:managed";
  61 const char kSupervisedUserValue[] = "extension:supervised_user";
  62 const char kExtensionValue[] = "extension:extension";
  63 }
  64
  65 namespace command_line_pref {
  66 const char kManagedValue[] = "command_line:managed";
  67 const char kSupervisedUserValue[] = "command_line:supervised_user";
  68 const char kExtensionValue[] = "command_line:extension";
  69 const char kCommandLineValue[] = "command_line:command_line";
  70 }
  71
  72 namespace user_pref {
  73 const char kManagedValue[] = "user:managed";
  74 const char kSupervisedUserValue[] = "supervised_user:supervised_user";
  75 const char kExtensionValue[] = "user:extension";
  76 const char kCommandLineValue[] = "user:command_line";
  77 const char kUserValue[] = "user:user";
  78 }
  79
  80 namespace recommended_pref {
  81 const char kManagedValue[] = "recommended:managed";
  82 const char kSupervisedUserValue[] = "recommended:supervised_user";
  83 const char kExtensionValue[] = "recommended:extension";
  84 const char kCommandLineValue[] = "recommended:command_line";
  85 const char kUserValue[] = "recommended:user";
  86 const char kRecommendedValue[] = "recommended:recommended";
  87 }
  88
  89 namespace default_pref {
  90 const char kManagedValue[] = "default:managed";
  91 const char kSupervisedUserValue[] = "default:supervised_user";
  92 const char kExtensionValue[] = "default:extension";
  93 const char kCommandLineValue[] = "default:command_line";
  94 const char kUserValue[] = "default:user";
  95 const char kRecommendedValue[] = "default:recommended";
  96 const char kDefaultValue[] = "default:default";
  97 }
  98
  99 class PrefValueStoreTest : public testing::Test {
 100  protected:
 101   virtual void SetUp() {
 102     // Create TestingPrefStores.
 103     CreateManagedPrefs();
 104     CreateSupervisedUserPrefs();
 105     CreateExtensionPrefs();
 106     CreateCommandLinePrefs();
 107     CreateUserPrefs();
 108     CreateRecommendedPrefs();
 109     CreateDefaultPrefs();
 110     sync_associator_.reset(new MockPrefModelAssociator());
 111
 112     // Create a fresh PrefValueStore.
 113     pref_value_store_.reset(
 114         new PrefValueStore(managed_pref_store_.get(),
 115                            supervised_user_pref_store_.get(),
 116                            extension_pref_store_.get(),
 117                            command_line_pref_store_.get(),
 118                            user_pref_store_.get(),
 119                            recommended_pref_store_.get(),
 120                            default_pref_store_.get(),
 121                            &pref_notifier_));
 122
 123     pref_value_store_->set_callback(
 124         base::Bind(&MockPrefModelAssociator::ProcessPrefChange,
 125                    base::Unretained(sync_associator_.get())));
 126   }
 127
 128   void CreateManagedPrefs() {
 129     managed_pref_store_ = new TestingPrefStore;
 130     managed_pref_store_->SetString(
 131         prefs::kManagedPref,
 132         managed_pref::kManagedValue);
 133   }
 134
 135   void CreateSupervisedUserPrefs() {
 136     supervised_user_pref_store_ = new TestingPrefStore;
 137     supervised_user_pref_store_->SetString(
 138         prefs::kManagedPref,
 139         supervised_user_pref::kManagedValue);
 140     supervised_user_pref_store_->SetString(
 141         prefs::kSupervisedUserPref,
 142         supervised_user_pref::kSupervisedUserValue);
 143   }
 144
 145   void CreateExtensionPrefs() {
 146     extension_pref_store_ = new TestingPrefStore;
 147     extension_pref_store_->SetString(
 148         prefs::kManagedPref,
 149         extension_pref::kManagedValue);
 150     extension_pref_store_->SetString(
 151         prefs::kSupervisedUserPref,
 152         extension_pref::kSupervisedUserValue);
 153     extension_pref_store_->SetString(
 154         prefs::kExtensionPref,
 155         extension_pref::kExtensionValue);
 156   }
 157
 158   void CreateCommandLinePrefs() {
 159     command_line_pref_store_ = new TestingPrefStore;
 160     command_line_pref_store_->SetString(
 161         prefs::kManagedPref,
 162         command_line_pref::kManagedValue);
 163     command_line_pref_store_->SetString(
