// Copyright (c) 2010 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/status/clock_menu_button.h"

#include "base/string_util.h"
#include "chrome/browser/browser.h"
#include "chrome/browser/browser_window.h"
#include "chrome/browser/chromeos/frame/browser_view.h"
#include "chrome/browser/chromeos/status/browser_status_area_view.h"
#include "chrome/browser/chromeos/view_ids.h"
#include "chrome/browser/pref_member.h"
#include "chrome/browser/profile.h"
#include "chrome/common/pref_names.h"
#include "chrome/test/in_process_browser_test.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "unicode/calendar.h"
#include "unicode/timezone.h"

namespace chromeos {

class ClockMenuButtonTest : public InProcessBrowserTest {
 protected:
  ClockMenuButtonTest() : InProcessBrowserTest() {}
  ClockMenuButton* GetClockMenuButton() {
    BrowserView* view = static_cast<BrowserView*>(browser()->window());
    return static_cast<BrowserStatusAreaView*>(view->
        GetViewByID(VIEW_ID_STATUS_AREA))->clock_view();
  }
};

IN_PROC_BROWSER_TEST_F(ClockMenuButtonTest, TimezoneTest) {
  ClockMenuButton* clock = GetClockMenuButton();
  ASSERT_TRUE(clock != NULL);
  // Make sure clock has a calendar.
  ASSERT_TRUE(clock->calendar() != NULL);
  // Update timezone and make sure clock timezone changes.
  icu::UnicodeString id;
  clock->calendar()->getTimeZone().getID(id);
  UErrorCode error = U_ZERO_ERROR;
  int zone_offset = clock->calendar()->get(UCAL_ZONE_OFFSET, error);
  StringPrefMember timezone;
  timezone.Init(prefs::kTimeZone, browser()->profile()->GetPrefs(), NULL);
  timezone.SetValue(ASCIIToWide("Asia/Hong_Kong"));
  int zone_offset_after = clock->calendar()->get(UCAL_ZONE_OFFSET, error);
  EXPECT_NE(zone_offset, zone_offset_after);
}

}  // namespace chromeos