OLD | NEW |
1 /* | 1 /* |
2 * Copyright 2004 The WebRTC Project Authors. All rights reserved. | 2 * Copyright 2004 The WebRTC Project Authors. All rights reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
11 #ifndef WEBRTC_BASE_TESTUTILS_H__ | 11 #ifndef WEBRTC_BASE_TESTUTILS_H_ |
12 #define WEBRTC_BASE_TESTUTILS_H__ | 12 #define WEBRTC_BASE_TESTUTILS_H_ |
13 | 13 |
14 // Utilities for testing rtc infrastructure in unittests | |
15 | 14 |
16 #if defined(WEBRTC_LINUX) && !defined(WEBRTC_ANDROID) | 15 // This header is deprecated and is just left here temporarily during |
17 #include <X11/Xlib.h> | 16 // refactoring. See https://bugs.webrtc.org/7634 for more details. |
18 #include <X11/extensions/Xrandr.h> | 17 #include "webrtc/rtc_base/testutils.h" |
19 | 18 |
20 // X defines a few macros that stomp on types that gunit.h uses. | 19 #endif // WEBRTC_BASE_TESTUTILS_H_ |
21 #undef None | |
22 #undef Bool | |
23 #endif | |
24 | |
25 #include <algorithm> | |
26 #include <map> | |
27 #include <memory> | |
28 #include <vector> | |
29 #include "webrtc/base/arraysize.h" | |
30 #include "webrtc/base/asyncsocket.h" | |
31 #include "webrtc/base/checks.h" | |
32 #include "webrtc/base/gunit.h" | |
33 #include "webrtc/base/nethelpers.h" | |
34 #include "webrtc/base/pathutils.h" | |
35 #include "webrtc/base/stream.h" | |
36 #include "webrtc/base/stringencode.h" | |
37 #include "webrtc/base/stringutils.h" | |
38 #include "webrtc/base/thread.h" | |
39 | |
40 namespace webrtc { | |
41 namespace testing { | |
42 | |
43 using namespace rtc; | |
44 | |
45 /////////////////////////////////////////////////////////////////////////////// | |
46 // StreamSink - Monitor asynchronously signalled events from StreamInterface | |
47 // or AsyncSocket (which should probably be a StreamInterface. | |
48 /////////////////////////////////////////////////////////////////////////////// | |
49 | |
50 // Note: Any event that is an error is treaded as SSE_ERROR instead of that | |
51 // event. | |
52 | |
53 enum StreamSinkEvent { | |
54 SSE_OPEN = SE_OPEN, | |
55 SSE_READ = SE_READ, | |
56 SSE_WRITE = SE_WRITE, | |
57 SSE_CLOSE = SE_CLOSE, | |
58 SSE_ERROR = 16 | |
59 }; | |
60 | |
61 class StreamSink : public sigslot::has_slots<> { | |
62 public: | |
63 void Monitor(StreamInterface* stream) { | |
64 stream->SignalEvent.connect(this, &StreamSink::OnEvent); | |
65 events_.erase(stream); | |
66 } | |
67 void Unmonitor(StreamInterface* stream) { | |
68 stream->SignalEvent.disconnect(this); | |
69 // In case you forgot to unmonitor a previous object with this address | |
70 events_.erase(stream); | |
71 } | |
72 bool Check(StreamInterface* stream, StreamSinkEvent event, bool reset = true)
{ | |
73 return DoCheck(stream, event, reset); | |
74 } | |
75 int Events(StreamInterface* stream, bool reset = true) { | |
76 return DoEvents(stream, reset); | |
77 } | |
78 | |
79 void Monitor(AsyncSocket* socket) { | |
80 socket->SignalConnectEvent.connect(this, &StreamSink::OnConnectEvent); | |
81 socket->SignalReadEvent.connect(this, &StreamSink::OnReadEvent); | |
82 socket->SignalWriteEvent.connect(this, &StreamSink::OnWriteEvent); | |
83 socket->SignalCloseEvent.connect(this, &StreamSink::OnCloseEvent); | |
84 // In case you forgot to unmonitor a previous object with this address | |
85 events_.erase(socket); | |
86 } | |
87 void Unmonitor(AsyncSocket* socket) { | |
88 socket->SignalConnectEvent.disconnect(this); | |
89 socket->SignalReadEvent.disconnect(this); | |
90 socket->SignalWriteEvent.disconnect(this); | |
