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| 1 // Copyright 2013 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 <stdint.h> | |
| 6 | |
| 7 #include <algorithm> | |
| 8 #include <string> | |
| 9 | |
| 10 #include "base/bind.h" | |
| 11 #include "base/format_macros.h" | |
| 12 #include "base/macros.h" | |
| 13 #include "base/message_loop/message_loop.h" | |
| 14 #include "base/run_loop.h" | |
| 15 #include "base/strings/stringprintf.h" | |
| 16 #include "media/base/media_log.h" | |
| 17 #include "media/base/seekable_buffer.h" | |
| 18 #include "media/blink/buffered_resource_loader.h" | |
| 19 #include "media/blink/mock_webframeclient.h" | |
| 20 #include "media/blink/mock_weburlloader.h" | |
| 21 #include "net/base/net_errors.h" | |
| 22 #include "net/http/http_request_headers.h" | |
| 23 #include "net/http/http_util.h" | |
| 24 #include "third_party/WebKit/public/platform/WebString.h" | |
| 25 #include "third_party/WebKit/public/platform/WebURLError.h" | |
| 26 #include "third_party/WebKit/public/platform/WebURLRequest.h" | |
| 27 #include "third_party/WebKit/public/platform/WebURLResponse.h" | |
| 28 #include "third_party/WebKit/public/web/WebLocalFrame.h" | |
| 29 #include "third_party/WebKit/public/web/WebView.h" | |
| 30 | |
| 31 using ::testing::_; | |
| 32 using ::testing::InSequence; | |
| 33 using ::testing::Return; | |
| 34 using ::testing::Truly; | |
| 35 using ::testing::NiceMock; | |
| 36 | |
| 37 using blink::WebLocalFrame; | |
| 38 using blink::WebString; | |
| 39 using blink::WebURLError; | |
| 40 using blink::WebURLResponse; | |
| 41 using blink::WebView; | |
| 42 | |
| 43 namespace media { | |
| 44 | |
| 45 static const char* kHttpUrl = "http://test"; | |
| 46 static const char kHttpRedirectToSameDomainUrl1[] = "http://test/ing"; | |
| 47 static const char kHttpRedirectToSameDomainUrl2[] = "http://test/ing2"; | |
| 48 static const char kHttpRedirectToDifferentDomainUrl1[] = "http://test2"; | |
| 49 | |
| 50 static const int kDataSize = 1024; | |
| 51 static const int kHttpOK = 200; | |
| 52 static const int kHttpPartialContent = 206; | |
| 53 | |
| 54 enum NetworkState { | |
| 55 NONE, | |
| 56 LOADED, | |
| 57 LOADING | |
| 58 }; | |
| 59 | |
| 60 // Predicate that tests that request disallows compressed data. | |
| 61 static bool CorrectAcceptEncoding(const blink::WebURLRequest &request) { | |
| 62 std::string value = request.httpHeaderField( | |
| 63 WebString::fromUTF8(net::HttpRequestHeaders::kAcceptEncoding)).utf8(); | |
| 64 return (value.find("identity;q=1") != std::string::npos) && | |
| 65 (value.find("*;q=0") != std::string::npos); | |
| 66 } | |
| 67 | |
| 68 class BufferedResourceLoaderTest : public testing::Test { | |
| 69 public: | |
| 70 BufferedResourceLoaderTest() | |
| 71 : view_(WebView::create(nullptr, blink::WebPageVisibilityStateVisible)), | |
| 72 frame_(WebLocalFrame::create(blink::WebTreeScopeType::Document, | |
| 73 &client_)) { | |
| 74 view_->setMainFrame(frame_); | |
| 75 | |
| 76 for (int i = 0; i < kDataSize; ++i) { | |
| 77 data_[i] = i; | |
| 78 } | |
| 79 } | |
| 80 | |
| 81 virtual ~BufferedResourceLoaderTest() { | |
| 82 view_->close(); | |
| 83 frame_->close(); | |
| 84 } | |
| 85 | |
| 86 void Initialize(const char* url, int first_position, int last_position) { | |
| 87 gurl_ = GURL(url); | |
| 88 first_position_ = first_position; | |
| 89 last_position_ = last_position; | |
| 90 | |
| 91 loader_.reset(new BufferedResourceLoader( | |
| 92 gurl_, BufferedResourceLoader::kUnspecified, | |
| 93 first_position_, last_position_, | |
| 94 BufferedResourceLoader::kCapacityDefer, 0, 0, | |
| 95 new MediaLog())); | |
| 96 | |
| 97 // |test_loader_| will be used when Start() is called. | |
| 98 url_loader_ = new NiceMock<MockWebURLLoader>(); | |
| 99 loader_->test_loader_ = std::unique_ptr<blink::WebURLLoader>(url_loader_); | |
| 100 } | |
| 101 | |
| 102 void SetLoaderBuffer(int forward_capacity, int backward_capacity) { | |
| 103 loader_->buffer_.set_forward_capacity(forward_capacity); | |
| 104 loader_->buffer_.set_backward_capacity(backward_capacity); | |
| 105 loader_->buffer_.Clear(); | |
| 106 } | |
| 107 | |
| 108 void Start() { | |
| 109 InSequence s; | |
| 110 EXPECT_CALL(*url_loader_, loadAsynchronously(Truly(CorrectAcceptEncoding), | |
| 111 loader_.get())); | |
| 112 | |
| 113 EXPECT_CALL(*this, LoadingCallback(BufferedResourceLoader::kLoading)); | |
| 114 loader_->Start( | |
| 115 base::Bind(&BufferedResourceLoaderTest::StartCallback, | |
| 116 base::Unretained(this)), | |
| 117 base::Bind(&BufferedResourceLoaderTest::LoadingCallback, | |
| 118 base::Unretained(this)), | |
| 119 base::Bind(&BufferedResourceLoaderTest::ProgressCallback, | |
| 120 base::Unretained(this)), | |
| 121 view_->mainFrame()); | |
| 122 } | |
| 123 | |
| 124 void FullResponse(int64_t instance_size) { | |
| 125 FullResponse(instance_size, BufferedResourceLoader::kOk); | |
| 126 } | |
| 127 | |
| 128 void FullResponse(int64_t instance_size, | |
| 129 BufferedResourceLoader::Status status) { | |
| 130 EXPECT_CALL(*this, StartCallback(status)); | |
| 131 | |
| 132 WebURLResponse response(gurl_); | |
| 133 response.setHTTPHeaderField(WebString::fromUTF8("Content-Length"), | |
| 134 WebString::fromUTF8(base::StringPrintf("%" | |
| 135 PRId64, instance_size))); | |
| 136 response.setExpectedContentLength(instance_size); | |
| 137 response.setHTTPStatusCode(kHttpOK); | |
| 138 loader_->didReceiveResponse(url_loader_, response); | |
| 139 | |
| 140 if (status == BufferedResourceLoader::kOk) { | |
| 141 EXPECT_EQ(instance_size, loader_->content_length()); | |
| 142 EXPECT_EQ(instance_size, loader_->instance_size()); | |
| 143 } | |
| 144 | |
| 145 EXPECT_FALSE(loader_->range_supported()); | |
