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 <gtest/gtest.h>
18
19 #include <minikin/FontFamily.h>
20
21 #include <cutils/log.h>
22
23 #include "FontLanguageListCache.h"
24 #include "ICUTestBase.h"
25 #include "MinikinFontForTest.h"
26 #include "MinikinInternal.h"
27
28 namespace android {
29
30 typedef ICUTestBase FontLanguagesTest;
31 typedef ICUTestBase FontLanguageTest;
32
createFontLanguages(const std::string & input)33 static const FontLanguages& createFontLanguages(const std::string& input) {
34 AutoMutex _l(gMinikinLock);
35 uint32_t langId = FontLanguageListCache::getId(input);
36 return FontLanguageListCache::getById(langId);
37 }
38
createFontLanguage(const std::string & input)39 static FontLanguage createFontLanguage(const std::string& input) {
40 AutoMutex _l(gMinikinLock);
41 uint32_t langId = FontLanguageListCache::getId(input);
42 return FontLanguageListCache::getById(langId)[0];
43 }
44
TEST_F(FontLanguageTest,basicTests)45 TEST_F(FontLanguageTest, basicTests) {
46 FontLanguage defaultLang;
47 FontLanguage emptyLang("", 0);
48 FontLanguage english = createFontLanguage("en");
49 FontLanguage french = createFontLanguage("fr");
50 FontLanguage und = createFontLanguage("und");
51 FontLanguage undZsye = createFontLanguage("und-Zsye");
52
53 EXPECT_EQ(english, english);
54 EXPECT_EQ(french, french);
55
56 EXPECT_TRUE(defaultLang != defaultLang);
57 EXPECT_TRUE(emptyLang != emptyLang);
58 EXPECT_TRUE(defaultLang != emptyLang);
59 EXPECT_TRUE(defaultLang != und);
60 EXPECT_TRUE(emptyLang != und);
61 EXPECT_TRUE(english != defaultLang);
62 EXPECT_TRUE(english != emptyLang);
63 EXPECT_TRUE(english != french);
64 EXPECT_TRUE(english != undZsye);
65 EXPECT_TRUE(und != undZsye);
66 EXPECT_TRUE(english != und);
67
68 EXPECT_TRUE(defaultLang.isUnsupported());
69 EXPECT_TRUE(emptyLang.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_F(FontLanguageTest,getStringTest)77 TEST_F(FontLanguageTest, getStringTest) {
78 EXPECT_EQ("en-Latn", createFontLanguage("en").getString());
79 EXPECT_EQ("en-Latn", createFontLanguage("en-Latn").getString());
80
81 // Capitalized language code or lowercased script should be normalized.
82 EXPECT_EQ("en-Latn", createFontLanguage("EN-LATN").getString());
83 EXPECT_EQ("en-Latn", createFontLanguage("EN-latn").getString());
84 EXPECT_EQ("en-Latn", createFontLanguage("en-latn").getString());
85
86 // Invalid script should be kept.
87 EXPECT_EQ("en-Xyzt", createFontLanguage("en-xyzt").getString());
88
89 EXPECT_EQ("en-Latn", createFontLanguage("en-Latn-US").getString());
90 EXPECT_EQ("ja-Jpan", createFontLanguage("ja").getString());
91 EXPECT_EQ("und", createFontLanguage("und").getString());
92 EXPECT_EQ("und", createFontLanguage("UND").getString());
93 EXPECT_EQ("und", createFontLanguage("Und").getString());
94 EXPECT_EQ("und-Zsye", createFontLanguage("und-Zsye").getString());
95 EXPECT_EQ("und-Zsye", createFontLanguage("Und-ZSYE").getString());
96 EXPECT_EQ("und-Zsye", createFontLanguage("Und-zsye").getString());
97
98 EXPECT_EQ("de-Latn", createFontLanguage("de-1901").getString());
99
100 // This is not a necessary desired behavior, just known behavior.