 164         prefs::kSupervisedUserPref,
 165         command_line_pref::kSupervisedUserValue);
 166     command_line_pref_store_->SetString(
 167         prefs::kExtensionPref,
 168         command_line_pref::kExtensionValue);
 169     command_line_pref_store_->SetString(
 170         prefs::kCommandLinePref,
 171         command_line_pref::kCommandLineValue);
 172   }
 173
 174   void CreateUserPrefs() {
 175     user_pref_store_ = new TestingPrefStore;
 176     user_pref_store_->SetString(
 177         prefs::kManagedPref,
 178         user_pref::kManagedValue);
 179     user_pref_store_->SetString(
 180         prefs::kSupervisedUserPref,
 181         user_pref::kSupervisedUserValue);
 182     user_pref_store_->SetString(
 183         prefs::kCommandLinePref,
 184         user_pref::kCommandLineValue);
 185     user_pref_store_->SetString(
 186         prefs::kExtensionPref,
 187         user_pref::kExtensionValue);
 188     user_pref_store_->SetString(
 189         prefs::kUserPref,
 190         user_pref::kUserValue);
 191   }
 192
 193   void CreateRecommendedPrefs() {
 194     recommended_pref_store_ = new TestingPrefStore;
 195     recommended_pref_store_->SetString(
 196         prefs::kManagedPref,
 197         recommended_pref::kManagedValue);
 198     recommended_pref_store_->SetString(
 199         prefs::kSupervisedUserPref,
 200         recommended_pref::kSupervisedUserValue);
 201     recommended_pref_store_->SetString(
 202         prefs::kCommandLinePref,
 203         recommended_pref::kCommandLineValue);
 204     recommended_pref_store_->SetString(
 205         prefs::kExtensionPref,
 206         recommended_pref::kExtensionValue);
 207     recommended_pref_store_->SetString(
 208         prefs::kUserPref,
 209         recommended_pref::kUserValue);
 210     recommended_pref_store_->SetString(
 211         prefs::kRecommendedPref,
 212         recommended_pref::kRecommendedValue);
 213   }
 214
 215   void CreateDefaultPrefs() {
 216     default_pref_store_ = new TestingPrefStore;
 217     default_pref_store_->SetString(
 218         prefs::kSupervisedUserPref,
 219         default_pref::kSupervisedUserValue);
 220     default_pref_store_->SetString(
 221         prefs::kManagedPref,
 222         default_pref::kManagedValue);
 223     default_pref_store_->SetString(
 224         prefs::kCommandLinePref,
 225         default_pref::kCommandLineValue);
 226     default_pref_store_->SetString(
 227         prefs::kExtensionPref,
 228         default_pref::kExtensionValue);
 229     default_pref_store_->SetString(
 230         prefs::kUserPref,
 231         default_pref::kUserValue);
 232     default_pref_store_->SetString(
 233         prefs::kRecommendedPref,
 234         default_pref::kRecommendedValue);
 235     default_pref_store_->SetString(
 236         prefs::kDefaultPref,
 237         default_pref::kDefaultValue);
 238   }
 239
 240   void ExpectValueChangeNotifications(const char* name) {
 241     EXPECT_CALL(pref_notifier_, OnPreferenceChanged(name));
 242     EXPECT_CALL(*sync_associator_, ProcessPrefChange(name));
 243   }
 244
 245   void CheckAndClearValueChangeNotifications() {
 246     Mock::VerifyAndClearExpectations(&pref_notifier_);
 247     Mock::VerifyAndClearExpectations(sync_associator_.get());
 248   }
 249
 250   MockPrefNotifier pref_notifier_;
 251   scoped_ptr<MockPrefModelAssociator> sync_associator_;
 252   scoped_ptr<PrefValueStore> pref_value_store_;
 253
 254   scoped_refptr<TestingPrefStore> managed_pref_store_;
 255   scoped_refptr<TestingPrefStore> supervised_user_pref_store_;
 256   scoped_refptr<TestingPrefStore> extension_pref_store_;
 257   scoped_refptr<TestingPrefStore> command_line_pref_store_;
 258   scoped_refptr<TestingPrefStore> user_pref_store_;
 259   scoped_refptr<TestingPrefStore> recommended_pref_store_;
 260   scoped_refptr<TestingPrefStore> default_pref_store_;
 261 };
 262
 263 TEST_F(PrefValueStoreTest, GetValue) {
 264   const base::Value* value;
 265
 266   // The following tests read a value from the PrefService. The preferences are
 267   // set in a way such that all lower-priority stores have a value and we can
 268   // test whether overrides work correctly.
