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| 1 // Copyright (c) 2011 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 "chrome/browser/prefs/pref_member.h" | |
| 6 | |
| 7 #include "base/bind.h" | |
| 8 #include "base/message_loop.h" | |
| 9 #include "chrome/browser/prefs/pref_value_store.h" | |
| 10 #include "chrome/common/chrome_notification_types.h" | |
| 11 #include "chrome/test/base/testing_pref_service.h" | |
| 12 #include "content/public/browser/notification_details.h" | |
| 13 #include "content/public/browser/notification_source.h" | |
| 14 #include "content/public/test/test_browser_thread.h" | |
| 15 #include "testing/gtest/include/gtest/gtest.h" | |
| 16 | |
| 17 using content::BrowserThread; | |
| 18 | |
| 19 namespace { | |
| 20 | |
| 21 const char kBoolPref[] = "bool"; | |
| 22 const char kIntPref[] = "int"; | |
| 23 const char kDoublePref[] = "double"; | |
| 24 const char kStringPref[] = "string"; | |
| 25 | |
| 26 void RegisterTestPrefs(PrefService* prefs) { | |
| 27 prefs->RegisterBooleanPref(kBoolPref, false, PrefService::UNSYNCABLE_PREF); | |
| 28 prefs->RegisterIntegerPref(kIntPref, 0, PrefService::UNSYNCABLE_PREF); | |
| 29 prefs->RegisterDoublePref(kDoublePref, 0.0, PrefService::UNSYNCABLE_PREF); | |
| 30 prefs->RegisterStringPref(kStringPref, | |
| 31 "default", | |
| 32 PrefService::UNSYNCABLE_PREF); | |
| 33 } | |
| 34 | |
| 35 class GetPrefValueCallback | |
| 36 : public base::RefCountedThreadSafe<GetPrefValueCallback> { | |
| 37 public: | |
| 38 GetPrefValueCallback() : value_(false) {} | |
| 39 | |
| 40 void Init(const char* pref_name, PrefService* prefs) { | |
| 41 pref_.Init(pref_name, prefs, NULL); | |
| 42 pref_.MoveToThread(BrowserThread::IO); | |
| 43 } | |
| 44 | |
| 45 bool FetchValue() { | |
| 46 if (!BrowserThread::PostTask( | |
| 47 BrowserThread::IO, FROM_HERE, | |
| 48 base::Bind(&GetPrefValueCallback::GetPrefValueOnIOThread, this))) { | |
| 49 return false; | |
| 50 } | |
| 51 MessageLoop::current()->Run(); | |
| 52 return true; | |
| 53 } | |
| 54 | |
| 55 bool value() { return value_; } | |
| 56 | |
| 57 private: | |
| 58 friend class base::RefCountedThreadSafe<GetPrefValueCallback>; | |
| 59 ~GetPrefValueCallback() {} | |
| 60 | |
| 61 void GetPrefValueOnIOThread() { | |
| 62 value_ = pref_.GetValue(); | |
| 63 BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, | |
| 64 MessageLoop::QuitClosure()); | |
| 65 } | |
| 66 | |
| 67 BooleanPrefMember pref_; | |
| 68 bool value_; | |
| 69 }; | |
| 70 | |
| 71 class PrefMemberTestClass : public content::NotificationObserver { | |
| 72 public: | |
| 73 explicit PrefMemberTestClass(PrefService* prefs) | |
| 74 : observe_cnt_(0), prefs_(prefs) { | |
| 75 str_.Init(kStringPref, prefs, this); | |
| 76 } | |
| 77 | |
| 78 virtual void Observe(int type, | |
| 79 const content::NotificationSource& source, | |
| 80 const content::NotificationDetails& details) { | |
| 81 DCHECK(chrome::NOTIFICATION_PREF_CHANGED == type); | |
| 82 PrefService* prefs_in = content::Source<PrefService>(source).ptr(); | |
| 83 EXPECT_EQ(prefs_in, prefs_); | |
| 84 std::string* pref_name_in = content::Details<std::string>(details).ptr(); | |
| 85 EXPECT_EQ(*pref_name_in, kStringPref); | |