| 146 } | |
| 147 | |
| 148 void PartialResponse(int64_t first_position, | |
| 149 int64_t last_position, | |
| 150 int64_t instance_size) { | |
| 151 PartialResponse(first_position, last_position, instance_size, false, true); | |
| 152 } | |
| 153 | |
| 154 void PartialResponse(int64_t first_position, | |
| 155 int64_t last_position, | |
| 156 int64_t instance_size, | |
| 157 bool chunked, | |
| 158 bool accept_ranges) { | |
| 159 EXPECT_CALL(*this, StartCallback(BufferedResourceLoader::kOk)); | |
| 160 | |
| 161 WebURLResponse response(gurl_); | |
| 162 response.setHTTPHeaderField(WebString::fromUTF8("Content-Range"), | |
| 163 WebString::fromUTF8(base::StringPrintf("bytes " | |
| 164 "%" PRId64 "-%" PRId64 "/%" PRId64, | |
| 165 first_position, | |
| 166 last_position, | |
| 167 instance_size))); | |
| 168 | |
| 169 // HTTP 1.1 doesn't permit Content-Length with Transfer-Encoding: chunked. | |
| 170 int64_t content_length = -1; | |
| 171 if (chunked) { | |
| 172 response.setHTTPHeaderField(WebString::fromUTF8("Transfer-Encoding"), | |
| 173 WebString::fromUTF8("chunked")); | |
| 174 } else { | |
| 175 content_length = last_position - first_position + 1; | |
| 176 } | |
| 177 response.setExpectedContentLength(content_length); | |
| 178 | |
| 179 // A server isn't required to return Accept-Ranges even though it might. | |
| 180 if (accept_ranges) { | |
| 181 response.setHTTPHeaderField(WebString::fromUTF8("Accept-Ranges"), | |
| 182 WebString::fromUTF8("bytes")); | |
| 183 } | |
| 184 | |
| 185 response.setHTTPStatusCode(kHttpPartialContent); | |
| 186 loader_->didReceiveResponse(url_loader_, response); | |
| 187 | |
| 188 // XXX: what's the difference between these two? For example in the chunked | |
| 189 // range request case, Content-Length is unspecified (because it's chunked) | |
| 190 // but Content-Range: a-b/c can be returned, where c == Content-Length | |
| 191 // | |
| 192 // Can we eliminate one? | |
| 193 EXPECT_EQ(content_length, loader_->content_length()); | |
| 194 EXPECT_EQ(instance_size, loader_->instance_size()); | |
| 195 | |
| 196 // A valid partial response should always result in this being true. | |
| 197 EXPECT_TRUE(loader_->range_supported()); | |
| 198 } | |
| 199 | |
| 200 void Redirect(const char* url) { | |
| 201 GURL redirectUrl(url); | |
| 202 blink::WebURLRequest newRequest(redirectUrl); | |
| 203 blink::WebURLResponse redirectResponse(gurl_); | |
| 204 | |
| 205 loader_->willFollowRedirect(url_loader_, newRequest, redirectResponse, 0); | |
| 206 | |
| 207 base::RunLoop().RunUntilIdle(); | |
| 208 } | |
| 209 | |
| 210 void StopWhenLoad() { | |
| 211 InSequence s; | |
| 212 EXPECT_CALL(*url_loader_, cancel()); | |
| 213 loader_->Stop(); | |
| 214 loader_.reset(); | |
| 215 } | |
| 216 | |
| 217 // Helper method to write to |loader_| from |data_|. | |
| 218 void WriteLoader(int position, int size) { | |
| 219 EXPECT_CALL(*this, ProgressCallback(position + size - 1)); | |
| 220 loader_->didReceiveData(url_loader_, | |
| 221 reinterpret_cast<char*>(data_ + position), size, | |
| 222 size, size); | |
| 223 } | |
| 224 | |
| 225 void WriteData(int size) { | |
| 226 EXPECT_CALL(*this, ProgressCallback(_)); | |
| 227 | |
| 228 std::unique_ptr<char[]> data(new char[size]); | |
| 229 loader_->didReceiveData(url_loader_, data.get(), size, size, size); | |
| 230 } | |
| 231 | |
| 232 void WriteUntilThreshold() { | |
| 233 int buffered = loader_->buffer_.forward_bytes(); | |
| 234 int capacity = loader_->buffer_.forward_capacity(); | |
| 235 CHECK_LT(buffered, capacity); | |
| 236 | |
| 237 EXPECT_CALL(*this, LoadingCallback( | |
| 238 BufferedResourceLoader::kLoadingDeferred)); | |
| 239 WriteData(capacity - buffered); | |
| 240 } | |
| 241 | |
| 242 // Helper method to read from |loader_|. | |
| 243 void ReadLoader(int64_t position, int size, uint8_t* buffer) { | |
| 244 loader_->Read(position, size, buffer, | |
| 245 base::Bind(&BufferedResourceLoaderTest::ReadCallback, | |
| 246 base::Unretained(this))); | |
| 247 } | |
| 248 | |
| 249 // Verifies that data in buffer[0...size] is equal to data_[pos...pos+size]. | |
| 250 void VerifyBuffer(uint8_t* buffer, int pos, int size) { | |
| 251 EXPECT_EQ(0, memcmp(buffer, data_ + pos, size)); | |
| 252 } | |
| 253 | |
| 254 void ConfirmLoaderOffsets(int64_t expected_offset, | |
| 255 int expected_first_offset, | |
| 256 int expected_last_offset) { | |
| 257 EXPECT_EQ(loader_->offset_, expected_offset); | |
| 258 EXPECT_EQ(loader_->first_offset_, expected_first_offset); | |
| 259 EXPECT_EQ(loader_->last_offset_, expected_last_offset); | |
| 260 } | |
| 261 | |
| 262 void ConfirmBufferState(int backward_bytes, | |
| 263 int backward_capacity, | |
| 264 int forward_bytes, | |
| 265 int forward_capacity) { | |
| 266 EXPECT_EQ(backward_bytes, loader_->buffer_.backward_bytes()); | |
| 267 EXPECT_EQ(backward_capacity, loader_->buffer_.backward_capacity()); | |
| 268 EXPECT_EQ(forward_bytes, loader_->buffer_.forward_bytes()); | |
| 269 EXPECT_EQ(forward_capacity, loader_->buffer_.forward_capacity()); | |
| 270 EXPECT_EQ(backward_bytes + forward_bytes, loader_->GetMemoryUsage()); | |
| 271 } | |
| 272 | |
| 273 void ConfirmLoaderBufferBackwardCapacity(int expected_backward_capacity) { | |
| 274 EXPECT_EQ(loader_->buffer_.backward_capacity(), | |
| 275 expected_backward_capacity); | |
| 276 } | |
| 277 | |
| 278 void ConfirmLoaderBufferForwardCapacity(int expected_forward_capacity) { | |
| 279 EXPECT_EQ(loader_->buffer_.forward_capacity(), expected_forward_capacity); | |
| 280 } | |
| 281 | |
| 282 // Makes sure the |loader_| buffer window is in a reasonable range. | |
| 283 void CheckBufferWindowBounds() { | |
