jcs.org
Serenity Operating System
1/*
2 * Copyright (c) 2021, Tim Flynn <trflynn89@serenityos.org>
3 *
4 * SPDX-License-Identifier: BSD-2-Clause
5 */
6
7#include <LibTest/TestCase.h>
8
9#include <LibLocale/Locale.h>
10
11TEST_CASE(is_unicode_language_subtag)
12{
13 EXPECT(Locale::is_unicode_language_subtag("aa"sv));
14 EXPECT(Locale::is_unicode_language_subtag("aaa"sv));
15 EXPECT(Locale::is_unicode_language_subtag("aaaaa"sv));
16 EXPECT(Locale::is_unicode_language_subtag("aaaaaa"sv));
17 EXPECT(Locale::is_unicode_language_subtag("aaaaaaa"sv));
18 EXPECT(Locale::is_unicode_language_subtag("aaaaaaaa"sv));
19
20 EXPECT(!Locale::is_unicode_language_subtag(""sv));
21 EXPECT(!Locale::is_unicode_language_subtag("a"sv));
22 EXPECT(!Locale::is_unicode_language_subtag("aaaa"sv));
23 EXPECT(!Locale::is_unicode_language_subtag("aaaaaaaaa"sv));
24 EXPECT(!Locale::is_unicode_language_subtag("123"sv));
25}
26
27TEST_CASE(is_unicode_script_subtag)
28{
29 EXPECT(Locale::is_unicode_script_subtag("aaaa"sv));
30
31 EXPECT(!Locale::is_unicode_script_subtag(""sv));
32 EXPECT(!Locale::is_unicode_script_subtag("a"sv));
33 EXPECT(!Locale::is_unicode_script_subtag("aa"sv));
34 EXPECT(!Locale::is_unicode_script_subtag("aaa"sv));
35 EXPECT(!Locale::is_unicode_script_subtag("aaaaa"sv));
36 EXPECT(!Locale::is_unicode_script_subtag("1234"sv));
37}
38
39TEST_CASE(is_unicode_region_subtag)
40{
41 EXPECT(Locale::is_unicode_region_subtag("aa"sv));
42 EXPECT(Locale::is_unicode_region_subtag("123"sv));
43
44 EXPECT(!Locale::is_unicode_region_subtag(""sv));
45 EXPECT(!Locale::is_unicode_region_subtag("a"sv));
46 EXPECT(!Locale::is_unicode_region_subtag("aaa"sv));
47 EXPECT(!Locale::is_unicode_region_subtag("12"sv));
48 EXPECT(!Locale::is_unicode_region_subtag("12a"sv));
49}
50
51TEST_CASE(is_unicode_variant_subtag)
52{
53 EXPECT(Locale::is_unicode_variant_subtag("aaaaa"sv));
54 EXPECT(Locale::is_unicode_variant_subtag("aaaaaa"sv));
55 EXPECT(Locale::is_unicode_variant_subtag("aaaaaaa"sv));
56 EXPECT(Locale::is_unicode_variant_subtag("aaaaaaaa"sv));
57
58 EXPECT(Locale::is_unicode_variant_subtag("1aaa"sv));
59 EXPECT(Locale::is_unicode_variant_subtag("12aa"sv));
60 EXPECT(Locale::is_unicode_variant_subtag("123a"sv));
61 EXPECT(Locale::is_unicode_variant_subtag("1234"sv));
62
63 EXPECT(!Locale::is_unicode_variant_subtag(""sv));
64 EXPECT(!Locale::is_unicode_variant_subtag("a"sv));
65 EXPECT(!Locale::is_unicode_variant_subtag("aa"sv));
66 EXPECT(!Locale::is_unicode_variant_subtag("aaa"sv));
67 EXPECT(!Locale::is_unicode_variant_subtag("aaaa"sv));
68 EXPECT(!Locale::is_unicode_variant_subtag("aaaaaaaaa"sv));
