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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 // | |
5 // Unit tests for eliding and formatting utility functions. | |
6 | |
7 #include "ui/gfx/text_elider.h" | |
8 | |
9 #include "base/files/file_path.h" | |
10 #include "base/i18n/rtl.h" | |
11 #include "base/memory/scoped_ptr.h" | |
12 #include "base/strings/string_util.h" | |
13 #include "base/strings/utf_string_conversions.h" | |
14 #include "testing/gtest/include/gtest/gtest.h" | |
15 #include "ui/gfx/font.h" | |
16 #include "ui/gfx/font_list.h" | |
17 #include "ui/gfx/text_utils.h" | |
18 | |
19 using base::ASCIIToUTF16; | |
20 using base::UTF16ToUTF8; | |
21 using base::UTF16ToWide; | |
22 using base::UTF8ToUTF16; | |
23 using base::WideToUTF16; | |
24 | |
25 namespace gfx { | |
26 | |
27 namespace { | |
28 | |
29 struct Testcase { | |
30 const std::string input; | |
31 const std::string output; | |
32 }; | |
33 | |
34 struct FileTestcase { | |
35 const base::FilePath::StringType input; | |
36 const std::string output; | |
37 }; | |
38 | |
39 struct UTF16Testcase { | |
40 const base::string16 input; | |
41 const base::string16 output; | |
42 }; | |
43 | |
44 struct TestData { | |
45 const std::string a; | |
46 const std::string b; | |
47 const int compare_result; | |
48 }; | |
49 | |
50 } // namespace | |
51 | |
52 // TODO(ios): This test fails on iOS because iOS version of GetStringWidthF | |
53 // that calls [NSString sizeWithFont] returns the rounded string width. | |
54 // TODO(338784): Enable this on android. | |
55 #if defined(OS_IOS) || defined(OS_ANDROID) | |
56 #define MAYBE_ElideEmail DISABLED_ElideEmail | |
57 #else | |
58 #define MAYBE_ElideEmail ElideEmail | |
59 #endif | |
60 TEST(TextEliderTest, MAYBE_ElideEmail) { | |
61 const std::string kEllipsisStr(kEllipsis); | |
62 | |
63 // Test emails and their expected elided forms (from which the available | |
64 // widths will be derived). | |
65 // For elided forms in which both the username and domain must be elided: | |
66 // the result (how many characters are left on each side) can be font | |
67 // dependent. To avoid this, the username is prefixed with the characters | |
68 // expected to remain in the domain. | |
69 Testcase testcases[] = { | |
70 {"g@g.c", "g@g.c"}, | |
71 {"g@g.c", kEllipsisStr}, | |
72 {"ga@co.ca", "ga@c" + kEllipsisStr + "a"}, | |
73 {"short@small.com", "s" + kEllipsisStr + "@s" + kEllipsisStr}, | |
74 {"short@small.com", "s" + kEllipsisStr + "@small.com"}, | |
75 {"short@longbutlotsofspace.com", "short@longbutlotsofspace.com"}, | |
76 {"short@longbutnotverymuchspace.com", | |
77 "short@long" + kEllipsisStr + ".com"}, | |
78 {"la_short@longbutverytightspace.ca", | |
79 "la" + kEllipsisStr + "@l" + kEllipsisStr + "a"}, | |
80 {"longusername@gmail.com", "long" + kEllipsisStr + "@gmail.com"}, | |
81 {"elidetothemax@justfits.com", "e" + kEllipsisStr + "@justfits.com"}, | |
82 {"thatom_somelongemail@thatdoesntfit.com", | |
83 "thatom" + kEllipsisStr + "@tha" + kEllipsisStr + "om"}, | |
84 {"namefits@butthedomaindoesnt.com", | |