| 284 // Corresponds to value defined in buffered_resource_loader.cc. | |
| 285 static const int kMinBufferCapacity = 2 * 1024 * 1024; | |
| 286 EXPECT_GE(loader_->buffer_.forward_capacity(), kMinBufferCapacity); | |
| 287 EXPECT_GE(loader_->buffer_.backward_capacity(), kMinBufferCapacity); | |
| 288 | |
| 289 // Corresponds to value defined in buffered_resource_loader.cc. | |
| 290 static const int kMaxBufferCapacity = 20 * 1024 * 1024; | |
| 291 EXPECT_LE(loader_->buffer_.forward_capacity(), kMaxBufferCapacity); | |
| 292 EXPECT_LE(loader_->buffer_.backward_capacity(), kMaxBufferCapacity); | |
| 293 } | |
| 294 | |
| 295 bool HasActiveLoader() { return !!loader_->active_loader_; } | |
| 296 | |
| 297 MOCK_METHOD1(StartCallback, void(BufferedResourceLoader::Status)); | |
| 298 MOCK_METHOD2(ReadCallback, void(BufferedResourceLoader::Status, int)); | |
| 299 MOCK_METHOD1(LoadingCallback, void(BufferedResourceLoader::LoadingState)); | |
| 300 MOCK_METHOD1(ProgressCallback, void(int64_t)); | |
| 301 | |
| 302 protected: | |
| 303 GURL gurl_; | |
| 304 int64_t first_position_; | |
| 305 int64_t last_position_; | |
| 306 | |
| 307 std::unique_ptr<BufferedResourceLoader> loader_; | |
| 308 NiceMock<MockWebURLLoader>* url_loader_; | |
| 309 | |
| 310 MockWebFrameClient client_; | |
| 311 WebView* view_; | |
| 312 WebLocalFrame* frame_; | |
| 313 | |
| 314 base::MessageLoop message_loop_; | |
| 315 | |
| 316 uint8_t data_[kDataSize]; | |
| 317 | |
| 318 private: | |
| 319 DISALLOW_COPY_AND_ASSIGN(BufferedResourceLoaderTest); | |
| 320 }; | |
| 321 | |
| 322 TEST_F(BufferedResourceLoaderTest, StartStop) { | |
| 323 Initialize(kHttpUrl, -1, -1); | |
| 324 Start(); | |
| 325 StopWhenLoad(); | |
| 326 } | |
| 327 | |
| 328 // Tests that a bad HTTP response is recived, e.g. file not found. | |
| 329 TEST_F(BufferedResourceLoaderTest, BadHttpResponse) { | |
| 330 Initialize(kHttpUrl, -1, -1); | |
| 331 Start(); | |
| 332 | |
| 333 EXPECT_CALL(*this, StartCallback(BufferedResourceLoader::kFailed)); | |
| 334 | |
| 335 WebURLResponse response(gurl_); | |
| 336 response.setHTTPStatusCode(404); | |
| 337 response.setHTTPStatusText("Not Found\n"); | |
| 338 loader_->didReceiveResponse(url_loader_, response); | |
| 339 StopWhenLoad(); | |
| 340 } | |
| 341 | |
| 342 // Tests that partial content is requested but not fulfilled. | |
| 343 TEST_F(BufferedResourceLoaderTest, NotPartialResponse) { | |
| 344 Initialize(kHttpUrl, 100, -1); | |
| 345 Start(); | |
| 346 FullResponse(1024, BufferedResourceLoader::kFailed); | |
| 347 StopWhenLoad(); | |
| 348 } | |
| 349 | |
| 350 // Tests that a 200 response is received. | |
| 351 TEST_F(BufferedResourceLoaderTest, FullResponse) { | |
| 352 Initialize(kHttpUrl, -1, -1); | |
| 353 Start(); | |
| 354 FullResponse(1024); | |
| 355 StopWhenLoad(); | |
| 356 } | |
| 357 | |
| 358 // Tests that a partial content response is received. | |
| 359 TEST_F(BufferedResourceLoaderTest, PartialResponse) { | |
| 360 Initialize(kHttpUrl, 100, 200); | |
| 361 Start(); | |
| 362 PartialResponse(100, 200, 1024); | |
| 363 StopWhenLoad(); | |
| 364 } | |
| 365 | |
| 366 TEST_F(BufferedResourceLoaderTest, PartialResponse_Chunked) { | |
| 367 Initialize(kHttpUrl, 100, 200); | |
| 368 Start(); | |
| 369 PartialResponse(100, 200, 1024, true, true); | |
| 370 StopWhenLoad(); | |
| 371 } | |
| 372 | |
| 373 TEST_F(BufferedResourceLoaderTest, PartialResponse_NoAcceptRanges) { | |
| 374 Initialize(kHttpUrl, 100, 200); | |
| 375 Start(); | |
| 376 PartialResponse(100, 200, 1024, false, false); | |
| 377 StopWhenLoad(); | |
| 378 } | |
| 379 | |
| 380 TEST_F(BufferedResourceLoaderTest, PartialResponse_ChunkedNoAcceptRanges) { | |
| 381 Initialize(kHttpUrl, 100, 200); | |
| 382 Start(); | |
| 383 PartialResponse(100, 200, 1024, true, false); | |
| 384 StopWhenLoad(); | |
| 385 } | |
| 386 | |
| 387 // Tests that an invalid partial response is received. | |
| 388 TEST_F(BufferedResourceLoaderTest, InvalidPartialResponse) { | |
| 389 Initialize(kHttpUrl, 0, 10); | |
| 390 Start(); | |
| 391 | |
| 392 EXPECT_CALL(*this, StartCallback(BufferedResourceLoader::kFailed)); | |
| 393 | |
| 394 WebURLResponse response(gurl_); | |
| 395 response.setHTTPHeaderField(WebString::fromUTF8("Content-Range"), | |
| 396 WebString::fromUTF8(base::StringPrintf("bytes " | |
| 397 "%d-%d/%d", 1, 10, 1024))); | |
| 398 response.setExpectedContentLength(10); | |
| 399 response.setHTTPStatusCode(kHttpPartialContent); | |
| 400 loader_->didReceiveResponse(url_loader_, response); | |
| 401 StopWhenLoad(); | |
| 402 } | |
| 403 | |
| 404 // Tests the logic of sliding window for data buffering and reading. | |
| 405 TEST_F(BufferedResourceLoaderTest, BufferAndRead) { | |
| 406 Initialize(kHttpUrl, 10, 29); | |
| 407 loader_->UpdateDeferStrategy(BufferedResourceLoader::kCapacityDefer); | |
| 408 Start(); | |
| 409 PartialResponse(10, 29, 30); | |
| 410 | |
| 411 uint8_t buffer[10]; | |
| 412 InSequence s; | |
| 413 | |
| 414 // Writes 10 bytes and read them back. | |
| 415 WriteLoader(10, 10); | |
| 416 EXPECT_CALL(*this, ReadCallback(BufferedResourceLoader::kOk, 10)); | |
| 417 ReadLoader(10, 10, buffer); | |
| 418 VerifyBuffer(buffer, 10, 10); | |
| 419 | |
| 420 // Writes 10 bytes and read 2 times. | |
| 421 WriteLoader(20, 10); | |
| 422 EXPECT_CALL(*this, ReadCallback(BufferedResourceLoader::kOk, 5)); | |
| 423 ReadLoader(20, 5, buffer); | |
| 424 VerifyBuffer(buffer, 20, 5); | |
| 425 EXPECT_CALL(*this, ReadCallback(BufferedResourceLoader::kOk, 5)); | |
| 426 ReadLoader(25, 5, buffer); | |
| 427 VerifyBuffer(buffer, 25, 5); | |
| 428 | |
| 429 // Read backward within buffer. | |
| 430 EXPECT_CALL(*this, ReadCallback(BufferedResourceLoader::kOk, 10)); | |