69 EXPECT(!Locale::is_unicode_variant_subtag("a234"sv));
70}
71
72TEST_CASE(is_type_identifier)
73{
74 EXPECT(Locale::is_type_identifier("aaaa"sv));
75 EXPECT(Locale::is_type_identifier("aaaa-bbbb"sv));
76 EXPECT(Locale::is_type_identifier("aaaa-bbbb-cccc"sv));
77
78 EXPECT(Locale::is_type_identifier("1aaa"sv));
79 EXPECT(Locale::is_type_identifier("12aa"sv));
80 EXPECT(Locale::is_type_identifier("123a"sv));
81 EXPECT(Locale::is_type_identifier("1234"sv));
82
83 EXPECT(!Locale::is_type_identifier(""sv));
84 EXPECT(!Locale::is_type_identifier("a"sv));
85 EXPECT(!Locale::is_type_identifier("aa"sv));
86 EXPECT(!Locale::is_type_identifier("aaaaaaaaa"sv));
87 EXPECT(!Locale::is_type_identifier("aaaa-"sv));
88}
89
90template<typename LHS, typename RHS>
91[[nodiscard]] static bool compare_vectors(LHS const& lhs, RHS const& rhs)
92{
93 if (lhs.size() != rhs.size())
94 return false;
95
96 for (size_t i = 0; i < lhs.size(); ++i) {
97 if (lhs[i] != rhs[i])
98 return false;
99 }
100
101 return true;
102}
103
104TEST_CASE(parse_unicode_locale_id)
105{
106 auto fail = [](StringView locale) {
107 auto locale_id = MUST(Locale::parse_unicode_locale_id(locale));
108 EXPECT(!locale_id.has_value());
109 };
110 auto pass = [](StringView locale, Optional<StringView> expected_language, Optional<StringView> expected_script, Optional<StringView> expected_region, Vector<StringView> expected_variants) {
111 auto locale_id = MUST(Locale::parse_unicode_locale_id(locale));
112 VERIFY(locale_id.has_value());
113
114 EXPECT_EQ(locale_id->language_id.language, expected_language);
115 EXPECT_EQ(locale_id->language_id.script, expected_script);
116 EXPECT_EQ(locale_id->language_id.region, expected_region);
117 EXPECT(compare_vectors(locale_id->language_id.variants, expected_variants));
118 };
119
120 fail("a"sv);
121 fail("1234"sv);
122 fail("aaa-"sv);
123 fail("aaa-cc-"sv);
124 fail("aaa-bbbb-cc-"sv);
125 fail("aaa-bbbb-cc-123"sv);
126
127 pass("aaa"sv, "aaa"sv, {}, {}, {});
128 pass("aaa-bbbb"sv, "aaa"sv, "bbbb"sv, {}, {});
129 pass("aaa-cc"sv, "aaa"sv, {}, "cc"sv, {});
130 pass("aaa-bbbb-cc"sv, "aaa"sv, "bbbb"sv, "cc"sv, {});
131 pass("aaa-bbbb-cc-1234"sv, "aaa"sv, "bbbb"sv, "cc"sv, { "1234"sv });
132 pass("aaa-bbbb-cc-1234-5678"sv, "aaa"sv, "bbbb"sv, "cc"sv, { "1234"sv, "5678"sv });
133}
134
135TEST_CASE(parse_unicode_locale_id_with_unicode_locale_extension)
136{
137 struct LocaleExtension {
138 struct Keyword {
139 StringView key {};
140 StringView value {};
141 };
142
143 Vector<StringView> attributes {};
144 Vector<Keyword> keywords {};
145 };
146
