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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "base/macros.h" | 5 #include "base/macros.h" |
6 #include "components/prefs/default_pref_store.h" | 6 #include "components/prefs/default_pref_store.h" |
7 #include "testing/gtest/include/gtest/gtest.h" | 7 #include "testing/gtest/include/gtest/gtest.h" |
8 | 8 |
9 using base::StringValue; | |
10 using base::Value; | 9 using base::Value; |
11 | 10 |
12 namespace { | 11 namespace { |
13 | 12 |
14 class MockPrefStoreObserver : public PrefStore::Observer { | 13 class MockPrefStoreObserver : public PrefStore::Observer { |
15 public: | 14 public: |
16 explicit MockPrefStoreObserver(DefaultPrefStore* pref_store); | 15 explicit MockPrefStoreObserver(DefaultPrefStore* pref_store); |
17 ~MockPrefStoreObserver() override; | 16 ~MockPrefStoreObserver() override; |
18 | 17 |
19 int change_count() { | 18 int change_count() { |
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47 | 46 |
48 } // namespace | 47 } // namespace |
49 | 48 |
50 TEST(DefaultPrefStoreTest, NotifyPrefValueChanged) { | 49 TEST(DefaultPrefStoreTest, NotifyPrefValueChanged) { |
51 scoped_refptr<DefaultPrefStore> pref_store(new DefaultPrefStore); | 50 scoped_refptr<DefaultPrefStore> pref_store(new DefaultPrefStore); |
52 MockPrefStoreObserver observer(pref_store.get()); | 51 MockPrefStoreObserver observer(pref_store.get()); |
53 std::string kPrefKey("pref_key"); | 52 std::string kPrefKey("pref_key"); |
54 | 53 |
55 // Setting a default value shouldn't send a change notification. | 54 // Setting a default value shouldn't send a change notification. |
56 pref_store->SetDefaultValue(kPrefKey, | 55 pref_store->SetDefaultValue(kPrefKey, |
57 std::unique_ptr<Value>(new StringValue("foo"))); | 56 std::unique_ptr<Value>(new Value("foo"))); |
58 EXPECT_EQ(0, observer.change_count()); | 57 EXPECT_EQ(0, observer.change_count()); |
59 | 58 |
60 // Replacing the default value should send a change notification... | 59 // Replacing the default value should send a change notification... |
61 pref_store->ReplaceDefaultValue( | 60 pref_store->ReplaceDefaultValue(kPrefKey, |
62 kPrefKey, std::unique_ptr<Value>(new StringValue("bar"))); | 61 std::unique_ptr<Value>(new Value("bar"))); |
63 EXPECT_EQ(1, observer.change_count()); | 62 EXPECT_EQ(1, observer.change_count()); |
64 | 63 |
65 // But only if the value actually changed. | 64 // But only if the value actually changed. |
66 pref_store->ReplaceDefaultValue( | 65 pref_store->ReplaceDefaultValue(kPrefKey, |
67 kPrefKey, std::unique_ptr<Value>(new StringValue("bar"))); | 66 std::unique_ptr<Value>(new Value("bar"))); |
68 EXPECT_EQ(1, observer.change_count()); | 67 EXPECT_EQ(1, observer.change_count()); |
69 } | 68 } |
70 | 69 |
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