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.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 UtteranceContinuousParameters& params) OVERRIDE {
  26     return true;
  27   }
  28   virtual bool IsSpeaking() OVERRIDE { return false; }
  29   virtual bool StopSpeaking() OVERRIDE { return true; }
  30   virtual bool SendsEvent(TtsEventType event_type) OVERRIDE { return false; }
  31   virtual std::string gender() OVERRIDE { return std::string(); }
  32   virtual std::string error() OVERRIDE { return std::string(); }
  33   virtual void clear_error() OVERRIDE {}
  34   virtual void set_error(const std::string& error) OVERRIDE {}
  35 };
  36
  37 // Subclass of TtsController with a public ctor and dtor.
  38 class TestableTtsController : public TtsController {
  39  public:
  40   TestableTtsController() {}
  41   virtual ~TestableTtsController() {}
  42 };
  43
  44 TEST_F(TtsApiControllerTest, TestTtsControllerShutdown) {
  45   DummyTtsPlatformImpl platform_impl;
  46   TestableTtsController* controller =
  47       new TestableTtsController();
  48   controller->SetPlatformImpl(&platform_impl);
  49
  50   Utterance* utterance1 = new Utterance(NULL);
  51   utterance1->set_can_enqueue(true);
  52   utterance1->set_src_id(1);
  53   controller->SpeakOrEnqueue(utterance1);
  54
  55   Utterance* utterance2 = new Utterance(NULL);
  56   utterance2->set_can_enqueue(true);
  57   utterance2->set_src_id(2);
  58   controller->SpeakOrEnqueue(utterance2);
  59
  60   // Make sure that deleting the controller when there are pending
  61   // utterances doesn't cause a crash.
  62   delete controller;
  63 }