1 // Copyright 2013 The Chromium Authors
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #include "base/i18n/timezone.h"
7 #include "testing/gtest/include/gtest/gtest.h"
8 #include "third_party/icu/source/common/unicode/strenum.h"
9 #include "third_party/icu/source/common/unicode/unistr.h"
10 #include "third_party/icu/source/i18n/unicode/timezone.h"
15 TEST(TimezoneTest, CountryCodeForTimezones) {
16 std::unique_ptr<icu::StringEnumeration> timezones(
17 icu::TimeZone::createEnumeration());
19 UErrorCode status = U_ZERO_ERROR;
20 while (const icu::UnicodeString* timezone = timezones->snext(status)) {
21 icu::TimeZone::adoptDefault(icu::TimeZone::createTimeZone(*timezone));
23 std::string country_code = CountryCodeForCurrentTimezone();
24 // On some systems (such as Android or some flavors of Linux), ICU may come
25 // up empty. With https://chromium-review.googlesource.com/c/512282/ , ICU
26 // will not fail any more. See also
27 // http://bugs.icu-project.org/trac/ticket/13208 . Even with that, ICU
28 // returns '001' (world) for region-agnostic timezones such as Etc/UTC and
29 // |CountryCodeForCurrentTimezone| returns an empty string so that the next
30 // fallback can be tried by a customer.
31 if (!country_code.empty())
32 EXPECT_EQ(2U, country_code.size()) << "country_code = " << country_code;
35 icu::TimeZone::adoptDefault(nullptr);