Move talk/app/webrtc to webrtc/api

talk/app/webrtc/dtmfsender_unittest.cc

Index: talk/app/webrtc/dtmfsender_unittest.cc
diff --git a/talk/app/webrtc/dtmfsender_unittest.cc b/talk/app/webrtc/dtmfsender_unittest.cc
deleted file mode 100644
index f686aa2ccc676c7ef429aa7cc2bac5e9d9aa3a1d..0000000000000000000000000000000000000000
--- a/talk/app/webrtc/dtmfsender_unittest.cc
+++ /dev/null
@@ -1,359 +0,0 @@
-/*
- * libjingle
- * Copyright 2012 Google Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- *  1. Redistributions of source code must retain the above copyright notice,
- *     this list of conditions and the following disclaimer.
- *  2. Redistributions in binary form must reproduce the above copyright notice,
- *     this list of conditions and the following disclaimer in the documentation
- *     and/or other materials provided with the distribution.
- *  3. The name of the author may not be used to endorse or promote products
- *     derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
- * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
- * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "talk/app/webrtc/dtmfsender.h"
-
-#include <set>
-#include <string>
-#include <vector>
-
-#include "talk/app/webrtc/audiotrack.h"
-#include "webrtc/base/gunit.h"
-#include "webrtc/base/logging.h"
-#include "webrtc/base/timeutils.h"
-
-using webrtc::AudioTrackInterface;
-using webrtc::AudioTrack;
-using webrtc::DtmfProviderInterface;
-using webrtc::DtmfSender;
-using webrtc::DtmfSenderObserverInterface;
-
-static const char kTestAudioLabel[] = "test_audio_track";
-static const int kMaxWaitMs = 3000;
-
-class FakeDtmfObserver : public DtmfSenderObserverInterface {
- public:
-  FakeDtmfObserver() : completed_(false) {}
-
-  // Implements DtmfSenderObserverInterface.
-  void OnToneChange(const std::string& tone) override {
-    LOG(LS_VERBOSE) << "FakeDtmfObserver::OnToneChange '" << tone << "'.";
-    tones_.push_back(tone);
-    if (tone.empty()) {
-      completed_ = true;
-    }
-  }
-
-  // getters
-  const std::vector<std::string>& tones() const {
-    return tones_;
-  }
-  bool completed() const {
-    return completed_;
-  }
-
- private:
-  std::vector<std::string> tones_;
-  bool completed_;
-};
-
-class FakeDtmfProvider : public DtmfProviderInterface {
- public:
-  struct DtmfInfo {
-    DtmfInfo(int code, int duration, int gap)
-      : code(code),
-        duration(duration),
-        gap(gap) {}
-    int code;
-    int duration;
-    int gap;
-  };
-
-  FakeDtmfProvider() : last_insert_dtmf_call_(0) {}
-
-  ~FakeDtmfProvider() {
-    SignalDestroyed();
-  }
-
-  // Implements DtmfProviderInterface.
-  bool CanInsertDtmf(const std::string& track_label) override {
-    return (can_insert_dtmf_tracks_.count(track_label) != 0);
-  }
-
-  bool InsertDtmf(const std::string& track_label,
-                  int code,
-                  int duration) override {
-    int gap = 0;
-    // TODO(ronghuawu): Make the timer (basically the rtc::TimeNanos)
-    // mockable and use a fake timer in the unit tests.