101 EXPECT_EQ("en-Latn", createFontLanguage("und-Abcdefgh").getString());
102 }
103
TEST_F(FontLanguageTest,ScriptEqualTest)104 TEST_F(FontLanguageTest, ScriptEqualTest) {
105 EXPECT_TRUE(createFontLanguage("en").isEqualScript(createFontLanguage("en")));
106 EXPECT_TRUE(createFontLanguage("en-Latn").isEqualScript(createFontLanguage("en")));
107 EXPECT_TRUE(createFontLanguage("jp-Latn").isEqualScript(createFontLanguage("en-Latn")));
108 EXPECT_TRUE(createFontLanguage("en-Jpan").isEqualScript(createFontLanguage("en-Jpan")));
109
110 EXPECT_FALSE(createFontLanguage("en-Jpan").isEqualScript(createFontLanguage("en-Hira")));
111 EXPECT_FALSE(createFontLanguage("en-Jpan").isEqualScript(createFontLanguage("en-Hani")));
112 }
113
TEST_F(FontLanguageTest,ScriptMatchTest)114 TEST_F(FontLanguageTest, ScriptMatchTest) {
115 const bool SUPPORTED = true;
116 const bool NOT_SUPPORTED = false;
117
118 struct TestCase {
119 const std::string baseScript;
120 const std::string requestedScript;
121 bool isSupported;
122 } testCases[] = {
123 // Same scripts
124 { "en-Latn", "Latn", SUPPORTED },
125 { "ja-Jpan", "Jpan", SUPPORTED },
126 { "ja-Hira", "Hira", SUPPORTED },
127 { "ja-Kana", "Kana", SUPPORTED },
128 { "ja-Hrkt", "Hrkt", SUPPORTED },
129 { "zh-Hans", "Hans", SUPPORTED },
130 { "zh-Hant", "Hant", SUPPORTED },
131 { "zh-Hani", "Hani", SUPPORTED },
132 { "ko-Kore", "Kore", SUPPORTED },
133 { "ko-Hang", "Hang", SUPPORTED },
134 { "zh-Hanb", "Hanb", SUPPORTED },
135
136 // Japanese supports Hiragana, Katakanara, etc.
137 { "ja-Jpan", "Hira", SUPPORTED },
138 { "ja-Jpan", "Kana", SUPPORTED },
139 { "ja-Jpan", "Hrkt", SUPPORTED },
140 { "ja-Hrkt", "Hira", SUPPORTED },
141 { "ja-Hrkt", "Kana", SUPPORTED },
142
143 // Chinese supports Han.
144 { "zh-Hans", "Hani", SUPPORTED },
145 { "zh-Hant", "Hani", SUPPORTED },
146 { "zh-Hanb", "Hani", SUPPORTED },
147
148 // Hanb supports Bopomofo.
149 { "zh-Hanb", "Bopo", SUPPORTED },
150
151 // Korean supports Hangul.
152 { "ko-Kore", "Hang", SUPPORTED },
153
154 // Different scripts
155 { "ja-Jpan", "Latn", NOT_SUPPORTED },
156 { "en-Latn", "Jpan", NOT_SUPPORTED },
157 { "ja-Jpan", "Hant", NOT_SUPPORTED },
158 { "zh-Hant", "Jpan", NOT_SUPPORTED },
159 { "ja-Jpan", "Hans", NOT_SUPPORTED },
160 { "zh-Hans", "Jpan", NOT_SUPPORTED },
161 { "ja-Jpan", "Kore", NOT_SUPPORTED },
162 { "ko-Kore", "Jpan", NOT_SUPPORTED },
163 { "zh-Hans", "Hant", NOT_SUPPORTED },
164 { "zh-Hant", "Hans", NOT_SUPPORTED },
165 { "zh-Hans", "Kore", NOT_SUPPORTED },
166 { "ko-Kore", "Hans", NOT_SUPPORTED },
167 { "zh-Hant", "Kore", NOT_SUPPORTED },
168 { "ko-Kore", "Hant", NOT_SUPPORTED },
169
170 // Hiragana doesn't support Japanese, etc.
171 { "ja-Hira", "Jpan", NOT_SUPPORTED },
172 { "ja-Kana", "Jpan", NOT_SUPPORTED },
173 { "ja-Hrkt", "Jpan", NOT_SUPPORTED },
174 { "ja-Hani", "Jpan", NOT_SUPPORTED },
175 { "ja-Hira", "Hrkt", NOT_SUPPORTED },
176 { "ja-Kana", "Hrkt", NOT_SUPPORTED },
177 { "ja-Hani", "Hrkt", NOT_SUPPORTED },
178 { "ja-Hani", "Hira", NOT_SUPPORTED },
179 { "ja-Hani", "Kana", NOT_SUPPORTED },
180
181 // Kanji doesn't support Chinese, etc.
