Move base/prefs to components/prefs

base/prefs/pref_member_unittest.cc

Index: base/prefs/pref_member_unittest.cc
diff --git a/base/prefs/pref_member_unittest.cc b/base/prefs/pref_member_unittest.cc
deleted file mode 100644
index a776e2c25535a36f86a362f37974b258dc809fc8..0000000000000000000000000000000000000000
--- a/base/prefs/pref_member_unittest.cc
+++ /dev/null
@@ -1,325 +0,0 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "base/prefs/pref_member.h"
-
-#include "base/bind.h"
-#include "base/location.h"
-#include "base/prefs/pref_registry_simple.h"
-#include "base/prefs/testing_pref_service.h"
-#include "base/single_thread_task_runner.h"
-#include "base/synchronization/waitable_event.h"
-#include "base/threading/thread.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace {
-
-const char kBoolPref[] = "bool";
-const char kIntPref[] = "int";
-const char kDoublePref[] = "double";
-const char kStringPref[] = "string";
-const char kStringListPref[] = "string_list";
-
-void RegisterTestPrefs(PrefRegistrySimple* registry) {
-  registry->RegisterBooleanPref(kBoolPref, false);
-  registry->RegisterIntegerPref(kIntPref, 0);
-  registry->RegisterDoublePref(kDoublePref, 0.0);
-  registry->RegisterStringPref(kStringPref, "default");
-  registry->RegisterListPref(kStringListPref, new base::ListValue());
-}
-
-class GetPrefValueHelper
-    : public base::RefCountedThreadSafe<GetPrefValueHelper> {
- public:
-  GetPrefValueHelper() : value_(false), pref_thread_("pref thread") {
-    pref_thread_.Start();
-  }
-
-  void Init(const std::string& pref_name, PrefService* prefs) {
-    pref_.Init(pref_name, prefs);
-    pref_.MoveToThread(pref_thread_.task_runner());
-  }
-
-  void Destroy() {
-    pref_.Destroy();
-  }
-
-  void FetchValue() {
-    base::WaitableEvent event(true, false);
-    ASSERT_TRUE(pref_thread_.task_runner()->PostTask(
-        FROM_HERE,
-        base::Bind(&GetPrefValueHelper::GetPrefValue, this, &event)));
-    event.Wait();
-  }
-
-  // The thread must be stopped on the main thread. GetPrefValueHelper being
-  // ref-counted, the destructor can be called from any thread.
-  void StopThread() {
-    pref_thread_.Stop();
-  }
-
-  bool value() { return value_; }
-
- private:
-  friend class base::RefCountedThreadSafe<GetPrefValueHelper>;
-  ~GetPrefValueHelper() {}
-
-  void GetPrefValue(base::WaitableEvent* event) {
-    value_ = pref_.GetValue();
-    event->Signal();
-  }
-
-  BooleanPrefMember pref_;
-  bool value_;
-
-  base::Thread pref_thread_;  // The thread |pref_| runs on.
-};
-
-class PrefMemberTestClass {
- public:
-  explicit PrefMemberTestClass(PrefService* prefs)
-      : observe_cnt_(0), prefs_(prefs) {
-    str_.Init(kStringPref, prefs,
-              base::Bind(&PrefMemberTestClass::OnPreferenceChanged,
-                         base::Unretained(this)));
-  }
-
-  void OnPreferenceChanged(const std::string& pref_name) {
-    EXPECT_EQ(pref_name, kStringPref);
-    EXPECT_EQ(str_.GetValue(), prefs_->GetString(kStringPref));
-    ++observe_cnt_;
-  }
-
-  StringPrefMember str_;
-  int observe_cnt_;
-
- private:
-  PrefService* prefs_;
-};
-
-}  // anonymous namespace
-
-class PrefMemberTest : public testing::Test {
-  base::MessageLoop message_loop_;
-};
-
-TEST_F(PrefMemberTest, BasicGetAndSet) {
-  TestingPrefServiceSimple prefs;
-  RegisterTestPrefs(prefs.registry());
-
-  // Test bool
-  BooleanPrefMember boolean;
-  boolean.Init(kBoolPref, &prefs);
-
-  // Check the defaults
-  EXPECT_FALSE(prefs.GetBoolean(kBoolPref));
-  EXPECT_FALSE(boolean.GetValue());
-  EXPECT_FALSE(*boolean);
-
-  // Try changing through the member variable.
