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   virtual ~DummyTtsPlatformImpl() {}
  20   virtual bool PlatformImplAvailable() override { return true; }
  21   virtual bool Speak(
  22       int utterance_id,
  23       const std::string& utterance,
  24       const std::string& lang,
  25       const VoiceData& voice,
  26       const UtteranceContinuousParameters& params) override {
  27     return true;
  28   }
  29   virtual bool IsSpeaking() override { return false; }
  30   virtual bool StopSpeaking() override { return true; }
  31   virtual void Pause() override {}
  32   virtual void Resume() override {}
  33   virtual void GetVoices(std::vector<VoiceData>* out_voices) override {}
  34   virtual std::string error() override { return std::string(); }
  35   virtual void clear_error() override {}
  36   virtual void set_error(const std::string& error) override {}
  37 };
  38
  39 // Subclass of TtsController with a public ctor and dtor.
  40 class TestableTtsController : public TtsControllerImpl {
  41  public:
  42   TestableTtsController() {}
  43   virtual ~TestableTtsController() {}
  44 };
  45
  46 TEST_F(TtsApiControllerTest, TestTtsControllerShutdown) {
  47   DummyTtsPlatformImpl platform_impl;
  48   TestableTtsController* controller =
  49       new TestableTtsController();
  50   controller->SetPlatformImpl(&platform_impl);
  51
  52   Utterance* utterance1 = new Utterance(NULL);
  53   utterance1->set_can_enqueue(true);
  54   utterance1->set_src_id(1);
  55   controller->SpeakOrEnqueue(utterance1);
  56
  57   Utterance* utterance2 = new Utterance(NULL);
  58   utterance2->set_can_enqueue(true);
  59   utterance2->set_src_id(2);
  60   controller->SpeakOrEnqueue(utterance2);
  61
  62   // Make sure that deleting the controller when there are pending
  63   // utterances doesn't cause a crash.
  64   delete controller;
  65 }