-    if (last_insert_dtmf_call_ > 0) {
-      gap = static_cast<int>(rtc::Time() - last_insert_dtmf_call_);
-    }
-    last_insert_dtmf_call_ = rtc::Time();
-
-    LOG(LS_VERBOSE) << "FakeDtmfProvider::InsertDtmf code=" << code
-                    << " duration=" << duration
-                    << " gap=" << gap << ".";
-    dtmf_info_queue_.push_back(DtmfInfo(code, duration, gap));
-    return true;
-  }
-
-  virtual sigslot::signal0<>* GetOnDestroyedSignal() {
-    return &SignalDestroyed;
-  }
-
-  // getter and setter
-  const std::vector<DtmfInfo>& dtmf_info_queue() const {
-    return dtmf_info_queue_;
-  }
-
-  // helper functions
-  void AddCanInsertDtmfTrack(const std::string& label) {
-    can_insert_dtmf_tracks_.insert(label);
-  }
-  void RemoveCanInsertDtmfTrack(const std::string& label) {
-    can_insert_dtmf_tracks_.erase(label);
-  }
-
- private:
-  std::set<std::string> can_insert_dtmf_tracks_;
-  std::vector<DtmfInfo> dtmf_info_queue_;
-  int64_t last_insert_dtmf_call_;
-  sigslot::signal0<> SignalDestroyed;
-};
-
-class DtmfSenderTest : public testing::Test {
- protected:
-  DtmfSenderTest()
-      : track_(AudioTrack::Create(kTestAudioLabel, NULL)),
-        observer_(new rtc::RefCountedObject<FakeDtmfObserver>()),
-        provider_(new FakeDtmfProvider()) {
-    provider_->AddCanInsertDtmfTrack(kTestAudioLabel);
-    dtmf_ = DtmfSender::Create(track_, rtc::Thread::Current(),
-                               provider_.get());
-    dtmf_->RegisterObserver(observer_.get());
-  }
-
-  ~DtmfSenderTest() {
-    if (dtmf_.get()) {
-      dtmf_->UnregisterObserver();
-    }
-  }
-
-  // Constructs a list of DtmfInfo from |tones|, |duration| and
-  // |inter_tone_gap|.
-  void GetDtmfInfoFromString(const std::string& tones, int duration,
-                             int inter_tone_gap,
-                             std::vector<FakeDtmfProvider::DtmfInfo>* dtmfs) {
-    // Init extra_delay as -inter_tone_gap - duration to ensure the first
-    // DtmfInfo's gap field will be 0.
-    int extra_delay = -1 * (inter_tone_gap + duration);
-
-    std::string::const_iterator it = tones.begin();
-    for (; it != tones.end(); ++it) {
-      char tone = *it;
-      int code = 0;
-      webrtc::GetDtmfCode(tone, &code);
-      if (tone == ',') {
-        extra_delay = 2000;  // 2 seconds
-      } else {
-        dtmfs->push_back(FakeDtmfProvider::DtmfInfo(code, duration,
-                         duration + inter_tone_gap + extra_delay));
-        extra_delay = 0;
-      }
-    }
-  }
-
-  void VerifyExpectedState(AudioTrackInterface* track,
-                          const std::string& tones,
-                          int duration, int inter_tone_gap) {
-    EXPECT_EQ(track, dtmf_->track());
-    EXPECT_EQ(tones, dtmf_->tones());
-    EXPECT_EQ(duration, dtmf_->duration());
-    EXPECT_EQ(inter_tone_gap, dtmf_->inter_tone_gap());
-  }
-
-  // Verify the provider got all the expected calls.
-  void VerifyOnProvider(const std::string& tones, int duration,
-                        int inter_tone_gap) {
-    std::vector<FakeDtmfProvider::DtmfInfo> dtmf_queue_ref;
-    GetDtmfInfoFromString(tones, duration, inter_tone_gap, &dtmf_queue_ref);
-    VerifyOnProvider(dtmf_queue_ref);
-  }
-
-  void VerifyOnProvider(
-      const std::vector<FakeDtmfProvider::DtmfInfo>& dtmf_queue_ref) {
-    const std::vector<FakeDtmfProvider::DtmfInfo>& dtmf_queue =
-        provider_->dtmf_info_queue();
-    ASSERT_EQ(dtmf_queue_ref.size(), dtmf_queue.size());
-    std::vector<FakeDtmfProvider::DtmfInfo>::const_iterator it_ref =
-        dtmf_queue_ref.begin();
-    std::vector<FakeDtmfProvider::DtmfInfo>::const_iterator it =
-        dtmf_queue.begin();
-    while (it_ref != dtmf_queue_ref.end() && it != dtmf_queue.end()) {
-      EXPECT_EQ(it_ref->code, it->code);
-      EXPECT_EQ(it_ref->duration, it->duration);
-      // Allow ~100ms error.