| 431 ReadLoader(10, 10, buffer); | |
| 432 VerifyBuffer(buffer, 10, 10); | |
| 433 | |
| 434 // Read backward outside buffer. | |
| 435 EXPECT_CALL(*this, ReadCallback(BufferedResourceLoader::kCacheMiss, 0)); | |
| 436 ReadLoader(9, 10, buffer); | |
| 437 | |
| 438 // Response has completed. | |
| 439 EXPECT_CALL(*this, LoadingCallback(BufferedResourceLoader::kLoadingFinished)); | |
| 440 loader_->didFinishLoading(url_loader_, 0, -1); | |
| 441 | |
| 442 // Try to read 10 from position 25 will just return with 5 bytes. | |
| 443 EXPECT_CALL(*this, ReadCallback(BufferedResourceLoader::kOk, 5)); | |
| 444 ReadLoader(25, 10, buffer); | |
| 445 VerifyBuffer(buffer, 25, 5); | |
| 446 | |
| 447 // Try to read outside buffered range after request has completed. | |
| 448 EXPECT_CALL(*this, ReadCallback(BufferedResourceLoader::kCacheMiss, 0)); | |
| 449 ReadLoader(5, 10, buffer); | |
| 450 | |
| 451 // Try to read beyond the instance size. | |
| 452 EXPECT_CALL(*this, ReadCallback(BufferedResourceLoader::kOk, 0)); | |
| 453 ReadLoader(30, 10, buffer); | |
| 454 } | |
| 455 | |
| 456 // Tests the logic of expanding the data buffer for large reads. | |
| 457 TEST_F(BufferedResourceLoaderTest, ReadExtendBuffer) { | |
| 458 Initialize(kHttpUrl, 10, 0x014FFFFFF); | |
| 459 SetLoaderBuffer(10, 20); | |
| 460 Start(); | |
| 461 PartialResponse(10, 0x014FFFFFF, 0x015000000); | |
| 462 | |
| 463 uint8_t buffer[20]; | |
| 464 InSequence s; | |
| 465 | |
| 466 // Write more than forward capacity and read it back. Ensure forward capacity | |
| 467 // gets reset after reading. | |
| 468 EXPECT_CALL(*this, LoadingCallback(BufferedResourceLoader::kLoadingDeferred)); | |
| 469 WriteLoader(10, 20); | |
| 470 | |
| 471 EXPECT_CALL(*this, ReadCallback(BufferedResourceLoader::kOk, 20)); | |
| 472 EXPECT_CALL(*this, LoadingCallback(BufferedResourceLoader::kLoading)); | |
| 473 ReadLoader(10, 20, buffer); | |
| 474 | |
| 475 VerifyBuffer(buffer, 10, 20); | |
| 476 ConfirmLoaderBufferForwardCapacity(10); | |
| 477 | |
| 478 // Make and outstanding read request larger than forward capacity. Ensure | |
| 479 // forward capacity gets extended. | |
| 480 ReadLoader(30, 20, buffer); | |
| 481 ConfirmLoaderBufferForwardCapacity(20); | |
| 482 | |
| 483 // Fulfill outstanding request. Ensure forward capacity gets reset. | |
| 484 EXPECT_CALL(*this, ReadCallback(BufferedResourceLoader::kOk, 20)); | |
| 485 WriteLoader(30, 20); | |
| 486 | |
| 487 VerifyBuffer(buffer, 30, 20); | |
| 488 ConfirmLoaderBufferForwardCapacity(10); | |
| 489 | |
| 490 // Try to read further ahead than kForwardWaitThreshold allows. Ensure | |
| 491 // forward capacity is not changed. | |
| 492 EXPECT_CALL(*this, ReadCallback(BufferedResourceLoader::kCacheMiss, 0)); | |
| 493 ReadLoader(0x00300000, 1, buffer); | |
| 494 | |
| 495 ConfirmLoaderBufferForwardCapacity(10); | |
| 496 | |
| 497 // Try to read more than maximum forward capacity. Ensure forward capacity is | |
| 498 // not changed. | |
| 499 EXPECT_CALL(*this, ReadCallback(BufferedResourceLoader::kFailed, 0)); | |
| 500 ReadLoader(30, 0x01400001, buffer); | |
| 501 | |
| 502 ConfirmLoaderBufferForwardCapacity(10); | |
| 503 | |
| 504 StopWhenLoad(); | |
| 505 } | |
| 506 | |
| 507 TEST_F(BufferedResourceLoaderTest, ReadOutsideBuffer) { | |
| 508 Initialize(kHttpUrl, 10, 0x00FFFFFF); | |
| 509 Start(); | |
| 510 PartialResponse(10, 0x00FFFFFF, 0x01000000); | |
| 511 | |
| 512 uint8_t buffer[10]; | |
| 513 InSequence s; | |
| 514 | |
| 515 // Read very far ahead will get a cache miss. | |
| 516 EXPECT_CALL(*this, ReadCallback(BufferedResourceLoader::kCacheMiss, 0)); | |
| 517 ReadLoader(0x00FFFFFF, 1, buffer); | |
| 518 | |
| 519 // The following call will not call ReadCallback() because it is waiting for | |
| 520 // data to arrive. | |
| 521 ReadLoader(10, 10, buffer); | |
| 522 | |
| 523 // Writing to loader will fulfill the read request. | |
| 524 EXPECT_CALL(*this, ReadCallback(BufferedResourceLoader::kOk, 10)); | |
| 525 WriteLoader(10, 20); | |
| 526 VerifyBuffer(buffer, 10, 10); | |
| 527 | |
| 528 // The following call cannot be fulfilled now. | |
| 529 ReadLoader(25, 10, buffer); | |
| 530 | |
| 531 EXPECT_CALL(*this, LoadingCallback(BufferedResourceLoader::kLoadingFinished)); | |
| 532 EXPECT_CALL(*this, ReadCallback(BufferedResourceLoader::kOk, 5)); | |
| 533 loader_->didFinishLoading(url_loader_, 0, -1); | |
| 534 } | |
| 535 | |
| 536 TEST_F(BufferedResourceLoaderTest, RequestFailedWhenRead) { | |
| 537 Initialize(kHttpUrl, 10, 29); | |
| 538 Start(); | |
| 539 PartialResponse(10, 29, 30); | |
| 540 | |
| 541 uint8_t buffer[10]; | |
| 542 InSequence s; | |
| 543 | |
| 544 // We should convert any error we receive to BufferedResourceLoader::kFailed. | |
| 545 ReadLoader(10, 10, buffer); | |
| 546 EXPECT_CALL(*this, LoadingCallback(BufferedResourceLoader::kLoadingFailed)); | |
| 547 EXPECT_CALL(*this, ReadCallback(BufferedResourceLoader::kFailed, 0)); | |
| 548 WebURLError error; | |
| 549 error.reason = net::ERR_TIMED_OUT; | |
| 550 error.isCancellation = false; | |
| 551 loader_->didFail(url_loader_, error); | |
| 552 } | |
| 553 | |
| 554 TEST_F(BufferedResourceLoaderTest, RequestFailedWithNoPendingReads) { | |
| 555 Initialize(kHttpUrl, 10, 29); | |
| 556 Start(); | |
| 557 PartialResponse(10, 29, 30); | |
| 558 | |
| 559 uint8_t buffer[10]; | |
| 560 InSequence s; | |
| 561 | |
| 562 // Write enough data so that a read would technically complete had the request | |
| 563 // not failed. | |
| 564 WriteLoader(10, 20); | |
| 565 | |
| 566 // Fail without a pending read. | |
| 567 WebURLError error; | |
| 568 error.reason = net::ERR_TIMED_OUT; | |
| 569 error.isCancellation = false; | |
