1 /*
2 * Copyright (C) 2015 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 "minikin/FontFamily.h"
18
19 #include <gtest/gtest.h>
20
21 #include "minikin/LocaleList.h"
22
23 #include "FontTestUtils.h"
24 #include "FreeTypeMinikinFontForTest.h"
25 #include "LocaleListCache.h"
26 #include "MinikinInternal.h"
27
28 namespace minikin {
29
createLocaleList(const std::string & input)30 static const LocaleList& createLocaleList(const std::string& input) {
31 uint32_t localeListId = LocaleListCache::getId(input);
32 return LocaleListCache::getById(localeListId);
33 }
34
createLocale(const std::string & input)35 static Locale createLocale(const std::string& input) {
36 uint32_t localeListId = LocaleListCache::getId(input);
37 return LocaleListCache::getById(localeListId)[0];
38 }
39
createLocaleWithoutICUSanitization(const std::string & input)40 static Locale createLocaleWithoutICUSanitization(const std::string& input) {
41 return Locale(input);
42 }
43
TEST(LocaleTest,basicTests)44 TEST(LocaleTest, basicTests) {
45 Locale defaultLocale;
46 Locale emptyLocale("");
47 Locale english = createLocale("en");
48 Locale french = createLocale("fr");
49 Locale und = createLocale("und");
50 Locale undZsye = createLocale("und-Zsye");
51
52 EXPECT_EQ(english, english);
53 EXPECT_EQ(french, french);
54
55 EXPECT_TRUE(defaultLocale != defaultLocale);
56 EXPECT_TRUE(emptyLocale != emptyLocale);
57 EXPECT_TRUE(defaultLocale != emptyLocale);
58 EXPECT_TRUE(defaultLocale != und);
59 EXPECT_TRUE(emptyLocale != und);
60 EXPECT_TRUE(english != defaultLocale);
61 EXPECT_TRUE(english != emptyLocale);
62 EXPECT_TRUE(english != french);
63 EXPECT_TRUE(english != undZsye);
64 EXPECT_TRUE(und != undZsye);
65 EXPECT_TRUE(english != und);
66 EXPECT_TRUE(createLocale("de-1901") != createLocale("de-1996"));
67
68 EXPECT_TRUE(defaultLocale.isUnsupported());
69 EXPECT_TRUE(emptyLocale.isUnsupported());
70
71 EXPECT_FALSE(english.isUnsupported());
72 EXPECT_FALSE(french.isUnsupported());
73 EXPECT_FALSE(und.isUnsupported());
74 EXPECT_FALSE(undZsye.isUnsupported());
75 }
76
TEST(LocaleTest,getStringTest)77 TEST(LocaleTest, getStringTest) {
78 EXPECT_EQ("en-Latn-US", createLocale("en").getString());
79 EXPECT_EQ("en-Latn-US", createLocale("en-Latn").getString());
80
81 // Capitalized language code or lowercased script should be normalized.
82 EXPECT_EQ("en-Latn-US", createLocale("EN-LATN").getString());
83 EXPECT_EQ("en-Latn-US", createLocale("EN-latn").getString());
84 EXPECT_EQ("en-Latn-US", createLocale("en-latn").getString());
85
86 // Invalid script should be kept.
87 EXPECT_EQ("en-Xyzt-US", createLocale("en-xyzt").getString());
88
89 EXPECT_EQ("en-Latn-US", createLocale("en-Latn-US").getString());
90 EXPECT_EQ("ja-Jpan-JP", createLocale("ja").getString());
91 EXPECT_EQ("zh-Hant-TW", createLocale("zh-TW").getString());
92 EXPECT_EQ("zh-Hant-HK", createLocale("zh-HK").getString());
93 EXPECT_EQ("zh-Hant-MO", createLocale("zh-MO").getString());
94 EXPECT_EQ("zh-Hans-CN", createLocale("zh").getString());
95 EXPECT_EQ("zh-Hans-CN", createLocale("zh-CN").getString());
96 EXPECT_EQ("zh-Hans-SG", createLocale("zh-SG").getString());
97 EXPECT_EQ("und", createLocale("und").getString());
98 EXPECT_EQ("und", createLocale("UND").getString());
99 EXPECT_EQ("und", createLocale("Und").getString());
100 EXPECT_EQ("und-Zsye", createLocale("und-Zsye").getString());
101 EXPECT_EQ("und-Zsye", createLocale("Und-ZSYE").getString());
102 EXPECT_EQ("und-Zsye", createLocale("Und-zsye").getString());
103
104 EXPECT_EQ("es-Latn-419", createLocale("es-Latn-419").getString());
105
106 // Variant
107 EXPECT_EQ("de-Latn-DE", createLocale("de").getString());
108 EXPECT_EQ("de-Latn-DE-1901", createLocale("de-1901").getString());
109 EXPECT_EQ("de-Latn-DE-1996", createLocale("de-DE-1996").getString());
110
111 // Line Break subtag
112 EXPECT_EQ("ja-Jpan-JP-u-lb-loose", createLocale("ja-JP-u-lb-loose").getString());
113 EXPECT_EQ("ja-Jpan-JP-u-lb-normal", createLocale("ja-JP-u-lb-normal").getString());
114 EXPECT_EQ("ja-Jpan-JP-u-lb-strict", createLocale("ja-JP-u-lb-strict").getString());
115 EXPECT_EQ("ja-Jpan-JP-u-lb-loose", createLocale("ja-JP-u-lb-loose-em-emoji").getString());
116 EXPECT_EQ("ja-Jpan-JP-u-lb-strict", createLocale("ja-JP-u-em-default-lb-strict").getString());
117 EXPECT_EQ("ja-Jpan-JP", createLocale("ja-JP-u-lb-bogus").getString());
118
119 // Emoji subtag is dropped from getString().