147 auto fail = [](StringView locale) {
148 auto locale_id = MUST(Locale::parse_unicode_locale_id(locale));
149 EXPECT(!locale_id.has_value());
150 };
151 auto pass = [](StringView locale, LocaleExtension const& expected_extension) {
152 auto locale_id = MUST(Locale::parse_unicode_locale_id(locale));
153 VERIFY(locale_id.has_value());
154 EXPECT_EQ(locale_id->extensions.size(), 1u);
155
156 auto const& actual_extension = locale_id->extensions[0].get<Locale::LocaleExtension>();
157 EXPECT(compare_vectors(actual_extension.attributes, expected_extension.attributes));
158 EXPECT_EQ(actual_extension.keywords.size(), expected_extension.keywords.size());
159
160 for (size_t i = 0; i < actual_extension.keywords.size(); ++i) {
161 auto const& actual_keyword = actual_extension.keywords[i];
162 auto const& expected_keyword = expected_extension.keywords[i];
163
164 EXPECT_EQ(actual_keyword.key, expected_keyword.key);
165 EXPECT_EQ(actual_keyword.value, expected_keyword.value);
166 }
167 };
168
169 fail("en-u"sv);
170 fail("en-u-"sv);
171 fail("en-u-x"sv);
172 fail("en-u-xx-"sv);
173 fail("en-u--xx"sv);
174 fail("en-u-xx-xxxxx-"sv);
175 fail("en-u-xx--xxxxx"sv);
176 fail("en-u-xx-xxxxxxxxx"sv);
177 fail("en-u-xxxxx-"sv);
178 fail("en-u-xxxxxxxxx"sv);
179
180 pass("en-u-xx"sv, { {}, { { "xx"sv, ""sv } } });
181 pass("en-u-xx-yyyy"sv, { {}, { { "xx"sv, { "yyyy"sv } } } });
182 pass("en-u-xx-yyyy-zzzz"sv, { {}, { { "xx"sv, "yyyy-zzzz"sv } } });
183 pass("en-u-xx-yyyy-zzzz-aa"sv, { {}, { { "xx"sv, "yyyy-zzzz"sv }, { "aa"sv, ""sv } } });
184 pass("en-u-xxx"sv, { { "xxx"sv }, {} });
185 pass("en-u-fff-gggg"sv, { { "fff"sv, "gggg"sv }, {} });
186 pass("en-u-fff-xx"sv, { { "fff"sv }, { { "xx"sv, ""sv } } });
187 pass("en-u-fff-xx-yyyy"sv, { { "fff"sv }, { { "xx"sv, "yyyy"sv } } });
188 pass("en-u-fff-gggg-xx-yyyy"sv, { { "fff"sv, "gggg"sv }, { { "xx"sv, "yyyy"sv } } });
189}
190
191TEST_CASE(parse_unicode_locale_id_with_transformed_extension)
192{
193 struct TransformedExtension {
194 struct LanguageID {
195 bool is_root { false };
196 Optional<StringView> language {};
197 Optional<StringView> script {};
198 Optional<StringView> region {};
199 Vector<StringView> variants {};
200 };
201
202 struct TransformedField {
203 StringView key {};
204 StringView value {};
205 };
206
207 Optional<LanguageID> language {};
208 Vector<TransformedField> fields {};
209 };
210
211 auto fail = [](StringView locale) {
212 auto locale_id = MUST(Locale::parse_unicode_locale_id(locale));
213 EXPECT(!locale_id.has_value());
214 };
215 auto pass = [](StringView locale, TransformedExtension const& expected_extension) {