| 570 EXPECT_CALL(*this, LoadingCallback(BufferedResourceLoader::kLoadingFailed)); | |
| 571 loader_->didFail(url_loader_, error); | |
| 572 | |
| 573 // Now we should immediately fail any read even if we have data buffered. | |
| 574 EXPECT_CALL(*this, ReadCallback(BufferedResourceLoader::kFailed, 0)); | |
| 575 ReadLoader(10, 10, buffer); | |
| 576 } | |
| 577 | |
| 578 TEST_F(BufferedResourceLoaderTest, RequestCancelledWhenRead) { | |
| 579 Initialize(kHttpUrl, 10, 29); | |
| 580 Start(); | |
| 581 PartialResponse(10, 29, 30); | |
| 582 | |
| 583 uint8_t buffer[10]; | |
| 584 InSequence s; | |
| 585 | |
| 586 // We should convert any error we receive to BufferedResourceLoader::kFailed. | |
| 587 ReadLoader(10, 10, buffer); | |
| 588 EXPECT_CALL(*this, LoadingCallback(BufferedResourceLoader::kLoadingFailed)); | |
| 589 EXPECT_CALL(*this, ReadCallback(BufferedResourceLoader::kFailed, 0)); | |
| 590 WebURLError error; | |
| 591 error.reason = 0; | |
| 592 error.isCancellation = true; | |
| 593 loader_->didFail(url_loader_, error); | |
| 594 } | |
| 595 | |
| 596 // Tests the data buffering logic of NeverDefer strategy. | |
| 597 TEST_F(BufferedResourceLoaderTest, NeverDeferStrategy) { | |
| 598 Initialize(kHttpUrl, 10, 99); | |
| 599 SetLoaderBuffer(10, 20); | |
| 600 loader_->UpdateDeferStrategy(BufferedResourceLoader::kNeverDefer); | |
| 601 Start(); | |
| 602 PartialResponse(10, 99, 100); | |
| 603 | |
| 604 uint8_t buffer[10]; | |
| 605 | |
| 606 // Read past the buffer size; should not defer regardless. | |
| 607 WriteLoader(10, 10); | |
| 608 WriteLoader(20, 50); | |
| 609 | |
| 610 // Should move past window. | |
| 611 EXPECT_CALL(*this, ReadCallback(BufferedResourceLoader::kCacheMiss, 0)); | |
| 612 ReadLoader(10, 10, buffer); | |
| 613 | |
| 614 StopWhenLoad(); | |
| 615 } | |
| 616 | |
| 617 // Tests the data buffering logic of ReadThenDefer strategy. | |
| 618 TEST_F(BufferedResourceLoaderTest, ReadThenDeferStrategy) { | |
| 619 Initialize(kHttpUrl, 10, 99); | |
| 620 SetLoaderBuffer(10, 20); | |
| 621 loader_->UpdateDeferStrategy(BufferedResourceLoader::kReadThenDefer); | |
| 622 Start(); | |
| 623 PartialResponse(10, 99, 100); | |
| 624 | |
| 625 uint8_t buffer[10]; | |
| 626 | |
| 627 // Make an outstanding read request. | |
| 628 ReadLoader(10, 10, buffer); | |
| 629 | |
| 630 // Receive almost enough data to cover, shouldn't defer. | |
| 631 WriteLoader(10, 9); | |
| 632 | |
| 633 // As soon as we have received enough data to fulfill the read, defer. | |
| 634 EXPECT_CALL(*this, LoadingCallback(BufferedResourceLoader::kLoadingDeferred)); | |
| 635 EXPECT_CALL(*this, ReadCallback(BufferedResourceLoader::kOk, 10)); | |
| 636 WriteLoader(19, 1); | |
| 637 | |
| 638 VerifyBuffer(buffer, 10, 10); | |
| 639 | |
| 640 // Read again which should disable deferring since there should be nothing | |
| 641 // left in our internal buffer. | |
| 642 EXPECT_CALL(*this, LoadingCallback(BufferedResourceLoader::kLoading)); | |
| 643 ReadLoader(20, 10, buffer); | |
| 644 | |
| 645 // Over-fulfill requested bytes, then deferring should be enabled again. | |
| 646 EXPECT_CALL(*this, LoadingCallback(BufferedResourceLoader::kLoadingDeferred)); | |
| 647 EXPECT_CALL(*this, ReadCallback(BufferedResourceLoader::kOk, 10)); | |
| 648 WriteLoader(20, 40); | |
| 649 | |
| 650 VerifyBuffer(buffer, 20, 10); | |
| 651 | |
| 652 // Read far ahead, which should disable deferring. In this case we still have | |
| 653 // bytes in our internal buffer. | |
| 654 EXPECT_CALL(*this, LoadingCallback(BufferedResourceLoader::kLoading)); | |
| 655 ReadLoader(80, 10, buffer); | |
| 656 | |
| 657 // Fulfill requested bytes, then deferring should be enabled again. | |
| 658 EXPECT_CALL(*this, LoadingCallback(BufferedResourceLoader::kLoadingDeferred)); | |
| 659 EXPECT_CALL(*this, ReadCallback(BufferedResourceLoader::kOk, 10)); | |
| 660 WriteLoader(60, 40); | |
| 661 | |
| 662 VerifyBuffer(buffer, 80, 10); | |
| 663 | |
| 664 StopWhenLoad(); | |
| 665 } | |
| 666 | |
| 667 // Tests the data buffering logic of kCapacityDefer strategy. | |
| 668 TEST_F(BufferedResourceLoaderTest, ThresholdDeferStrategy) { | |
| 669 Initialize(kHttpUrl, 10, 99); | |
| 670 SetLoaderBuffer(10, 20); | |
| 671 Start(); | |
| 672 PartialResponse(10, 99, 100); | |
| 673 | |
| 674 uint8_t buffer[10]; | |
| 675 InSequence s; | |
| 676 | |
| 677 // Write half of capacity: keep not deferring. | |
| 678 WriteData(5); | |
| 679 | |
| 680 // Write rest of space until capacity: start deferring. | |
| 681 EXPECT_CALL(*this, LoadingCallback(BufferedResourceLoader::kLoadingDeferred)); | |
| 682 WriteData(5); | |
| 683 | |
| 684 // Read a byte from the buffer: stop deferring. | |
| 685 EXPECT_CALL(*this, ReadCallback(BufferedResourceLoader::kOk, 1)); | |
| 686 EXPECT_CALL(*this, LoadingCallback(BufferedResourceLoader::kLoading)); | |
| 687 ReadLoader(10, 1, buffer); | |
| 688 | |
| 689 // Write a byte to hit capacity: start deferring. | |
| 690 EXPECT_CALL(*this, LoadingCallback(BufferedResourceLoader::kLoadingDeferred)); | |
| 691 WriteData(6); | |
| 692 | |
| 693 StopWhenLoad(); | |
| 694 } | |
| 695 | |
| 696 TEST_F(BufferedResourceLoaderTest, Tricky_ReadForwardsPastBuffered) { | |
| 697 Initialize(kHttpUrl, 10, 99); | |
| 698 SetLoaderBuffer(10, 10); | |
| 699 Start(); | |
| 700 PartialResponse(10, 99, 100); | |
| 701 | |
| 702 uint8_t buffer[256]; | |
| 703 InSequence s; | |
| 704 | |
| 705 // PRECONDITION | |
| 706 WriteUntilThreshold(); | |
| 707 EXPECT_CALL(*this, ReadCallback(BufferedResourceLoader::kOk, 1)); | |
| 708 EXPECT_CALL(*this, LoadingCallback(BufferedResourceLoader::kLoading)); | |
| 709 ReadLoader(10, 1, buffer); | |
| 710 ConfirmBufferState(1, 10, 9, 10); | |