120 EXPECT_EQ("es-Latn-419", createLocale("es-419-u-em-emoji").getString());
121 EXPECT_EQ("es-Latn-419", createLocale("es-Latn-419-u-em-emoji").getString());
122
123 // This is not a necessary desired behavior, just known behavior.
124 EXPECT_EQ("en-Latn-US", createLocale("und-Abcdefgh").getString());
125 }
126
TEST(LocaleTest,invalidLanguageTagTest)127 TEST(LocaleTest, invalidLanguageTagTest) { // just make sure no crash happens
128 LocaleListCache::getId("ja-JP-u-lb-lb-strict");
129 }
130
TEST(LocaleTest,testReconstruction)131 TEST(LocaleTest, testReconstruction) {
132 EXPECT_EQ("en", createLocaleWithoutICUSanitization("en").getString());
133 EXPECT_EQ("fil", createLocaleWithoutICUSanitization("fil").getString());
134 EXPECT_EQ("und", createLocaleWithoutICUSanitization("und").getString());
135
136 EXPECT_EQ("en-Latn", createLocaleWithoutICUSanitization("en-Latn").getString());
137 EXPECT_EQ("fil-Taga", createLocaleWithoutICUSanitization("fil-Taga").getString());
138 EXPECT_EQ("und-Zsye", createLocaleWithoutICUSanitization("und-Zsye").getString());
139
140 EXPECT_EQ("en-US", createLocaleWithoutICUSanitization("en-US").getString());
141 EXPECT_EQ("fil-PH", createLocaleWithoutICUSanitization("fil-PH").getString());
142 EXPECT_EQ("es-419", createLocaleWithoutICUSanitization("es-419").getString());
143
144 EXPECT_EQ("en-Latn-US", createLocaleWithoutICUSanitization("en-Latn-US").getString());
145 EXPECT_EQ("fil-Taga-PH", createLocaleWithoutICUSanitization("fil-Taga-PH").getString());
146 EXPECT_EQ("es-Latn-419", createLocaleWithoutICUSanitization("es-Latn-419").getString());
147
148 // Possible minimum/maximum values.
149 EXPECT_EQ("aa", createLocaleWithoutICUSanitization("aa").getString());
150 EXPECT_EQ("zz", createLocaleWithoutICUSanitization("zz").getString());
151 EXPECT_EQ("aa-Aaaa", createLocaleWithoutICUSanitization("aa-Aaaa").getString());
152 EXPECT_EQ("zz-Zzzz", createLocaleWithoutICUSanitization("zz-Zzzz").getString());
153 EXPECT_EQ("aaa-Aaaa-AA", createLocaleWithoutICUSanitization("aaa-Aaaa-AA").getString());
154 EXPECT_EQ("zzz-Zzzz-ZZ", createLocaleWithoutICUSanitization("zzz-Zzzz-ZZ").getString());
155 EXPECT_EQ("aaa-Aaaa-000", createLocaleWithoutICUSanitization("aaa-Aaaa-000").getString());
156 EXPECT_EQ("zzz-Zzzz-999", createLocaleWithoutICUSanitization("zzz-Zzzz-999").getString());
157 }
158
TEST(LocaleTest,ScriptEqualTest)159 TEST(LocaleTest, ScriptEqualTest) {
160 EXPECT_TRUE(createLocale("en").isEqualScript(createLocale("en")));
161 EXPECT_TRUE(createLocale("en-Latn").isEqualScript(createLocale("en")));
162 EXPECT_TRUE(createLocale("jp-Latn").isEqualScript(createLocale("en-Latn")));
163 EXPECT_TRUE(createLocale("en-Jpan").isEqualScript(createLocale("en-Jpan")));
164
165 EXPECT_FALSE(createLocale("en-Jpan").isEqualScript(createLocale("en-Hira")));
166 EXPECT_FALSE(createLocale("en-Jpan").isEqualScript(createLocale("en-Hani")));
167 }
168
TEST(LocaleTest,ScriptMatchTest)169 TEST(LocaleTest, ScriptMatchTest) {
170 const bool SUPPORTED = true;
171 const bool NOT_SUPPORTED = false;
172
173 struct TestCase {
174 const std::string baseScript;
175 const std::string requestedScript;
176 bool isSupported;
177 } testCases[] = {
178 // Same scripts
179 {"en-Latn", "Latn", SUPPORTED},
180 {"ja-Jpan", "Jpan", SUPPORTED},
181 {"ja-Hira", "Hira", SUPPORTED},
182 {"ja-Kana", "Kana", SUPPORTED},
183 {"ja-Hrkt", "Hrkt", SUPPORTED},
184 {"zh-Hans", "Hans", SUPPORTED},
185 {"zh-Hant", "Hant", SUPPORTED},
186 {"zh-Hani", "Hani", SUPPORTED},
187 {"ko-Kore", "Kore", SUPPORTED},
188 {"ko-Hang", "Hang", SUPPORTED},
189 {"zh-Hanb", "Hanb", SUPPORTED},
190
191 // Japanese supports Hiragana, Katakanara, etc.