85 "namefits@butthedo" + kEllipsisStr + "snt.com"}, | |
86 {"widthtootight@nospace.com", kEllipsisStr}, | |
87 {"nospaceforusername@l", kEllipsisStr}, | |
88 {"little@littlespace.com", "l" + kEllipsisStr + "@l" + kEllipsisStr}, | |
89 {"l@llllllllllllllllllllllll.com", "l@lllll" + kEllipsisStr + ".com"}, | |
90 {"messed\"up@whyanat\"++@notgoogley.com", | |
91 "messed\"up@whyanat\"++@notgoogley.com"}, | |
92 {"messed\"up@whyanat\"++@notgoogley.com", | |
93 "messed\"up@why" + kEllipsisStr + "@notgoogley.com"}, | |
94 {"noca_messed\"up@whyanat\"++@notgoogley.ca", | |
95 "noca" + kEllipsisStr + "@no" + kEllipsisStr + "ca"}, | |
96 {"at\"@@@@@@@@@...@@.@.@.@@@\"@madness.com", | |
97 "at\"@@@@@@@@@...@@.@." + kEllipsisStr + "@madness.com"}, | |
98 // Special case: "m..." takes more than half of the available width; thus | |
99 // the domain must elide to "l..." and not "l...l" as it must allow enough | |
100 // space for the minimal username elision although its half of the | |
101 // available width would normally allow it to elide to "l...l". | |
102 {"mmmmm@llllllllll", "m" + kEllipsisStr + "@l" + kEllipsisStr}, | |
103 }; | |
104 | |
105 const FontList font_list; | |
106 for (size_t i = 0; i < arraysize(testcases); ++i) { | |
107 const base::string16 expected_output = UTF8ToUTF16(testcases[i].output); | |
108 EXPECT_EQ(expected_output, | |
109 ElideText(UTF8ToUTF16(testcases[i].input), font_list, | |
110 GetStringWidthF(expected_output, font_list), | |
111 ELIDE_EMAIL)); | |
112 } | |
113 } | |
114 | |
115 // TODO(338784): Enable this on android. | |
116 #if defined(OS_ANDROID) | |
117 #define MAYBE_ElideEmailMoreSpace DISABLED_ElideEmailMoreSpace | |
118 #else | |
119 #define MAYBE_ElideEmailMoreSpace ElideEmailMoreSpace | |
120 #endif | |
121 TEST(TextEliderTest, MAYBE_ElideEmailMoreSpace) { | |
122 const int test_width_factors[] = { | |
123 100, | |
124 10000, | |
125 1000000, | |
126 }; | |
127 const std::string test_emails[] = { | |
128 "a@c", | |
129 "test@email.com", | |
130 "short@verysuperdupperlongdomain.com", | |
131 "supermegalongusername@withasuperlonnnggggdomain.gouv.qc.ca", | |
132 }; | |
133 | |
134 const FontList font_list; | |
135 for (size_t i = 0; i < arraysize(test_width_factors); ++i) { | |
136 const int test_width = | |
137 font_list.GetExpectedTextWidth(test_width_factors[i]); | |
138 for (size_t j = 0; j < arraysize(test_emails); ++j) { | |
139 // Extra space is available: the email should not be elided. | |
140 const base::string16 test_email = UTF8ToUTF16(test_emails[j]); | |
141 EXPECT_EQ(test_email, | |
142 ElideText(test_email, font_list, test_width, ELIDE_EMAIL)); | |
143 } | |
144 } | |
145 } | |
146 | |
147 // TODO(ios): This test fails on iOS because iOS version of GetStringWidthF | |
148 // that calls [NSString sizeWithFont] returns the rounded string width. | |
149 // TODO(338784): Enable this on android. | |
150 #if defined(OS_IOS) || defined(OS_ANDROID) | |
151 #define MAYBE_TestFilenameEliding DISABLED_TestFilenameEliding | |
152 #else | |
153 #define MAYBE_TestFilenameEliding TestFilenameEliding | |