182 { "zh-Hani", "Hant", NOT_SUPPORTED },
183 { "zh-Hani", "Hans", NOT_SUPPORTED },
184 { "zh-Hani", "Hanb", NOT_SUPPORTED },
185
186 // Hangul doesn't support Korean, etc.
187 { "ko-Hang", "Kore", NOT_SUPPORTED },
188 { "ko-Hani", "Kore", NOT_SUPPORTED },
189 { "ko-Hani", "Hang", NOT_SUPPORTED },
190 { "ko-Hang", "Hani", NOT_SUPPORTED },
191
192 // Han with botomofo doesn't support simplified Chinese, etc.
193 { "zh-Hanb", "Hant", NOT_SUPPORTED },
194 { "zh-Hanb", "Hans", NOT_SUPPORTED },
195 { "zh-Hanb", "Jpan", NOT_SUPPORTED },
196 { "zh-Hanb", "Kore", NOT_SUPPORTED },
197 };
198
199 for (auto testCase : testCases) {
200 hb_script_t script = hb_script_from_iso15924_tag(
201 HB_TAG(testCase.requestedScript[0], testCase.requestedScript[1],
202 testCase.requestedScript[2], testCase.requestedScript[3]));
203 if (testCase.isSupported) {
204 EXPECT_TRUE(
205 createFontLanguage(testCase.baseScript).supportsHbScript(script))
206 << testCase.baseScript << " should support " << testCase.requestedScript;
207 } else {
208 EXPECT_FALSE(
209 createFontLanguage(testCase.baseScript).supportsHbScript(script))
210 << testCase.baseScript << " shouldn't support " << testCase.requestedScript;
211 }
212 }
213 }
214
TEST_F(FontLanguagesTest,basicTests)215 TEST_F(FontLanguagesTest, basicTests) {
216 FontLanguages emptyLangs;
217 EXPECT_EQ(0u, emptyLangs.size());
218
219 FontLanguage english = createFontLanguage("en");
220 const FontLanguages& singletonLangs = createFontLanguages("en");
221 EXPECT_EQ(1u, singletonLangs.size());
222 EXPECT_EQ(english, singletonLangs[0]);
223
224 FontLanguage french = createFontLanguage("fr");
225 const FontLanguages& twoLangs = createFontLanguages("en,fr");
226 EXPECT_EQ(2u, twoLangs.size());
227 EXPECT_EQ(english, twoLangs[0]);
228 EXPECT_EQ(french, twoLangs[1]);
229 }
230
TEST_F(FontLanguagesTest,unsupportedLanguageTests)231 TEST_F(FontLanguagesTest, unsupportedLanguageTests) {
232 const FontLanguages& oneUnsupported = createFontLanguages("abcd-example");
233 EXPECT_TRUE(oneUnsupported.empty());
234
235 const FontLanguages& twoUnsupporteds = createFontLanguages("abcd-example,abcd-example");
236 EXPECT_TRUE(twoUnsupporteds.empty());
237
238 FontLanguage english = createFontLanguage("en");
239 const FontLanguages& firstUnsupported = createFontLanguages("abcd-example,en");
240 EXPECT_EQ(1u, firstUnsupported.size());
241 EXPECT_EQ(english, firstUnsupported[0]);
242
243 const FontLanguages& lastUnsupported = createFontLanguages("en,abcd-example");
244 EXPECT_EQ(1u, lastUnsupported.size());
245 EXPECT_EQ(english, lastUnsupported[0]);
246 }
247
TEST_F(FontLanguagesTest,repeatedLanguageTests)248 TEST_F(FontLanguagesTest, repeatedLanguageTests) {
249 FontLanguage english = createFontLanguage("en");
250 FontLanguage french = createFontLanguage("fr");
251 FontLanguage englishInLatn = createFontLanguage("en-Latn");
252 ASSERT_TRUE(english == englishInLatn);
253
254 const FontLanguages& langs = createFontLanguages("en,en-Latn");
255 EXPECT_EQ(1u, langs.size());
256 EXPECT_EQ(english, langs[0]);
257
258 // Country codes are ignored.