192 {"ja-Jpan", "Hira", SUPPORTED},
193 {"ja-Jpan", "Kana", SUPPORTED},
194 {"ja-Jpan", "Hrkt", SUPPORTED},
195 {"ja-Hrkt", "Hira", SUPPORTED},
196 {"ja-Hrkt", "Kana", SUPPORTED},
197
198 // Chinese supports Han.
199 {"zh-Hans", "Hani", SUPPORTED},
200 {"zh-Hant", "Hani", SUPPORTED},
201 {"zh-Hanb", "Hani", SUPPORTED},
202
203 // Hanb supports Bopomofo.
204 {"zh-Hanb", "Bopo", SUPPORTED},
205
206 // Korean supports Hangul.
207 {"ko-Kore", "Hang", SUPPORTED},
208
209 // Different scripts
210 {"ja-Jpan", "Latn", NOT_SUPPORTED},
211 {"en-Latn", "Jpan", NOT_SUPPORTED},
212 {"ja-Jpan", "Hant", NOT_SUPPORTED},
213 {"zh-Hant", "Jpan", NOT_SUPPORTED},
214 {"ja-Jpan", "Hans", NOT_SUPPORTED},
215 {"zh-Hans", "Jpan", NOT_SUPPORTED},
216 {"ja-Jpan", "Kore", NOT_SUPPORTED},
217 {"ko-Kore", "Jpan", NOT_SUPPORTED},
218 {"zh-Hans", "Hant", NOT_SUPPORTED},
219 {"zh-Hant", "Hans", NOT_SUPPORTED},
220 {"zh-Hans", "Kore", NOT_SUPPORTED},
221 {"ko-Kore", "Hans", NOT_SUPPORTED},
222 {"zh-Hant", "Kore", NOT_SUPPORTED},
223 {"ko-Kore", "Hant", NOT_SUPPORTED},
224
225 // Hiragana doesn't support Japanese, etc.
226 {"ja-Hira", "Jpan", NOT_SUPPORTED},
227 {"ja-Kana", "Jpan", NOT_SUPPORTED},
228 {"ja-Hrkt", "Jpan", NOT_SUPPORTED},
229 {"ja-Hani", "Jpan", NOT_SUPPORTED},
230 {"ja-Hira", "Hrkt", NOT_SUPPORTED},
231 {"ja-Kana", "Hrkt", NOT_SUPPORTED},
232 {"ja-Hani", "Hrkt", NOT_SUPPORTED},
233 {"ja-Hani", "Hira", NOT_SUPPORTED},
234 {"ja-Hani", "Kana", NOT_SUPPORTED},
235
236 // Kanji doesn't support Chinese, etc.
237 {"zh-Hani", "Hant", NOT_SUPPORTED},
238 {"zh-Hani", "Hans", NOT_SUPPORTED},
239 {"zh-Hani", "Hanb", NOT_SUPPORTED},
240
241 // Hangul doesn't support Korean, etc.
242 {"ko-Hang", "Kore", NOT_SUPPORTED},
243 {"ko-Hani", "Kore", NOT_SUPPORTED},
244 {"ko-Hani", "Hang", NOT_SUPPORTED},
245 {"ko-Hang", "Hani", NOT_SUPPORTED},
246
247 // Han with botomofo doesn't support simplified Chinese, etc.
248 {"zh-Hanb", "Hant", NOT_SUPPORTED},
249 {"zh-Hanb", "Hans", NOT_SUPPORTED},
250 {"zh-Hanb", "Jpan", NOT_SUPPORTED},
251 {"zh-Hanb", "Kore", NOT_SUPPORTED},
252 };
253
254 for (const auto& testCase : testCases) {
255 hb_script_t script = hb_script_from_iso15924_tag(
256 HB_TAG(testCase.requestedScript[0], testCase.requestedScript[1],
257 testCase.requestedScript[2], testCase.requestedScript[3]));
258 if (testCase.isSupported) {
259 EXPECT_TRUE(createLocale(testCase.baseScript).supportsHbScript(script))
260 << testCase.baseScript << " should support " << testCase.requestedScript;
261 } else {
262 EXPECT_FALSE(createLocale(testCase.baseScript).supportsHbScript(script))
263 << testCase.baseScript << " shouldn't support " << testCase.requestedScript;
264 }
265 }
266 }
267
TEST(LocaleListTest,basicTests)268 TEST(LocaleListTest, basicTests) {
269 LocaleList emptyLocales;
270 EXPECT_EQ(0u, emptyLocales.size());
271
272 Locale english = createLocale("en");
273 const LocaleList& singletonLocales = createLocaleList("en");
274 EXPECT_EQ(1u, singletonLocales.size());
275 EXPECT_EQ(english, singletonLocales[0]);
276
277 Locale french = createLocale("fr");
278 const LocaleList& twoLocales = createLocaleList("en,fr");
279 EXPECT_EQ(2u, twoLocales.size());
280 EXPECT_EQ(english, twoLocales[0]);
281 EXPECT_EQ(french, twoLocales[1]);
282 }
283
TEST(LocaleListTest,unsupportedLocaleuageTests)284 TEST(LocaleListTest, unsupportedLocaleuageTests) {
285 const LocaleList& oneUnsupported = createLocaleList("abcd-example");
286 EXPECT_TRUE(oneUnsupported.empty());
287
288 const LocaleList& twoUnsupporteds = createLocaleList("abcd-example,abcd-example");
289 EXPECT_TRUE(twoUnsupporteds.empty());
290
291 Locale english = createLocale("en");