| 711 ConfirmLoaderOffsets(11, 0, 0); | |
| 712 | |
| 713 // *** TRICKY BUSINESS, PT. I *** | |
| 714 // Read past buffered: stop deferring. | |
| 715 // | |
| 716 // In order for the read to complete we must: | |
| 717 // 1) Stop deferring to receive more data. | |
| 718 // | |
| 719 // BEFORE | |
| 720 // offset=11 [xxxxxxxxx_] | |
| 721 // ^ ^^^ requested 4 bytes @ offset 20 | |
| 722 // AFTER | |
| 723 // offset=24 [__________] | |
| 724 // | |
| 725 ReadLoader(20, 4, buffer); | |
| 726 | |
| 727 // Write a little, make sure we didn't start deferring. | |
| 728 WriteData(2); | |
| 729 | |
| 730 // Write the rest, read should complete. | |
| 731 EXPECT_CALL(*this, ReadCallback(BufferedResourceLoader::kOk, 4)); | |
| 732 WriteData(2); | |
| 733 | |
| 734 // POSTCONDITION | |
| 735 ConfirmBufferState(4, 10, 0, 10); | |
| 736 ConfirmLoaderOffsets(24, 0, 0); | |
| 737 | |
| 738 StopWhenLoad(); | |
| 739 } | |
| 740 | |
| 741 TEST_F(BufferedResourceLoaderTest, Tricky_ReadBackwardsPastBuffered) { | |
| 742 Initialize(kHttpUrl, 10, 99); | |
| 743 SetLoaderBuffer(10, 10); | |
| 744 Start(); | |
| 745 PartialResponse(10, 99, 100); | |
| 746 | |
| 747 uint8_t buffer[256]; | |
| 748 InSequence s; | |
| 749 | |
| 750 // PRECONDITION | |
| 751 WriteUntilThreshold(); | |
| 752 ConfirmBufferState(0, 10, 10, 10); | |
| 753 ConfirmLoaderOffsets(10, 0, 0); | |
| 754 | |
| 755 // *** TRICKY BUSINESS, PT. II *** | |
| 756 // Read backwards a little too much: cache miss. | |
| 757 // | |
| 758 // BEFORE | |
| 759 // offset=10 [__________|xxxxxxxxxx] | |
| 760 // ^ ^^^ requested 10 bytes @ offset 9 | |
| 761 // AFTER | |
| 762 // offset=10 [__________|xxxxxxxxxx] !!! cache miss !!! | |
| 763 // | |
| 764 EXPECT_CALL(*this, ReadCallback(BufferedResourceLoader::kCacheMiss, 0)); | |
| 765 ReadLoader(9, 4, buffer); | |
| 766 | |
| 767 // POSTCONDITION | |
| 768 ConfirmBufferState(0, 10, 10, 10); | |
| 769 ConfirmLoaderOffsets(10, 0, 0); | |
| 770 | |
| 771 StopWhenLoad(); | |
| 772 } | |
| 773 | |
| 774 TEST_F(BufferedResourceLoaderTest, Tricky_SmallReadWithinThreshold) { | |
| 775 Initialize(kHttpUrl, 10, 99); | |
| 776 SetLoaderBuffer(10, 10); | |
| 777 Start(); | |
| 778 PartialResponse(10, 99, 100); | |
| 779 | |
| 780 uint8_t buffer[256]; | |
| 781 InSequence s; | |
| 782 | |
| 783 // PRECONDITION | |
| 784 WriteUntilThreshold(); | |
| 785 ConfirmBufferState(0, 10, 10, 10); | |
| 786 ConfirmLoaderOffsets(10, 0, 0); | |
| 787 | |
| 788 // *** TRICKY BUSINESS, PT. III *** | |
| 789 // Read past forward capacity but within capacity: stop deferring. | |
| 790 // | |
| 791 // In order for the read to complete we must: | |
| 792 // 1) Adjust offset forward to create capacity. | |
| 793 // 2) Stop deferring to receive more data. | |
| 794 // | |
| 795 // BEFORE | |
| 796 // offset=10 [xxxxxxxxxx] | |
| 797 // ^^^^ requested 4 bytes @ offset 24 | |
| 798 // ADJUSTED OFFSET | |
| 799 // offset=20 [__________] | |
| 800 // ^^^^ requested 4 bytes @ offset 24 | |
| 801 // AFTER | |
| 802 // offset=28 [__________] | |
| 803 // | |
| 804 EXPECT_CALL(*this, LoadingCallback(BufferedResourceLoader::kLoading)); | |
| 805 ReadLoader(24, 4, buffer); | |
| 806 ConfirmLoaderOffsets(20, 4, 8); | |
| 807 | |
| 808 // Write a little, make sure we didn't start deferring. | |
| 809 WriteData(4); | |
| 810 | |
| 811 // Write the rest, read should complete. | |
| 812 EXPECT_CALL(*this, ReadCallback(BufferedResourceLoader::kOk, 4)); | |
| 813 WriteData(4); | |
| 814 | |
| 815 // POSTCONDITION | |
| 816 ConfirmBufferState(8, 10, 0, 10); | |
| 817 ConfirmLoaderOffsets(28, 0, 0); | |
| 818 | |
| 819 StopWhenLoad(); | |
| 820 } | |
| 821 | |
| 822 TEST_F(BufferedResourceLoaderTest, Tricky_LargeReadWithinThreshold) { | |
| 823 Initialize(kHttpUrl, 10, 99); | |
| 824 SetLoaderBuffer(10, 10); | |
| 825 Start(); | |
| 826 PartialResponse(10, 99, 100); | |
| 827 | |
| 828 uint8_t buffer[256]; | |
| 829 InSequence s; | |
| 830 | |
| 831 // PRECONDITION | |
| 832 WriteUntilThreshold(); | |
| 833 ConfirmBufferState(0, 10, 10, 10); | |
| 834 ConfirmLoaderOffsets(10, 0, 0); | |
| 835 | |
| 836 // *** TRICKY BUSINESS, PT. IV *** | |
| 837 // Read a large amount past forward capacity but within | |
| 838 // capacity: stop deferring. | |
| 839 // | |
| 840 // In order for the read to complete we must: | |
| 841 // 1) Adjust offset forward to create capacity. | |
| 842 // 2) Expand capacity to make sure we don't defer as data arrives. | |
| 843 // 3) Stop deferring to receive more data. | |
| 844 // | |
| 845 // BEFORE | |
| 846 // offset=10 [xxxxxxxxxx] | |
| 847 // ^^^^^^^^^^^^ requested 12 bytes @ offset 24 | |
| 848 // ADJUSTED OFFSET | |
| 849 // offset=20 [__________] | |
| 850 // ^^^^^^ ^^^^^^ requested 12 bytes @ offset 24 | |
| 851 // ADJUSTED CAPACITY | |
| 852 // offset=20 [________________] | |
| 853 // ^^^^^^^^^^^^ requested 12 bytes @ offset 24 | |
| 854 // AFTER | |
| 855 // offset=36 [__________] | |
| 856 // | |
| 857 EXPECT_CALL(*this, LoadingCallback(BufferedResourceLoader::kLoading)); | |
| 858 ReadLoader(24, 12, buffer); | |
| 859 ConfirmLoaderOffsets(20, 4, 16); | |
| 860 ConfirmBufferState(10, 10, 0, 16); | |
| 861 | |
| 862 // Write a little, make sure we didn't start deferring. | |
| 863 WriteData(10); | |
| 864 | |
| 865 // Write the rest, read should complete and capacity should go back to normal. | |
| 866 EXPECT_CALL(*this, ReadCallback(BufferedResourceLoader::kOk, 12)); | |
| 867 WriteData(6); | |
| 868 ConfirmLoaderBufferForwardCapacity(10); | |
| 869 | |
| 870 // POSTCONDITION | |
| 871 ConfirmBufferState(6, 10, 0, 10); | |
| 872 ConfirmLoaderOffsets(36, 0, 0); | |
| 873 | |
| 874 StopWhenLoad(); | |
| 875 } | |
| 876 | |