216 auto locale_id = MUST(Locale::parse_unicode_locale_id(locale));
217 VERIFY(locale_id.has_value());
218 EXPECT_EQ(locale_id->extensions.size(), 1u);
219
220 auto const& actual_extension = locale_id->extensions[0].get<Locale::TransformedExtension>();
221
222 VERIFY(actual_extension.language.has_value() == expected_extension.language.has_value());
223 if (actual_extension.language.has_value()) {
224 EXPECT_EQ(actual_extension.language->language, expected_extension.language->language);
225 EXPECT_EQ(actual_extension.language->script, expected_extension.language->script);
226 EXPECT_EQ(actual_extension.language->region, expected_extension.language->region);
227 EXPECT(compare_vectors(actual_extension.language->variants, expected_extension.language->variants));
228 }
229
230 EXPECT_EQ(actual_extension.fields.size(), expected_extension.fields.size());
231
232 for (size_t i = 0; i < actual_extension.fields.size(); ++i) {
233 auto const& actual_field = actual_extension.fields[i];
234 auto const& expected_field = expected_extension.fields[i];
235
236 EXPECT_EQ(actual_field.key, expected_field.key);
237 EXPECT_EQ(actual_field.value, expected_field.value);
238 }
239 };
240
241 fail("en-t"sv);
242 fail("en-t-"sv);
243 fail("en-t-a"sv);
244 fail("en-t-en-"sv);
245 fail("en-t-root"sv);
246 fail("en-t-aaaaaaaaa"sv);
247 fail("en-t-en-aaa"sv);
248 fail("en-t-en-latn-latn"sv);
249 fail("en-t-en-a"sv);
250 fail("en-t-en-00"sv);
251 fail("en-t-en-latn-0"sv);
252 fail("en-t-en-latn-00"sv);
253 fail("en-t-en-latn-xyz"sv);
254 fail("en-t-en-aaaaaaaaa"sv);
255 fail("en-t-en-latn-gb-aaaa"sv);
256 fail("en-t-en-latn-gb-aaaaaaaaa"sv);
257 fail("en-t-k0"sv);
258 fail("en-t-k0-aa"sv);
259 fail("en-t-k0-aaaaaaaaa"sv);
260
261 pass("en-t-en"sv, { TransformedExtension::LanguageID { false, "en"sv }, {} });
262 pass("en-t-en-latn"sv, { TransformedExtension::LanguageID { false, "en"sv, "latn"sv }, {} });
263 pass("en-t-en-us"sv, { TransformedExtension::LanguageID { false, "en"sv, {}, "us"sv }, {} });
264 pass("en-t-en-latn-us"sv, { TransformedExtension::LanguageID { false, "en"sv, "latn"sv, "us"sv }, {} });
265 pass("en-t-en-posix"sv, { TransformedExtension::LanguageID { false, "en"sv, {}, {}, { "posix"sv } }, {} });
266 pass("en-t-en-latn-posix"sv, { TransformedExtension::LanguageID { false, "en"sv, "latn"sv, {}, { "posix"sv } }, {} });
267 pass("en-t-en-us-posix"sv, { TransformedExtension::LanguageID { false, "en"sv, {}, "us"sv, { "posix"sv } }, {} });
268 pass("en-t-en-latn-us-posix"sv, { TransformedExtension::LanguageID { false, "en"sv, "latn"sv, "us"sv, { "posix"sv } }, {} });
