1 /*
2 * Copyright (C) 2020 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <gtest/gtest.h>
18
19 #include <unordered_set>
20 #include <vector>
21 #include <unicode/uloc.h>
22
is_enUS(const char * s)23 bool is_enUS(const char* s) {
24 return s != nullptr && std::strcmp("en_US", s) == 0;
25 }
26
TEST(Icu4cLocaleTest,test_uloc_getAvailable)27 TEST(Icu4cLocaleTest, test_uloc_getAvailable) {
28 int32_t count = uloc_countAvailable();
29 ASSERT_GT(uloc_countAvailable(), 0);
30
31 std::vector<const char*> locales(count);
32 for(int i = 0; i < count; i++) {
33 locales.push_back(uloc_getAvailable(i));
34 }
35
36 // On Android, uloc_getAvailable must contain en_US.
37 ASSERT_NE(locales.end(), std::find_if(locales.begin(), locales.end(), is_enUS));
38 }
39
TEST(Icu4cLocaleTest,test_uloc_getCountry)40 TEST(Icu4cLocaleTest, test_uloc_getCountry) {
41 char country[4];
42 UErrorCode error;
43 uloc_getCountry("en_US", country, sizeof(country), &error);
44 ASSERT_EQ(U_ZERO_ERROR, error);
45 EXPECT_STREQ("US", country);
46 }
47
TEST(Icu4cLocaleTest,test_uloc_getISOLanguages)48 TEST(Icu4cLocaleTest, test_uloc_getISOLanguages) {
49 std::unordered_set<std::string> languages;
50 const char* const* list_ptr = uloc_getISOLanguages();
51 while(*list_ptr != 0) {
52 languages.insert(*list_ptr);
53 list_ptr++;
54 }
55
56 EXPECT_TRUE(languages.find("en") != languages.end()) << "language en must be supported.";
57 }
58
TEST(Icu4cLocaleTest,test_uloc_getISOCountries)59 TEST(Icu4cLocaleTest, test_uloc_getISOCountries) {
60 std::unordered_set<std::string> countries;
61 const char* const* list_ptr = uloc_getISOCountries();
62 while(*list_ptr != 0) {
63 countries.insert(*list_ptr);
64 list_ptr++;
65 }
66
67 EXPECT_TRUE(countries.find("US") != countries.end()) << "country US must be supported.";
68 }
69