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- // Copyright 2016 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 "components/prefs/in_memory_pref_store.h"
- #include <memory>
- #include "base/test/task_environment.h"
- #include "base/values.h"
- #include "components/prefs/persistent_pref_store_unittest.h"
- #include "components/prefs/pref_store_observer_mock.h"
- #include "testing/gmock/include/gmock/gmock.h"
- #include "testing/gtest/include/gtest/gtest.h"
- namespace {
- const char kTestPref[] = "test.pref";
- class InMemoryPrefStoreTest : public testing::Test {
- public:
- InMemoryPrefStoreTest() { }
- void SetUp() override { store_ = new InMemoryPrefStore(); }
- protected:
- base::test::TaskEnvironment task_environment_;
- scoped_refptr<InMemoryPrefStore> store_;
- PrefStoreObserverMock observer_;
- };
- TEST_F(InMemoryPrefStoreTest, SetGetValue) {
- const base::Value* value = nullptr;
- base::Value* mutable_value = nullptr;
- EXPECT_FALSE(store_->GetValue(kTestPref, &value));
- EXPECT_FALSE(store_->GetMutableValue(kTestPref, &mutable_value));
- store_->SetValue(kTestPref, std::make_unique<base::Value>(42),
- WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS);
- EXPECT_TRUE(store_->GetValue(kTestPref, &value));
- EXPECT_EQ(base::Value(42), *value);
- EXPECT_TRUE(store_->GetMutableValue(kTestPref, &mutable_value));
- EXPECT_EQ(base::Value(42), *mutable_value);
- store_->RemoveValue(kTestPref, WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS);
- EXPECT_FALSE(store_->GetValue(kTestPref, &value));
- EXPECT_FALSE(store_->GetMutableValue(kTestPref, &mutable_value));
- }
- TEST_F(InMemoryPrefStoreTest, GetSetObserver) {
- // Starts with no observers.
- EXPECT_FALSE(store_->HasObservers());
- // Add one.
- store_->AddObserver(&observer_);
- EXPECT_TRUE(store_->HasObservers());
- // Remove only observer.
- store_->RemoveObserver(&observer_);
- EXPECT_FALSE(store_->HasObservers());
- }
- TEST_F(InMemoryPrefStoreTest, CallObserver) {
- // With observer included.
- store_->AddObserver(&observer_);
- // Triggers on SetValue.
- store_->SetValue(kTestPref, std::make_unique<base::Value>(42),
- WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS);
- observer_.VerifyAndResetChangedKey(kTestPref);
- // And RemoveValue.
- store_->RemoveValue(kTestPref, WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS);
- observer_.VerifyAndResetChangedKey(kTestPref);
- // But not SetValueSilently.
- store_->SetValueSilently(kTestPref, std::make_unique<base::Value>(42),
- WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS);
- EXPECT_EQ(0u, observer_.changed_keys.size());
- // On multiple RemoveValues only the first one triggers observer.
- store_->RemoveValue(kTestPref, WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS);
- observer_.VerifyAndResetChangedKey(kTestPref);
- store_->RemoveValue(kTestPref, WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS);
- EXPECT_EQ(0u, observer_.changed_keys.size());
- // Doesn't make call on removed observers.
- store_->RemoveObserver(&observer_);
- store_->SetValue(kTestPref, std::make_unique<base::Value>(42),
- WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS);
- store_->RemoveValue(kTestPref, WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS);
- EXPECT_EQ(0u, observer_.changed_keys.size());
- }
- TEST_F(InMemoryPrefStoreTest, Initialization) {
- EXPECT_TRUE(store_->IsInitializationComplete());
- }
- TEST_F(InMemoryPrefStoreTest, ReadOnly) {
- EXPECT_FALSE(store_->ReadOnly());
- }
- TEST_F(InMemoryPrefStoreTest, GetReadError) {
- EXPECT_EQ(PersistentPrefStore::PREF_READ_ERROR_NONE, store_->GetReadError());
- }
- TEST_F(InMemoryPrefStoreTest, ReadPrefs) {
- EXPECT_EQ(PersistentPrefStore::PREF_READ_ERROR_NONE, store_->ReadPrefs());
- }
- TEST_F(InMemoryPrefStoreTest, CommitPendingWriteWithCallback) {
- TestCommitPendingWriteWithCallback(store_.get(), &task_environment_);
- }
- TEST_F(InMemoryPrefStoreTest, RemoveValuesByPrefix) {
- const base::Value* value;
- const std::string prefix = "pref";
- const std::string subpref_name1 = "pref.a";
- const std::string subpref_name2 = "pref.b";
- const std::string other_name = "other";
- store_->SetValue(subpref_name1, std::make_unique<base::Value>(42),
- WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS);
- store_->SetValue(subpref_name2, std::make_unique<base::Value>(42),
- WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS);
- store_->SetValue(other_name, std::make_unique<base::Value>(42),
- WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS);
- store_->RemoveValuesByPrefixSilently(prefix);
- EXPECT_FALSE(store_->GetValue(subpref_name1, &value));
- EXPECT_FALSE(store_->GetValue(subpref_name2, &value));
- EXPECT_TRUE(store_->GetValue(other_name, &value));
- }
- } // namespace
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