269 pass("en-t-k0-aaa"sv, { {}, { { "k0"sv, { "aaa"sv } } } });
270 pass("en-t-k0-aaa-bbbb"sv, { {}, { { "k0"sv, "aaa-bbbb"sv } } });
271 pass("en-t-k0-aaa-k1-bbbb"sv, { {}, { { "k0"sv, { "aaa"sv } }, { "k1"sv, "bbbb"sv } } });
272 pass("en-t-en-k0-aaa"sv, { TransformedExtension::LanguageID { false, "en"sv }, { { "k0"sv, "aaa"sv } } });
273}
274
275TEST_CASE(parse_unicode_locale_id_with_other_extension)
276{
277 struct OtherExtension {
278 char key {};
279 StringView value {};
280 };
281
282 auto fail = [](StringView locale) {
283 auto locale_id = MUST(Locale::parse_unicode_locale_id(locale));
284 EXPECT(!locale_id.has_value());
285 };
286 auto pass = [](StringView locale, OtherExtension const& expected_extension) {
287 auto locale_id = MUST(Locale::parse_unicode_locale_id(locale));
288 VERIFY(locale_id.has_value());
289 EXPECT_EQ(locale_id->extensions.size(), 1u);
290
291 auto const& actual_extension = locale_id->extensions[0].get<Locale::OtherExtension>();
292 EXPECT_EQ(actual_extension.key, expected_extension.key);
293 EXPECT_EQ(actual_extension.value, expected_extension.value);
294 };
295
296 fail("en-z"sv);
297 fail("en-0"sv);
298 fail("en-z-"sv);
299 fail("en-0-"sv);
300 fail("en-z-a"sv);
301 fail("en-0-a"sv);
302 fail("en-z-aaaaaaaaa"sv);
303 fail("en-0-aaaaaaaaa"sv);
304 fail("en-z-aaa-"sv);
305 fail("en-0-aaa-"sv);
306 fail("en-z-aaa-a"sv);
307 fail("en-0-aaa-a"sv);
308
309 pass("en-z-aa"sv, { 'z', "aa"sv });
310 pass("en-z-aa-bbb"sv, { 'z', "aa-bbb"sv });
311 pass("en-z-aa-bbb-cccccccc"sv, { 'z', "aa-bbb-cccccccc"sv });
312}
313
314TEST_CASE(parse_unicode_locale_id_with_private_use_extension)
315{
316 auto fail = [](StringView locale) {
317 auto locale_id = MUST(Locale::parse_unicode_locale_id(locale));
318 EXPECT(!locale_id.has_value());
319 };
320 auto pass = [](StringView locale, Vector<StringView> const& expected_extension) {
321 auto locale_id = MUST(Locale::parse_unicode_locale_id(locale));
322 VERIFY(locale_id.has_value());
323 EXPECT(compare_vectors(locale_id->private_use_extensions, expected_extension));
324 };
325
326 fail("en-x"sv);
327 fail("en-x-"sv);
328 fail("en-x-aaaaaaaaa"sv);
329 fail("en-x-aaa-"sv);
330 fail("en-x-aaa-aaaaaaaaa"sv);
331
332 pass("en-x-a"sv, { "a"sv });
333 pass("en-x-aaaaaaaa"sv, { "aaaaaaaa"sv });
334 pass("en-x-aaa-bbb"sv, { "aaa"sv, "bbb"sv });
335 pass("en-x-aaa-x-bbb"sv, { "aaa"sv, "x"sv, "bbb"sv });
336}
337
338TEST_CASE(canonicalize_unicode_locale_id)
339{
340 auto test = [](StringView locale, StringView expected_canonical_locale) {
341 auto locale_id = MUST(Locale::parse_unicode_locale_id(locale));