154 #endif | |
155 TEST(TextEliderTest, MAYBE_TestFilenameEliding) { | |
156 const std::string kEllipsisStr(kEllipsis); | |
157 const base::FilePath::StringType kPathSeparator = | |
158 base::FilePath::StringType().append(1, base::FilePath::kSeparators[0]); | |
159 | |
160 FileTestcase testcases[] = { | |
161 {FILE_PATH_LITERAL(""), ""}, | |
162 {FILE_PATH_LITERAL("."), "."}, | |
163 {FILE_PATH_LITERAL("filename.exe"), "filename.exe"}, | |
164 {FILE_PATH_LITERAL(".longext"), ".longext"}, | |
165 {FILE_PATH_LITERAL("pie"), "pie"}, | |
166 {FILE_PATH_LITERAL("c:") + kPathSeparator + FILE_PATH_LITERAL("path") + | |
167 kPathSeparator + FILE_PATH_LITERAL("filename.pie"), | |
168 "filename.pie"}, | |
169 {FILE_PATH_LITERAL("c:") + kPathSeparator + FILE_PATH_LITERAL("path") + | |
170 kPathSeparator + FILE_PATH_LITERAL("longfilename.pie"), | |
171 "long" + kEllipsisStr + ".pie"}, | |
172 {FILE_PATH_LITERAL("http://path.com/filename.pie"), "filename.pie"}, | |
173 {FILE_PATH_LITERAL("http://path.com/longfilename.pie"), | |
174 "long" + kEllipsisStr + ".pie"}, | |
175 {FILE_PATH_LITERAL("piesmashingtacularpants"), "pie" + kEllipsisStr}, | |
176 {FILE_PATH_LITERAL(".piesmashingtacularpants"), ".pie" + kEllipsisStr}, | |
177 {FILE_PATH_LITERAL("cheese."), "cheese."}, | |
178 {FILE_PATH_LITERAL("file name.longext"), | |
179 "file" + kEllipsisStr + ".longext"}, | |
180 {FILE_PATH_LITERAL("fil ename.longext"), | |
181 "fil " + kEllipsisStr + ".longext"}, | |
182 {FILE_PATH_LITERAL("filename.longext"), | |
183 "file" + kEllipsisStr + ".longext"}, | |
184 {FILE_PATH_LITERAL("filename.middleext.longext"), | |
185 "filename.mid" + kEllipsisStr + ".longext"}, | |
186 {FILE_PATH_LITERAL("filename.superduperextremelylongext"), | |
187 "filename.sup" + kEllipsisStr + "emelylongext"}, | |
188 {FILE_PATH_LITERAL("filenamereallylongtext.superduperextremelylongext"), | |
189 "filenamereall" + kEllipsisStr + "emelylongext"}, | |
190 {FILE_PATH_LITERAL("file.name.really.long.text.superduperextremelylongext"), | |
191 "file.name.re" + kEllipsisStr + "emelylongext"} | |
192 }; | |
193 | |
194 static const FontList font_list; | |
195 for (size_t i = 0; i < arraysize(testcases); ++i) { | |
196 base::FilePath filepath(testcases[i].input); | |
197 base::string16 expected = UTF8ToUTF16(testcases[i].output); | |
198 expected = base::i18n::GetDisplayStringInLTRDirectionality(expected); | |
199 EXPECT_EQ(expected, ElideFilename(filepath, font_list, | |
200 GetStringWidthF(UTF8ToUTF16(testcases[i].output), font_list))); | |
201 } | |
202 } | |
203 | |
204 // TODO(338784): Enable this on android. | |
205 #if defined(OS_ANDROID) | |
206 #define MAYBE_ElideTextTruncate DISABLED_ElideTextTruncate | |
207 #else | |
208 #define MAYBE_ElideTextTruncate ElideTextTruncate | |
209 #endif | |
210 TEST(TextEliderTest, MAYBE_ElideTextTruncate) { | |
211 const FontList font_list; | |
212 const float kTestWidth = GetStringWidthF(ASCIIToUTF16("Test"), font_list); | |
213 struct TestData { | |
214 const char* input; | |
215 float width; | |
216 const char* output; | |