 269
 270   // Test getting a managed value.
 271   value = NULL;
 272   ASSERT_TRUE(pref_value_store_->GetValue(prefs::kManagedPref,
 273                                           base::Value::TYPE_STRING, &value));
 274   std::string actual_str_value;
 275   EXPECT_TRUE(value->GetAsString(&actual_str_value));
 276   EXPECT_EQ(managed_pref::kManagedValue, actual_str_value);
 277
 278   // Test getting a supervised user value.
 279   value = NULL;
 280   ASSERT_TRUE(pref_value_store_->GetValue(prefs::kSupervisedUserPref,
 281                                           base::Value::TYPE_STRING, &value));
 282   EXPECT_TRUE(value->GetAsString(&actual_str_value));
 283   EXPECT_EQ(supervised_user_pref::kSupervisedUserValue, actual_str_value);
 284
 285   // Test getting an extension value.
 286   value = NULL;
 287   ASSERT_TRUE(pref_value_store_->GetValue(prefs::kExtensionPref,
 288                                           base::Value::TYPE_STRING, &value));
 289   EXPECT_TRUE(value->GetAsString(&actual_str_value));
 290   EXPECT_EQ(extension_pref::kExtensionValue, actual_str_value);
 291
 292   // Test getting a command-line value.
 293   value = NULL;
 294   ASSERT_TRUE(pref_value_store_->GetValue(prefs::kCommandLinePref,
 295                                           base::Value::TYPE_STRING, &value));
 296   EXPECT_TRUE(value->GetAsString(&actual_str_value));
 297   EXPECT_EQ(command_line_pref::kCommandLineValue, actual_str_value);
 298
 299   // Test getting a user-set value.
 300   value = NULL;
 301   ASSERT_TRUE(pref_value_store_->GetValue(prefs::kUserPref,
 302                                           base::Value::TYPE_STRING, &value));
 303   EXPECT_TRUE(value->GetAsString(&actual_str_value));
 304   EXPECT_EQ(user_pref::kUserValue, actual_str_value);
 305
 306   // Test getting a user set value overwriting a recommended value.
 307   value = NULL;
 308   ASSERT_TRUE(pref_value_store_->GetValue(prefs::kRecommendedPref,
 309                                           base::Value::TYPE_STRING, &value));
 310   EXPECT_TRUE(value->GetAsString(&actual_str_value));
 311   EXPECT_EQ(recommended_pref::kRecommendedValue,
 312             actual_str_value);
 313
 314   // Test getting a default value.
 315   value = NULL;
 316   ASSERT_TRUE(pref_value_store_->GetValue(prefs::kDefaultPref,
 317                                           base::Value::TYPE_STRING, &value));
 318   EXPECT_TRUE(value->GetAsString(&actual_str_value));
 319   EXPECT_EQ(default_pref::kDefaultValue, actual_str_value);
 320
 321   // Test getting a preference value that the |PrefValueStore|
 322   // does not contain.