-      EXPECT_GE(it_ref->gap, it->gap - 100);
-      EXPECT_LE(it_ref->gap, it->gap + 100);
-      ++it_ref;
-      ++it;
-    }
-  }
-
-  // Verify the observer got all the expected callbacks.
-  void VerifyOnObserver(const std::string& tones_ref) {
-    const std::vector<std::string>& tones = observer_->tones();
-    // The observer will get an empty string at the end.
-    EXPECT_EQ(tones_ref.size() + 1, tones.size());
-    EXPECT_TRUE(tones.back().empty());
-    std::string::const_iterator it_ref = tones_ref.begin();
-    std::vector<std::string>::const_iterator it = tones.begin();
-    while (it_ref != tones_ref.end() && it != tones.end()) {
-      EXPECT_EQ(*it_ref, it->at(0));
-      ++it_ref;
-      ++it;
-    }
-  }
-
-  rtc::scoped_refptr<AudioTrackInterface> track_;
-  rtc::scoped_ptr<FakeDtmfObserver> observer_;
-  rtc::scoped_ptr<FakeDtmfProvider> provider_;
-  rtc::scoped_refptr<DtmfSender> dtmf_;
-};
-
-TEST_F(DtmfSenderTest, CanInsertDtmf) {
-  EXPECT_TRUE(dtmf_->CanInsertDtmf());
-  provider_->RemoveCanInsertDtmfTrack(kTestAudioLabel);
-  EXPECT_FALSE(dtmf_->CanInsertDtmf());
-}
-
-TEST_F(DtmfSenderTest, InsertDtmf) {
-  std::string tones = "@1%a&*$";
-  int duration = 100;
-  int inter_tone_gap = 50;
-  EXPECT_TRUE(dtmf_->InsertDtmf(tones, duration, inter_tone_gap));
-  EXPECT_TRUE_WAIT(observer_->completed(), kMaxWaitMs);
-
-  // The unrecognized characters should be ignored.
-  std::string known_tones = "1a*";
-  VerifyOnProvider(known_tones, duration, inter_tone_gap);
-  VerifyOnObserver(known_tones);
-}
-
-TEST_F(DtmfSenderTest, InsertDtmfTwice) {
-  std::string tones1 = "12";
-  std::string tones2 = "ab";
-  int duration = 100;
-  int inter_tone_gap = 50;
-  EXPECT_TRUE(dtmf_->InsertDtmf(tones1, duration, inter_tone_gap));
-  VerifyExpectedState(track_, tones1, duration, inter_tone_gap);
-  // Wait until the first tone got sent.
-  EXPECT_TRUE_WAIT(observer_->tones().size() == 1, kMaxWaitMs);
-  VerifyExpectedState(track_, "2", duration, inter_tone_gap);
-  // Insert with another tone buffer.
-  EXPECT_TRUE(dtmf_->InsertDtmf(tones2, duration, inter_tone_gap));
-  VerifyExpectedState(track_, tones2, duration, inter_tone_gap);
-  // Wait until it's completed.
-  EXPECT_TRUE_WAIT(observer_->completed(), kMaxWaitMs);
-
-  std::vector<FakeDtmfProvider::DtmfInfo> dtmf_queue_ref;
-  GetDtmfInfoFromString("1", duration, inter_tone_gap, &dtmf_queue_ref);
-  GetDtmfInfoFromString("ab", duration, inter_tone_gap, &dtmf_queue_ref);
-  VerifyOnProvider(dtmf_queue_ref);
-  VerifyOnObserver("1ab");
-}
-
-TEST_F(DtmfSenderTest, InsertDtmfWhileProviderIsDeleted) {
-  std::string tones = "@1%a&*$";
-  int duration = 100;
-  int inter_tone_gap = 50;
-  EXPECT_TRUE(dtmf_->InsertDtmf(tones, duration, inter_tone_gap));
-  // Wait until the first tone got sent.