292 const LocaleList& firstUnsupported = createLocaleList("abcd-example,en");
293 EXPECT_EQ(1u, firstUnsupported.size());
294 EXPECT_EQ(english, firstUnsupported[0]);
295
296 const LocaleList& lastUnsupported = createLocaleList("en,abcd-example");
297 EXPECT_EQ(1u, lastUnsupported.size());
298 EXPECT_EQ(english, lastUnsupported[0]);
299 }
300
TEST(LocaleListTest,repeatedLocaleuageTests)301 TEST(LocaleListTest, repeatedLocaleuageTests) {
302 Locale english = createLocale("en");
303 Locale french = createLocale("fr");
304 Locale canadianFrench = createLocale("fr-CA");
305 Locale englishInLatn = createLocale("en-Latn");
306 ASSERT_TRUE(english == englishInLatn);
307
308 const LocaleList& locales = createLocaleList("en,en-Latn");
309 EXPECT_EQ(1u, locales.size());
310 EXPECT_EQ(english, locales[0]);
311
312 const LocaleList& fr = createLocaleList("fr,fr-FR,fr-Latn-FR");
313 EXPECT_EQ(1u, fr.size());
314 EXPECT_EQ(french, fr[0]);
315
316 // ICU appends FR to fr. The third language is dropped which is same as the first language.
317 const LocaleList& fr2 = createLocaleList("fr,fr-CA,fr-FR");
318 EXPECT_EQ(2u, fr2.size());
319 EXPECT_EQ(french, fr2[0]);
320 EXPECT_EQ(canadianFrench, fr2[1]);
321
322 // The order should be kept.
323 const LocaleList& locales2 = createLocaleList("en,fr,en-Latn");
324 EXPECT_EQ(2u, locales2.size());
325 EXPECT_EQ(english, locales2[0]);
326 EXPECT_EQ(french, locales2[1]);
327 }
328
TEST(LocaleListTest,identifierTest)329 TEST(LocaleListTest, identifierTest) {
330 EXPECT_EQ(createLocale("en-Latn-US"), createLocale("en-Latn-US"));
331 EXPECT_EQ(createLocale("zh-Hans-CN"), createLocale("zh-Hans-CN"));
332 EXPECT_EQ(createLocale("en-Zsye-US"), createLocale("en-Zsye-US"));
333
334 EXPECT_NE(createLocale("en-Latn-US"), createLocale("en-Latn-GB"));
335 EXPECT_NE(createLocale("en-Latn-US"), createLocale("en-Zsye-US"));
336 EXPECT_NE(createLocale("es-Latn-US"), createLocale("en-Latn-US"));
337 EXPECT_NE(createLocale("zh-Hant-HK"), createLocale("zh-Hant-TW"));
338 }
339
TEST(LocaleListTest,undEmojiTests)340 TEST(LocaleListTest, undEmojiTests) {
341 Locale emoji = createLocale("und-Zsye");
342 EXPECT_EQ(EmojiStyle::EMOJI, emoji.getEmojiStyle());
343
344 Locale und = createLocale("und");
345 EXPECT_EQ(EmojiStyle::EMPTY, und.getEmojiStyle());
346 EXPECT_FALSE(emoji == und);
347
348 Locale undExample = createLocale("und-example");
349 EXPECT_EQ(EmojiStyle::EMPTY, undExample.getEmojiStyle());
350 EXPECT_FALSE(emoji == undExample);
351 }
352
TEST(LocaleListTest,subtagEmojiTest)353 TEST(LocaleListTest, subtagEmojiTest) {
354 std::string subtagEmojiStrings[] = {
355 // Duplicate subtag case.
356 "und-Latn-u-em-emoji-u-em-text",
357
358 // Strings that contain language.
359 "und-u-em-emoji", "en-u-em-emoji",
360
361 // Strings that contain the script.
362 "und-Jpan-u-em-emoji", "en-Latn-u-em-emoji", "und-Zsym-u-em-emoji",
363 "und-Zsye-u-em-emoji", "en-Zsym-u-em-emoji", "en-Zsye-u-em-emoji",
364
365 // Strings that contain the country.
366 "und-US-u-em-emoji", "en-US-u-em-emoji", "es-419-u-em-emoji", "und-Latn-US-u-em-emoji",
367 "en-Zsym-US-u-em-emoji", "en-Zsye-US-u-em-emoji", "es-Zsye-419-u-em-emoji",
368
369 // Strings that contain the variant.
370 "de-Latn-DE-1901-u-em-emoji",
371 };
372
373 for (const auto& subtagEmojiString : subtagEmojiStrings) {
374 SCOPED_TRACE("Test for \"" + subtagEmojiString + "\"");
375 Locale subtagEmoji = createLocale(subtagEmojiString);
376 EXPECT_EQ(EmojiStyle::EMOJI, subtagEmoji.getEmojiStyle());
377 }
378 }
379
TEST(LocaleListTest,subtagTextTest)380 TEST(LocaleListTest, subtagTextTest) {
381 std::string subtagTextStrings[] = {
382 // Duplicate subtag case.