217 } cases[] = { | |
218 { "", 0, "" }, | |
219 { "Test", 0, "" }, | |
220 { "", kTestWidth, "" }, | |
221 { "Tes", kTestWidth, "Tes" }, | |
222 { "Test", kTestWidth, "Test" }, | |
223 { "Tests", kTestWidth, "Test" }, | |
224 }; | |
225 | |
226 for (size_t i = 0; i < arraysize(cases); ++i) { | |
227 base::string16 result = ElideText(UTF8ToUTF16(cases[i].input), font_list, | |
228 cases[i].width, TRUNCATE); | |
229 EXPECT_EQ(cases[i].output, UTF16ToUTF8(result)); | |
230 } | |
231 } | |
232 | |
233 // TODO(338784): Enable this on android. | |
234 #if defined(OS_ANDROID) | |
235 #define MAYBE_ElideTextEllipsis DISABLED_ElideTextEllipsis | |
236 #else | |
237 #define MAYBE_ElideTextEllipsis ElideTextEllipsis | |
238 #endif | |
239 TEST(TextEliderTest, MAYBE_ElideTextEllipsis) { | |
240 const FontList font_list; | |
241 const float kTestWidth = GetStringWidthF(ASCIIToUTF16("Test"), font_list); | |
242 const char* kEllipsis = "\xE2\x80\xA6"; | |
243 const float kEllipsisWidth = | |
244 GetStringWidthF(UTF8ToUTF16(kEllipsis), font_list); | |
245 struct TestData { | |
246 const char* input; | |
247 float width; | |
248 const char* output; | |
249 } cases[] = { | |
250 { "", 0, "" }, | |
251 { "Test", 0, "" }, | |
252 { "Test", kEllipsisWidth, kEllipsis }, | |
253 { "", kTestWidth, "" }, | |
254 { "Tes", kTestWidth, "Tes" }, | |
255 { "Test", kTestWidth, "Test" }, | |
256 }; | |
257 | |
258 for (size_t i = 0; i < arraysize(cases); ++i) { | |
259 base::string16 result = ElideText(UTF8ToUTF16(cases[i].input), font_list, | |
260 cases[i].width, ELIDE_TAIL); | |
261 EXPECT_EQ(cases[i].output, UTF16ToUTF8(result)); | |
262 } | |
263 } | |
264 | |
265 // TODO(338784): Enable this on android. | |
266 #if defined(OS_ANDROID) | |
267 #define MAYBE_ElideTextEllipsisFront DISABLED_ElideTextEllipsisFront | |
268 #else | |
269 #define MAYBE_ElideTextEllipsisFront ElideTextEllipsisFront | |
270 #endif | |
271 TEST(TextEliderTest, MAYBE_ElideTextEllipsisFront) { | |
272 const FontList font_list; | |
273 const float kTestWidth = GetStringWidthF(ASCIIToUTF16("Test"), font_list); | |
274 const std::string kEllipsisStr(kEllipsis); | |
275 const float kEllipsisWidth = | |
276 GetStringWidthF(UTF8ToUTF16(kEllipsis), font_list); | |
277 const float kEllipsis23Width = | |
278 GetStringWidthF(UTF8ToUTF16(kEllipsisStr + "23"), font_list); | |
279 struct TestData { | |
280 const char* input; | |
281 float width; | |
282 const base::string16 output; | |
283 } cases[] = { | |
284 { "", 0, base::string16() }, | |
285 { "Test", 0, base::string16() }, | |
286 { "Test", kEllipsisWidth, UTF8ToUTF16(kEllipsisStr) }, | |
287 { "", kTestWidth, base::string16() }, | |
288 { "Tes", kTestWidth, ASCIIToUTF16("Tes") }, | |
289 { "Test", kTestWidth, ASCIIToUTF16("Test") }, | |
290 { "Test123", kEllipsis23Width, UTF8ToUTF16(kEllipsisStr + "23") }, | |
291 }; | |
292 | |
293 for (size_t i = 0; i < arraysize(cases); ++i) { | |
294 base::string16 result = ElideText(UTF8ToUTF16(cases[i].input), font_list, | |
295 cases[i].width, ELIDE_HEAD); | |
296 EXPECT_EQ(cases[i].output, result); | |