342 VERIFY(locale_id.has_value());
343
344 auto canonical_locale = MUST(Locale::canonicalize_unicode_locale_id(*locale_id));
345 EXPECT_EQ(*canonical_locale, expected_canonical_locale);
346 };
347
348 test("aaa"sv, "aaa"sv);
349 test("AaA"sv, "aaa"sv);
350 test("aaa-bbbb"sv, "aaa-Bbbb"sv);
351 test("aaa-cc"sv, "aaa-CC"sv);
352 test("aaa-bBBB-cC"sv, "aaa-Bbbb-CC"sv);
353 test("aaa-bbbb-cc-1234"sv, "aaa-Bbbb-CC-1234"sv);
354 test("aaa-bbbb-cc-ABCDE"sv, "aaa-Bbbb-CC-abcde"sv);
355
356 test("en-u-aa"sv, "en-u-aa"sv);
357 test("EN-U-AA"sv, "en-u-aa"sv);
358 test("en-u-aa-bbb"sv, "en-u-aa-bbb"sv);
359 test("EN-U-AA-BBB"sv, "en-u-aa-bbb"sv);
360 test("en-u-aa-ccc-bbb"sv, "en-u-aa-ccc-bbb"sv);
361 test("EN-U-AA-CCC-BBB"sv, "en-u-aa-ccc-bbb"sv);
362 test("en-u-ddd-bbb-ccc"sv, "en-u-bbb-ccc-ddd"sv);
363 test("EN-U-DDD-BBB-CCC"sv, "en-u-bbb-ccc-ddd"sv);
364 test("en-u-2k-aaa-1k-bbb"sv, "en-u-1k-bbb-2k-aaa"sv);
365 test("EN-U-2K-AAA-1K-BBB"sv, "en-u-1k-bbb-2k-aaa"sv);
366 test("en-u-ccc-bbb-2k-aaa-1k-bbb"sv, "en-u-bbb-ccc-1k-bbb-2k-aaa"sv);
367 test("EN-U-CCC-BBB-2K-AAA-1K-BBB"sv, "en-u-bbb-ccc-1k-bbb-2k-aaa"sv);
368 test("en-u-1k-true"sv, "en-u-1k"sv);
369 test("EN-U-1K-TRUE"sv, "en-u-1k"sv);
370 test("en-u-1k-true-abcd"sv, "en-u-1k-true-abcd"sv);
371 test("EN-U-1K-TRUE-ABCD"sv, "en-u-1k-true-abcd"sv);
372 test("en-u-kb-yes"sv, "en-u-kb"sv);
373 test("EN-U-KB-YES"sv, "en-u-kb"sv);
374 test("en-u-kb-yes-abcd"sv, "en-u-kb-yes-abcd"sv);
375 test("EN-U-KB-YES-ABCD"sv, "en-u-kb-yes-abcd"sv);
376 test("en-u-ka-yes"sv, "en-u-ka-yes"sv);
377 test("EN-U-KA-YES"sv, "en-u-ka-yes"sv);
378 test("en-u-1k-names"sv, "en-u-1k-names"sv);
379 test("EN-U-1K-NAMES"sv, "en-u-1k-names"sv);
380 test("en-u-ks-primary"sv, "en-u-ks-level1"sv);
381 test("EN-U-KS-PRIMARY"sv, "en-u-ks-level1"sv);
382 test("en-u-ka-primary"sv, "en-u-ka-primary"sv);
383 test("EN-U-KA-PRIMARY"sv, "en-u-ka-primary"sv);
384 test("en-u-ms-imperial"sv, "en-u-ms-uksystem"sv);
385 test("EN-U-MS-IMPERIAL"sv, "en-u-ms-uksystem"sv);
386 test("en-u-ma-imperial"sv, "en-u-ma-imperial"sv);
387 test("EN-U-MA-IMPERIAL"sv, "en-u-ma-imperial"sv);
388 test("en-u-tz-hongkong"sv, "en-u-tz-hkhkg"sv);
389 test("EN-U-TZ-HONGKONG"sv, "en-u-tz-hkhkg"sv);
390 test("en-u-ta-hongkong"sv, "en-u-ta-hongkong"sv);
391 test("EN-U-TA-HONGKONG"sv, "en-u-ta-hongkong"sv);
392 test("en-u-ca-ethiopic-amete-alem"sv, "en-u-ca-ethioaa"sv);
393 test("EN-U-CA-ETHIOPIC-AMETE-ALEM"sv, "en-u-ca-ethioaa"sv);
394 test("en-u-ca-alem-ethiopic-amete"sv, "en-u-ca-alem-ethiopic-amete"sv);
395 test("EN-U-CA-ALEM-ETHIOPIC-AMETE"sv, "en-u-ca-alem-ethiopic-amete"sv);
