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Unified Diff: base/prefs/pref_member_unittest.cc

Issue 1648403002: Move base/prefs to components/prefs (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 11 months ago
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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();
-}
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