ConfigLocale_test.cpp revision b927c559e1ef8530b08712507f320502627db298 
1/*
2 * Copyright (C) 2014 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 <androidfw/LocaleData.h>
18#include <androidfw/ResourceTypes.h>
19#include <utils/Log.h>
20#include <utils/String8.h>
21
22#include <gtest/gtest.h>
23namespace android {
24
25TEST(ConfigLocaleTest, packAndUnpack2LetterLanguage) {
26     ResTable_config config;
27     config.packLanguage("en");
28
29     EXPECT_EQ('e', config.language[0]);
30     EXPECT_EQ('n', config.language[1]);
31
32     char out[4] = {1, 1, 1, 1};
33     config.unpackLanguage(out);
34     EXPECT_EQ('e', out[0]);
35     EXPECT_EQ('n', out[1]);
36     EXPECT_EQ(0, out[2]);
37     EXPECT_EQ(0, out[3]);
38
39     memset(out, 1, sizeof(out));
40     config.locale = 0;
41     config.unpackLanguage(out);
42     EXPECT_EQ(0, out[0]);
43     EXPECT_EQ(0, out[1]);
44     EXPECT_EQ(0, out[2]);
45     EXPECT_EQ(0, out[3]);
46}
47
48TEST(ConfigLocaleTest, packAndUnpack2LetterRegion) {
49     ResTable_config config;
50     config.packRegion("US");
51
52     EXPECT_EQ('U', config.country[0]);
53     EXPECT_EQ('S', config.country[1]);
54
55     char out[4] = {1, 1, 1, 1};
56     config.unpackRegion(out);
57     EXPECT_EQ('U', out[0]);
58     EXPECT_EQ('S', out[1]);
59     EXPECT_EQ(0, out[2]);
60     EXPECT_EQ(0, out[3]);
61}
62
63TEST(ConfigLocaleTest, packAndUnpack3LetterLanguage) {
64     ResTable_config config;
65     config.packLanguage("eng");
66
67     // 1-00110-01 101-00100
68     EXPECT_EQ('\x99', config.language[0]);
69     EXPECT_EQ('\xA4', config.language[1]);
70
71     char out[4] = {1, 1, 1, 1};
72     config.unpackLanguage(out);
73     EXPECT_EQ('e', out[0]);
74     EXPECT_EQ('n', out[1]);
75     EXPECT_EQ('g', out[2]);
76     EXPECT_EQ(0, out[3]);
77}
78
79TEST(ConfigLocaleTest, packAndUnpack3LetterLanguageAtOffset16) {
80     ResTable_config config;
81     config.packLanguage("tgp");
82
83     // We had a bug where we would accidentally mask
84     // the 5th bit of both bytes
85     //
86     // packed[0] = 1011 1100
87     // packed[1] = 1101 0011
88     //
89     // which is equivalent to:
90     // 1  [0]   [1]   [2]
91     // 1-01111-00110-10011
92     EXPECT_EQ(char(0xbc), config.language[0]);
93     EXPECT_EQ(char(0xd3), config.language[1]);
94
95     char out[4] = {1, 1, 1, 1};
96     config.unpackLanguage(out);
97     EXPECT_EQ('t', out[0]);
98     EXPECT_EQ('g', out[1]);
99     EXPECT_EQ('p', out[2]);
100     EXPECT_EQ(0, out[3]);
101}
102
103TEST(ConfigLocaleTest, packAndUnpack3LetterRegion) {
104     ResTable_config config;
105     config.packRegion("419");
106
107     char out[4] = {1, 1, 1, 1};
108     config.unpackRegion(out);
109
110     EXPECT_EQ('4', out[0]);
111     EXPECT_EQ('1', out[1]);
112     EXPECT_EQ('9', out[2]);
113}
114
115/* static */ void fillIn(const char* lang, const char* country,
116        const char* script, const char* variant, ResTable_config* out) {
117     memset(out, 0, sizeof(ResTable_config));
118     if (lang != NULL) {
119         out->packLanguage(lang);
120     }
121