91 socket->SignalCloseEvent.disconnect(this); | |
92 events_.erase(socket); | |
93 } | |
94 bool Check(AsyncSocket* socket, StreamSinkEvent event, bool reset = true) { | |
95 return DoCheck(socket, event, reset); | |
96 } | |
97 int Events(AsyncSocket* socket, bool reset = true) { | |
98 return DoEvents(socket, reset); | |
99 } | |
100 | |
101 private: | |
102 typedef std::map<void*,int> EventMap; | |
103 | |
104 void OnEvent(StreamInterface* stream, int events, int error) { | |
105 if (error) { | |
106 events = SSE_ERROR; | |
107 } | |
108 AddEvents(stream, events); | |
109 } | |
110 void OnConnectEvent(AsyncSocket* socket) { | |
111 AddEvents(socket, SSE_OPEN); | |
112 } | |
113 void OnReadEvent(AsyncSocket* socket) { | |
114 AddEvents(socket, SSE_READ); | |
115 } | |
116 void OnWriteEvent(AsyncSocket* socket) { | |
117 AddEvents(socket, SSE_WRITE); | |
118 } | |
119 void OnCloseEvent(AsyncSocket* socket, int error) { | |
120 AddEvents(socket, (0 == error) ? SSE_CLOSE : SSE_ERROR); | |
121 } | |
122 | |
123 void AddEvents(void* obj, int events) { | |
124 EventMap::iterator it = events_.find(obj); | |
125 if (events_.end() == it) { | |
126 events_.insert(EventMap::value_type(obj, events)); | |
127 } else { | |
128 it->second |= events; | |
129 } | |
130 } | |
131 bool DoCheck(void* obj, StreamSinkEvent event, bool reset) { | |
132 EventMap::iterator it = events_.find(obj); | |
133 if ((events_.end() == it) || (0 == (it->second & event))) { | |
134 return false; | |
135 } | |
136 if (reset) { | |
137 it->second &= ~event; | |
138 } | |
139 return true; | |
140 } | |
141 int DoEvents(void* obj, bool reset) { | |
142 EventMap::iterator it = events_.find(obj); | |
143 if (events_.end() == it) | |
144 return 0; | |
145 int events = it->second; | |
146 if (reset) { | |
147 it->second = 0; | |
148 } | |
149 return events; | |
150 } | |
151 | |
152 EventMap events_; | |
153 }; | |
154 | |
155 /////////////////////////////////////////////////////////////////////////////// | |
156 // StreamSource - Implements stream interface and simulates asynchronous | |
157 // events on the stream, without a network. Also buffers written data. | |
158 /////////////////////////////////////////////////////////////////////////////// | |
159 | |
160 class StreamSource : public StreamInterface { | |
161 public: | |
162 StreamSource() { | |
163 Clear(); | |
164 } | |
165 | |
166 void Clear() { | |
167 readable_data_.clear(); | |
168 written_data_.clear(); | |
169 state_ = SS_CLOSED; | |
170 read_block_ = 0; | |
171 write_block_ = SIZE_UNKNOWN; | |
172 } | |
173 void QueueString(const char* data) { | |
174 QueueData(data, strlen(data)); | |
175 } | |
176 void QueueStringF(const char* format, ...) { | |
177 va_list args; | |
178 va_start(args, format); | |
179 char buffer[1024]; | |
180 size_t len = vsprintfn(buffer, sizeof(buffer), format, args); | |
181 RTC_CHECK(len < sizeof(buffer) - 1); | |
182 va_end(args); | |
183 QueueData(buffer, len); | |
184 } | |
185 void QueueData(const char* data, size_t len) { | |
186 readable_data_.insert(readable_data_.end(), data, data + len); | |
187 if ((SS_OPEN == state_) && (readable_data_.size() == len)) { | |
188 SignalEvent(this, SE_READ, 0); | |
189 } | |
190 } | |
191 std::string ReadData() { | |
192 std::string data; | |
193 // avoid accessing written_data_[0] if it is undefined | |
194 if (written_data_.size() > 0) { | |
195 data.insert(0, &written_data_[0], written_data_.size()); | |
196 } | |
197 written_data_.clear(); | |
198 return data; | |