| 86 EXPECT_EQ(str_.GetValue(), prefs_->GetString(kStringPref)); | |
| 87 ++observe_cnt_; | |
| 88 } | |
| 89 | |
| 90 StringPrefMember str_; | |
| 91 int observe_cnt_; | |
| 92 | |
| 93 private: | |
| 94 PrefService* prefs_; | |
| 95 }; | |
| 96 | |
| 97 } // anonymous namespace | |
| 98 | |
| 99 TEST(PrefMemberTest, BasicGetAndSet) { | |
| 100 TestingPrefService prefs; | |
| 101 RegisterTestPrefs(&prefs); | |
| 102 | |
| 103 // Test bool | |
| 104 BooleanPrefMember boolean; | |
| 105 boolean.Init(kBoolPref, &prefs, NULL); | |
| 106 | |
| 107 // Check the defaults | |
| 108 EXPECT_FALSE(prefs.GetBoolean(kBoolPref)); | |
| 109 EXPECT_FALSE(boolean.GetValue()); | |
| 110 EXPECT_FALSE(*boolean); | |
| 111 | |
| 112 // Try changing through the member variable. | |
| 113 boolean.SetValue(true); | |
| 114 EXPECT_TRUE(boolean.GetValue()); | |
| 115 EXPECT_TRUE(prefs.GetBoolean(kBoolPref)); | |
| 116 EXPECT_TRUE(*boolean); | |
| 117 | |
| 118 // Try changing back through the pref. | |
| 119 prefs.SetBoolean(kBoolPref, false); | |
| 120 EXPECT_FALSE(prefs.GetBoolean(kBoolPref)); | |
| 121 EXPECT_FALSE(boolean.GetValue()); | |
| 122 EXPECT_FALSE(*boolean); | |
| 123 | |
| 124 // Test int | |
| 125 IntegerPrefMember integer; | |
| 126 integer.Init(kIntPref, &prefs, NULL); | |
| 127 | |
| 128 // Check the defaults | |
| 129 EXPECT_EQ(0, prefs.GetInteger(kIntPref)); | |
| 130 EXPECT_EQ(0, integer.GetValue()); | |
| 131 EXPECT_EQ(0, *integer); | |
| 132 | |
| 133 // Try changing through the member variable. | |
| 134 integer.SetValue(5); | |
| 135 EXPECT_EQ(5, integer.GetValue()); | |
| 136 EXPECT_EQ(5, prefs.GetInteger(kIntPref)); | |
| 137 EXPECT_EQ(5, *integer); | |
| 138 | |
| 139 // Try changing back through the pref. | |
| 140 prefs.SetInteger(kIntPref, 2); | |
| 141 EXPECT_EQ(2, prefs.GetInteger(kIntPref)); | |
| 142 EXPECT_EQ(2, integer.GetValue()); | |
| 143 EXPECT_EQ(2, *integer); | |
| 144 | |
| 145 // Test double | |
| 146 DoublePrefMember double_member; | |
| 147 double_member.Init(kDoublePref, &prefs, NULL); | |
| 148 | |
| 149 // Check the defaults | |
| 150 EXPECT_EQ(0.0, prefs.GetDouble(kDoublePref)); | |
| 151 EXPECT_EQ(0.0, double_member.GetValue()); | |
| 152 EXPECT_EQ(0.0, *double_member); | |
| 153 | |
| 154 // Try changing through the member variable. | |
| 155 double_member.SetValue(1.0); | |
| 156 EXPECT_EQ(1.0, double_member.GetValue()); | |
| 157 EXPECT_EQ(1.0, prefs.GetDouble(kDoublePref)); | |
| 158 EXPECT_EQ(1.0, *double_member); | |
| 159 | |
| 160 // Try changing back through the pref. | |
| 161 prefs.SetDouble(kDoublePref, 3.0); | |
| 162 EXPECT_EQ(3.0, prefs.GetDouble(kDoublePref)); | |
| 163 EXPECT_EQ(3.0, double_member.GetValue()); | |
| 164 EXPECT_EQ(3.0, *double_member); | |
| 165 | |
| 166 // Test string | |
| 167 StringPrefMember string; | |
| 168 string.Init(kStringPref, &prefs, NULL); | |
| 169 | |
| 170 // Check the defaults | |
| 171 EXPECT_EQ("default", prefs.GetString(kStringPref)); | |
| 172 EXPECT_EQ("default", string.GetValue()); | |
| 173 EXPECT_EQ("default", *string); | |
| 174 | |
| 175 // Try changing through the member variable. | |
| 176 string.SetValue("foo"); | |
| 177 EXPECT_EQ("foo", string.GetValue()); | |