122     if (country != NULL) {
123         out->packRegion(country);
124     }
125
126     if (script != NULL) {
127         memcpy(out->localeScript, script, 4);
128         out->localeScriptWasProvided = true;
129     } else {
130         out->computeScript();
131         out->localeScriptWasProvided = false;
132     }
133
134     if (variant != NULL) {
135         memcpy(out->localeVariant, variant, strlen(variant));
136     }
137}
138
139TEST(ConfigLocaleTest, IsMoreSpecificThan) {
140    ResTable_config l;
141    ResTable_config r;
142
143    fillIn("en", NULL, NULL, NULL, &l);
144    fillIn(NULL, NULL, NULL, NULL, &r);
145
146    EXPECT_TRUE(l.isMoreSpecificThan(r));
147    EXPECT_FALSE(r.isMoreSpecificThan(l));
148
149    fillIn("eng", NULL, NULL, NULL, &l);
150    EXPECT_TRUE(l.isMoreSpecificThan(r));
151    EXPECT_FALSE(r.isMoreSpecificThan(l));
152
153    fillIn("eng", "419", NULL, NULL, &r);
154    EXPECT_FALSE(l.isMoreSpecificThan(r));
155    EXPECT_TRUE(r.isMoreSpecificThan(l));
156
157    fillIn("en", NULL, NULL, NULL, &l);
158    fillIn("en", "US", NULL, NULL, &r);
159    EXPECT_FALSE(l.isMoreSpecificThan(r));
160    EXPECT_TRUE(r.isMoreSpecificThan(l));
161
162    fillIn("en", "US", NULL, NULL, &l);
163    fillIn("en", "US", "Latn", NULL, &r);
164    EXPECT_FALSE(l.isMoreSpecificThan(r));
165    EXPECT_TRUE(r.isMoreSpecificThan(l));
166
167    fillIn("en", "US", NULL, NULL, &l);
168    fillIn("en", "US", NULL, "POSIX", &r);
169    EXPECT_FALSE(l.isMoreSpecificThan(r));
170    EXPECT_TRUE(r.isMoreSpecificThan(l));
171
172    fillIn("en", "US", "Latn", NULL, &l);
173    fillIn("en", "US", NULL, "POSIX", &r);
174    EXPECT_FALSE(l.isMoreSpecificThan(r));
175    EXPECT_TRUE(r.isMoreSpecificThan(l));
176}
177
178TEST(ConfigLocaleTest, setLocale) {
179    ResTable_config test;
180    test.setBcp47Locale("en-US");
181    EXPECT_EQ('e', test.language[0]);
182    EXPECT_EQ('n', test.language[1]);
183    EXPECT_EQ('U', test.country[0]);
184    EXPECT_EQ('S', test.country[1]);
185    EXPECT_FALSE(test.localeScriptWasProvided);
186    EXPECT_EQ(0, memcmp("Latn", test.localeScript, 4));
187    EXPECT_EQ(0, test.localeVariant[0]);
188
189    test.setBcp47Locale("eng-419");
190    char out[4] = {1, 1, 1, 1};
191    test.unpackLanguage(out);
192    EXPECT_EQ('e', out[0]);
193    EXPECT_EQ('n', out[1]);
194    EXPECT_EQ('g', out[2]);
195    EXPECT_EQ(0, out[3]);
196    memset(out, 1, 4);
197    test.unpackRegion(out);
198    EXPECT_EQ('4', out[0]);
199    EXPECT_EQ('1', out[1]);
200    EXPECT_EQ('9', out[2]);
201
202    test.setBcp47Locale("en-Latn-419");
203    EXPECT_EQ('e', test.language[0]);
204    EXPECT_EQ('n', test.language[1]);
205    EXPECT_EQ(0, memcmp("Latn", test.localeScript, 4));
206    EXPECT_TRUE(test.localeScriptWasProvided);
207    memset(out, 1, 4);
208    test.unpackRegion(out);
209    EXPECT_EQ('4', out[0]);
210    EXPECT_EQ('1', out[1]);
211    EXPECT_EQ('9', out[2]);
212
213    test.setBcp47Locale("de-1901");
214    memset(out, 1, 4);
215    test.unpackLanguage(out);
216    EXPECT_EQ('d', out[0]);
217    EXPECT_EQ('e', out[1]);