 323   base::FundamentalValue tmp_dummy_value(true);
 324   value = &tmp_dummy_value;
 325   ASSERT_FALSE(pref_value_store_->GetValue(prefs::kMissingPref,
 326                                            base::Value::TYPE_STRING, &value));
 327   ASSERT_FALSE(value);
 328 }
 329
 330 TEST_F(PrefValueStoreTest, GetRecommendedValue) {
 331   const base::Value* value;
 332
 333   // The following tests read a value from the PrefService. The preferences are
 334   // set in a way such that all lower-priority stores have a value and we can
 335   // test whether overrides do not clutter the recommended value.
 336
 337   // Test getting recommended value when a managed value is present.
 338   value = NULL;
 339   ASSERT_TRUE(pref_value_store_->GetRecommendedValue(
 340       prefs::kManagedPref,
 341       base::Value::TYPE_STRING, &value));
 342   std::string actual_str_value;
 343   EXPECT_TRUE(value->GetAsString(&actual_str_value));
 344   EXPECT_EQ(recommended_pref::kManagedValue, actual_str_value);
 345
 346   // Test getting recommended value when a supervised user value is present.
 347   value = NULL;
 348   ASSERT_TRUE(pref_value_store_->GetRecommendedValue(
 349       prefs::kSupervisedUserPref,
 350       base::Value::TYPE_STRING, &value));
 351   EXPECT_TRUE(value->GetAsString(&actual_str_value));
 352   EXPECT_EQ(recommended_pref::kSupervisedUserValue, actual_str_value);
 353
 354   // Test getting recommended value when an extension value is present.
 355   value = NULL;
 356   ASSERT_TRUE(pref_value_store_->GetRecommendedValue(
 357       prefs::kExtensionPref,
 358       base::Value::TYPE_STRING, &value));
 359   EXPECT_TRUE(value->GetAsString(&actual_str_value));
 360   EXPECT_EQ(recommended_pref::kExtensionValue, actual_str_value);
 361
 362   // Test getting recommended value when a command-line value is present.
 363   value = NULL;
 364   ASSERT_TRUE(pref_value_store_->GetRecommendedValue(
 365       prefs::kCommandLinePref,
 366       base::Value::TYPE_STRING, &value));
 367   EXPECT_TRUE(value->GetAsString(&actual_str_value));
 368   EXPECT_EQ(recommended_pref::kCommandLineValue, actual_str_value);
 369
 370   // Test getting recommended value when a user-set value is present.
 371   value = NULL;
 372   ASSERT_TRUE(pref_value_store_->GetRecommendedValue(
 373       prefs::kUserPref,
 374       base::Value::TYPE_STRING, &value));
 375   EXPECT_TRUE(value->GetAsString(&actual_str_value));
 376   EXPECT_EQ(recommended_pref::kUserValue, actual_str_value);
 377
 378   // Test getting recommended value when no higher-priority value is present.
 379   value = NULL;
 380   ASSERT_TRUE(pref_value_store_->GetRecommendedValue(
 381       prefs::kRecommendedPref,
 382       base::Value::TYPE_STRING, &value));
 383   EXPECT_TRUE(value->GetAsString(&actual_str_value));
 384   EXPECT_EQ(recommended_pref::kRecommendedValue,
 385             actual_str_value);
 386
 387   // Test getting recommended value when no recommended value is present.
 388   base::FundamentalValue tmp_dummy_value(true);
 389   value = &tmp_dummy_value;
 390   ASSERT_FALSE(pref_value_store_->GetRecommendedValue(
 391       prefs::kDefaultPref,
 392       base::Value::TYPE_STRING, &value));
 393   ASSERT_FALSE(value);
 394
 395   // Test getting a preference value that the |PrefValueStore|
 396   // does not contain.
 397   value = &tmp_dummy_value;
 398   ASSERT_FALSE(pref_value_store_->GetRecommendedValue(
 399       prefs::kMissingPref,
 400       base::Value::TYPE_STRING, &value));
 401   ASSERT_FALSE(value);
 402 }
 403
 404 TEST_F(PrefValueStoreTest, PrefChanges) {
 405   // Check pref controlled by highest-priority store.
