Remove voe_auto_test and add new tests to cover the missing cases.

BUG=webrtc:4690

Review-Url: https://codereview.webrtc.org/3007383002
Cr-Commit-Position: refs/heads/master@{#19865}
diff --git a/audio/audio_send_stream_tests.cc b/audio/audio_send_stream_tests.cc
new file mode 100644
index 0000000..4283b73
--- /dev/null
+++ b/audio/audio_send_stream_tests.cc
@@ -0,0 +1,238 @@
+/*
+ *  Copyright (c) 2017 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 "test/call_test.h"
+#include "test/gtest.h"
+#include "test/rtcp_packet_parser.h"
+
+namespace webrtc {
+namespace test {
+namespace {
+
+class AudioSendTest : public SendTest {
+ public:
+  AudioSendTest() : SendTest(CallTest::kDefaultTimeoutMs) {}
+
+  size_t GetNumVideoStreams() const override {
+    return 0;
+  }
+  size_t GetNumAudioStreams() const override {
+    return 1;
+  }
+  size_t GetNumFlexfecStreams() const override {
+    return 0;
+  }
+};
+}  // namespace
+
+using AudioSendStreamCallTest = CallTest;
+
+TEST_F(AudioSendStreamCallTest, SupportsCName) {
+  static std::string kCName = "PjqatC14dGfbVwGPUOA9IH7RlsFDbWl4AhXEiDsBizo=";
+  class CNameObserver : public AudioSendTest {
+   public:
+    CNameObserver() = default;
+
+   private:
+    Action OnSendRtcp(const uint8_t* packet, size_t length) override {
+      RtcpPacketParser parser;
+      EXPECT_TRUE(parser.Parse(packet, length));
+      if (parser.sdes()->num_packets() > 0) {
+        EXPECT_EQ(1u, parser.sdes()->chunks().size());
+        EXPECT_EQ(kCName, parser.sdes()->chunks()[0].cname);
+
+        observation_complete_.Set();
+      }
+
+      return SEND_PACKET;
+    }
+
+    void ModifyAudioConfigs(
+        AudioSendStream::Config* send_config,
+        std::vector<AudioReceiveStream::Config>* receive_configs) override {
+      send_config->rtp.c_name = kCName;
+    }
+
+    void PerformTest() override {
+      EXPECT_TRUE(Wait()) << "Timed out while waiting for RTCP with CNAME.";
+    }
+  } test;
+
+  RunBaseTest(&test);
+}
+
+TEST_F(AudioSendStreamCallTest, NoExtensionsByDefault) {
+  class NoExtensionsObserver : public AudioSendTest {
+   public:
+    NoExtensionsObserver() = default;
+
+   private:
+    Action OnSendRtp(const uint8_t* packet, size_t length) override {
+      RTPHeader header;
+      EXPECT_TRUE(parser_->Parse(packet, length, &header));
+
+      EXPECT_FALSE(header.extension.hasTransmissionTimeOffset);
+      EXPECT_FALSE(header.extension.hasAbsoluteSendTime);
+      EXPECT_FALSE(header.extension.hasTransportSequenceNumber);
+      EXPECT_FALSE(header.extension.hasAudioLevel);
+      EXPECT_FALSE(header.extension.hasVideoRotation);
+      EXPECT_FALSE(header.extension.hasVideoContentType);
+      observation_complete_.Set();
+
+      return SEND_PACKET;
+    }
+
+    void ModifyAudioConfigs(
+        AudioSendStream::Config* send_config,
+        std::vector<AudioReceiveStream::Config>* receive_configs) override {
+      send_config->rtp.extensions.clear();
+    }
+
+    void PerformTest() override {
+      EXPECT_TRUE(Wait()) << "Timed out while waiting for a single RTP packet.";
+    }
+  } test;
+
+  RunBaseTest(&test);
+}
+
+TEST_F(AudioSendStreamCallTest, SupportsAudioLevel) {
+  class AudioLevelObserver : public AudioSendTest {
+   public:
+    AudioLevelObserver() : AudioSendTest() {
+      EXPECT_TRUE(parser_->RegisterRtpHeaderExtension(
+          kRtpExtensionAudioLevel, test::kAudioLevelExtensionId));
+    }
+
+    Action OnSendRtp(const uint8_t* packet, size_t length) override {
+      RTPHeader header;
+      EXPECT_TRUE(parser_->Parse(packet, length, &header));
+
+      EXPECT_TRUE(header.extension.hasAudioLevel);
+      if (header.extension.audioLevel != 0) {
+        // Wait for at least one packet with a non-zero level.