297 } | |
298 } | |
299 | |
300 // Checks that all occurrences of |first_char| are followed by |second_char| and | |
301 // all occurrences of |second_char| are preceded by |first_char| in |text|. | |
302 static void CheckSurrogatePairs(const base::string16& text, | |
303 base::char16 first_char, | |
304 base::char16 second_char) { | |
305 for (size_t index = 0; index < text.length(); ++index) { | |
306 EXPECT_NE(second_char, text[index]); | |
307 if (text[index] == first_char) { | |
308 ASSERT_LT(++index, text.length()); | |
309 EXPECT_EQ(second_char, text[index]); | |
310 } | |
311 } | |
312 } | |
313 | |
314 // TODO(338784): Enable this on android. | |
315 #if defined(OS_ANDROID) | |
316 #define MAYBE_ElideTextSurrogatePairs DISABLED_ElideTextSurrogatePairs | |
317 #else | |
318 #define MAYBE_ElideTextSurrogatePairs ElideTextSurrogatePairs | |
319 #endif | |
320 TEST(TextEliderTest, MAYBE_ElideTextSurrogatePairs) { | |
321 const FontList font_list; | |
322 // The below is 'MUSICAL SYMBOL G CLEF', which is represented in UTF-16 as | |
323 // two characters forming a surrogate pair 0x0001D11E. | |
324 const std::string kSurrogate = "\xF0\x9D\x84\x9E"; | |
325 const base::string16 kTestString = UTF8ToUTF16(kSurrogate + "x" + kSurrogate); | |
326 const float kTestStringWidth = GetStringWidthF(kTestString, font_list); | |
327 const base::char16 kSurrogateFirstChar = kTestString[0]; | |
328 const base::char16 kSurrogateSecondChar = kTestString[1]; | |
329 base::string16 result; | |
330 | |
331 // Elide |kTextString| to all possible widths and check that no instance of | |
332 // |kSurrogate| was split in two. | |
333 for (float width = 0; width <= kTestStringWidth; width++) { | |
334 result = ElideText(kTestString, font_list, width, TRUNCATE); | |
335 CheckSurrogatePairs(result, kSurrogateFirstChar, kSurrogateSecondChar); | |
336 | |
337 result = ElideText(kTestString, font_list, width, ELIDE_TAIL); | |
338 CheckSurrogatePairs(result, kSurrogateFirstChar, kSurrogateSecondChar); | |
339 | |
340 result = ElideText(kTestString, font_list, width, ELIDE_MIDDLE); | |
341 CheckSurrogatePairs(result, kSurrogateFirstChar, kSurrogateSecondChar); | |
342 | |
343 result = ElideText(kTestString, font_list, width, ELIDE_HEAD); | |
344 CheckSurrogatePairs(result, kSurrogateFirstChar, kSurrogateSecondChar); | |
345 } | |
346 } | |
347 | |
348 // TODO(338784): Enable this on android. | |
349 #if defined(OS_ANDROID) | |
350 #define MAYBE_ElideTextLongStrings DISABLED_ElideTextLongStrings | |
351 #else | |
352 #define MAYBE_ElideTextLongStrings ElideTextLongStrings | |
353 #endif | |
354 TEST(TextEliderTest, MAYBE_ElideTextLongStrings) { | |
355 const base::string16 kEllipsisStr = UTF8ToUTF16(kEllipsis); | |
356 base::string16 data_scheme(UTF8ToUTF16("data:text/plain,")); | |
357 size_t data_scheme_length = data_scheme.length(); | |
358 | |
359 base::string16 ten_a(10, 'a'); | |
360 base::string16 hundred_a(100, 'a'); | |
361 base::string16 thousand_a(1000, 'a'); | |
362 base::string16 ten_thousand_a(10000, 'a'); | |
363 base::string16 hundred_thousand_a(100000, 'a'); | |
