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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chromeos/ash/components/settings/scoped_timezone_settings.h"
#include <memory>
#include <string>
#include "chromeos/ash/components/settings/timezone_settings.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace ash::system {
namespace {
std::u16string GetCurrentTimezoneIDFromTimezoneSettings() {
return TimezoneSettings::GetInstance()->GetCurrentTimezoneID();
}
TEST(ScopedTimezoneSettingsTest, CreatesInstanceViaParameterlessConstructor) {
std::u16string original_timezone = GetCurrentTimezoneIDFromTimezoneSettings();
// Parameterless constructor, timezone stays the same.
auto scoped_timezone_settings = std::make_unique<ScopedTimezoneSettings>();
EXPECT_EQ(GetCurrentTimezoneIDFromTimezoneSettings(), original_timezone);
EXPECT_EQ(GetCurrentTimezoneIDFromTimezoneSettings(),
scoped_timezone_settings->GetCurrentTimezoneID());
// Updates via `SetTimezoneFromID`.
scoped_timezone_settings->SetTimezoneFromID(u"GMT+01:00");
EXPECT_EQ(GetCurrentTimezoneIDFromTimezoneSettings(), u"GMT+01:00");
EXPECT_EQ(GetCurrentTimezoneIDFromTimezoneSettings(),
scoped_timezone_settings->GetCurrentTimezoneID());
// Resets the timezone back in destructor.
scoped_timezone_settings.reset();
EXPECT_EQ(GetCurrentTimezoneIDFromTimezoneSettings(), original_timezone);
}
TEST(ScopedTimezoneSettingsTest, CreatesInstanceViaParameterizedConstructor) {
std::u16string original_timezone = GetCurrentTimezoneIDFromTimezoneSettings();
// Sets a new timezone in constructor.
auto scoped_timezone_settings =
std::make_unique<ScopedTimezoneSettings>(u"Atlantic/Azores");
EXPECT_EQ(GetCurrentTimezoneIDFromTimezoneSettings(), u"Atlantic/Azores");
EXPECT_EQ(GetCurrentTimezoneIDFromTimezoneSettings(),
scoped_timezone_settings->GetCurrentTimezoneID());
// Also updates via `SetTimezoneFromID`.
scoped_timezone_settings->SetTimezoneFromID(u"GMT+01:00");
EXPECT_EQ(GetCurrentTimezoneIDFromTimezoneSettings(), u"GMT+01:00");
EXPECT_EQ(GetCurrentTimezoneIDFromTimezoneSettings(),
scoped_timezone_settings->GetCurrentTimezoneID());
// Resets the timezone back in destructor.
scoped_timezone_settings.reset();
EXPECT_EQ(GetCurrentTimezoneIDFromTimezoneSettings(), original_timezone);
}
} // namespace
} // namespace ash::system
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