+        observation_complete_.Set();
+      } else {
+        LOG(LS_WARNING) << "Got a packet with zero audioLevel - waiting"
+                           " for another packet...";
+      }
+
+      return SEND_PACKET;
+    }
+
+    void ModifyAudioConfigs(
+        AudioSendStream::Config* send_config,
+        std::vector<AudioReceiveStream::Config>* receive_configs) override {
+      send_config->rtp.extensions.clear();
+      send_config->rtp.extensions.push_back(RtpExtension(
+          RtpExtension::kAudioLevelUri, test::kAudioLevelExtensionId));
+    }
+
+    void PerformTest() override {
+      EXPECT_TRUE(Wait()) << "Timed out while waiting for single RTP packet.";
+    }
+  } test;
+
+  RunBaseTest(&test);
+}
+
+TEST_F(AudioSendStreamCallTest, SupportsTransportWideSequenceNumbers) {
+  static const uint8_t kExtensionId = test::kTransportSequenceNumberExtensionId;
+  class TransportWideSequenceNumberObserver : public AudioSendTest {
+   public:
+    TransportWideSequenceNumberObserver() : AudioSendTest() {
+      EXPECT_TRUE(parser_->RegisterRtpHeaderExtension(
+          kRtpExtensionTransportSequenceNumber, kExtensionId));
+    }
+
+   private:
+    Action OnSendRtp(const uint8_t* packet, size_t length) override {
+      RTPHeader header;
+      EXPECT_TRUE(parser_->Parse(packet, length, &header));
+
+      EXPECT_TRUE(header.extension.hasTransportSequenceNumber);
+      EXPECT_FALSE(header.extension.hasTransmissionTimeOffset);
+      EXPECT_FALSE(header.extension.hasAbsoluteSendTime);
+
+      observation_complete_.Set();
+
+      return SEND_PACKET;
+    }
+
+    void ModifyAudioConfigs(
+        AudioSendStream::Config* send_config,
+        std::vector<AudioReceiveStream::Config>* receive_configs) override {
+      send_config->rtp.extensions.clear();
+      send_config->rtp.extensions.push_back(RtpExtension(
+          RtpExtension::kTransportSequenceNumberUri, kExtensionId));
+    }
+
+    void PerformTest() override {
+      EXPECT_TRUE(Wait()) << "Timed out while waiting for a single RTP packet.";
+    }
+  } test;
+
+  RunBaseTest(&test);
+}
+
+TEST_F(AudioSendStreamCallTest, SendDtmf) {
+  static const uint8_t kDtmfPayloadType = 120;
+  static const int kDtmfPayloadFrequency = 8000;
+  static const int kDtmfEventFirst = 12;
+  static const int kDtmfEventLast = 31;
+  static const int kDtmfDuration = 50;
+  class DtmfObserver : public AudioSendTest {
+   public:
+    DtmfObserver() = default;
+
+   private:
+    Action OnSendRtp(const uint8_t* packet, size_t length) override {
+      RTPHeader header;
+      EXPECT_TRUE(parser_->Parse(packet, length, &header));
+
+      if (header.payloadType == kDtmfPayloadType) {
+        EXPECT_EQ(12u, header.headerLength);
+        EXPECT_EQ(16u, length);
+        const int event = packet[12];
+        if (event != expected_dtmf_event_) {
+          ++expected_dtmf_event_;
+          EXPECT_EQ(event, expected_dtmf_event_);
+          if (expected_dtmf_event_ == kDtmfEventLast) {
+            observation_complete_.Set();
+          }
+        }
+      }
+
+      return SEND_PACKET;
+    }
+
+    void OnAudioStreamsCreated(
+        AudioSendStream* send_stream,
+        const std::vector<AudioReceiveStream*>& receive_streams) override {
+      // Need to start stream here, else DTMF events are dropped.
+      send_stream->Start();
+      for (int event = kDtmfEventFirst; event <= kDtmfEventLast; ++event) {
+        send_stream->SendTelephoneEvent(kDtmfPayloadType, kDtmfPayloadFrequency,
+                                        event, kDtmfDuration);
+      }
+    }
+
+    void PerformTest() override {
+      EXPECT_TRUE(Wait()) << "Timed out while waiting for DTMF stream.";
+    }
+
+    int expected_dtmf_event_ = kDtmfEventFirst;
+  } test;
+
+  RunBaseTest(&test);
+}
+
+}  // namespace test
+}  // namespace webrtc