| 877 TEST_F(BufferedResourceLoaderTest, Tricky_LargeReadBackwards) { | |
| 878 Initialize(kHttpUrl, 10, 99); | |
| 879 SetLoaderBuffer(10, 10); | |
| 880 Start(); | |
| 881 PartialResponse(10, 99, 100); | |
| 882 | |
| 883 uint8_t buffer[256]; | |
| 884 InSequence s; | |
| 885 | |
| 886 // PRECONDITION | |
| 887 WriteUntilThreshold(); | |
| 888 EXPECT_CALL(*this, ReadCallback(BufferedResourceLoader::kOk, 10)); | |
| 889 EXPECT_CALL(*this, LoadingCallback(BufferedResourceLoader::kLoading)); | |
| 890 ReadLoader(10, 10, buffer); | |
| 891 WriteUntilThreshold(); | |
| 892 ConfirmBufferState(10, 10, 10, 10); | |
| 893 ConfirmLoaderOffsets(20, 0, 0); | |
| 894 | |
| 895 // *** TRICKY BUSINESS, PT. V *** | |
| 896 // Read a large amount that involves backwards data: stop deferring. | |
| 897 // | |
| 898 // In order for the read to complete we must: | |
| 899 // 1) Adjust offset *backwards* to create capacity. | |
| 900 // 2) Expand capacity to make sure we don't defer as data arrives. | |
| 901 // 3) Stop deferring to receive more data. | |
| 902 // | |
| 903 // BEFORE | |
| 904 // offset=20 [xxxxxxxxxx|xxxxxxxxxx] | |
| 905 // ^^^^ ^^^^^^^^^^ ^^^^ requested 18 bytes @ offset 16 | |
| 906 // ADJUSTED OFFSET | |
| 907 // offset=16 [____xxxxxx|xxxxxxxxxx]xxxx | |
| 908 // ^^^^^^^^^^ ^^^^^^^^ requested 18 bytes @ offset 16 | |
| 909 // ADJUSTED CAPACITY | |
| 910 // offset=16 [____xxxxxx|xxxxxxxxxxxxxx____] | |
| 911 // ^^^^^^^^^^^^^^^^^^ requested 18 bytes @ offset 16 | |
| 912 // AFTER | |
| 913 // offset=34 [xxxxxxxxxx|__________] | |
| 914 // | |
| 915 EXPECT_CALL(*this, LoadingCallback(BufferedResourceLoader::kLoading)); | |
| 916 ReadLoader(16, 18, buffer); | |
| 917 ConfirmLoaderOffsets(16, 0, 18); | |
| 918 ConfirmBufferState(6, 10, 14, 18); | |
| 919 | |
| 920 // Write a little, make sure we didn't start deferring. | |
| 921 WriteData(2); | |
| 922 | |
| 923 // Write the rest, read should complete and capacity should go back to normal. | |
| 924 EXPECT_CALL(*this, ReadCallback(BufferedResourceLoader::kOk, 18)); | |
| 925 WriteData(2); | |
| 926 ConfirmLoaderBufferForwardCapacity(10); | |
| 927 | |
| 928 // POSTCONDITION | |
| 929 ConfirmBufferState(4, 10, 0, 10); | |
| 930 ConfirmLoaderOffsets(34, 0, 0); | |
| 931 | |
| 932 StopWhenLoad(); | |
| 933 } | |
| 934 | |
| 935 TEST_F(BufferedResourceLoaderTest, Tricky_ReadPastThreshold) { | |
| 936 const int kSize = 5 * 1024 * 1024; | |
| 937 const int kThreshold = 2 * 1024 * 1024; | |
| 938 | |
| 939 Initialize(kHttpUrl, 10, kSize); | |
| 940 SetLoaderBuffer(10, 10); | |
| 941 Start(); | |
| 942 PartialResponse(10, kSize - 1, kSize); | |
| 943 | |
| 944 uint8_t buffer[256]; | |
| 945 InSequence s; | |
| 946 | |
| 947 // PRECONDITION | |
| 948 WriteUntilThreshold(); | |
| 949 ConfirmBufferState(0, 10, 10, 10); | |
| 950 ConfirmLoaderOffsets(10, 0, 0); | |
| 951 | |
| 952 // *** TRICKY BUSINESS, PT. VI *** | |
| 953 // Read past the forward wait threshold: cache miss. | |
| 954 // | |
| 955 // BEFORE | |
| 956 // offset=10 [xxxxxxxxxx] ... | |
| 957 // ^^^^ requested 10 bytes @ threshold | |
| 958 // AFTER | |
| 959 // offset=10 [xxxxxxxxxx] !!! cache miss !!! | |
| 960 // | |
| 961 EXPECT_CALL(*this, ReadCallback(BufferedResourceLoader::kCacheMiss, 0)); | |
| 962 ReadLoader(kThreshold + 20, 10, buffer); | |
| 963 | |
| 964 // POSTCONDITION | |
| 965 ConfirmBufferState(0, 10, 10, 10); | |
| 966 ConfirmLoaderOffsets(10, 0, 0); | |
| 967 | |
| 968 StopWhenLoad(); | |
| 969 } | |
| 970 | |
| 971 TEST_F(BufferedResourceLoaderTest, HasSingleOrigin) { | |
| 972 // Make sure no redirect case works as expected. | |
| 973 Initialize(kHttpUrl, -1, -1); | |
| 974 Start(); | |
| 975 FullResponse(1024); | |
| 976 EXPECT_TRUE(loader_->HasSingleOrigin()); | |
| 977 StopWhenLoad(); | |
| 978 | |
| 979 // Test redirect to the same domain. | |
| 980 Initialize(kHttpUrl, -1, -1); | |
| 981 Start(); | |
| 982 Redirect(kHttpRedirectToSameDomainUrl1); | |
| 983 FullResponse(1024); | |
| 984 EXPECT_TRUE(loader_->HasSingleOrigin()); | |
| 985 StopWhenLoad(); | |
| 986 | |
| 987 // Test redirect twice to the same domain. | |
| 988 Initialize(kHttpUrl, -1, -1); | |
| 989 Start(); | |
| 990 Redirect(kHttpRedirectToSameDomainUrl1); | |
| 991 Redirect(kHttpRedirectToSameDomainUrl2); | |
| 992 FullResponse(1024); | |
| 993 EXPECT_TRUE(loader_->HasSingleOrigin()); | |
| 994 StopWhenLoad(); | |
| 995 | |
| 996 // Test redirect to a different domain. | |
| 997 Initialize(kHttpUrl, -1, -1); | |
| 998 Start(); | |
| 999 Redirect(kHttpRedirectToDifferentDomainUrl1); | |
| 1000 FullResponse(1024); | |
| 1001 EXPECT_FALSE(loader_->HasSingleOrigin()); | |
| 1002 StopWhenLoad(); | |
| 1003 | |
| 1004 // Test redirect to the same domain and then to a different domain. | |
| 1005 Initialize(kHttpUrl, -1, -1); | |
| 1006 Start(); | |
| 1007 Redirect(kHttpRedirectToSameDomainUrl1); | |
| 1008 Redirect(kHttpRedirectToDifferentDomainUrl1); | |
| 1009 FullResponse(1024); | |
| 1010 EXPECT_FALSE(loader_->HasSingleOrigin()); | |
| 1011 StopWhenLoad(); | |
| 1012 } | |
| 1013 | |
| 1014 TEST_F(BufferedResourceLoaderTest, BufferWindow_Default) { | |
| 1015 Initialize(kHttpUrl, -1, -1); | |
| 1016 Start(); | |
| 1017 | |
| 1018 // Test ensures that default construction of a BufferedResourceLoader has sane | |
| 1019 // values. | |
| 1020 // | |
| 1021 // Please do not change these values in order to make a test pass! Instead, | |
| 1022 // start a conversation on what the default buffer window capacities should | |
| 1023 // be. | |
| 1024 ConfirmLoaderBufferBackwardCapacity(2 * 1024 * 1024); | |
| 1025 ConfirmLoaderBufferForwardCapacity(2 * 1024 * 1024); | |
| 1026 | |
| 1027 StopWhenLoad(); | |
| 1028 } | |
| 1029 | |