199 } | |
200 void SetState(StreamState state) { | |
201 int events = 0; | |
202 if ((SS_OPENING == state_) && (SS_OPEN == state)) { | |
203 events |= SE_OPEN; | |
204 if (!readable_data_.empty()) { | |
205 events |= SE_READ; | |
206 } | |
207 } else if ((SS_CLOSED != state_) && (SS_CLOSED == state)) { | |
208 events |= SE_CLOSE; | |
209 } | |
210 state_ = state; | |
211 if (events) { | |
212 SignalEvent(this, events, 0); | |
213 } | |
214 } | |
215 // Will cause Read to block when there are pos bytes in the read queue. | |
216 void SetReadBlock(size_t pos) { read_block_ = pos; } | |
217 // Will cause Write to block when there are pos bytes in the write queue. | |
218 void SetWriteBlock(size_t pos) { write_block_ = pos; } | |
219 | |
220 virtual StreamState GetState() const { return state_; } | |
221 virtual StreamResult Read(void* buffer, size_t buffer_len, | |
222 size_t* read, int* error) { | |
223 if (SS_CLOSED == state_) { | |
224 if (error) *error = -1; | |
225 return SR_ERROR; | |
226 } | |
227 if ((SS_OPENING == state_) || (readable_data_.size() <= read_block_)) { | |
228 return SR_BLOCK; | |
229 } | |
230 size_t count = std::min(buffer_len, readable_data_.size() - read_block_); | |
231 memcpy(buffer, &readable_data_[0], count); | |
232 size_t new_size = readable_data_.size() - count; | |
233 // Avoid undefined access beyond the last element of the vector. | |
234 // This only happens when new_size is 0. | |
235 if (count < readable_data_.size()) { | |
236 memmove(&readable_data_[0], &readable_data_[count], new_size); | |
237 } | |
238 readable_data_.resize(new_size); | |
239 if (read) *read = count; | |
240 return SR_SUCCESS; | |
241 } | |
242 virtual StreamResult Write(const void* data, size_t data_len, | |
243 size_t* written, int* error) { | |
244 if (SS_CLOSED == state_) { | |
245 if (error) *error = -1; | |
246 return SR_ERROR; | |
247 } | |
248 if (SS_OPENING == state_) { | |
249 return SR_BLOCK; | |
250 } | |
251 if (SIZE_UNKNOWN != write_block_) { | |
252 if (written_data_.size() >= write_block_) { | |
253 return SR_BLOCK; | |
254 } | |
255 if (data_len > (write_block_ - written_data_.size())) { | |
256 data_len = write_block_ - written_data_.size(); | |
257 } | |
258 } | |
259 if (written) *written = data_len; | |
260 const char* cdata = static_cast<const char*>(data); | |
261 written_data_.insert(written_data_.end(), cdata, cdata + data_len); | |
262 return SR_SUCCESS; | |
263 } | |
264 virtual void Close() { state_ = SS_CLOSED; } | |
265 | |
266 private: | |
267 typedef std::vector<char> Buffer; | |
268 Buffer readable_data_, written_data_; | |
269 StreamState state_; | |
270 size_t read_block_, write_block_; | |
271 }; | |
272 | |
273 /////////////////////////////////////////////////////////////////////////////// | |
274 // SocketTestClient | |
275 // Creates a simulated client for testing. Works on real and virtual networks. | |
276 /////////////////////////////////////////////////////////////////////////////// | |
277 | |
278 class SocketTestClient : public sigslot::has_slots<> { | |
279 public: | |
280 SocketTestClient() { Init(nullptr, AF_INET); } | |
281 SocketTestClient(AsyncSocket* socket) { | |
282 Init(socket, socket->GetLocalAddress().family()); | |
283 } | |
284 SocketTestClient(const SocketAddress& address) { | |
285 Init(nullptr, address.family()); | |
286 socket_->Connect(address); | |
287 } | |
288 | |
289 AsyncSocket* socket() { return socket_.get(); } | |
290 | |
291 void QueueString(const char* data) { | |
292 QueueData(data, strlen(data)); | |