259 const FontLanguages& fr = createFontLanguages("fr,fr-CA,fr-FR");
260 EXPECT_EQ(1u, fr.size());
261 EXPECT_EQ(french, fr[0]);
262
263 // The order should be kept.
264 const FontLanguages& langs2 = createFontLanguages("en,fr,en-Latn");
265 EXPECT_EQ(2u, langs2.size());
266 EXPECT_EQ(english, langs2[0]);
267 EXPECT_EQ(french, langs2[1]);
268 }
269
TEST_F(FontLanguagesTest,undEmojiTests)270 TEST_F(FontLanguagesTest, undEmojiTests) {
271 FontLanguage emoji = createFontLanguage("und-Zsye");
272 EXPECT_TRUE(emoji.hasEmojiFlag());
273
274 FontLanguage und = createFontLanguage("und");
275 EXPECT_FALSE(und.hasEmojiFlag());
276 EXPECT_FALSE(emoji == und);
277
278 FontLanguage undExample = createFontLanguage("und-example");
279 EXPECT_FALSE(undExample.hasEmojiFlag());
280 EXPECT_FALSE(emoji == undExample);
281 }
282
TEST_F(FontLanguagesTest,registerLanguageListTest)283 TEST_F(FontLanguagesTest, registerLanguageListTest) {
284 EXPECT_EQ(0UL, FontStyle::registerLanguageList(""));
285 EXPECT_NE(0UL, FontStyle::registerLanguageList("en"));
286 EXPECT_NE(0UL, FontStyle::registerLanguageList("jp"));
287 EXPECT_NE(0UL, FontStyle::registerLanguageList("en,zh-Hans"));
288
289 EXPECT_EQ(FontStyle::registerLanguageList("en"), FontStyle::registerLanguageList("en"));
290 EXPECT_NE(FontStyle::registerLanguageList("en"), FontStyle::registerLanguageList("jp"));
291
292 EXPECT_EQ(FontStyle::registerLanguageList("en,zh-Hans"),
293 FontStyle::registerLanguageList("en,zh-Hans"));
294 EXPECT_NE(FontStyle::registerLanguageList("en,zh-Hans"),
295 FontStyle::registerLanguageList("zh-Hans,en"));
296 EXPECT_NE(FontStyle::registerLanguageList("en,zh-Hans"),
297 FontStyle::registerLanguageList("jp"));
298 EXPECT_NE(FontStyle::registerLanguageList("en,zh-Hans"),
299 FontStyle::registerLanguageList("en"));
300 EXPECT_NE(FontStyle::registerLanguageList("en,zh-Hans"),
301 FontStyle::registerLanguageList("en,zh-Hant"));
302 }
303
304 // The test font has following glyphs.
305 // U+82A6
306 // U+82A6 U+FE00 (VS1)
307 // U+82A6 U+E0100 (VS17)
308 // U+82A6 U+E0101 (VS18)
309 // U+82A6 U+E0102 (VS19)
310 // U+845B
311 // U+845B U+FE00 (VS2)
312 // U+845B U+E0101 (VS18)
313 // U+845B U+E0102 (VS19)
314 // U+845B U+E0103 (VS20)
315 // U+537F
316 // U+717D U+FE02 (VS3)
317 // U+717D U+E0102 (VS19)
318 // U+717D U+E0103 (VS20)
319 const char kVsTestFont[] = kTestFontDir "VarioationSelectorTest-Regular.ttf";
320
321 class FontFamilyTest : public ICUTestBase {
322 public:
SetUp()323 virtual void SetUp() override {
324 ICUTestBase::SetUp();
325 if (access(kVsTestFont, R_OK) != 0) {
326 FAIL() << "Unable to read " << kVsTestFont << ". "
327 << "Please prepare the test data directory. "
328 << "For more details, please see how_to_run.txt.";
329 }
330 }
331 };
332
333 // Asserts that the font family has glyphs for and only for specified codepoint
334 // and variationSelector pairs.
expectVSGlyphs(FontFamily * family,uint32_t codepoint,const std::set<uint32_t> & vs)335 void expectVSGlyphs(FontFamily* family, uint32_t codepoint, const std::set<uint32_t>& vs) {
336 for (uint32_t i = 0xFE00; i <= 0xE01EF; ++i) {
337 // Move to variation selectors supplements after variation selectors.