383 "und-Latn-u-em-text-u-em-emoji",
384
385 // Strings that contain language.
386 "und-u-em-text", "en-u-em-text",
387
388 // Strings that contain the script.
389 "und-Latn-u-em-text", "en-Jpan-u-em-text", "und-Zsym-u-em-text", "und-Zsye-u-em-text",
390 "en-Zsym-u-em-text", "en-Zsye-u-em-text",
391
392 // Strings that contain the country.
393 "und-US-u-em-text", "en-US-u-em-text", "es-419-u-em-text", "und-Latn-US-u-em-text",
394 "en-Zsym-US-u-em-text", "en-Zsye-US-u-em-text", "es-Zsye-419-u-em-text",
395
396 // Strings that contain the variant.
397 "de-Latn-DE-1901-u-em-text",
398 };
399
400 for (const auto& subtagTextString : subtagTextStrings) {
401 SCOPED_TRACE("Test for \"" + subtagTextString + "\"");
402 Locale subtagText = createLocale(subtagTextString);
403 EXPECT_EQ(EmojiStyle::TEXT, subtagText.getEmojiStyle());
404 }
405 }
406
407 // TODO: add more "und" language cases whose language and script are
408 // unexpectedly translated to en-Latn by ICU.
TEST(LocaleListTest,subtagDefaultTest)409 TEST(LocaleListTest, subtagDefaultTest) {
410 std::string subtagDefaultStrings[] = {
411 // Duplicate subtag case.
412 "en-Latn-u-em-default-u-em-emoji", "en-Latn-u-em-default-u-em-text",
413
414 // Strings that contain language.
415 "und-u-em-default", "en-u-em-default",
416
417 // Strings that contain the script.
418 "en-Latn-u-em-default", "en-Zsym-u-em-default", "en-Zsye-u-em-default",
419
420 // Strings that contain the country.
421 "en-US-u-em-default", "en-Latn-US-u-em-default", "es-Latn-419-u-em-default",
422 "en-Zsym-US-u-em-default", "en-Zsye-US-u-em-default", "es-Zsye-419-u-em-default",
423
424 // Strings that contain the variant.
425 "de-Latn-DE-1901-u-em-default",
426 };
427
428 for (const auto& subtagDefaultString : subtagDefaultStrings) {
429 SCOPED_TRACE("Test for \"" + subtagDefaultString + "\"");
430 Locale subtagDefault = createLocale(subtagDefaultString);
431 EXPECT_EQ(EmojiStyle::DEFAULT, subtagDefault.getEmojiStyle());
432 }
433 }
434
TEST(LocaleListTest,subtagEmptyTest)435 TEST(LocaleListTest, subtagEmptyTest) {
436 std::string subtagEmptyStrings[] = {
437 "und",
438 "jp",
439 "en-US",
440 "en-Latn",
441 "en-Latn-US",
442 "en-Latn-US-u-em",
443 "en-Latn-US-u-em-defaultemoji",
444 "de-Latn-DE-1901",
445 };
446
447 for (const auto& subtagEmptyString : subtagEmptyStrings) {
448 SCOPED_TRACE("Test for \"" + subtagEmptyString + "\"");
449 Locale subtagEmpty = createLocale(subtagEmptyString);
450 EXPECT_EQ(EmojiStyle::EMPTY, subtagEmpty.getEmojiStyle());
451 }
452 }
453
TEST(LocaleListTest,registerLocaleListTest)454 TEST(LocaleListTest, registerLocaleListTest) {
455 EXPECT_EQ(0UL, registerLocaleList(""));
456 EXPECT_NE(0UL, registerLocaleList("en"));
457 EXPECT_NE(0UL, registerLocaleList("jp"));
458 EXPECT_NE(0UL, registerLocaleList("en,zh-Hans"));
459
460 EXPECT_EQ(registerLocaleList("en"), registerLocaleList("en"));
461 EXPECT_NE(registerLocaleList("en"), registerLocaleList("jp"));
462 EXPECT_NE(registerLocaleList("de"), registerLocaleList("de-1901"));
463
464 EXPECT_EQ(registerLocaleList("en,zh-Hans"), registerLocaleList("en,zh-Hans"));
465 EXPECT_NE(registerLocaleList("en,zh-Hans"), registerLocaleList("zh-Hans,en"));
466 EXPECT_NE(registerLocaleList("en,zh-Hans"), registerLocaleList("jp"));
467 EXPECT_NE(registerLocaleList("en,zh-Hans"), registerLocaleList("en"));
468 EXPECT_NE(registerLocaleList("en,zh-Hans"), registerLocaleList("en,zh-Hant"));
469 EXPECT_NE(registerLocaleList("de,de-1901"), registerLocaleList("de-1901,de"));
470 }
471
472 // The test font has following glyphs.