 406   ExpectValueChangeNotifications(prefs::kManagedPref);
 407   managed_pref_store_->NotifyPrefValueChanged(prefs::kManagedPref);
 408   CheckAndClearValueChangeNotifications();
 409
 410   ExpectValueChangeNotifications(prefs::kManagedPref);
 411   supervised_user_pref_store_->NotifyPrefValueChanged(prefs::kManagedPref);
 412   CheckAndClearValueChangeNotifications();
 413
 414   ExpectValueChangeNotifications(prefs::kManagedPref);
 415   extension_pref_store_->NotifyPrefValueChanged(prefs::kManagedPref);
 416   CheckAndClearValueChangeNotifications();
 417
 418   ExpectValueChangeNotifications(prefs::kManagedPref);
 419   command_line_pref_store_->NotifyPrefValueChanged(prefs::kManagedPref);
 420   CheckAndClearValueChangeNotifications();
 421
 422   ExpectValueChangeNotifications(prefs::kManagedPref);
 423   user_pref_store_->NotifyPrefValueChanged(prefs::kManagedPref);
 424   CheckAndClearValueChangeNotifications();
 425
 426   ExpectValueChangeNotifications(prefs::kManagedPref);
 427   recommended_pref_store_->NotifyPrefValueChanged(prefs::kManagedPref);
 428   CheckAndClearValueChangeNotifications();
 429
 430   ExpectValueChangeNotifications(prefs::kManagedPref);
 431   default_pref_store_->NotifyPrefValueChanged(prefs::kManagedPref);
 432   CheckAndClearValueChangeNotifications();
 433
 434   // Check pref controlled by user store.
 435   ExpectValueChangeNotifications(prefs::kUserPref);
 436   managed_pref_store_->NotifyPrefValueChanged(prefs::kUserPref);
 437   CheckAndClearValueChangeNotifications();
 438
 439   ExpectValueChangeNotifications(prefs::kUserPref);
 440   extension_pref_store_->NotifyPrefValueChanged(prefs::kUserPref);
 441   CheckAndClearValueChangeNotifications();
 442
 443   ExpectValueChangeNotifications(prefs::kUserPref);
 444   command_line_pref_store_->NotifyPrefValueChanged(prefs::kUserPref);
 445   CheckAndClearValueChangeNotifications();
 446
 447   ExpectValueChangeNotifications(prefs::kUserPref);
 448   user_pref_store_->NotifyPrefValueChanged(prefs::kUserPref);
 449   CheckAndClearValueChangeNotifications();
 450
 451   ExpectValueChangeNotifications(prefs::kUserPref);
 452   recommended_pref_store_->NotifyPrefValueChanged(prefs::kUserPref);
 453   CheckAndClearValueChangeNotifications();
 454
 455   ExpectValueChangeNotifications(prefs::kUserPref);
 456   default_pref_store_->NotifyPrefValueChanged(prefs::kUserPref);
 457   CheckAndClearValueChangeNotifications();
 458
 459   // Check pref controlled by default-pref store.