218    EXPECT_EQ('\0', out[2]);
219    EXPECT_FALSE(test.localeScriptWasProvided);
220    EXPECT_EQ(0, memcmp("Latn", test.localeScript, 4));
221    memset(out, 1, 4);
222    test.unpackRegion(out);
223    EXPECT_EQ('\0', out[0]);
224    EXPECT_EQ(0, strcmp("1901", test.localeVariant));
225
226    test.setBcp47Locale("de-Latn-1901");
227    memset(out, 1, 4);
228    test.unpackLanguage(out);
229    EXPECT_EQ('d', out[0]);
230    EXPECT_EQ('e', out[1]);
231    EXPECT_EQ('\0', out[2]);
232    EXPECT_TRUE(test.localeScriptWasProvided);
233    EXPECT_EQ(0, memcmp("Latn", test.localeScript, 4));
234    memset(out, 1, 4);
235    test.unpackRegion(out);
236    EXPECT_EQ('\0', out[0]);
237    EXPECT_EQ(0, strcmp("1901", test.localeVariant));
238}
239
240TEST(ConfigLocaleTest, computeScript) {
241    ResTable_config config;
242
243    fillIn(NULL, NULL, NULL, NULL, &config);
244    EXPECT_EQ(0, memcmp("\0\0\0\0", config.localeScript, 4));
245
246    fillIn("zh", "TW", NULL, NULL, &config);
247    EXPECT_EQ(0, memcmp("Hant", config.localeScript, 4));
248
249    fillIn("zh", "CN", NULL, NULL, &config);
250    EXPECT_EQ(0, memcmp("Hans", config.localeScript, 4));
251
252    fillIn("az", NULL, NULL, NULL, &config);
253    EXPECT_EQ(0, memcmp("Latn", config.localeScript, 4));
254
255    fillIn("az", "AZ", NULL, NULL, &config);
256    EXPECT_EQ(0, memcmp("Latn", config.localeScript, 4));
257
258    fillIn("az", "IR", NULL, NULL, &config);
259    EXPECT_EQ(0, memcmp("Arab", config.localeScript, 4));
260
261    fillIn("peo", NULL, NULL, NULL, &config);
262    EXPECT_EQ(0, memcmp("Xpeo", config.localeScript, 4));
263
264    fillIn("qaa", NULL, NULL, NULL, &config);
265    EXPECT_EQ(0, memcmp("\0\0\0\0", config.localeScript, 4));
266}
267
268TEST(ConfigLocaleTest, getBcp47Locale_script) {
269    ResTable_config config;
270    fillIn("en", NULL, "Latn", NULL, &config);
271
272    char out[RESTABLE_MAX_LOCALE_LEN];
273    config.localeScriptWasProvided = true;
274    config.getBcp47Locale(out);
275    EXPECT_EQ(0, strcmp("en-Latn", out));
276
277    config.localeScriptWasProvided = false;
278    config.getBcp47Locale(out);
279    EXPECT_EQ(0, strcmp("en", out));
280}
281
282TEST(ConfigLocaleTest, match) {
283    ResTable_config supported, requested;
284
285    fillIn(NULL, NULL, NULL, NULL, &supported);
286    fillIn("fr", "CA", NULL, NULL, &requested);
287    // Empty locale matches everything (as a default).
288    EXPECT_TRUE(supported.match(requested));
289
290    fillIn("en", "CA", NULL, NULL, &supported);
291    fillIn("fr", "CA", NULL, NULL, &requested);
292    // Different languages don't match.
293    EXPECT_FALSE(supported.match(requested));
294
295    fillIn("qaa", "FR", NULL, NULL, &supported);
296    fillIn("qaa", "CA", NULL, NULL, &requested);
297    // If we can't infer the scripts, different regions don't match.
298    EXPECT_FALSE(supported.match(requested));
299
300    fillIn("qaa", "FR", "Latn", NULL, &supported);
301    fillIn("qaa", "CA", NULL, NULL, &requested);
302    // If we can't infer any of the scripts, different regions don't match.
