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| 1 // Copyright (c) 2010 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 <queue> | |
| 6 | |
| 7 #include "base/message_loop.h" | |
| 8 #include "base/synchronization/lock.h" | |
| 9 #include "base/task.h" | |
| 10 #include "chrome/browser/device_orientation/data_fetcher.h" | |
| 11 #include "chrome/browser/device_orientation/orientation.h" | |
| 12 #include "chrome/browser/device_orientation/provider.h" | |
| 13 #include "chrome/browser/device_orientation/provider_impl.h" | |
| 14 #include "testing/gtest/include/gtest/gtest.h" | |
| 15 | |
| 16 namespace device_orientation { | |
| 17 namespace { | |
| 18 | |
| 19 // Class for checking expectations on orientation updates from the Provider. | |
| 20 class UpdateChecker : public Provider::Observer { | |
| 21 public: | |
| 22 explicit UpdateChecker(int* expectations_count_ptr) | |
| 23 : expectations_count_ptr_(expectations_count_ptr) { | |
| 24 } | |
| 25 | |
| 26 // From Provider::Observer. | |
| 27 virtual void OnOrientationUpdate(const Orientation& orientation) { | |
| 28 ASSERT_FALSE(expectations_queue_.empty()); | |
| 29 | |
| 30 Orientation expected = expectations_queue_.front(); | |
| 31 expectations_queue_.pop(); | |
| 32 | |
| 33 EXPECT_EQ(expected.can_provide_alpha_, orientation.can_provide_alpha_); | |
| 34 EXPECT_EQ(expected.can_provide_beta_, orientation.can_provide_beta_); | |
| 35 EXPECT_EQ(expected.can_provide_gamma_, orientation.can_provide_gamma_); | |
| 36 if (expected.can_provide_alpha_) | |
| 37 EXPECT_EQ(expected.alpha_, orientation.alpha_); | |
| 38 if (expected.can_provide_beta_) | |
| 39 EXPECT_EQ(expected.beta_, orientation.beta_); | |
| 40 if (expected.can_provide_gamma_) | |
| 41 EXPECT_EQ(expected.gamma_, orientation.gamma_); | |
| 42 | |
| 43 --(*expectations_count_ptr_); | |
| 44 | |
| 45 if (*expectations_count_ptr_ == 0) { | |
| 46 MessageLoop::current()->PostTask(FROM_HERE, new MessageLoop::QuitTask()); | |
| 47 } | |
| 48 } | |
| 49 | |
| 50 void AddExpectation(const Orientation& orientation) { | |
| 51 expectations_queue_.push(orientation); | |
| 52 ++(*expectations_count_ptr_); | |
| 53 } | |
| 54 | |
| 55 private: | |
| 56 // Set up by the test fixture, which then blocks while it is accessed | |
| 57 // from OnOrientationUpdate which is executed on the test fixture's | |
| 58 // message_loop_. | |
| 59 int* expectations_count_ptr_; | |
| 60 std::queue<Orientation> expectations_queue_; | |
| 61 }; | |
| 62 | |
| 63 // Class for injecting test orientation data into the Provider. | |
| 64 class MockOrientationFactory : public base::RefCounted<MockOrientationFactory> { | |
| 65 public: | |
| 66 MockOrientationFactory() { | |
| 67 EXPECT_FALSE(instance_); | |
| 68 instance_ = this; | |
| 69 } | |
| 70 | |
| 71 ~MockOrientationFactory() { | |
| 72 instance_ = NULL; | |
| 73 } | |
| 74 | |
| 75 static DataFetcher* CreateDataFetcher() { | |
| 76 EXPECT_TRUE(instance_); | |
| 77 return new MockDataFetcher(instance_); | |
| 78 } | |
| 79 | |
| 80 void SetOrientation(const Orientation& orientation) { | |
| 81 base::AutoLock auto_lock(lock_); | |
| 82 orientation_ = orientation; | |
| 83 } | |
| 84 | |
| 85 private: | |
| 86 // Owned by ProviderImpl. Holds a reference back to MockOrientationFactory. | |
| 87 class MockDataFetcher : public DataFetcher { | |
| 88 public: | |
| 89 explicit MockDataFetcher(MockOrientationFactory* orientation_factory) | |
| 90 : orientation_factory_(orientation_factory) { } | |
| 91 | |
| 92 // From DataFetcher. Called by the Provider. | |
| 93 virtual bool GetOrientation(Orientation* orientation) { | |
| 94 base::AutoLock auto_lock(orientation_factory_->lock_); | |
| 95 *orientation = orientation_factory_->orientation_; | |
| 96 return true; | |
| 97 } | |
| 98 | |
| 99 private: | |
| 100 scoped_refptr<MockOrientationFactory> orientation_factory_; | |
| 101 }; | |
| 102 | |