396 test("en-u-ca-ethiopic-amete-xxx-alem"sv, "en-u-ca-ethiopic-amete-xxx-alem"sv);
397 test("EN-U-CA-ETHIOPIC-AMETE-XXX-ALEM"sv, "en-u-ca-ethiopic-amete-xxx-alem"sv);
398 test("en-u-cb-ethiopic-amete-alem"sv, "en-u-cb-ethiopic-amete-alem"sv);
399 test("EN-U-CB-ETHIOPIC-AMETE-ALEM"sv, "en-u-cb-ethiopic-amete-alem"sv);
400
401 test("en-t-en"sv, "en-t-en"sv);
402 test("EN-T-EN"sv, "en-t-en"sv);
403 test("en-latn-t-en-latn"sv, "en-Latn-t-en-latn"sv);
404 test("EN-LATN-T-EN-LATN"sv, "en-Latn-t-en-latn"sv);
405 test("en-us-t-en-us"sv, "en-US-t-en-us"sv);
406 test("EN-US-T-EN-US"sv, "en-US-t-en-us"sv);
407 test("en-latn-us-t-en-latn-us"sv, "en-Latn-US-t-en-latn-us"sv);
408 test("EN-LATN-US-T-EN-LATN-US"sv, "en-Latn-US-t-en-latn-us"sv);
409 test("en-t-en-k2-bbb-k1-aaa"sv, "en-t-en-k1-aaa-k2-bbb"sv);
410 test("EN-T-EN-K2-BBB-K1-AAA"sv, "en-t-en-k1-aaa-k2-bbb"sv);
411 test("en-t-k1-true"sv, "en-t-k1-true"sv);
412 test("EN-T-K1-TRUE"sv, "en-t-k1-true"sv);
413 test("en-t-k1-yes"sv, "en-t-k1-yes"sv);
414 test("EN-T-K1-YES"sv, "en-t-k1-yes"sv);
415 test("en-t-m0-names"sv, "en-t-m0-prprname"sv);
416 test("EN-T-M0-NAMES"sv, "en-t-m0-prprname"sv);
417 test("en-t-k1-names"sv, "en-t-k1-names"sv);
418 test("EN-T-K1-NAMES"sv, "en-t-k1-names"sv);
419 test("en-t-k1-primary"sv, "en-t-k1-primary"sv);
420 test("EN-T-K1-PRIMARY"sv, "en-t-k1-primary"sv);
421 test("en-t-k1-imperial"sv, "en-t-k1-imperial"sv);
422 test("EN-T-K1-IMPERIAL"sv, "en-t-k1-imperial"sv);
423 test("en-t-k1-hongkong"sv, "en-t-k1-hongkong"sv);
424 test("EN-T-K1-HONGKONG"sv, "en-t-k1-hongkong"sv);
425 test("en-t-k1-ethiopic-amete-alem"sv, "en-t-k1-ethiopic-amete-alem"sv);
426 test("EN-T-K1-ETHIOPIC-AMETE-ALEM"sv, "en-t-k1-ethiopic-amete-alem"sv);
427
428 test("en-0-aaa"sv, "en-0-aaa"sv);
429 test("EN-0-AAA"sv, "en-0-aaa"sv);
430 test("en-0-bbb-aaa"sv, "en-0-bbb-aaa"sv);
431 test("EN-0-BBB-AAA"sv, "en-0-bbb-aaa"sv);
432 test("en-z-bbb-0-aaa"sv, "en-0-aaa-z-bbb"sv);
433 test("EN-Z-BBB-0-AAA"sv, "en-0-aaa-z-bbb"sv);
434
435 test("en-x-aa"sv, "en-x-aa"sv);
436 test("EN-X-AA"sv, "en-x-aa"sv);
437 test("en-x-bbb-aa"sv, "en-x-bbb-aa"sv);
438 test("EN-X-BBB-AA"sv, "en-x-bbb-aa"sv);
439
440 test("en-u-aa-t-en"sv, "en-t-en-u-aa"sv);
441 test("EN-U-AA-T-EN"sv, "en-t-en-u-aa"sv);
442 test("en-z-bbb-u-aa-t-en-0-aaa"sv, "en-0-aaa-t-en-u-aa-z-bbb"sv);
443 test("EN-Z-BBB-U-AA-T-EN-0-AAA"sv, "en-0-aaa-t-en-u-aa-z-bbb"sv);
444 test("en-z-bbb-u-aa-t-en-0-aaa-x-ccc"sv, "en-0-aaa-t-en-u-aa-z-bbb-x-ccc"sv);
445 test("EN-Z-BBB-U-AA-T-EN-0-AAA-X-CCC"sv, "en-0-aaa-t-en-u-aa-z-bbb-x-ccc"sv);
446
447 // Language subtag aliases.