| 1030 TEST_F(BufferedResourceLoaderTest, BufferWindow_Bitrate_Unknown) { | |
| 1031 Initialize(kHttpUrl, -1, -1); | |
| 1032 Start(); | |
| 1033 loader_->SetBitrate(0); | |
| 1034 CheckBufferWindowBounds(); | |
| 1035 StopWhenLoad(); | |
| 1036 } | |
| 1037 | |
| 1038 TEST_F(BufferedResourceLoaderTest, BufferWindow_Bitrate_BelowLowerBound) { | |
| 1039 Initialize(kHttpUrl, -1, -1); | |
| 1040 Start(); | |
| 1041 loader_->SetBitrate(1024 * 8); // 1 Kbps. | |
| 1042 CheckBufferWindowBounds(); | |
| 1043 StopWhenLoad(); | |
| 1044 } | |
| 1045 | |
| 1046 TEST_F(BufferedResourceLoaderTest, BufferWindow_Bitrate_WithinBounds) { | |
| 1047 Initialize(kHttpUrl, -1, -1); | |
| 1048 Start(); | |
| 1049 loader_->SetBitrate(2 * 1024 * 1024 * 8); // 2 Mbps. | |
| 1050 CheckBufferWindowBounds(); | |
| 1051 StopWhenLoad(); | |
| 1052 } | |
| 1053 | |
| 1054 TEST_F(BufferedResourceLoaderTest, BufferWindow_Bitrate_AboveUpperBound) { | |
| 1055 Initialize(kHttpUrl, -1, -1); | |
| 1056 Start(); | |
| 1057 loader_->SetBitrate(100 * 1024 * 1024 * 8); // 100 Mbps. | |
| 1058 CheckBufferWindowBounds(); | |
| 1059 StopWhenLoad(); | |
| 1060 } | |
| 1061 | |
| 1062 TEST_F(BufferedResourceLoaderTest, BufferWindow_PlaybackRate_Negative) { | |
| 1063 Initialize(kHttpUrl, -1, -1); | |
| 1064 Start(); | |
| 1065 loader_->SetPlaybackRate(-10); | |
| 1066 CheckBufferWindowBounds(); | |
| 1067 StopWhenLoad(); | |
| 1068 } | |
| 1069 | |
| 1070 TEST_F(BufferedResourceLoaderTest, BufferWindow_PlaybackRate_Zero) { | |
| 1071 Initialize(kHttpUrl, -1, -1); | |
| 1072 Start(); | |
| 1073 loader_->SetPlaybackRate(0); | |
| 1074 CheckBufferWindowBounds(); | |
| 1075 StopWhenLoad(); | |
| 1076 } | |
| 1077 | |
| 1078 TEST_F(BufferedResourceLoaderTest, BufferWindow_PlaybackRate_BelowLowerBound) { | |
| 1079 Initialize(kHttpUrl, -1, -1); | |
| 1080 Start(); | |
| 1081 loader_->SetPlaybackRate(0.1); | |
| 1082 CheckBufferWindowBounds(); | |
| 1083 StopWhenLoad(); | |
| 1084 } | |
| 1085 | |
| 1086 TEST_F(BufferedResourceLoaderTest, BufferWindow_PlaybackRate_WithinBounds) { | |
| 1087 Initialize(kHttpUrl, -1, -1); | |
| 1088 Start(); | |
| 1089 loader_->SetPlaybackRate(10); | |
| 1090 CheckBufferWindowBounds(); | |
| 1091 StopWhenLoad(); | |
| 1092 } | |
| 1093 | |
| 1094 TEST_F(BufferedResourceLoaderTest, BufferWindow_PlaybackRate_AboveUpperBound) { | |
| 1095 Initialize(kHttpUrl, -1, -1); | |
| 1096 Start(); | |
| 1097 loader_->SetPlaybackRate(100); | |
| 1098 CheckBufferWindowBounds(); | |
| 1099 StopWhenLoad(); | |
| 1100 } | |
| 1101 | |
| 1102 static void ExpectContentRange(const std::string& str, | |
| 1103 bool expect_success, | |
| 1104 int64_t expected_first, | |
| 1105 int64_t expected_last, | |
| 1106 int64_t expected_size) { | |
| 1107 int64_t first, last, size; | |
| 1108 ASSERT_EQ(expect_success, BufferedResourceLoader::ParseContentRange( | |
| 1109 str, &first, &last, &size)) << str; | |
| 1110 if (!expect_success) | |
| 1111 return; | |
| 1112 EXPECT_EQ(first, expected_first); | |
| 1113 EXPECT_EQ(last, expected_last); | |
| 1114 EXPECT_EQ(size, expected_size); | |
| 1115 } | |
| 1116 | |
| 1117 static void ExpectContentRangeFailure(const std::string& str) { | |
| 1118 ExpectContentRange(str, false, 0, 0, 0); | |
| 1119 } | |
| 1120 | |
| 1121 static void ExpectContentRangeSuccess(const std::string& str, | |
| 1122 int64_t expected_first, | |
| 1123 int64_t expected_last, | |
| 1124 int64_t expected_size) { | |
| 1125 ExpectContentRange(str, true, expected_first, expected_last, expected_size); | |
| 1126 } | |
| 1127 | |
| 1128 TEST(BufferedResourceLoaderStandaloneTest, ParseContentRange) { | |
| 1129 ExpectContentRangeFailure("cytes 0-499/500"); | |
| 1130 ExpectContentRangeFailure("bytes 0499/500"); | |
| 1131 ExpectContentRangeFailure("bytes 0-499500"); | |
| 1132 ExpectContentRangeFailure("bytes 0-499/500-blorg"); | |
| 1133 ExpectContentRangeFailure("bytes 0-499/500-1"); | |
| 1134 ExpectContentRangeFailure("bytes 0-499/400"); | |
| 1135 ExpectContentRangeFailure("bytes 0-/400"); | |
| 1136 ExpectContentRangeFailure("bytes -300/400"); | |
| 1137 ExpectContentRangeFailure("bytes 20-10/400"); | |
| 1138 | |
| 1139 ExpectContentRangeSuccess("bytes 0-499/500", 0, 499, 500); | |
| 1140 ExpectContentRangeSuccess("bytes 0-0/500", 0, 0, 500); | |
| 1141 ExpectContentRangeSuccess("bytes 10-11/50", 10, 11, 50); | |
| 1142 ExpectContentRangeSuccess("bytes 10-11/*", 10, 11, | |
| 1143 kPositionNotSpecified); | |
| 1144 } | |
| 1145 | |
| 1146 // Tests the data buffering logic of ReadThenDefer strategy. | |
| 1147 TEST_F(BufferedResourceLoaderTest, CancelAfterDeferral) { | |
| 1148 Initialize(kHttpUrl, 10, 99); | |
| 1149 SetLoaderBuffer(10, 20); | |
| 1150 loader_->UpdateDeferStrategy(BufferedResourceLoader::kReadThenDefer); | |
| 1151 loader_->CancelUponDeferral(); | |
| 1152 Start(); | |
| 1153 PartialResponse(10, 99, 100); | |
| 1154 | |
| 1155 uint8_t buffer[10]; | |
| 1156 | |
| 1157 // Make an outstanding read request. | |
| 1158 ReadLoader(10, 10, buffer); | |
| 1159 | |
| 1160 // Receive almost enough data to cover, shouldn't defer. | |
| 1161 WriteLoader(10, 9); | |
| 1162 EXPECT_TRUE(HasActiveLoader()); | |
| 1163 | |
| 1164 // As soon as we have received enough data to fulfill the read, defer. | |
| 1165 EXPECT_CALL(*this, LoadingCallback(BufferedResourceLoader::kLoadingDeferred)); | |
| 1166 EXPECT_CALL(*this, ReadCallback(BufferedResourceLoader::kOk, 10)); | |
| 1167 WriteLoader(19, 1); | |
| 1168 VerifyBuffer(buffer, 10, 10); | |
| 1169 EXPECT_FALSE(HasActiveLoader()); | |
| 1170 } | |
| 1171 | |
| 1172 } // namespace media | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2272163002:
Delete now deprecated BufferedDataSource and friends. (Closed)