| 103 static MockOrientationFactory* instance_; | |
| 104 Orientation orientation_; | |
| 105 base::Lock lock_; | |
| 106 }; | |
| 107 | |
| 108 MockOrientationFactory* MockOrientationFactory::instance_; | |
| 109 | |
| 110 // Mock DataFetcher that always fails to provide any orientation data. | |
| 111 class FailingDataFetcher : public DataFetcher { | |
| 112 public: | |
| 113 // Factory method; passed to and called by the ProviderImpl. | |
| 114 static DataFetcher* Create() { | |
| 115 return new FailingDataFetcher(); | |
| 116 } | |
| 117 | |
| 118 // From DataFetcher. | |
| 119 virtual bool GetOrientation(Orientation* orientation) { | |
| 120 return false; | |
| 121 } | |
| 122 | |
| 123 private: | |
| 124 FailingDataFetcher() {} | |
| 125 }; | |
| 126 | |
| 127 class DeviceOrientationProviderTest : public testing::Test { | |
| 128 public: | |
| 129 DeviceOrientationProviderTest() | |
| 130 : pending_expectations_(0) { | |
| 131 } | |
| 132 | |
| 133 virtual void TearDown() { | |
| 134 provider_ = NULL; | |
| 135 | |
| 136 // Make sure it is really gone. | |
| 137 EXPECT_FALSE(Provider::GetInstanceForTests()); | |
| 138 | |
| 139 // Clean up in any case, so as to not break subsequent test. | |
| 140 Provider::SetInstanceForTests(NULL); | |
| 141 } | |
| 142 | |
| 143 // Initialize the test fixture with a ProviderImpl that uses the | |
| 144 // DataFetcherFactories in the null-terminated factories array. | |
| 145 void Init(ProviderImpl::DataFetcherFactory* factories) { | |
| 146 provider_ = new ProviderImpl(factories); | |
| 147 Provider::SetInstanceForTests(provider_); | |
| 148 } | |
| 149 | |
| 150 // Initialize the test fixture with a ProviderImpl that uses the | |
| 151 // DataFetcherFactory factory. | |
| 152 void Init(ProviderImpl::DataFetcherFactory factory) { | |
| 153 ProviderImpl::DataFetcherFactory factories[] = { factory, NULL }; | |
| 154 Init(factories); | |
| 155 } | |
| 156 | |
| 157 protected: | |
| 158 // Number of pending expectations. | |
| 159 int pending_expectations_; | |
| 160 | |
| 161 // Provider instance under test. | |
| 162 scoped_refptr<Provider> provider_; | |
| 163 | |
| 164 // Message loop for the test thread. | |
| 165 MessageLoop message_loop_; | |
| 166 }; | |
| 167 | |
| 168 TEST_F(DeviceOrientationProviderTest, FailingTest) { | |
| 169 Init(FailingDataFetcher::Create); | |
| 170 | |
| 171 scoped_ptr<UpdateChecker> checker_a( | |
| 172 new UpdateChecker(&pending_expectations_)); | |
| 173 scoped_ptr<UpdateChecker> checker_b( | |
| 174 new UpdateChecker(&pending_expectations_)); | |
| 175 | |
| 176 checker_a->AddExpectation(Orientation::Empty()); | |
| 177 provider_->AddObserver(checker_a.get()); | |
| 178 MessageLoop::current()->Run(); | |
| 179 | |
| 180 checker_b->AddExpectation(Orientation::Empty()); | |
| 181 provider_->AddObserver(checker_b.get()); | |
| 182 MessageLoop::current()->Run(); | |
| 183 } | |
| 184 | |
| 185 TEST_F(DeviceOrientationProviderTest, ProviderIsSingleton) { | |
| 186 Init(FailingDataFetcher::Create); | |
| 187 | |
| 188 scoped_refptr<Provider> provider_a(Provider::GetInstance()); | |
| 189 scoped_refptr<Provider> provider_b(Provider::GetInstance()); | |
| 190 | |
| 191 EXPECT_EQ(provider_a.get(), provider_b.get()); | |
| 192 } | |
| 193 | |
| 194 TEST_F(DeviceOrientationProviderTest, BasicPushTest) { | |
| 195 scoped_refptr<MockOrientationFactory> orientation_factory( | |
| 196 new MockOrientationFactory()); | |
| 197 Init(MockOrientationFactory::CreateDataFetcher); | |
| 198 const Orientation kTestOrientation(true, 1, true, 2, true, 3); | |
| 199 | |
| 200 scoped_ptr<UpdateChecker> checker(new UpdateChecker(&pending_expectations_)); | |
| 201 checker->AddExpectation(kTestOrientation); | |
| 202 orientation_factory->SetOrientation(kTestOrientation); | |
| 203 provider_->AddObserver(checker.get()); | |
| 204 MessageLoop::current()->Run(); | |
| 205 | |