-  boolean.SetValue(true);
-  EXPECT_TRUE(boolean.GetValue());
-  EXPECT_TRUE(prefs.GetBoolean(kBoolPref));
-  EXPECT_TRUE(*boolean);
-
-  // Try changing back through the pref.
-  prefs.SetBoolean(kBoolPref, false);
-  EXPECT_FALSE(prefs.GetBoolean(kBoolPref));
-  EXPECT_FALSE(boolean.GetValue());
-  EXPECT_FALSE(*boolean);
-
-  // Test int
-  IntegerPrefMember integer;
-  integer.Init(kIntPref, &prefs);
-
-  // Check the defaults
-  EXPECT_EQ(0, prefs.GetInteger(kIntPref));
-  EXPECT_EQ(0, integer.GetValue());
-  EXPECT_EQ(0, *integer);
-
-  // Try changing through the member variable.
-  integer.SetValue(5);
-  EXPECT_EQ(5, integer.GetValue());
-  EXPECT_EQ(5, prefs.GetInteger(kIntPref));
-  EXPECT_EQ(5, *integer);
-
-  // Try changing back through the pref.
-  prefs.SetInteger(kIntPref, 2);
-  EXPECT_EQ(2, prefs.GetInteger(kIntPref));
-  EXPECT_EQ(2, integer.GetValue());
-  EXPECT_EQ(2, *integer);
-
-  // Test double
-  DoublePrefMember double_member;
-  double_member.Init(kDoublePref, &prefs);
-
-  // Check the defaults
-  EXPECT_EQ(0.0, prefs.GetDouble(kDoublePref));
-  EXPECT_EQ(0.0, double_member.GetValue());
-  EXPECT_EQ(0.0, *double_member);
-
-  // Try changing through the member variable.
-  double_member.SetValue(1.0);
-  EXPECT_EQ(1.0, double_member.GetValue());
-  EXPECT_EQ(1.0, prefs.GetDouble(kDoublePref));
-  EXPECT_EQ(1.0, *double_member);
-
-  // Try changing back through the pref.
-  prefs.SetDouble(kDoublePref, 3.0);
-  EXPECT_EQ(3.0, prefs.GetDouble(kDoublePref));
-  EXPECT_EQ(3.0, double_member.GetValue());
-  EXPECT_EQ(3.0, *double_member);
-
-  // Test string
-  StringPrefMember string;
-  string.Init(kStringPref, &prefs);
-
-  // Check the defaults
-  EXPECT_EQ("default", prefs.GetString(kStringPref));
-  EXPECT_EQ("default", string.GetValue());
-  EXPECT_EQ("default", *string);
-
-  // Try changing through the member variable.
-  string.SetValue("foo");
-  EXPECT_EQ("foo", string.GetValue());
-  EXPECT_EQ("foo", prefs.GetString(kStringPref));
-  EXPECT_EQ("foo", *string);
-
-  // Try changing back through the pref.
-  prefs.SetString(kStringPref, "bar");
-  EXPECT_EQ("bar", prefs.GetString(kStringPref));
-  EXPECT_EQ("bar", string.GetValue());
-  EXPECT_EQ("bar", *string);
-
-  // Test string list
-  base::ListValue expected_list;
-  std::vector<std::string> expected_vector;
-  StringListPrefMember string_list;
-  string_list.Init(kStringListPref, &prefs);
-
-  // Check the defaults
-  EXPECT_TRUE(expected_list.Equals(prefs.GetList(kStringListPref)));
-  EXPECT_EQ(expected_vector, string_list.GetValue());
-  EXPECT_EQ(expected_vector, *string_list);
-
-  // Try changing through the pref member.
-  expected_list.AppendString("foo");
-  expected_vector.push_back("foo");
-  string_list.SetValue(expected_vector);
-
-  EXPECT_TRUE(expected_list.Equals(prefs.GetList(kStringListPref)));
-  EXPECT_EQ(expected_vector, string_list.GetValue());
-  EXPECT_EQ(expected_vector, *string_list);
-
-  // Try adding through the pref.