 460   ExpectValueChangeNotifications(prefs::kDefaultPref);
 461   managed_pref_store_->NotifyPrefValueChanged(prefs::kDefaultPref);
 462   CheckAndClearValueChangeNotifications();
 463
 464   ExpectValueChangeNotifications(prefs::kDefaultPref);
 465   extension_pref_store_->NotifyPrefValueChanged(prefs::kDefaultPref);
 466   CheckAndClearValueChangeNotifications();
 467
 468   ExpectValueChangeNotifications(prefs::kDefaultPref);
 469   command_line_pref_store_->NotifyPrefValueChanged(prefs::kDefaultPref);
 470   CheckAndClearValueChangeNotifications();
 471
 472   ExpectValueChangeNotifications(prefs::kDefaultPref);
 473   user_pref_store_->NotifyPrefValueChanged(prefs::kDefaultPref);
 474   CheckAndClearValueChangeNotifications();
 475
 476   ExpectValueChangeNotifications(prefs::kDefaultPref);
 477   recommended_pref_store_->NotifyPrefValueChanged(prefs::kDefaultPref);
 478   CheckAndClearValueChangeNotifications();
 479
 480   ExpectValueChangeNotifications(prefs::kDefaultPref);
 481   default_pref_store_->NotifyPrefValueChanged(prefs::kDefaultPref);
 482   CheckAndClearValueChangeNotifications();
 483 }
 484
 485 TEST_F(PrefValueStoreTest, OnInitializationCompleted) {
 486   EXPECT_CALL(pref_notifier_, OnInitializationCompleted(true)).Times(0);
 487   managed_pref_store_->SetInitializationCompleted();
 488   supervised_user_pref_store_->SetInitializationCompleted();
 489   extension_pref_store_->SetInitializationCompleted();
 490   command_line_pref_store_->SetInitializationCompleted();
 491   recommended_pref_store_->SetInitializationCompleted();
 492   default_pref_store_->SetInitializationCompleted();
 493   Mock::VerifyAndClearExpectations(&pref_notifier_);
 494
 495   // The notification should only be triggered after the last store is done.
 496   EXPECT_CALL(pref_notifier_, OnInitializationCompleted(true)).Times(1);
 497   user_pref_store_->SetInitializationCompleted();
 498   Mock::VerifyAndClearExpectations(&pref_notifier_);
 499 }
 500
 501 TEST_F(PrefValueStoreTest, PrefValueInManagedStore) {
 502   EXPECT_TRUE(pref_value_store_->PrefValueInManagedStore(
 503       prefs::kManagedPref));
 504   EXPECT_FALSE(pref_value_store_->PrefValueInManagedStore(
 505       prefs::kSupervisedUserPref));
 506   EXPECT_FALSE(pref_value_store_->PrefValueInManagedStore(
 507       prefs::kExtensionPref));
 508   EXPECT_FALSE(pref_value_store_->PrefValueInManagedStore(
 509       prefs::kCommandLinePref));
 510   EXPECT_FALSE(pref_value_store_->PrefValueInManagedStore(
 511       prefs::kUserPref));
 512   EXPECT_FALSE(pref_value_store_->PrefValueInManagedStore(
 513       prefs::kRecommendedPref));
 514   EXPECT_FALSE(pref_value_store_->PrefValueInManagedStore(
 515       prefs::kDefaultPref));
 516   EXPECT_FALSE(pref_value_store_->PrefValueInManagedStore(
 517       prefs::kMissingPref));
 518 }
 519
 520 TEST_F(PrefValueStoreTest, PrefValueInExtensionStore) {
 521   EXPECT_TRUE(pref_value_store_->PrefValueInExtensionStore(
 522       prefs::kManagedPref));
 523   EXPECT_TRUE(pref_value_store_->PrefValueInExtensionStore(
 524       prefs::kSupervisedUserPref));
 525   EXPECT_TRUE(pref_value_store_->PrefValueInExtensionStore(
 526       prefs::kExtensionPref));
 527   EXPECT_FALSE(pref_value_store_->PrefValueInExtensionStore(