293 } | |
294 void QueueStringF(const char* format, ...) { | |
295 va_list args; | |
296 va_start(args, format); | |
297 char buffer[1024]; | |
298 size_t len = vsprintfn(buffer, sizeof(buffer), format, args); | |
299 RTC_CHECK(len < sizeof(buffer) - 1); | |
300 va_end(args); | |
301 QueueData(buffer, len); | |
302 } | |
303 void QueueData(const char* data, size_t len) { | |
304 send_buffer_.insert(send_buffer_.end(), data, data + len); | |
305 if (Socket::CS_CONNECTED == socket_->GetState()) { | |
306 Flush(); | |
307 } | |
308 } | |
309 std::string ReadData() { | |
310 std::string data(&recv_buffer_[0], recv_buffer_.size()); | |
311 recv_buffer_.clear(); | |
312 return data; | |
313 } | |
314 | |
315 bool IsConnected() const { | |
316 return (Socket::CS_CONNECTED == socket_->GetState()); | |
317 } | |
318 bool IsClosed() const { | |
319 return (Socket::CS_CLOSED == socket_->GetState()); | |
320 } | |
321 | |
322 private: | |
323 typedef std::vector<char> Buffer; | |
324 | |
325 void Init(AsyncSocket* socket, int family) { | |
326 if (!socket) { | |
327 socket = Thread::Current()->socketserver() | |
328 ->CreateAsyncSocket(family, SOCK_STREAM); | |
329 } | |
330 socket_.reset(socket); | |
331 socket_->SignalConnectEvent.connect(this, | |
332 &SocketTestClient::OnConnectEvent); | |
333 socket_->SignalReadEvent.connect(this, &SocketTestClient::OnReadEvent); | |
334 socket_->SignalWriteEvent.connect(this, &SocketTestClient::OnWriteEvent); | |
335 socket_->SignalCloseEvent.connect(this, &SocketTestClient::OnCloseEvent); | |
336 } | |
337 | |
338 void Flush() { | |
339 size_t sent = 0; | |
340 while (sent < send_buffer_.size()) { | |
341 int result = socket_->Send(&send_buffer_[sent], | |
342 send_buffer_.size() - sent); | |
343 if (result > 0) { | |
344 sent += result; | |
345 } else { | |
346 break; | |
347 } | |
348 } | |
349 size_t new_size = send_buffer_.size() - sent; | |
350 memmove(&send_buffer_[0], &send_buffer_[sent], new_size); | |
351 send_buffer_.resize(new_size); | |
352 } | |
353 | |
354 void OnConnectEvent(AsyncSocket* socket) { | |
355 if (!send_buffer_.empty()) { | |
356 Flush(); | |
357 } | |
358 } | |
359 void OnReadEvent(AsyncSocket* socket) { | |
360 char data[64 * 1024]; | |
361 int result = socket_->Recv(data, arraysize(data), nullptr); | |
362 if (result > 0) { | |
363 recv_buffer_.insert(recv_buffer_.end(), data, data + result); | |
364 } | |
365 } | |
366 void OnWriteEvent(AsyncSocket* socket) { | |
367 if (!send_buffer_.empty()) { | |
368 Flush(); | |
369 } | |
370 } | |
371 void OnCloseEvent(AsyncSocket* socket, int error) { | |
372 } | |
373 | |
374 std::unique_ptr<AsyncSocket> socket_; | |
375 Buffer send_buffer_, recv_buffer_; | |
376 }; | |
377 | |
378 /////////////////////////////////////////////////////////////////////////////// | |
379 // SocketTestServer | |
380 // Creates a simulated server for testing. Works on real and virtual networks. | |
381 /////////////////////////////////////////////////////////////////////////////// | |
382 | |
383 class SocketTestServer : public sigslot::has_slots<> { | |
384 public: | |
385 SocketTestServer(const SocketAddress& address) | |
386 : socket_(Thread::Current()->socketserver() | |
387 ->CreateAsyncSocket(address.family(), SOCK_STREAM)) | |
388 { | |
389 socket_->SignalReadEvent.connect(this, &SocketTestServer::OnReadEvent); | |
390 socket_->Bind(address); | |
391 socket_->Listen(5); | |
392 } | |
393 virtual ~SocketTestServer() { | |
394 clear(); | |
395 } | |
396 | |