| 206 provider_->RemoveObserver(checker.get()); | |
| 207 } | |
| 208 | |
| 209 TEST_F(DeviceOrientationProviderTest, MultipleObserversPushTest) { | |
| 210 scoped_refptr<MockOrientationFactory> orientation_factory( | |
| 211 new MockOrientationFactory()); | |
| 212 Init(MockOrientationFactory::CreateDataFetcher); | |
| 213 const Orientation kTestOrientations[] = { | |
| 214 Orientation(true, 1, true, 2, true, 3), | |
| 215 Orientation(true, 4, true, 5, true, 6), | |
| 216 Orientation(true, 7, true, 8, true, 9)}; | |
| 217 | |
| 218 scoped_ptr<UpdateChecker> checker_a( | |
| 219 new UpdateChecker(&pending_expectations_)); | |
| 220 scoped_ptr<UpdateChecker> checker_b( | |
| 221 new UpdateChecker(&pending_expectations_)); | |
| 222 scoped_ptr<UpdateChecker> checker_c( | |
| 223 new UpdateChecker(&pending_expectations_)); | |
| 224 | |
| 225 checker_a->AddExpectation(kTestOrientations[0]); | |
| 226 orientation_factory->SetOrientation(kTestOrientations[0]); | |
| 227 provider_->AddObserver(checker_a.get()); | |
| 228 MessageLoop::current()->Run(); | |
| 229 | |
| 230 checker_a->AddExpectation(kTestOrientations[1]); | |
| 231 checker_b->AddExpectation(kTestOrientations[0]); | |
| 232 checker_b->AddExpectation(kTestOrientations[1]); | |
| 233 orientation_factory->SetOrientation(kTestOrientations[1]); | |
| 234 provider_->AddObserver(checker_b.get()); | |
| 235 MessageLoop::current()->Run(); | |
| 236 | |
| 237 provider_->RemoveObserver(checker_a.get()); | |
| 238 checker_b->AddExpectation(kTestOrientations[2]); | |
| 239 checker_c->AddExpectation(kTestOrientations[1]); | |
| 240 checker_c->AddExpectation(kTestOrientations[2]); | |
| 241 orientation_factory->SetOrientation(kTestOrientations[2]); | |
| 242 provider_->AddObserver(checker_c.get()); | |
| 243 MessageLoop::current()->Run(); | |
| 244 | |
| 245 provider_->RemoveObserver(checker_b.get()); | |
| 246 provider_->RemoveObserver(checker_c.get()); | |
| 247 } | |
| 248 | |
| 249 TEST_F(DeviceOrientationProviderTest, ObserverNotRemoved) { | |
| 250 scoped_refptr<MockOrientationFactory> orientation_factory( | |
| 251 new MockOrientationFactory()); | |
| 252 Init(MockOrientationFactory::CreateDataFetcher); | |
| 253 const Orientation kTestOrientation(true, 1, true, 2, true, 3); | |
| 254 const Orientation kTestOrientation2(true, 4, true, 5, true, 6); | |
| 255 | |
| 256 scoped_ptr<UpdateChecker> checker(new UpdateChecker(&pending_expectations_)); | |
| 257 checker->AddExpectation(kTestOrientation); | |
| 258 orientation_factory->SetOrientation(kTestOrientation); | |
| 259 provider_->AddObserver(checker.get()); | |
| 260 MessageLoop::current()->Run(); | |
| 261 | |
| 262 checker->AddExpectation(kTestOrientation2); | |
| 263 orientation_factory->SetOrientation(kTestOrientation2); | |
| 264 MessageLoop::current()->Run(); | |
| 265 | |
| 266 // Note that checker is not removed. This should not be a problem. | |
| 267 } | |
| 268 | |
| 269 TEST_F(DeviceOrientationProviderTest, StartFailing) { | |
| 270 scoped_refptr<MockOrientationFactory> orientation_factory( | |
| 271 new MockOrientationFactory()); | |
| 272 Init(MockOrientationFactory::CreateDataFetcher); | |
| 273 const Orientation kTestOrientation(true, 1, true, 2, true, 3); | |
| 274 | |
| 275 scoped_ptr<UpdateChecker> checker_a(new UpdateChecker( | |
| 276 &pending_expectations_)); | |
| 277 scoped_ptr<UpdateChecker> checker_b(new UpdateChecker( | |
| 278 &pending_expectations_)); | |
| 279 | |
| 280 orientation_factory->SetOrientation(kTestOrientation); | |
| 281 checker_a->AddExpectation(kTestOrientation); | |
| 282 provider_->AddObserver(checker_a.get()); | |
| 283 MessageLoop::current()->Run(); | |
| 284 | |
| 285 checker_a->AddExpectation(Orientation::Empty()); | |
| 286 orientation_factory->SetOrientation(Orientation::Empty()); | |
| 287 MessageLoop::current()->Run(); | |
| 288 | |
| 289 checker_b->AddExpectation(Orientation::Empty()); | |