 528       prefs::kCommandLinePref));
 529   EXPECT_FALSE(pref_value_store_->PrefValueInExtensionStore(
 530       prefs::kUserPref));
 531   EXPECT_FALSE(pref_value_store_->PrefValueInExtensionStore(
 532       prefs::kRecommendedPref));
 533   EXPECT_FALSE(pref_value_store_->PrefValueInExtensionStore(
 534       prefs::kDefaultPref));
 535   EXPECT_FALSE(pref_value_store_->PrefValueInExtensionStore(
 536       prefs::kMissingPref));
 537 }
 538
 539 TEST_F(PrefValueStoreTest, PrefValueInUserStore) {
 540   EXPECT_TRUE(pref_value_store_->PrefValueInUserStore(
 541       prefs::kManagedPref));
 542   EXPECT_TRUE(pref_value_store_->PrefValueInUserStore(
 543       prefs::kSupervisedUserPref));
 544   EXPECT_TRUE(pref_value_store_->PrefValueInUserStore(
 545       prefs::kExtensionPref));
 546   EXPECT_TRUE(pref_value_store_->PrefValueInUserStore(
 547       prefs::kCommandLinePref));
 548   EXPECT_TRUE(pref_value_store_->PrefValueInUserStore(
 549       prefs::kUserPref));
 550   EXPECT_FALSE(pref_value_store_->PrefValueInUserStore(
 551       prefs::kRecommendedPref));
 552   EXPECT_FALSE(pref_value_store_->PrefValueInUserStore(
 553       prefs::kDefaultPref));
 554   EXPECT_FALSE(pref_value_store_->PrefValueInUserStore(
 555       prefs::kMissingPref));
 556 }
 557
 558 TEST_F(PrefValueStoreTest, PrefValueFromExtensionStore) {
 559   EXPECT_FALSE(pref_value_store_->PrefValueFromExtensionStore(
 560       prefs::kManagedPref));
 561   EXPECT_FALSE(pref_value_store_->PrefValueFromExtensionStore(
 562       prefs::kSupervisedUserPref));
 563   EXPECT_TRUE(pref_value_store_->PrefValueFromExtensionStore(
 564       prefs::kExtensionPref));
 565   EXPECT_FALSE(pref_value_store_->PrefValueFromExtensionStore(
 566       prefs::kCommandLinePref));
 567   EXPECT_FALSE(pref_value_store_->PrefValueFromExtensionStore(
 568       prefs::kUserPref));
 569   EXPECT_FALSE(pref_value_store_->PrefValueFromExtensionStore(
 570       prefs::kRecommendedPref));
 571   EXPECT_FALSE(pref_value_store_->PrefValueFromExtensionStore(
 572       prefs::kDefaultPref));
 573   EXPECT_FALSE(pref_value_store_->PrefValueFromExtensionStore(
 574       prefs::kMissingPref));
 575 }
 576
 577 TEST_F(PrefValueStoreTest, PrefValueFromUserStore) {
 578   EXPECT_FALSE(pref_value_store_->PrefValueFromUserStore(
 579       prefs::kManagedPref));
 580   EXPECT_FALSE(pref_value_store_->PrefValueFromUserStore(
 581       prefs::kSupervisedUserPref));
 582   EXPECT_FALSE(pref_value_store_->PrefValueFromUserStore(
 583       prefs::kExtensionPref));
 584   EXPECT_FALSE(pref_value_store_->PrefValueFromUserStore(
 585       prefs::kCommandLinePref));
 586   EXPECT_TRUE(pref_value_store_->PrefValueFromUserStore(
 587       prefs::kUserPref));
 588   EXPECT_FALSE(pref_value_store_->PrefValueFromUserStore(
 589       prefs::kRecommendedPref));
 590   EXPECT_FALSE(pref_value_store_->PrefValueFromUserStore(
 591       prefs::kDefaultPref));
 592   EXPECT_FALSE(pref_value_store_->PrefValueFromUserStore(
 593       prefs::kMissingPref));
 594 }
 595
 596 TEST_F(PrefValueStoreTest, PrefValueFromRecommendedStore) {
 597   EXPECT_FALSE(pref_value_store_->PrefValueFromRecommendedStore(
 598       prefs::kManagedPref));
 599   EXPECT_FALSE(pref_value_store_->PrefValueFromRecommendedStore(
 600       prefs::kSupervisedUserPref));
