1 files changed, 97 insertions, 0 deletions
diff --git a/third_party/libwebrtc/webrtc_lib_link_test.cc b/third_party/libwebrtc/webrtc_lib_link_test.cc
new file mode 100644
index 0000000000..055bd969ff
--- /dev/null
+++ b/third_party/libwebrtc/webrtc_lib_link_test.cc
@@ -0,0 +1,97 @@
+/*
+ *  Copyright 2019 The WebRTC Project Authors. All rights reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "api/audio_codecs/audio_decoder_factory_template.h"
+#include "api/audio_codecs/audio_encoder_factory_template.h"
+#include "api/audio_codecs/opus/audio_decoder_opus.h"
+#include "api/audio_codecs/opus/audio_encoder_opus.h"
+#include "api/call/call_factory_interface.h"
+#include "api/create_peerconnection_factory.h"
+#include "api/peer_connection_interface.h"
+#include "api/rtc_event_log/rtc_event_log_factory.h"
+#include "api/stats/rtcstats_objects.h"
+#include "api/task_queue/default_task_queue_factory.h"
+#include "api/video_codecs/builtin_video_decoder_factory.h"
+#include "api/video_codecs/builtin_video_encoder_factory.h"
+#include "media/engine/webrtc_media_engine.h"
+#include "modules/audio_device/include/audio_device.h"
+#include "modules/audio_processing/include/audio_processing.h"
+
+namespace webrtc {
+
+cricket::MediaEngineDependencies CreateSomeMediaDeps(
+    TaskQueueFactory* task_queue_factory) {
+  cricket::MediaEngineDependencies media_deps;
+  media_deps.task_queue_factory = task_queue_factory;
+  media_deps.adm = AudioDeviceModule::CreateForTest(
+      AudioDeviceModule::kDummyAudio, task_queue_factory);
+  media_deps.audio_encoder_factory =
+      webrtc::CreateAudioEncoderFactory<webrtc::AudioEncoderOpus>();
+  media_deps.audio_decoder_factory =
+      webrtc::CreateAudioDecoderFactory<webrtc::AudioDecoderOpus>();
+  media_deps.video_encoder_factory = CreateBuiltinVideoEncoderFactory();
+  media_deps.video_decoder_factory = webrtc::CreateBuiltinVideoDecoderFactory();
+  media_deps.audio_processing = webrtc::AudioProcessingBuilder().Create();
+  return media_deps;
+}
+
+webrtc::PeerConnectionFactoryDependencies CreateSomePcfDeps() {
+  webrtc::PeerConnectionFactoryDependencies pcf_deps;
+  pcf_deps.task_queue_factory = CreateDefaultTaskQueueFactory();
+  pcf_deps.signaling_thread = rtc::Thread::Current();
+  pcf_deps.network_thread = rtc::Thread::Current();
+  pcf_deps.worker_thread = rtc::Thread::Current();
+  pcf_deps.call_factory = webrtc::CreateCallFactory();
+  pcf_deps.event_log_factory = std::make_unique<webrtc::RtcEventLogFactory>(
+      pcf_deps.task_queue_factory.get());
+  auto media_deps = CreateSomeMediaDeps(pcf_deps.task_queue_factory.get());
+  pcf_deps.media_engine = cricket::CreateMediaEngine(std::move(media_deps));
+  return pcf_deps;
+}
+
+// NOTE: These "test cases" should pull in as much of WebRTC as possible to make
+// sure most commonly used symbols are actually in libwebrtc.a. It's entirely
+// possible these tests won't work at all times (maybe crash even), but that's
+// fine.
+void TestCase1ModularFactory() {
+  auto pcf_deps = CreateSomePcfDeps();
+  auto peer_connection_factory =
+      webrtc::CreateModularPeerConnectionFactory(std::move(pcf_deps));
+  webrtc::PeerConnectionInterface::RTCConfiguration rtc_config;
+  auto result = peer_connection_factory->CreatePeerConnectionOrError(
+      rtc_config, PeerConnectionDependencies(nullptr));
+  // Creation will fail because of null observer, but that's OK.
+  printf("peer_connection creation=%s\n", result.ok() ? "succeeded" : "failed");
+}
+
+void TestCase2RegularFactory() {
+  auto task_queue_factory = CreateDefaultTaskQueueFactory();
+  auto media_deps = CreateSomeMediaDeps(task_queue_factory.get());
+
+  auto peer_connection_factory = webrtc::CreatePeerConnectionFactory(
+      rtc::Thread::Current(), rtc::Thread::Current(), rtc::Thread::Current(),
+      std::move(media_deps.adm), std::move(media_deps.audio_encoder_factory),
+      std::move(media_deps.audio_decoder_factory),
+      std::move(media_deps.video_encoder_factory),
+      std::move(media_deps.video_decoder_factory), nullptr, nullptr);
+  webrtc::PeerConnectionInterface::RTCConfiguration rtc_config;
+  auto result = peer_connection_factory->CreatePeerConnectionOrError(
+      rtc_config, PeerConnectionDependencies(nullptr));
+  // Creation will fail because of null observer, but that's OK.
+  printf("peer_connection creation=%s\n", result.ok() ? "succeeded" : "failed");
+}
+
+}  // namespace webrtc
+
+int main(int argc, char** argv) {
+  webrtc::TestCase1ModularFactory();
+  webrtc::TestCase2RegularFactory();
+  return 0;
+}