364 base::string16 million_a(1000000, 'a'); | |
365 | |
366 // TODO(gbillock): Improve these tests by adding more string diversity and | |
367 // doing string compares instead of length compares. See bug 338836. | |
368 | |
369 size_t number_of_as = 156; | |
370 base::string16 long_string_end( | |
371 data_scheme + base::string16(number_of_as, 'a') + kEllipsisStr); | |
372 UTF16Testcase testcases_end[] = { | |
373 { data_scheme + ten_a, data_scheme + ten_a }, | |
374 { data_scheme + hundred_a, data_scheme + hundred_a }, | |
375 { data_scheme + thousand_a, long_string_end }, | |
376 { data_scheme + ten_thousand_a, long_string_end }, | |
377 { data_scheme + hundred_thousand_a, long_string_end }, | |
378 { data_scheme + million_a, long_string_end }, | |
379 }; | |
380 | |
381 const FontList font_list; | |
382 float ellipsis_width = GetStringWidthF(kEllipsisStr, font_list); | |
383 for (size_t i = 0; i < arraysize(testcases_end); ++i) { | |
384 // Compare sizes rather than actual contents because if the test fails, | |
385 // output is rather long. | |
386 EXPECT_EQ(testcases_end[i].output.size(), | |
387 ElideText(testcases_end[i].input, font_list, | |
388 GetStringWidthF(testcases_end[i].output, font_list), | |
389 ELIDE_TAIL).size()); | |
390 EXPECT_EQ(kEllipsisStr, | |
391 ElideText(testcases_end[i].input, font_list, ellipsis_width, | |
392 ELIDE_TAIL)); | |
393 } | |
394 | |
395 size_t number_of_trailing_as = (data_scheme_length + number_of_as) / 2; | |
396 base::string16 long_string_middle(data_scheme + | |
397 base::string16(number_of_as - number_of_trailing_as, 'a') + kEllipsisStr + | |
398 base::string16(number_of_trailing_as, 'a')); | |
399 UTF16Testcase testcases_middle[] = { | |
400 { data_scheme + ten_a, data_scheme + ten_a }, | |
401 { data_scheme + hundred_a, data_scheme + hundred_a }, | |
402 { data_scheme + thousand_a, long_string_middle }, | |
403 { data_scheme + ten_thousand_a, long_string_middle }, | |
404 { data_scheme + hundred_thousand_a, long_string_middle }, | |
405 { data_scheme + million_a, long_string_middle }, | |
406 }; | |
407 | |
408 for (size_t i = 0; i < arraysize(testcases_middle); ++i) { | |
409 // Compare sizes rather than actual contents because if the test fails, | |
410 // output is rather long. | |
411 EXPECT_EQ(testcases_middle[i].output.size(), | |
412 ElideText(testcases_middle[i].input, font_list, | |
413 GetStringWidthF(testcases_middle[i].output, font_list), | |
414 ELIDE_MIDDLE).size()); | |
415 EXPECT_EQ(kEllipsisStr, | |
416 ElideText(testcases_middle[i].input, font_list, ellipsis_width, | |
417 ELIDE_MIDDLE)); | |
418 } | |
419 | |
420 base::string16 long_string_beginning( | |
421 kEllipsisStr + base::string16(number_of_as, 'a')); | |
422 UTF16Testcase testcases_beginning[] = { | |
423 { data_scheme + ten_a, data_scheme + ten_a }, | |
424 { data_scheme + hundred_a, data_scheme + hundred_a }, | |
425 { data_scheme + thousand_a, long_string_beginning }, | |
426 { data_scheme + ten_thousand_a, long_string_beginning }, | |
427 { data_scheme + hundred_thousand_a, long_string_beginning }, | |