397 size_t size() const { return clients_.size(); } | |
398 SocketTestClient* client(size_t index) const { return clients_[index]; } | |
399 SocketTestClient* operator[](size_t index) const { return client(index); } | |
400 | |
401 void clear() { | |
402 for (size_t i=0; i<clients_.size(); ++i) { | |
403 delete clients_[i]; | |
404 } | |
405 clients_.clear(); | |
406 } | |
407 | |
408 private: | |
409 void OnReadEvent(AsyncSocket* socket) { | |
410 AsyncSocket* accepted = static_cast<AsyncSocket*>(socket_->Accept(nullptr)); | |
411 if (!accepted) | |
412 return; | |
413 clients_.push_back(new SocketTestClient(accepted)); | |
414 } | |
415 | |
416 std::unique_ptr<AsyncSocket> socket_; | |
417 std::vector<SocketTestClient*> clients_; | |
418 }; | |
419 | |
420 /////////////////////////////////////////////////////////////////////////////// | |
421 // Unittest predicates which are similar to STREQ, but for raw memory | |
422 /////////////////////////////////////////////////////////////////////////////// | |
423 | |
424 inline ::testing::AssertionResult CmpHelperMemEq( | |
425 const char* expected_expression, | |
426 const char* expected_length_expression, | |
427 const char* actual_expression, | |
428 const char* actual_length_expression, | |
429 const void* expected, | |
430 size_t expected_length, | |
431 const void* actual, | |
432 size_t actual_length) { | |
433 if ((expected_length == actual_length) | |
434 && (0 == memcmp(expected, actual, expected_length))) { | |
435 return ::testing::AssertionSuccess(); | |
436 } | |
437 | |
438 ::testing::Message msg; | |
439 msg << "Value of: " << actual_expression | |
440 << " [" << actual_length_expression << "]"; | |
441 if (true) { //!actual_value.Equals(actual_expression)) { | |
442 size_t buffer_size = actual_length * 2 + 1; | |
443 char* buffer = STACK_ARRAY(char, buffer_size); | |
444 hex_encode(buffer, buffer_size, | |
445 reinterpret_cast<const char*>(actual), actual_length); | |
446 msg << "\n Actual: " << buffer << " [" << actual_length << "]"; | |
447 } | |
448 | |
449 msg << "\nExpected: " << expected_expression | |
450 << " [" << expected_length_expression << "]"; | |
451 if (true) { //!expected_value.Equals(expected_expression)) { | |
452 size_t buffer_size = expected_length * 2 + 1; | |
453 char* buffer = STACK_ARRAY(char, buffer_size); | |
454 hex_encode(buffer, buffer_size, | |
455 reinterpret_cast<const char*>(expected), expected_length); | |
456 msg << "\nWhich is: " << buffer << " [" << expected_length << "]"; | |
457 } | |
458 | |
459 return AssertionFailure(msg); | |
460 } | |
461 | |
462 #define EXPECT_MEMEQ(expected, expected_length, actual, actual_length) \ | |
463 EXPECT_PRED_FORMAT4(::testing::CmpHelperMemEq, expected, expected_length, \ | |
464 actual, actual_length) | |
465 | |
466 #define ASSERT_MEMEQ(expected, expected_length, actual, actual_length) \ | |
467 ASSERT_PRED_FORMAT4(::testing::CmpHelperMemEq, expected, expected_length, \ | |
468 actual, actual_length) | |
469 | |
470 /////////////////////////////////////////////////////////////////////////////// | |
471 // Helpers for initializing constant memory with integers in a particular byte | |
472 // order | |
473 /////////////////////////////////////////////////////////////////////////////// | |
474 | |
475 #define BYTE_CAST(x) static_cast<uint8_t>((x)&0xFF) | |
476 | |
477 // Declare a N-bit integer as a little-endian sequence of bytes | |
478 #define LE16(x) BYTE_CAST(((uint16_t)x) >> 0), BYTE_CAST(((uint16_t)x) >> 8) | |
479 | |
480 #define LE32(x) \ | |