448 test("sh"sv, "sr-Latn"sv);
449 test("SH"sv, "sr-Latn"sv);
450 test("sh-cyrl"sv, "sr-Cyrl"sv);
451 test("SH-CYRL"sv, "sr-Cyrl"sv);
452 test("cnr"sv, "sr-ME"sv);
453 test("CNR"sv, "sr-ME"sv);
454 test("cnr-ba"sv, "sr-BA"sv);
455 test("CNR-BA"sv, "sr-BA"sv);
456
457 // Territory subtag aliases.
458 test("ru-su"sv, "ru-RU"sv);
459 test("RU-SU"sv, "ru-RU"sv);
460 test("ru-810"sv, "ru-RU"sv);
461 test("RU-810"sv, "ru-RU"sv);
462 test("en-su"sv, "en-RU"sv);
463 test("EN-SU"sv, "en-RU"sv);
464 test("en-810"sv, "en-RU"sv);
465 test("EN-810"sv, "en-RU"sv);
466 test("hy-su"sv, "hy-AM"sv);
467 test("HY-SU"sv, "hy-AM"sv);
468 test("hy-810"sv, "hy-AM"sv);
469 test("HY-810"sv, "hy-AM"sv);
470 test("und-Armn-su"sv, "und-Armn-AM"sv);
471 test("UND-ARMN-SU"sv, "und-Armn-AM"sv);
472 test("und-Armn-810"sv, "und-Armn-AM"sv);
473 test("UND-ARMN-810"sv, "und-Armn-AM"sv);
474
475 // Script subtag aliases.
476 test("en-qaai"sv, "en-Zinh"sv);
477 test("EN-QAAI"sv, "en-Zinh"sv);
478
479 // Variant subtag aliases.
480 test("en-polytoni"sv, "en-polyton"sv);
481 test("EN-POLYTONI"sv, "en-polyton"sv);
482
483 // Subdivision subtag aliases.
484 test("en-u-sd-cn11"sv, "en-u-sd-cnbj"sv);
485 test("EN-U-SD-CN11"sv, "en-u-sd-cnbj"sv);
486 test("en-u-rg-cn12"sv, "en-u-rg-cntj"sv);
487 test("EN-U-RG-CN12"sv, "en-u-rg-cntj"sv);
488 test("en-u-aa-cn11"sv, "en-u-aa-cn11"sv);
489 test("EN-U-AA-CN11"sv, "en-u-aa-cn11"sv);
490
491 // Complex aliases.
492 test("en-lojban"sv, "en"sv);
493 test("EN-LOJBAN"sv, "en"sv);
494 test("art-lojban"sv, "jbo"sv);
495 test("ART-LOJBAN"sv, "jbo"sv);
496 test("cel-gaulish"sv, "xtg"sv);
497 test("CEL-GAULISH"sv, "xtg"sv);
498 test("zh-guoyu"sv, "zh"sv);
499 test("ZH-GUOYU"sv, "zh"sv);
500 test("zh-hakka"sv, "hak"sv);
501 test("ZH-HAKKA"sv, "hak"sv);
502 test("zh-xiang"sv, "hsn"sv);
503 test("ZH-XIANG"sv, "hsn"sv);
504 test("ja-latn-hepburn-heploc"sv, "ja-Latn-alalc97"sv);
505 test("JA-LATN-HEPBURN-HEPLOC"sv, "ja-Latn-alalc97"sv);
506
507 // Default content.
508 test("en-us"sv, "en-US"sv);
509 test("EN-US"sv, "en-US"sv);
510 test("zh-Hans-CN"sv, "zh-Hans-CN"sv);
511 test("ZH-HANS-CN"sv, "zh-Hans-CN"sv);
512}
513
514TEST_CASE(supports_locale_aliases)
515{
516 EXPECT(Locale::is_locale_available("zh"sv));
517 EXPECT(Locale::is_locale_available("zh-Hant"sv));
518 EXPECT(Locale::is_locale_available("zh-TW"sv));
519 EXPECT(Locale::is_locale_available("zh-Hant-TW"sv));
520}