473 // U+82A6
474 // U+82A6 U+FE00 (VS1)
475 // U+82A6 U+E0100 (VS17)
476 // U+82A6 U+E0101 (VS18)
477 // U+82A6 U+E0102 (VS19)
478 // U+845B
479 // U+845B U+FE00 (VS2)
480 // U+845B U+E0101 (VS18)
481 // U+845B U+E0102 (VS19)
482 // U+845B U+E0103 (VS20)
483 // U+537F
484 // U+717D U+FE02 (VS3)
485 // U+717D U+E0102 (VS19)
486 // U+717D U+E0103 (VS20)
487 const char kVsTestFont[] = "VariationSelectorTest-Regular.ttf";
488
489 class FontFamilyTest : public testing::Test {
490 public:
SetUp()491 virtual void SetUp() override {
492 if (access(getTestFontPath(kVsTestFont).c_str(), R_OK) != 0) {
493 FAIL() << "Unable to read " << kVsTestFont << ". "
494 << "Please prepare the test data directory. "
495 << "For more details, please see how_to_run.txt.";
496 }
497 }
498 };
499
500 // Asserts that the font family has glyphs for and only for specified codepoint
501 // and variationSelector pairs.
expectVSGlyphs(FontFamily * family,uint32_t codepoint,const std::set<uint32_t> & vs)502 void expectVSGlyphs(FontFamily* family, uint32_t codepoint, const std::set<uint32_t>& vs) {
503 for (uint32_t i = 0xFE00; i <= 0xE01EF; ++i) {
504 // Move to variation selectors supplements after variation selectors.
505 if (i == 0xFF00) {
506 i = 0xE0100;
507 }
508 if (vs.find(i) == vs.end()) {
509 EXPECT_FALSE(family->hasGlyph(codepoint, i))
510 << "Glyph for U+" << std::hex << codepoint << " U+" << i;
511 } else {
512 EXPECT_TRUE(family->hasGlyph(codepoint, i))
513 << "Glyph for U+" << std::hex << codepoint << " U+" << i;
514 }
515 }
516 }
517
TEST_F(FontFamilyTest,hasVariationSelectorTest)518 TEST_F(FontFamilyTest, hasVariationSelectorTest) {
519 std::shared_ptr<FontFamily> family = buildFontFamily(kVsTestFont);
520
521 const uint32_t kVS1 = 0xFE00;
522 const uint32_t kVS2 = 0xFE01;
523 const uint32_t kVS3 = 0xFE02;
524 const uint32_t kVS17 = 0xE0100;
525 const uint32_t kVS18 = 0xE0101;
526 const uint32_t kVS19 = 0xE0102;
527 const uint32_t kVS20 = 0xE0103;
528
529 const uint32_t kSupportedChar1 = 0x82A6;
530 EXPECT_TRUE(family->getCoverage().get(kSupportedChar1));
531 expectVSGlyphs(family.get(), kSupportedChar1, std::set<uint32_t>({kVS1, kVS17, kVS18, kVS19}));
532
533 const uint32_t kSupportedChar2 = 0x845B;
534 EXPECT_TRUE(family->getCoverage().get(kSupportedChar2));
535 expectVSGlyphs(family.get(), kSupportedChar2, std::set<uint32_t>({kVS2, kVS18, kVS19, kVS20}));
536
537 const uint32_t kNoVsSupportedChar = 0x537F;
538 EXPECT_TRUE(family->getCoverage().get(kNoVsSupportedChar));
539 expectVSGlyphs(family.get(), kNoVsSupportedChar, std::set<uint32_t>());
540
541 const uint32_t kVsOnlySupportedChar = 0x717D;
542 EXPECT_FALSE(family->getCoverage().get(kVsOnlySupportedChar));
543 expectVSGlyphs(family.get(), kVsOnlySupportedChar, std::set<uint32_t>({kVS3, kVS19, kVS20}));
544
545 const uint32_t kNotSupportedChar = 0x845C;
546 EXPECT_FALSE(family->getCoverage().get(kNotSupportedChar));
547 expectVSGlyphs(family.get(), kNotSupportedChar, std::set<uint32_t>());
548 }
549
TEST_F(FontFamilyTest,hasVSTableTest)550 TEST_F(FontFamilyTest, hasVSTableTest) {
551 struct TestCase {
552 const std::string fontPath;
553 bool hasVSTable;
554 } testCases[] = {
555 {"Ja.ttf", true}, {"ZhHant.ttf", true}, {"ZhHans.ttf", true},
556 {"Italic.ttf", false}, {"Bold.ttf", false}, {"BoldItalic.ttf", false},
557 };
558
559 for (const auto& testCase : testCases) {
560 SCOPED_TRACE(testCase.hasVSTable ? "Font " + testCase.fontPath +
561 " should have a variation sequence table."
562 : "Font " + testCase.fontPath +
563 " shouldn't have a variation sequence table.");
564
565 std::shared_ptr<FontFamily> family = buildFontFamily(testCase.fontPath);
566 EXPECT_EQ(testCase.hasVSTable, family->hasVSTable());
567 }
568 }
569
TEST_F(FontFamilyTest,createFamilyWithVariationTest)570 TEST_F(FontFamilyTest, createFamilyWithVariationTest) {
571 // This font has 'wdth' and 'wght' axes.
572 const char kMultiAxisFont[] = "MultiAxis.ttf";
573 const char kNoAxisFont[] = "Regular.ttf";
574
575 std::shared_ptr<FontFamily> multiAxisFamily = buildFontFamily(kMultiAxisFont);
576 std::shared_ptr<FontFamily> noAxisFamily = buildFontFamily(kNoAxisFont);
577
578 {
579 // Do not ceate new instance if none of variations are specified.