| 178 EXPECT_EQ("foo", prefs.GetString(kStringPref)); | |
| 179 EXPECT_EQ("foo", *string); | |
| 180 | |
| 181 // Try changing back through the pref. | |
| 182 prefs.SetString(kStringPref, "bar"); | |
| 183 EXPECT_EQ("bar", prefs.GetString(kStringPref)); | |
| 184 EXPECT_EQ("bar", string.GetValue()); | |
| 185 EXPECT_EQ("bar", *string); | |
| 186 } | |
| 187 | |
| 188 TEST(PrefMemberTest, TwoPrefs) { | |
| 189 // Make sure two DoublePrefMembers stay in sync. | |
| 190 TestingPrefService prefs; | |
| 191 RegisterTestPrefs(&prefs); | |
| 192 | |
| 193 DoublePrefMember pref1; | |
| 194 pref1.Init(kDoublePref, &prefs, NULL); | |
| 195 DoublePrefMember pref2; | |
| 196 pref2.Init(kDoublePref, &prefs, NULL); | |
| 197 | |
| 198 pref1.SetValue(2.3); | |
| 199 EXPECT_EQ(2.3, *pref2); | |
| 200 | |
| 201 pref2.SetValue(3.5); | |
| 202 EXPECT_EQ(3.5, *pref1); | |
| 203 | |
| 204 prefs.SetDouble(kDoublePref, 4.2); | |
| 205 EXPECT_EQ(4.2, *pref1); | |
| 206 EXPECT_EQ(4.2, *pref2); | |
| 207 } | |
| 208 | |
| 209 TEST(PrefMemberTest, Observer) { | |
| 210 TestingPrefService prefs; | |
| 211 RegisterTestPrefs(&prefs); | |
| 212 | |
| 213 PrefMemberTestClass test_obj(&prefs); | |
| 214 EXPECT_EQ("default", *test_obj.str_); | |
| 215 | |
| 216 // Calling SetValue should not fire the observer. | |
| 217 test_obj.str_.SetValue("hello"); | |
| 218 EXPECT_EQ(0, test_obj.observe_cnt_); | |
| 219 EXPECT_EQ("hello", prefs.GetString(kStringPref)); | |
| 220 | |
| 221 // Changing the pref does fire the observer. | |
| 222 prefs.SetString(kStringPref, "world"); | |
| 223 EXPECT_EQ(1, test_obj.observe_cnt_); | |
| 224 EXPECT_EQ("world", *(test_obj.str_)); | |
| 225 | |
| 226 // Not changing the value should not fire the observer. | |
| 227 prefs.SetString(kStringPref, "world"); | |
| 228 EXPECT_EQ(1, test_obj.observe_cnt_); | |
| 229 EXPECT_EQ("world", *(test_obj.str_)); | |
| 230 | |
| 231 prefs.SetString(kStringPref, "hello"); | |
| 232 EXPECT_EQ(2, test_obj.observe_cnt_); | |
| 233 EXPECT_EQ("hello", prefs.GetString(kStringPref)); | |
| 234 } | |
| 235 | |
| 236 TEST(PrefMemberTest, NoInit) { | |
| 237 // Make sure not calling Init on a PrefMember doesn't cause problems. | |
| 238 IntegerPrefMember pref; | |
| 239 } | |
| 240 | |
| 241 TEST(PrefMemberTest, MoveToThread) { | |
| 242 TestingPrefService prefs; | |
| 243 scoped_refptr<GetPrefValueCallback> callback = | |
| 244 make_scoped_refptr(new GetPrefValueCallback()); | |
| 245 MessageLoop message_loop; | |
| 246 content::TestBrowserThread ui_thread(BrowserThread::UI, &message_loop); | |
| 247 content::TestBrowserThread io_thread(BrowserThread::IO); | |
| 248 ASSERT_TRUE(io_thread.Start()); | |
| 249 RegisterTestPrefs(&prefs); | |
| 250 callback->Init(kBoolPref, &prefs); | |
| 251 | |
| 252 ASSERT_TRUE(callback->FetchValue()); | |
| 253 EXPECT_FALSE(callback->value()); | |
| 254 | |
| 255 prefs.SetBoolean(kBoolPref, true); | |
| 256 | |
| 257 ASSERT_TRUE(callback->FetchValue()); | |
| 258 EXPECT_TRUE(callback->value()); | |
| 259 } | |
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Chromium Code Reviews
Issue 10857031:
Move PrefMember and PrefChangeRegistrar to api directory. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src