303    EXPECT_FALSE(supported.match(requested));
304
305    fillIn("qaa", "FR", NULL, NULL, &supported);
306    fillIn("qaa", "CA", "Latn", NULL, &requested);
307    // If we can't infer any of the scripts, different regions don't match.
308    EXPECT_FALSE(supported.match(requested));
309
310    fillIn("qaa", NULL, NULL, NULL, &supported);
311    fillIn("qaa", "CA", NULL, NULL, &requested);
312    // language-only resources still support language+region requests, even if we can't infer the
313    // script.
314    EXPECT_TRUE(supported.match(requested));
315
316    fillIn("qaa", "CA", NULL, NULL, &supported);
317    fillIn("qaa", "CA", NULL, NULL, &requested);
318    // Even if we can't infer the scripts, exactly equal locales match.
319    EXPECT_TRUE(supported.match(requested));
320
321    fillIn("az", NULL, NULL, NULL, &supported);
322    fillIn("az", NULL, "Latn", NULL, &requested);
323    // If the resolved scripts are the same, it doesn't matter if they were explicitly provided
324    // or not, and they match.
325    EXPECT_TRUE(supported.match(requested));
326
327    fillIn("az", NULL, NULL, NULL, &supported);
328    fillIn("az", NULL, "Cyrl", NULL, &requested);
329    // If the resolved scripts are different, they don't match.
330    EXPECT_FALSE(supported.match(requested));
331
332    fillIn("az", NULL, NULL, NULL, &supported);
333    fillIn("az", "IR", NULL, NULL, &requested);
334    // If the resolved scripts are different, they don't match.
335    EXPECT_FALSE(supported.match(requested));
336
337    fillIn("az", "IR", NULL, NULL, &supported);
338    fillIn("az", NULL, "Arab", NULL, &requested);
339    // If the resolved scripts are the same, it doesn't matter if they were explicitly provided
340    // or not, and they match.
341    EXPECT_TRUE(supported.match(requested));
342
343    fillIn("en", NULL, NULL, NULL, &supported);
344    fillIn("en", "XA", NULL, NULL, &requested);
345    // en-XA is a pseudo-locale, and English resources are not a match for it.
346    EXPECT_FALSE(supported.match(requested));
347
348    fillIn("en", "XA", NULL, NULL, &supported);
349    fillIn("en", NULL, NULL, NULL, &requested);
350    // en-XA is a pseudo-locale, and its resources don't support English locales.
351    EXPECT_FALSE(supported.match(requested));
352
353    fillIn("en", "XA", NULL, NULL, &supported);
354    fillIn("en", "XA", NULL, NULL, &requested);
355    // Even if they are pseudo-locales, exactly equal locales match.
356    EXPECT_TRUE(supported.match(requested));
357
358    fillIn("ar", NULL, NULL, NULL, &supported);
359    fillIn("ar", "XB", NULL, NULL, &requested);
360    // ar-XB is a pseudo-locale, and Arabic resources are not a match for it.
361    EXPECT_FALSE(supported.match(requested));
362
363    fillIn("ar", "XB", NULL, NULL, &supported);
364    fillIn("ar", NULL, NULL, NULL, &requested);
365    // ar-XB is a pseudo-locale, and its resources don't support Arabic locales.
366    EXPECT_FALSE(supported.match(requested));
367
368    fillIn("ar", "XB", NULL, NULL, &supported);
369    fillIn("ar", "XB", NULL, NULL, &requested);
370    // Even if they are pseudo-locales, exactly equal locales match.