-  EXPECT_TRUE_WAIT(observer_->tones().size() == 1, kMaxWaitMs);
-  // Delete provider.
-  provider_.reset();
-  // The queue should be discontinued so no more tone callbacks.
-  WAIT(false, 200);
-  EXPECT_EQ(1U, observer_->tones().size());
-}
-
-TEST_F(DtmfSenderTest, InsertDtmfWhileSenderIsDeleted) {
-  std::string tones = "@1%a&*$";
-  int duration = 100;
-  int inter_tone_gap = 50;
-  EXPECT_TRUE(dtmf_->InsertDtmf(tones, duration, inter_tone_gap));
-  // Wait until the first tone got sent.
-  EXPECT_TRUE_WAIT(observer_->tones().size() == 1, kMaxWaitMs);
-  // Delete the sender.
-  dtmf_ = NULL;
-  // The queue should be discontinued so no more tone callbacks.
-  WAIT(false, 200);
-  EXPECT_EQ(1U, observer_->tones().size());
-}
-
-TEST_F(DtmfSenderTest, InsertEmptyTonesToCancelPreviousTask) {
-  std::string tones1 = "12";
-  std::string tones2 = "";
-  int duration = 100;
-  int inter_tone_gap = 50;
-  EXPECT_TRUE(dtmf_->InsertDtmf(tones1, duration, inter_tone_gap));
-  // Wait until the first tone got sent.
-  EXPECT_TRUE_WAIT(observer_->tones().size() == 1, kMaxWaitMs);
-  // Insert with another tone buffer.
-  EXPECT_TRUE(dtmf_->InsertDtmf(tones2, duration, inter_tone_gap));
-  // Wait until it's completed.
-  EXPECT_TRUE_WAIT(observer_->completed(), kMaxWaitMs);
-
-  std::vector<FakeDtmfProvider::DtmfInfo> dtmf_queue_ref;
-  GetDtmfInfoFromString("1", duration, inter_tone_gap, &dtmf_queue_ref);
-  VerifyOnProvider(dtmf_queue_ref);
-  VerifyOnObserver("1");
-}
-
-// Flaky when run in parallel.
-// See https://code.google.com/p/webrtc/issues/detail?id=4219.
-TEST_F(DtmfSenderTest, DISABLED_InsertDtmfWithCommaAsDelay) {
-  std::string tones = "3,4";
-  int duration = 100;
-  int inter_tone_gap = 50;
-  EXPECT_TRUE(dtmf_->InsertDtmf(tones, duration, inter_tone_gap));
-  EXPECT_TRUE_WAIT(observer_->completed(), kMaxWaitMs);
-
-  VerifyOnProvider(tones, duration, inter_tone_gap);
-  VerifyOnObserver(tones);
-}
-
-TEST_F(DtmfSenderTest, TryInsertDtmfWhenItDoesNotWork) {
-  std::string tones = "3,4";
-  int duration = 100;
-  int inter_tone_gap = 50;
-  provider_->RemoveCanInsertDtmfTrack(kTestAudioLabel);
-  EXPECT_FALSE(dtmf_->InsertDtmf(tones, duration, inter_tone_gap));
-}
-
-TEST_F(DtmfSenderTest, InsertDtmfWithInvalidDurationOrGap) {
-  std::string tones = "3,4";
-  int duration = 100;
-  int inter_tone_gap = 50;
-
-  EXPECT_FALSE(dtmf_->InsertDtmf(tones, 6001, inter_tone_gap));
-  EXPECT_FALSE(dtmf_->InsertDtmf(tones, 69, inter_tone_gap));
-  EXPECT_FALSE(dtmf_->InsertDtmf(tones, duration, 49));
-
-  EXPECT_TRUE(dtmf_->InsertDtmf(tones, duration, inter_tone_gap));
-}