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// Copyright (c) 2012 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 "chrome/browser/chromeos/preferences.h"
#include "chrome/browser/api/prefs/pref_member.h"
#include "chrome/browser/chromeos/input_method/mock_input_method_manager.h"
#include "chrome/browser/download/download_prefs.h"
#include "chrome/common/pref_names.h"
#include "chrome/test/base/testing_pref_service.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace chromeos {
namespace {
class MyMockInputMethodManager : public input_method::MockInputMethodManager {
public:
MyMockInputMethodManager(StringPrefMember* previous,
StringPrefMember* current)
: previous_(previous),
current_(current) {
}
virtual ~MyMockInputMethodManager() {
}
virtual bool SetInputMethodConfig(
const std::string& section,
const std::string& config_name,
const input_method::InputMethodConfigValue& value) OVERRIDE {
// Assume the preload engines list is "KeyboardC,KeyboardA,KeyboardB".
// Switch to the first one, C.
ChangeInputMethod("KeyboardC");
return true;
}
virtual void ChangeInputMethod(const std::string& input_method_id) OVERRIDE {
last_input_method_id_ = input_method_id;
// Do the same thing as BrowserStateMonitor::UpdateUserPreferences.
const std::string current_input_method_on_pref = current_->GetValue();
if (current_input_method_on_pref == input_method_id)
return;
previous_->SetValue(current_input_method_on_pref);
current_->SetValue(input_method_id);
}
std::string last_input_method_id_;
private:
StringPrefMember* previous_;
StringPrefMember* current_;
};
} // anonymous namespace
TEST(PreferencesTest, TestUpdatePrefOnBrowserScreenDetails) {
TestingPrefService prefs;
Preferences::RegisterUserPrefs(&prefs);
DownloadPrefs::RegisterUserPrefs(&prefs);
StringPrefMember previous;
previous.Init(prefs::kLanguagePreviousInputMethod, &prefs, NULL);
previous.SetValue("KeyboardA");
StringPrefMember current;
current.Init(prefs::kLanguageCurrentInputMethod, &prefs, NULL);
current.SetValue("KeyboardB");
MyMockInputMethodManager mock_manager(&previous, ¤t);
Preferences testee(&mock_manager);
testee.InitUserPrefsForTesting(&prefs);
testee.SetInputMethodListForTesting();
// Confirm they're unchanged.
EXPECT_EQ("KeyboardA", previous.GetValue());
EXPECT_EQ("KeyboardB", current.GetValue());
EXPECT_EQ("KeyboardB", mock_manager.last_input_method_id_);
}
} // namespace chromeos
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