371    EXPECT_TRUE(supported.match(requested));
372}
373
374TEST(ConfigLocaleTest, isLocaleBetterThan_basics) {
375    ResTable_config config1, config2, request;
376
377    fillIn(NULL, NULL, NULL, NULL, &request);
378    fillIn("fr", "FR", NULL, NULL, &config1);
379    fillIn("fr", "CA", NULL, NULL, &config2);
380    EXPECT_FALSE(config1.isLocaleBetterThan(config2, &request));
381    EXPECT_FALSE(config2.isLocaleBetterThan(config1, &request));
382
383    fillIn("fr", "CA", NULL, NULL, &request);
384    fillIn(NULL, NULL, NULL, NULL, &config1);
385    fillIn(NULL, NULL, NULL, NULL, &config2);
386    EXPECT_FALSE(config1.isLocaleBetterThan(config2, &request));
387    EXPECT_FALSE(config2.isLocaleBetterThan(config1, &request));
388
389    fillIn("fr", "CA", NULL, NULL, &request);
390    fillIn("fr", "FR", NULL, NULL, &config1);
391    fillIn(NULL, NULL, NULL, NULL, &config2);
392    EXPECT_TRUE(config1.isLocaleBetterThan(config2, &request));
393    EXPECT_FALSE(config2.isLocaleBetterThan(config1, &request));
394
395    fillIn("de", "DE", NULL, NULL, &request);
396    fillIn("de", "DE", NULL, "1901", &config1);
397    fillIn("de", "DE", NULL, "1996", &config2);
398    EXPECT_FALSE(config1.isLocaleBetterThan(config2, &request));
399    EXPECT_FALSE(config2.isLocaleBetterThan(config1, &request));
400
401    fillIn("de", "DE", NULL, "1901", &request);
402    fillIn("de", "DE", NULL, "1901", &config1);
403    fillIn("de", "DE", NULL, NULL, &config2);
404    EXPECT_TRUE(config1.isLocaleBetterThan(config2, &request));
405    EXPECT_FALSE(config2.isLocaleBetterThan(config1, &request));
406
407    fillIn("de", "DE", NULL, "1901", &request);
408    fillIn("de", "DE", NULL, "1996", &config1);
409    fillIn("de", "DE", NULL, NULL, &config2);
410    EXPECT_FALSE(config1.isLocaleBetterThan(config2, &request));
411    EXPECT_FALSE(config2.isLocaleBetterThan(config1, &request));
412}
413
414TEST(ConfigLocaleTest, isLocaleBetterThan_regionComparison) {
415    ResTable_config config1, config2, request;
416
417    fillIn("es", "AR", NULL, NULL, &request);
418    fillIn("es", "419", NULL, NULL, &config1);
419    fillIn("es", "419", NULL, NULL, &config2);
420    // Both supported locales are the same, so none is better than the other.
421    EXPECT_FALSE(config1.isLocaleBetterThan(config2, &request));
422    EXPECT_FALSE(config2.isLocaleBetterThan(config1, &request));
423
424    fillIn("es", "AR", NULL, NULL, &request);
425    fillIn("es", "AR", NULL, NULL, &config1);
426    fillIn("es", "419", NULL, NULL, &config2);
427    // An exact locale match is better than a parent.
428    EXPECT_TRUE(config1.isLocaleBetterThan(config2, &request));
429    EXPECT_FALSE(config2.isLocaleBetterThan(config1, &request));
430
431    fillIn("es", "AR", NULL, NULL, &request);
432    fillIn("es", "419", NULL, NULL, &config1);
433    fillIn("es", NULL, NULL, NULL, &config2);
434    // A closer parent is better.
435    EXPECT_TRUE(config1.isLocaleBetterThan(config2, &request));
436    EXPECT_FALSE(config2.isLocaleBetterThan(config1, &request));
437
438    fillIn("es", "AR", NULL, NULL, &request);
439    fillIn("es", "419", NULL, NULL, &config1);
440    fillIn("es", "ES", NULL, NULL, &config2);
441    // A parent is better than a non-parent representative locale.
442    EXPECT_TRUE(config1.isLocaleBetterThan(config2, &request));
443    EXPECT_FALSE(config2.isLocaleBetterThan(config1, &request));
444
445    fillIn("es", "AR", NULL, NULL, &request);
446    fillIn("es", NULL, NULL, NULL, &config1);
447    fillIn("es", "ES", NULL, NULL, &config2);
448    // A parent is better than a non-parent representative locale.
449    EXPECT_TRUE(config1.isLocaleBetterThan(config2, &request));
450    EXPECT_FALSE(config2.isLocaleBetterThan(config1, &request));
451
452    fillIn("es", "AR", NULL, NULL, &request);
453    fillIn("es", "PE", NULL, NULL, &config1);
454    fillIn("es", "ES", NULL, NULL, &config2);
455    // A closer locale is better.
