Java wrapper for DistilledPagePrefs.

components/dom_distiller/core/distilled_page_prefs_unittests.cc

-// Copyright 2014 The Chromium Authors. All rights reserved.

[nyquist, 2014/07/09 23:49:03]

I don't think you want to delete this unittest.

[sunangel, 2014/07/10 14:31:52]

Done.

-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "components/dom_distiller/core/distilled_page_prefs.h"
-
-#include "base/bind.h"
-#include "base/memory/weak_ptr.h"
-#include "base/message_loop/message_loop.h"
-#include "base/observer_list.h"
-#include "base/prefs/pref_registry_simple.h"
-#include "base/prefs/testing_pref_service.h"
-#include "base/run_loop.h"
-#include "base/values.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace {
-const char kThemePref[] = "dom_distiller.theme";
-}
-
-namespace dom_distiller {
-
-class TestingDistilledPagePrefs {
- public:
-  // Possible themes for distilled page.
-  enum Theme {
-    kLight,
-    kDark,
-    kSepia
-  };
-
-  class Observer {
-   public:
-    virtual void OnChangeTheme(Theme theme) = 0;
-  };
-
-  void AddObserver(Observer* obs);
-  void RemoveObserver(Observer* obs);
-  int GetNumberOfObservers();
-
-  TestingDistilledPagePrefs();
-  ~TestingDistilledPagePrefs();
-
-  void SetTheme(Theme new_theme);
-  Theme GetTheme();
-
- private:
-  void NotifyOnChangeTheme(Theme theme);
-  void RegisterPrefs();
-
-  ObserverList<Observer> observers_;
-  TestingPrefServiceSimple* pref_service_;
-  
-  base::WeakPtrFactory<TestingDistilledPagePrefs> weak_ptr_factory_;
-};
-
-class TestingDistilledPagePrefsObserver
-     : public TestingDistilledPagePrefs::Observer {
- public:
-  virtual void OnChangeTheme(TestingDistilledPagePrefs::Theme) OVERRIDE;
-  TestingDistilledPagePrefs::Theme GetTheme();
-
- private:
-  TestingDistilledPagePrefs::Theme theme;
-};
-
-TestingDistilledPagePrefs::TestingDistilledPagePrefs()
-  : pref_service_(new TestingPrefServiceSimple()),
-    weak_ptr_factory_(this) {
-  RegisterPrefs();
-}
-
-TestingDistilledPagePrefs::~TestingDistilledPagePrefs() {
-  pref_service_->~TestingPrefServiceSimple();
-}
-
-void TestingDistilledPagePrefs::AddObserver(Observer* obs) {
-  observers_.AddObserver(obs);
-}
-
-void TestingDistilledPagePrefs::RemoveObserver(Observer* obs) {
-  observers_.RemoveObserver(obs);
-}
-
-int TestingDistilledPagePrefs::GetNumberOfObservers() {
-  ObserverListBase<dom_distiller::TestingDistilledPagePrefs::Observer>::Iterator* iter = new ObserverListBase<TestingDistilledPagePrefs::Observer>::Iterator(observers_);
-  Observer* obs;
-  int count = 0;
-  while((obs = iter->GetNext()) != NULL) {
-    count++;
-  }
-  //iter->ObserverListBase<dom_distiller::TestingDistilledPagePrefs::Observer>::~Iterator();
-  return count;
-}
-
-void TestingDistilledPagePrefs::RegisterPrefs() {
-  pref_service_->registry()->RegisterIntegerPref(kThemePref, Theme::kLight);
-}
-
-
-void TestingDistilledPagePrefs::SetTheme(Theme new_theme) {
-  pref_service_->SetUserPref(kThemePref, new base::FundamentalValue(new_theme));
-  base::MessageLoop::current()->PostTask(FROM_HERE, base::Bind(&TestingDistilledPagePrefs::NotifyOnChangeTheme, weak_ptr_factory_.GetWeakPtr(), new_theme));
-}
-
-TestingDistilledPagePrefs::Theme TestingDistilledPagePrefs::GetTheme() {
-  int temp;
-  pref_service_->GetUserPref(kThemePref)->GetAsInteger(&temp);
-  return (Theme) temp;
-}
-
-void TestingDistilledPagePrefs::NotifyOnChangeTheme(Theme theme) {
-  FOR_EACH_OBSERVER(Observer, observers_, OnChangeTheme(theme));
-}
-
-void TestingDistilledPagePrefsObserver::OnChangeTheme(
-    TestingDistilledPagePrefs::Theme new_theme) {
-  theme = new_theme;
-}
-
-TestingDistilledPagePrefs::Theme TestingDistilledPagePrefsObserver::GetTheme() {
-  return theme;
-}
-
-class DistilledPagePrefsTest : public testing::Test {
-};
-
-TEST_F(DistilledPagePrefsTest, TestingOnChangeThemeIsBeingCalled) {
-  scoped_ptr<TestingDistilledPagePrefs> distilled_page_prefs(new TestingDistilledPagePrefs);
-  TestingDistilledPagePrefsObserver* obs = new TestingDistilledPagePrefsObserver();
-  distilled_page_prefs->AddObserver(obs);
-  distilled_page_prefs->SetTheme(TestingDistilledPagePrefs::Theme::kDark);
-  base::RunLoop run_loop;
-  run_loop.RunUntilIdle();
-  EXPECT_EQ(distilled_page_prefs->GetTheme(), obs->GetTheme());
-}
-
-TEST_F(DistilledPagePrefsTest, TestingAddRemoveObserver) {
-/*  scoped_ptr<TestingDistilledPagePrefs> distilled_page_prefs(new TestingDistilledPagePrefs);
-  TestingDistilledPagePrefsObserver* obs = new TestingDistilledPagePrefsObserver();
-  int count = 0;
-  ObserverListBase<TestingDistilledPagePrefs::Observer>::Iterator iter = new ObserverListBase<TestingDistilledPagePrefs::Observer>::Iterator(distilled_page_prefs->observers_); 
-  distilled_page_prefs->AddObserver(obs);*/
-//  EXPECT_EQ(distilled_page_prefs->observers_.
-/*  base::MessageLoop* message_loop(base::MessageLoop::Type::TYPE_DEFAULT);
-  distilled_page_prefs->SetTheme(TestingDistilledPagePrefs::Theme::kSepia, message_loop);*/
-}
-
-}  // namespace dom_distiller