| 290 provider_->AddObserver(checker_b.get()); | |
| 291 MessageLoop::current()->Run(); | |
| 292 | |
| 293 provider_->RemoveObserver(checker_a.get()); | |
| 294 provider_->RemoveObserver(checker_b.get()); | |
| 295 } | |
| 296 | |
| 297 TEST_F(DeviceOrientationProviderTest, StartStopStart) { | |
| 298 scoped_refptr<MockOrientationFactory> orientation_factory( | |
| 299 new MockOrientationFactory()); | |
| 300 Init(MockOrientationFactory::CreateDataFetcher); | |
| 301 const Orientation kTestOrientation(true, 1, true, 2, true, 3); | |
| 302 const Orientation kTestOrientation2(true, 4, true, 5, true, 6); | |
| 303 | |
| 304 scoped_ptr<UpdateChecker> checker_a(new UpdateChecker( | |
| 305 &pending_expectations_)); | |
| 306 scoped_ptr<UpdateChecker> checker_b(new UpdateChecker( | |
| 307 &pending_expectations_)); | |
| 308 | |
| 309 checker_a->AddExpectation(kTestOrientation); | |
| 310 orientation_factory->SetOrientation(kTestOrientation); | |
| 311 provider_->AddObserver(checker_a.get()); | |
| 312 MessageLoop::current()->Run(); | |
| 313 | |
| 314 provider_->RemoveObserver(checker_a.get()); // This stops the Provider. | |
| 315 | |
| 316 checker_b->AddExpectation(kTestOrientation2); | |
| 317 orientation_factory->SetOrientation(kTestOrientation2); | |
| 318 provider_->AddObserver(checker_b.get()); | |
| 319 MessageLoop::current()->Run(); | |
| 320 | |
| 321 provider_->RemoveObserver(checker_b.get()); | |
| 322 } | |
| 323 | |
| 324 TEST_F(DeviceOrientationProviderTest, SignificantlyDifferent) { | |
| 325 scoped_refptr<MockOrientationFactory> orientation_factory( | |
| 326 new MockOrientationFactory()); | |
| 327 Init(MockOrientationFactory::CreateDataFetcher); | |
| 328 | |
| 329 // Values that should be well below or above the implementation's | |
| 330 // significane threshold. | |
| 331 const double kInsignificantDifference = 1e-6; | |
| 332 const double kSignificantDifference = 30; | |
| 333 const double kAlpha = 4, kBeta = 5, kGamma = 6; | |
| 334 | |
| 335 const Orientation first_orientation(true, kAlpha, true, kBeta, true, kGamma); | |
| 336 | |
| 337 const Orientation second_orientation(true, kAlpha + kInsignificantDifference, | |
| 338 true, kBeta + kInsignificantDifference, | |
| 339 true, kGamma + kInsignificantDifference); | |
| 340 | |
| 341 const Orientation third_orientation(true, kAlpha + kSignificantDifference, | |
| 342 true, kBeta + kSignificantDifference, | |
| 343 true, kGamma + kSignificantDifference); | |
| 344 | |
| 345 scoped_ptr<UpdateChecker> checker_a(new UpdateChecker( | |
| 346 &pending_expectations_)); | |
| 347 scoped_ptr<UpdateChecker> checker_b(new UpdateChecker( | |
| 348 &pending_expectations_)); | |
| 349 | |
| 350 | |
| 351 orientation_factory->SetOrientation(first_orientation); | |
| 352 checker_a->AddExpectation(first_orientation); | |
| 353 provider_->AddObserver(checker_a.get()); | |
| 354 MessageLoop::current()->Run(); | |
| 355 | |
| 356 // The observers should not see this insignificantly different orientation. | |
| 357 orientation_factory->SetOrientation(second_orientation); | |
| 358 checker_b->AddExpectation(first_orientation); | |
| 359 provider_->AddObserver(checker_b.get()); | |
| 360 MessageLoop::current()->Run(); | |
| 361 | |
| 362 orientation_factory->SetOrientation(third_orientation); | |
| 363 checker_a->AddExpectation(third_orientation); | |
| 364 checker_b->AddExpectation(third_orientation); | |
| 365 MessageLoop::current()->Run(); | |
| 366 | |
| 367 provider_->RemoveObserver(checker_a.get()); | |
| 368 provider_->RemoveObserver(checker_b.get()); | |
| 369 } | |
| 370 | |
| 371 } // namespace | |
| 372 | |
| 373 } // namespace device_orientation | |
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Chromium Code Reviews
Issue 6586001:
Move appcache/file_sytem/device_orientation subdirectories of chrome\browser ... (Closed)
Base URL: svn://chrome-svn/chrome/trunk/src/