-  expected_list.AppendString("bar");
-  expected_vector.push_back("bar");
-  prefs.Set(kStringListPref, expected_list);
-
-  EXPECT_TRUE(expected_list.Equals(prefs.GetList(kStringListPref)));
-  EXPECT_EQ(expected_vector, string_list.GetValue());
-  EXPECT_EQ(expected_vector, *string_list);
-
-  // Try removing through the pref.
-  expected_list.Remove(0, NULL);
-  expected_vector.erase(expected_vector.begin());
-  prefs.Set(kStringListPref, expected_list);
-
-  EXPECT_TRUE(expected_list.Equals(prefs.GetList(kStringListPref)));
-  EXPECT_EQ(expected_vector, string_list.GetValue());
-  EXPECT_EQ(expected_vector, *string_list);
-}
-
-TEST_F(PrefMemberTest, InvalidList) {
-  // Set the vector to an initial good value.
-  std::vector<std::string> expected_vector;
-  expected_vector.push_back("foo");
-
-  // Try to add a valid list first.
-  base::ListValue list;
-  list.AppendString("foo");
-  std::vector<std::string> vector;
-  EXPECT_TRUE(subtle::PrefMemberVectorStringUpdate(list, &vector));
-  EXPECT_EQ(expected_vector, vector);
-
-  // Now try to add an invalid list.  |vector| should not be changed.
-  list.AppendInteger(0);
-  EXPECT_FALSE(subtle::PrefMemberVectorStringUpdate(list, &vector));
-  EXPECT_EQ(expected_vector, vector);
-}
-
-TEST_F(PrefMemberTest, TwoPrefs) {
-  // Make sure two DoublePrefMembers stay in sync.
-  TestingPrefServiceSimple prefs;
-  RegisterTestPrefs(prefs.registry());
-
-  DoublePrefMember pref1;
-  pref1.Init(kDoublePref, &prefs);
-  DoublePrefMember pref2;
-  pref2.Init(kDoublePref, &prefs);
-
-  pref1.SetValue(2.3);
-  EXPECT_EQ(2.3, *pref2);
-
-  pref2.SetValue(3.5);
-  EXPECT_EQ(3.5, *pref1);
-
-  prefs.SetDouble(kDoublePref, 4.2);
-  EXPECT_EQ(4.2, *pref1);
-  EXPECT_EQ(4.2, *pref2);
-}
-
-TEST_F(PrefMemberTest, Observer) {
-  TestingPrefServiceSimple prefs;
-  RegisterTestPrefs(prefs.registry());
-
-  PrefMemberTestClass test_obj(&prefs);
-  EXPECT_EQ("default", *test_obj.str_);
-
-  // Calling SetValue should not fire the observer.
-  test_obj.str_.SetValue("hello");
-  EXPECT_EQ(0, test_obj.observe_cnt_);
-  EXPECT_EQ("hello", prefs.GetString(kStringPref));
-
-  // Changing the pref does fire the observer.
-  prefs.SetString(kStringPref, "world");
-  EXPECT_EQ(1, test_obj.observe_cnt_);
-  EXPECT_EQ("world", *(test_obj.str_));
-
-  // Not changing the value should not fire the observer.
-  prefs.SetString(kStringPref, "world");
-  EXPECT_EQ(1, test_obj.observe_cnt_);
-  EXPECT_EQ("world", *(test_obj.str_));
-
-  prefs.SetString(kStringPref, "hello");
-  EXPECT_EQ(2, test_obj.observe_cnt_);
-  EXPECT_EQ("hello", prefs.GetString(kStringPref));
-}
-
-TEST_F(PrefMemberTest, NoInit) {
-  // Make sure not calling Init on a PrefMember doesn't cause problems.
-  IntegerPrefMember pref;
-}
-
-TEST_F(PrefMemberTest, MoveToThread) {
-  TestingPrefServiceSimple prefs;
-  scoped_refptr<GetPrefValueHelper> helper(new GetPrefValueHelper());
-  RegisterTestPrefs(prefs.registry());
-  helper->Init(kBoolPref, &prefs);
-
-  helper->FetchValue();
-  EXPECT_FALSE(helper->value());
-
-  prefs.SetBoolean(kBoolPref, true);
-
-  helper->FetchValue();
-  EXPECT_TRUE(helper->value());
-
-  helper->Destroy();
-
-  helper->FetchValue();
-  EXPECT_TRUE(helper->value());
-
-  helper->StopThread();
-}