481 BYTE_CAST(((uint32_t)x) >> 0), BYTE_CAST(((uint32_t)x) >> 8), \ | |
482 BYTE_CAST(((uint32_t)x) >> 16), BYTE_CAST(((uint32_t)x) >> 24) | |
483 | |
484 #define LE64(x) \ | |
485 BYTE_CAST(((uint64_t)x) >> 0), BYTE_CAST(((uint64_t)x) >> 8), \ | |
486 BYTE_CAST(((uint64_t)x) >> 16), BYTE_CAST(((uint64_t)x) >> 24), \ | |
487 BYTE_CAST(((uint64_t)x) >> 32), BYTE_CAST(((uint64_t)x) >> 40), \ | |
488 BYTE_CAST(((uint64_t)x) >> 48), BYTE_CAST(((uint64_t)x) >> 56) | |
489 | |
490 // Declare a N-bit integer as a big-endian (Internet) sequence of bytes | |
491 #define BE16(x) BYTE_CAST(((uint16_t)x) >> 8), BYTE_CAST(((uint16_t)x) >> 0) | |
492 | |
493 #define BE32(x) \ | |
494 BYTE_CAST(((uint32_t)x) >> 24), BYTE_CAST(((uint32_t)x) >> 16), \ | |
495 BYTE_CAST(((uint32_t)x) >> 8), BYTE_CAST(((uint32_t)x) >> 0) | |
496 | |
497 #define BE64(x) \ | |
498 BYTE_CAST(((uint64_t)x) >> 56), BYTE_CAST(((uint64_t)x) >> 48), \ | |
499 BYTE_CAST(((uint64_t)x) >> 40), BYTE_CAST(((uint64_t)x) >> 32), \ | |
500 BYTE_CAST(((uint64_t)x) >> 24), BYTE_CAST(((uint64_t)x) >> 16), \ | |
501 BYTE_CAST(((uint64_t)x) >> 8), BYTE_CAST(((uint64_t)x) >> 0) | |
502 | |
503 // Declare a N-bit integer as a this-endian (local machine) sequence of bytes | |
504 #ifndef BIG_ENDIAN | |
505 #define BIG_ENDIAN 1 | |
506 #endif // BIG_ENDIAN | |
507 | |
508 #if BIG_ENDIAN | |
509 #define TE16 BE16 | |
510 #define TE32 BE32 | |
511 #define TE64 BE64 | |
512 #else // !BIG_ENDIAN | |
513 #define TE16 LE16 | |
514 #define TE32 LE32 | |
515 #define TE64 LE64 | |
516 #endif // !BIG_ENDIAN | |
517 | |
518 /////////////////////////////////////////////////////////////////////////////// | |
519 | |
520 // Helpers for determining if X/screencasting is available (on linux). | |
521 | |
522 #define MAYBE_SKIP_SCREENCAST_TEST() \ | |
523 if (!testing::IsScreencastingAvailable()) { \ | |
524 LOG(LS_WARNING) << "Skipping test, since it doesn't have the requisite " \ | |
525 << "X environment for screen capture."; \ | |
526 return; \ | |
527 } \ | |
528 | |
529 #if defined(WEBRTC_LINUX) && !defined(WEBRTC_ANDROID) | |
530 struct XDisplay { | |
531 XDisplay() : display_(XOpenDisplay(nullptr)) {} | |
532 ~XDisplay() { if (display_) XCloseDisplay(display_); } | |
533 bool IsValid() const { return display_ != nullptr; } | |
534 operator Display*() { return display_; } | |
535 private: | |
536 Display* display_; | |
537 }; | |
538 #endif | |
539 | |
540 // Returns true if screencasting is available. When false, anything that uses | |
541 // screencasting features may fail. | |
542 inline bool IsScreencastingAvailable() { | |
543 #if defined(WEBRTC_LINUX) && !defined(WEBRTC_ANDROID) | |
544 XDisplay display; | |
545 if (!display.IsValid()) { | |
546 LOG(LS_WARNING) << "No X Display available."; | |
547 return false; | |
548 } | |
549 int ignored_int, major_version, minor_version; | |
550 if (!XRRQueryExtension(display, &ignored_int, &ignored_int) || | |
551 !XRRQueryVersion(display, &major_version, &minor_version) || | |
552 major_version < 1 || | |
553 (major_version < 2 && minor_version < 3)) { | |
554 LOG(LS_WARNING) << "XRandr version: " << major_version << "." | |
555 << minor_version; | |
556 LOG(LS_WARNING) << "XRandr is not supported or is too old (pre 1.3)."; | |
557 return false; | |
558 } | |
559 #endif | |
560 return true; | |
561 } | |
562 | |
563 } // namespace testing | |
564 } // namespace webrtc | |
565 | |
566 #endif // WEBRTC_BASE_TESTUTILS_H__ | |
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