 601   EXPECT_FALSE(pref_value_store_->PrefValueFromRecommendedStore(
 602       prefs::kExtensionPref));
 603   EXPECT_FALSE(pref_value_store_->PrefValueFromRecommendedStore(
 604       prefs::kCommandLinePref));
 605   EXPECT_FALSE(pref_value_store_->PrefValueFromRecommendedStore(
 606       prefs::kUserPref));
 607   EXPECT_TRUE(pref_value_store_->PrefValueFromRecommendedStore(
 608       prefs::kRecommendedPref));
 609   EXPECT_FALSE(pref_value_store_->PrefValueFromRecommendedStore(
 610       prefs::kDefaultPref));
 611   EXPECT_FALSE(pref_value_store_->PrefValueFromRecommendedStore(
 612       prefs::kMissingPref));
 613 }
 614
 615 TEST_F(PrefValueStoreTest, PrefValueFromDefaultStore) {
 616   EXPECT_FALSE(pref_value_store_->PrefValueFromDefaultStore(
 617       prefs::kManagedPref));
 618   EXPECT_FALSE(pref_value_store_->PrefValueFromDefaultStore(
 619       prefs::kSupervisedUserPref));
 620   EXPECT_FALSE(pref_value_store_->PrefValueFromDefaultStore(
 621       prefs::kExtensionPref));
 622   EXPECT_FALSE(pref_value_store_->PrefValueFromDefaultStore(
 623       prefs::kCommandLinePref));
 624   EXPECT_FALSE(pref_value_store_->PrefValueFromDefaultStore(
 625       prefs::kUserPref));
 626   EXPECT_FALSE(pref_value_store_->PrefValueFromDefaultStore(
 627       prefs::kRecommendedPref));
 628   EXPECT_TRUE(pref_value_store_->PrefValueFromDefaultStore(
 629       prefs::kDefaultPref));
 630   EXPECT_FALSE(pref_value_store_->PrefValueFromDefaultStore(
 631       prefs::kMissingPref));
 632 }
 633
 634 TEST_F(PrefValueStoreTest, PrefValueUserModifiable) {
 635   EXPECT_FALSE(pref_value_store_->PrefValueUserModifiable(
 636       prefs::kManagedPref));
 637   EXPECT_FALSE(pref_value_store_->PrefValueUserModifiable(
 638       prefs::kSupervisedUserPref));
 639   EXPECT_FALSE(pref_value_store_->PrefValueUserModifiable(
 640       prefs::kExtensionPref));
 641   EXPECT_FALSE(pref_value_store_->PrefValueUserModifiable(
 642       prefs::kCommandLinePref));
 643   EXPECT_TRUE(pref_value_store_->PrefValueUserModifiable(
 644       prefs::kUserPref));
 645   EXPECT_TRUE(pref_value_store_->PrefValueUserModifiable(
 646       prefs::kRecommendedPref));
 647   EXPECT_TRUE(pref_value_store_->PrefValueUserModifiable(
 648       prefs::kDefaultPref));
 649   EXPECT_TRUE(pref_value_store_->PrefValueUserModifiable(
 650       prefs::kMissingPref));
 651 }
 652
 653 TEST_F(PrefValueStoreTest, PrefValueExtensionModifiable) {
 654   EXPECT_FALSE(pref_value_store_->PrefValueExtensionModifiable(
 655       prefs::kManagedPref));
 656   EXPECT_FALSE(pref_value_store_->PrefValueExtensionModifiable(
 657       prefs::kSupervisedUserPref));
 658   EXPECT_TRUE(pref_value_store_->PrefValueExtensionModifiable(
 659       prefs::kExtensionPref));
 660   EXPECT_TRUE(pref_value_store_->PrefValueExtensionModifiable(
 661       prefs::kCommandLinePref));
 662   EXPECT_TRUE(pref_value_store_->PrefValueExtensionModifiable(
 663       prefs::kUserPref));
 664   EXPECT_TRUE(pref_value_store_->PrefValueExtensionModifiable(
 665       prefs::kRecommendedPref));
 666   EXPECT_TRUE(pref_value_store_->PrefValueExtensionModifiable(
 667       prefs::kDefaultPref));
 668   EXPECT_TRUE(pref_value_store_->PrefValueExtensionModifiable(
 669       prefs::kMissingPref));
 670 }