456    EXPECT_TRUE(config1.isLocaleBetterThan(config2, &request));
457    EXPECT_FALSE(config2.isLocaleBetterThan(config1, &request));
458
459    fillIn("es", "AR", NULL, NULL, &request);
460    fillIn("es", "MX", NULL, NULL, &config1);
461    fillIn("es", "BO", NULL, NULL, &config2);
462    // A representative locale is better if they are equidistant.
463    EXPECT_TRUE(config1.isLocaleBetterThan(config2, &request));
464    EXPECT_FALSE(config2.isLocaleBetterThan(config1, &request));
465
466    fillIn("es", "AR", NULL, NULL, &request);
467    fillIn("es", "US", NULL, NULL, &config1);
468    fillIn("es", "BO", NULL, NULL, &config2);
469    // A representative locale is better if they are equidistant.
470    EXPECT_TRUE(config1.isLocaleBetterThan(config2, &request));
471    EXPECT_FALSE(config2.isLocaleBetterThan(config1, &request));
472
473    fillIn("es", "AR", NULL, NULL, &request);
474    fillIn("es", "MX", NULL, NULL, &config1);
475    fillIn("es", "US", NULL, NULL, &config2);
476    // If all is equal, the locale earlier in the dictionary is better.
477    EXPECT_TRUE(config1.isLocaleBetterThan(config2, &request));
478    EXPECT_FALSE(config2.isLocaleBetterThan(config1, &request));
479
480    fillIn("es", "GQ", NULL, NULL, &request);
481    fillIn("es", "IC", NULL, NULL, &config1);
482    fillIn("es", "419", NULL, NULL, &config2);
483    // If all is equal, the locale earlier in the dictionary is better and
484    // letters are better than numbers.
485    EXPECT_TRUE(config1.isLocaleBetterThan(config2, &request));
486    EXPECT_FALSE(config2.isLocaleBetterThan(config1, &request));
487
488    fillIn("en", "GB", NULL, NULL, &request);
489    fillIn("en", "001", NULL, NULL, &config1);
490    fillIn("en", NULL, NULL, NULL, &config2);
491    // A closer parent is better.
492    EXPECT_TRUE(config1.isLocaleBetterThan(config2, &request));
493    EXPECT_FALSE(config2.isLocaleBetterThan(config1, &request));
494
495    fillIn("en", "PR", NULL, NULL, &request);
496    fillIn("en", NULL, NULL, NULL, &config1);
497    fillIn("en", "001", NULL, NULL, &config2);
498    // A parent is better than a non-parent.
499    EXPECT_TRUE(config1.isLocaleBetterThan(config2, &request));
500    EXPECT_FALSE(config2.isLocaleBetterThan(config1, &request));
501
502    fillIn("en", "DE", NULL, NULL, &request);
503    fillIn("en", "150", NULL, NULL, &config1);
504    fillIn("en", "001", NULL, NULL, &config2);
505    // A closer parent is better.
506    EXPECT_TRUE(config1.isLocaleBetterThan(config2, &request));
507    EXPECT_FALSE(config2.isLocaleBetterThan(config1, &request));
508
509    fillIn("en", "IN", NULL, NULL, &request);
510    fillIn("en", "AU", NULL, NULL, &config1);
511    fillIn("en", "US", NULL, NULL, &config2);
512    // A closer locale is better.
513    EXPECT_TRUE(config1.isLocaleBetterThan(config2, &request));
514    EXPECT_FALSE(config2.isLocaleBetterThan(config1, &request));
515
516    fillIn("en", "PR", NULL, NULL, &request);
517    fillIn("en", "001", NULL, NULL, &config1);
518    fillIn("en", "GB", NULL, NULL, &config2);
519    // A closer locale is better.
520    EXPECT_TRUE(config1.isLocaleBetterThan(config2, &request));
521    EXPECT_FALSE(config2.isLocaleBetterThan(config1, &request));
522
523    fillIn("en", "IN", NULL, NULL, &request);
524    fillIn("en", "GB", NULL, NULL, &config1);
525    fillIn("en", "AU", NULL, NULL, &config2);
526    // A representative locale is better if they are equidistant.