580 EXPECT_EQ(nullptr,
581 multiAxisFamily->createFamilyWithVariation(std::vector<FontVariation>()));
582 EXPECT_EQ(nullptr, noAxisFamily->createFamilyWithVariation(std::vector<FontVariation>()));
583 }
584 {
585 // New instance should be used for supported variation.
586 std::vector<FontVariation> variations = {{MinikinFont::MakeTag('w', 'd', 't', 'h'), 1.0f}};
587 std::shared_ptr<FontFamily> newFamily(
588 multiAxisFamily->createFamilyWithVariation(variations));
589 EXPECT_NE(nullptr, newFamily.get());
590 EXPECT_NE(multiAxisFamily.get(), newFamily.get());
591 EXPECT_EQ(nullptr, noAxisFamily->createFamilyWithVariation(variations));
592 }
593 {
594 // New instance should be used for supported variation. (multiple variations case)
595 std::vector<FontVariation> variations = {{MinikinFont::MakeTag('w', 'd', 't', 'h'), 1.0f},
596 {MinikinFont::MakeTag('w', 'g', 'h', 't'), 1.0f}};
597 std::shared_ptr<FontFamily> newFamily(
598 multiAxisFamily->createFamilyWithVariation(variations));
599 EXPECT_NE(nullptr, newFamily.get());
600 EXPECT_NE(multiAxisFamily.get(), newFamily.get());
601 EXPECT_EQ(nullptr, noAxisFamily->createFamilyWithVariation(variations));
602 }
603 {
604 // Do not ceate new instance if none of variations are supported.
605 std::vector<FontVariation> variations = {{MinikinFont::MakeTag('Z', 'Z', 'Z', 'Z'), 1.0f}};
606 EXPECT_EQ(nullptr, multiAxisFamily->createFamilyWithVariation(variations));
607 EXPECT_EQ(nullptr, noAxisFamily->createFamilyWithVariation(variations));
608 }
609 {
610 // At least one axis is supported, should create new instance.
611 std::vector<FontVariation> variations = {{MinikinFont::MakeTag('w', 'd', 't', 'h'), 1.0f},
612 {MinikinFont::MakeTag('Z', 'Z', 'Z', 'Z'), 1.0f}};
613 std::shared_ptr<FontFamily> newFamily(
614 multiAxisFamily->createFamilyWithVariation(variations));
615 EXPECT_NE(nullptr, newFamily.get());
616 EXPECT_NE(multiAxisFamily.get(), newFamily.get());
617 EXPECT_EQ(nullptr, noAxisFamily->createFamilyWithVariation(variations));
618 }
619 }
620
TEST_F(FontFamilyTest,coverageTableSelectionTest)621 TEST_F(FontFamilyTest, coverageTableSelectionTest) {
622 // This font supports U+0061. The cmap subtable is format 4 and its platform ID is 0 and
623 // encoding ID is 1.
624 const char kUnicodeEncoding1Font[] = "UnicodeBMPOnly.ttf";
625
626 // This font supports U+0061. The cmap subtable is format 4 and its platform ID is 0 and
627 // encoding ID is 3.
628 const char kUnicodeEncoding3Font[] = "UnicodeBMPOnly2.ttf";
629
630 // This font has both cmap format 4 subtable which platform ID is 0 and encoding ID is 1
631 // and cmap format 14 subtable which platform ID is 0 and encoding ID is 10.
632 // U+0061 is listed in both subtable but U+1F926 is only listed in latter.
633 const char kUnicodeEncoding4Font[] = "UnicodeUCS4.ttf";
634
635 std::shared_ptr<FontFamily> unicodeEnc1Font = buildFontFamily(kUnicodeEncoding1Font);
636 std::shared_ptr<FontFamily> unicodeEnc3Font = buildFontFamily(kUnicodeEncoding3Font);
637 std::shared_ptr<FontFamily> unicodeEnc4Font = buildFontFamily(kUnicodeEncoding4Font);
638
639 EXPECT_TRUE(unicodeEnc1Font->hasGlyph(0x0061, 0));
640 EXPECT_TRUE(unicodeEnc3Font->hasGlyph(0x0061, 0));
641 EXPECT_TRUE(unicodeEnc4Font->hasGlyph(0x0061, 0));
642
643 EXPECT_TRUE(unicodeEnc4Font->hasGlyph(0x1F926, 0));
644 }
645
slantToString(FontStyle::Slant slant)646 const char* slantToString(FontStyle::Slant slant) {
647 if (slant == FontStyle::Slant::ITALIC) {
648 return "ITALIC";
649 } else {
650 return "UPRIGHT";
651 }
652 }
653
fontStyleToString(const FontStyle & style)654 std::string fontStyleToString(const FontStyle& style) {
655 char buf[64] = {};
656 snprintf(buf, sizeof(buf), "FontStyle(weight=%d, slant=%s)", style.weight(),
657 slantToString(style.slant()));
658 return buf;
659 }
660
TEST_F(FontFamilyTest,closestMatch)661 TEST_F(FontFamilyTest, closestMatch) {
