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// Copyright 2013 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/i18n/timezone.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/icu/source/common/unicode/strenum.h"
#include "third_party/icu/source/common/unicode/unistr.h"
#include "third_party/icu/source/i18n/unicode/timezone.h"
namespace base {
namespace {
TEST(TimezoneTest, CountryCodeForTimezones) {
std::unique_ptr<icu::StringEnumeration> timezones(
icu::TimeZone::createEnumeration());
UErrorCode status = U_ZERO_ERROR;
while (const icu::UnicodeString* timezone = timezones->snext(status)) {
icu::TimeZone::adoptDefault(icu::TimeZone::createTimeZone(*timezone));
std::string country_code = CountryCodeForCurrentTimezone();
// On some systems (such as Android or some flavors of Linux), ICU may come
// up empty. With https://chromium-review.googlesource.com/c/512282/ , ICU
// will not fail any more. See also
// http://bugs.icu-project.org/trac/ticket/13208 . Even with that, ICU
// returns '001' (world) for region-agnostic timezones such as Etc/UTC and
// |CountryCodeForCurrentTimezone| returns an empty string so that the next
// fallback can be tried by a customer.
if (!country_code.empty())
EXPECT_EQ(2U, country_code.size()) << "country_code = " << country_code;
}
icu::TimeZone::adoptDefault(nullptr);
}
} // namespace
} // namespace base
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