338 if (i == 0xFF00) {
339 i = 0xE0100;
340 }
341 if (vs.find(i) == vs.end()) {
342 EXPECT_FALSE(family->hasGlyph(codepoint, i))
343 << "Glyph for U+" << std::hex << codepoint << " U+" << i;
344 } else {
345 EXPECT_TRUE(family->hasGlyph(codepoint, i))
346 << "Glyph for U+" << std::hex << codepoint << " U+" << i;
347 }
348
349 }
350 }
351
TEST_F(FontFamilyTest,hasVariationSelectorTest)352 TEST_F(FontFamilyTest, hasVariationSelectorTest) {
353 MinikinAutoUnref<MinikinFontForTest> minikinFont(new MinikinFontForTest(kVsTestFont));
354 MinikinAutoUnref<FontFamily> family(new FontFamily);
355 family->addFont(minikinFont.get());
356
357 AutoMutex _l(gMinikinLock);
358
359 const uint32_t kVS1 = 0xFE00;
360 const uint32_t kVS2 = 0xFE01;
361 const uint32_t kVS3 = 0xFE02;
362 const uint32_t kVS17 = 0xE0100;
363 const uint32_t kVS18 = 0xE0101;
364 const uint32_t kVS19 = 0xE0102;
365 const uint32_t kVS20 = 0xE0103;
366
367 const uint32_t kSupportedChar1 = 0x82A6;
368 EXPECT_TRUE(family->getCoverage()->get(kSupportedChar1));
369 expectVSGlyphs(family.get(), kSupportedChar1, std::set<uint32_t>({kVS1, kVS17, kVS18, kVS19}));
370
371 const uint32_t kSupportedChar2 = 0x845B;
372 EXPECT_TRUE(family->getCoverage()->get(kSupportedChar2));
373 expectVSGlyphs(family.get(), kSupportedChar2, std::set<uint32_t>({kVS2, kVS18, kVS19, kVS20}));
374
375 const uint32_t kNoVsSupportedChar = 0x537F;
376 EXPECT_TRUE(family->getCoverage()->get(kNoVsSupportedChar));
377 expectVSGlyphs(family.get(), kNoVsSupportedChar, std::set<uint32_t>());
378
379 const uint32_t kVsOnlySupportedChar = 0x717D;
380 EXPECT_FALSE(family->getCoverage()->get(kVsOnlySupportedChar));
381 expectVSGlyphs(family.get(), kVsOnlySupportedChar, std::set<uint32_t>({kVS3, kVS19, kVS20}));
382
383 const uint32_t kNotSupportedChar = 0x845C;
384 EXPECT_FALSE(family->getCoverage()->get(kNotSupportedChar));
385 expectVSGlyphs(family.get(), kNotSupportedChar, std::set<uint32_t>());
386 }
387
TEST_F(FontFamilyTest,hasVSTableTest)388 TEST_F(FontFamilyTest, hasVSTableTest) {
389 struct TestCase {
390 const std::string fontPath;
391 bool hasVSTable;
392 } testCases[] = {
393 { kTestFontDir "Ja.ttf", true },
394 { kTestFontDir "ZhHant.ttf", true },
395 { kTestFontDir "ZhHans.ttf", true },
396 { kTestFontDir "Italic.ttf", false },
397 { kTestFontDir "Bold.ttf", false },
398 { kTestFontDir "BoldItalic.ttf", false },
399 };
400
401 for (auto testCase : testCases) {
402 SCOPED_TRACE(testCase.hasVSTable ?
403 "Font " + testCase.fontPath + " should have a variation sequence table." :
404 "Font " + testCase.fontPath + " shouldn't have a variation sequence table.");
405
406 MinikinAutoUnref<MinikinFontForTest> minikinFont(new MinikinFontForTest(testCase.fontPath));
407 MinikinAutoUnref<FontFamily> family(new FontFamily);
408 family->addFont(minikinFont.get());
409 AutoMutex _l(gMinikinLock);
410 family->getCoverage();
411
412 EXPECT_EQ(testCase.hasVSTable, family->hasVSTable());
413 }
414 }
415
416 } // namespace android
417