662 constexpr char kTestFont[] = "Ascii.ttf";
663
664 constexpr FontStyle::Weight THIN = FontStyle::Weight::THIN;
665 constexpr FontStyle::Weight LIGHT = FontStyle::Weight::LIGHT;
666 constexpr FontStyle::Weight NORMAL = FontStyle::Weight::NORMAL;
667 constexpr FontStyle::Weight MEDIUM = FontStyle::Weight::MEDIUM;
668 constexpr FontStyle::Weight BOLD = FontStyle::Weight::BOLD;
669 constexpr FontStyle::Weight BLACK = FontStyle::Weight::BLACK;
670
671 constexpr FontStyle::Slant UPRIGHT = FontStyle::Slant::UPRIGHT;
672 constexpr FontStyle::Slant ITALIC = FontStyle::Slant::ITALIC;
673
674 const std::vector<FontStyle> STANDARD_SET = {
675 FontStyle(NORMAL, UPRIGHT), // 0
676 FontStyle(BOLD, UPRIGHT), // 1
677 FontStyle(NORMAL, ITALIC), // 2
678 FontStyle(BOLD, ITALIC), // 3
679 };
680
681 const std::vector<FontStyle> FULL_SET = {
682 FontStyle(THIN, UPRIGHT), // 0
683 FontStyle(LIGHT, UPRIGHT), // 1
684 FontStyle(NORMAL, UPRIGHT), // 2
685 FontStyle(MEDIUM, UPRIGHT), // 3
686 FontStyle(BOLD, UPRIGHT), // 4
687 FontStyle(BLACK, UPRIGHT), // 5
688 FontStyle(THIN, ITALIC), // 6
689 FontStyle(LIGHT, ITALIC), // 7
690 FontStyle(NORMAL, ITALIC), // 8
691 FontStyle(MEDIUM, ITALIC), // 9
692 FontStyle(BOLD, ITALIC), // 10
693 FontStyle(BLACK, ITALIC), // 11
694 };
695 struct TestCase {
696 FontStyle wantedStyle;
697 std::vector<FontStyle> familyStyles;
698 size_t expectedIndex;
699 } testCases[] = {
700 {FontStyle(), {FontStyle()}, 0},
701
702 // Exact matches
703 {FontStyle(BOLD), {FontStyle(NORMAL), FontStyle(BOLD)}, 1},
704 {FontStyle(BOLD), {FontStyle(LIGHT), FontStyle(BOLD)}, 1},
705 {FontStyle(LIGHT), {FontStyle(NORMAL), FontStyle(LIGHT)}, 1},
706 {FontStyle(LIGHT), {FontStyle(BOLD), FontStyle(LIGHT)}, 1},
707 {FontStyle(NORMAL), {FontStyle(NORMAL), FontStyle(LIGHT)}, 0},
708 {FontStyle(NORMAL), {FontStyle(NORMAL), FontStyle(BOLD)}, 0},
709 {FontStyle(LIGHT), {FontStyle(LIGHT), FontStyle(NORMAL), FontStyle(BOLD)}, 0},
710 {FontStyle(NORMAL), {FontStyle(LIGHT), FontStyle(NORMAL), FontStyle(BOLD)}, 1},
711 {FontStyle(BOLD), {FontStyle(LIGHT), FontStyle(NORMAL), FontStyle(BOLD)}, 2},
712
713 {FontStyle(UPRIGHT), {FontStyle(UPRIGHT), FontStyle(ITALIC)}, 0},
714 {FontStyle(ITALIC), {FontStyle(UPRIGHT), FontStyle(ITALIC)}, 1},
715
716 {FontStyle(NORMAL, UPRIGHT), STANDARD_SET, 0},
717 {FontStyle(BOLD, UPRIGHT), STANDARD_SET, 1},
718 {FontStyle(NORMAL, ITALIC), STANDARD_SET, 2},
719 {FontStyle(BOLD, ITALIC), STANDARD_SET, 3},
720
721 {FontStyle(NORMAL, UPRIGHT), FULL_SET, 2},
722 {FontStyle(BOLD, UPRIGHT), FULL_SET, 4},
723 {FontStyle(NORMAL, ITALIC), FULL_SET, 8},
724 {FontStyle(BOLD, ITALIC), FULL_SET, 10},
725
726 // TODO: Add fallback expectations. (b/68814338)
727 };
728
729 for (const TestCase& testCase : testCases) {
730 std::vector<std::shared_ptr<MinikinFont>> dummyFonts;
731 std::vector<Font> fonts;
732 for (auto familyStyle : testCase.familyStyles) {
733 std::shared_ptr<MinikinFont> dummyFont(
734 new FreeTypeMinikinFontForTest(getTestFontPath(kTestFont)));
735 dummyFonts.push_back(dummyFont);
736 fonts.push_back(Font::Builder(dummyFont).setStyle(familyStyle).build());
737 }
738
739 FontFamily family(std::move(fonts));
740 FakedFont closest = family.getClosestMatch(testCase.wantedStyle);
741
742 size_t idx = dummyFonts.size();
743 for (size_t i = 0; i < dummyFonts.size(); i++) {
744 if (dummyFonts[i].get() == closest.font->typeface().get()) {
745 idx = i;
746 break;
747 }
748 }
749 ASSERT_NE(idx, dummyFonts.size()) << "The selected font is unknown.";
750 EXPECT_EQ(testCase.expectedIndex, idx)
751 << "Input Style: " << fontStyleToString(testCase.wantedStyle) << std::endl
752 << "Actual Families' Style: " << fontStyleToString(testCase.familyStyles[idx])
753 << std::endl
754 << "Expected Families' Style: "
755 << fontStyleToString(testCase.familyStyles[testCase.expectedIndex]) << std::endl;
756 }
757 }
758
759 } // namespace minikin
760