chrome/browser/speech/tts_controller_unittest.cc

   1 // Copyright (c) 2012 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 // Unit tests for the TTS Controller.
   6
   7 #include "base/values.h"
   8 #include "chrome/browser/speech/tts_controller_impl.h"
   9 #include "chrome/browser/speech/tts_platform.h"
  10 #include "testing/gtest/include/gtest/gtest.h"
  11
  12 class TtsApiControllerTest : public testing::Test {
  13 };
  14
  15 // Platform Tts implementation that does nothing.
  16 class DummyTtsPlatformImpl : public TtsPlatformImpl {
  17  public:
  18   DummyTtsPlatformImpl() {}
  19   ~DummyTtsPlatformImpl() override {}
  20   bool PlatformImplAvailable() override { return true; }
  21   bool Speak(int utterance_id,
  22              const std::string& utterance,
  23              const std::string& lang,
  24              const VoiceData& voice,
  25              const UtteranceContinuousParameters& params) override {
  26     return true;
  27   }
  28   bool IsSpeaking() override { return false; }
  29   bool StopSpeaking() override { return true; }
  30   void Pause() override {}
  31   void Resume() override {}
  32   void GetVoices(std::vector<VoiceData>* out_voices) override {}
  33   std::string error() override { return std::string(); }
  34   void clear_error() override {}
  35   void set_error(const std::string& error) override {}
  36 };
  37
  38 // Subclass of TtsController with a public ctor and dtor.
  39 class TestableTtsController : public TtsControllerImpl {
  40  public:
  41   TestableTtsController() {}
  42   ~TestableTtsController() override {}
  43 };
  44
  45 TEST_F(TtsApiControllerTest, TestTtsControllerShutdown) {
  46   DummyTtsPlatformImpl platform_impl;
  47   TestableTtsController* controller =
  48       new TestableTtsController();
  49   controller->SetPlatformImpl(&platform_impl);
  50
  51   Utterance* utterance1 = new Utterance(NULL);
  52   utterance1->set_can_enqueue(true);
  53   utterance1->set_src_id(1);
  54   controller->SpeakOrEnqueue(utterance1);
  55
  56   Utterance* utterance2 = new Utterance(NULL);
  57   utterance2->set_can_enqueue(true);
  58   utterance2->set_src_id(2);
  59   controller->SpeakOrEnqueue(utterance2);
  60
  61   // Make sure that deleting the controller when there are pending
  62   // utterances doesn't cause a crash.
  63   delete controller;
  64 }