527    EXPECT_TRUE(config1.isLocaleBetterThan(config2, &request));
528    EXPECT_FALSE(config2.isLocaleBetterThan(config1, &request));
529
530    fillIn("en", "IN", NULL, NULL, &request);
531    fillIn("en", "AU", NULL, NULL, &config1);
532    fillIn("en", "CA", NULL, NULL, &config2);
533    // If all is equal, the locale earlier in the dictionary is better.
534    EXPECT_TRUE(config1.isLocaleBetterThan(config2, &request));
535    EXPECT_FALSE(config2.isLocaleBetterThan(config1, &request));
536
537    fillIn("pt", "MZ", NULL, NULL, &request);
538    fillIn("pt", "PT", NULL, NULL, &config1);
539    fillIn("pt", NULL, NULL, NULL, &config2);
540    // A closer parent is better.
541    EXPECT_TRUE(config1.isLocaleBetterThan(config2, &request));
542    EXPECT_FALSE(config2.isLocaleBetterThan(config1, &request));
543
544    fillIn("pt", "MZ", NULL, NULL, &request);
545    fillIn("pt", "PT", NULL, NULL, &config1);
546    fillIn("pt", "BR", NULL, NULL, &config2);
547    // A parent is better than a non-parent.
548    EXPECT_TRUE(config1.isLocaleBetterThan(config2, &request));
549    EXPECT_FALSE(config2.isLocaleBetterThan(config1, &request));
550
551    fillIn("zh", "MO", "Hant", NULL, &request);
552    fillIn("zh", "HK", "Hant", NULL, &config1);
553    fillIn("zh", "TW", "Hant", NULL, &config2);
554    // A parent is better than a non-parent.
555    EXPECT_TRUE(config1.isLocaleBetterThan(config2, &request));
556    EXPECT_FALSE(config2.isLocaleBetterThan(config1, &request));
557
558    fillIn("zh", "US", "Hant", NULL, &request);
559    fillIn("zh", "TW", "Hant", NULL, &config1);
560    fillIn("zh", "HK", "Hant", NULL, &config2);
561    // A representative locale is better if they are equidistant.
562    EXPECT_TRUE(config1.isLocaleBetterThan(config2, &request));
563    EXPECT_FALSE(config2.isLocaleBetterThan(config1, &request));
564
565    fillIn("ar", "DZ", NULL, NULL, &request);
566    fillIn("ar", "015", NULL, NULL, &config1);
567    fillIn("ar", NULL, NULL, NULL, &config2);
568    // A closer parent is better.
569    EXPECT_TRUE(config1.isLocaleBetterThan(config2, &request));
570    EXPECT_FALSE(config2.isLocaleBetterThan(config1, &request));
571
572    fillIn("ar", "EG", NULL, NULL, &request);
573    fillIn("ar", NULL, NULL, NULL, &config1);
574    fillIn("ar", "015", NULL, NULL, &config2);
575    // A parent is better than a non-parent.
576    EXPECT_TRUE(config1.isLocaleBetterThan(config2, &request));
577    EXPECT_FALSE(config2.isLocaleBetterThan(config1, &request));
578
579    fillIn("ar", "QA", NULL, NULL, &request);
580    fillIn("ar", "EG", NULL, NULL, &config1);
581    fillIn("ar", "BH", NULL, NULL, &config2);
582    // A representative locale is better if they are equidistant.
583    EXPECT_TRUE(config1.isLocaleBetterThan(config2, &request));
584    EXPECT_FALSE(config2.isLocaleBetterThan(config1, &request));
585
586    fillIn("ar", "QA", NULL, NULL, &request);
587    fillIn("ar", "SA", NULL, NULL, &config1);
588    fillIn("ar", "015", NULL, NULL, &config2);
589    // If all is equal, the locale earlier in the dictionary is better and
590    // letters are better than numbers.
591    EXPECT_TRUE(config1.isLocaleBetterThan(config2, &request));
592    EXPECT_FALSE(config2.isLocaleBetterThan(config1, &request));
593}
594
595}  // namespace android
596