428 { data_scheme + million_a, long_string_beginning }, | |
429 }; | |
430 for (size_t i = 0; i < arraysize(testcases_beginning); ++i) { | |
431 EXPECT_EQ(testcases_beginning[i].output.size(), | |
432 ElideText( | |
433 testcases_beginning[i].input, font_list, | |
434 GetStringWidthF(testcases_beginning[i].output, font_list), | |
435 ELIDE_HEAD).size()); | |
436 EXPECT_EQ(kEllipsisStr, | |
437 ElideText(testcases_beginning[i].input, font_list, ellipsis_width, | |
438 ELIDE_HEAD)); | |
439 } | |
440 } | |
441 | |
442 TEST(TextEliderTest, ElideString) { | |
443 struct TestData { | |
444 const char* input; | |
445 int max_len; | |
446 bool result; | |
447 const char* output; | |
448 } cases[] = { | |
449 { "Hello", 0, true, "" }, | |
450 { "", 0, false, "" }, | |
451 { "Hello, my name is Tom", 1, true, "H" }, | |
452 { "Hello, my name is Tom", 2, true, "He" }, | |
453 { "Hello, my name is Tom", 3, true, "H.m" }, | |
454 { "Hello, my name is Tom", 4, true, "H..m" }, | |
455 { "Hello, my name is Tom", 5, true, "H...m" }, | |
456 { "Hello, my name is Tom", 6, true, "He...m" }, | |
457 { "Hello, my name is Tom", 7, true, "He...om" }, | |
458 { "Hello, my name is Tom", 10, true, "Hell...Tom" }, | |
459 { "Hello, my name is Tom", 100, false, "Hello, my name is Tom" } | |
460 }; | |
461 for (size_t i = 0; i < arraysize(cases); ++i) { | |
462 base::string16 output; | |
463 EXPECT_EQ(cases[i].result, | |
464 ElideString(UTF8ToUTF16(cases[i].input), | |
465 cases[i].max_len, &output)); | |
466 EXPECT_EQ(cases[i].output, UTF16ToUTF8(output)); | |
467 } | |
468 } | |
469 | |
470 // TODO(338784): Enable this on android. | |
471 #if defined(OS_ANDROID) | |
472 #define MAYBE_ElideRectangleText DISABLED_ElideRectangleText | |
473 #else | |
474 #define MAYBE_ElideRectangleText ElideRectangleText | |
475 #endif | |
476 TEST(TextEliderTest, MAYBE_ElideRectangleText) { | |
477 const FontList font_list; | |
478 const int line_height = font_list.GetHeight(); | |
479 const float test_width = GetStringWidthF(ASCIIToUTF16("Test"), font_list); | |
480 | |
481 struct TestData { | |
482 const char* input; | |
483 float available_pixel_width; | |
484 int available_pixel_height; | |
485 bool truncated_y; | |
486 const char* output; | |
487 } cases[] = { | |
488 { "", 0, 0, false, NULL }, | |
489 { "", 1, 1, false, NULL }, | |
490 { "Test", test_width, 0, true, NULL }, | |
491 { "Test", test_width, 1, false, "Test" }, | |
492 { "Test", test_width, line_height, false, "Test" }, | |
493 { "Test Test", test_width, line_height, true, "Test" }, | |
494 { "Test Test", test_width, line_height + 1, false, "Test|Test" }, | |
495 { "Test Test", test_width, line_height * 2, false, "Test|Test" }, | |
496 { "Test Test", test_width, line_height * 3, false, "Test|Test" }, | |
497 { "Test Test", test_width * 2, line_height * 2, false, "Test|Test" }, | |
498 { "Test Test", test_width * 3, line_height, false, "Test Test" }, | |
499 { "Test\nTest", test_width * 3, line_height * 2, false, "Test|Test" }, | |
500 { "Te\nst Te", test_width, line_height * 3, false, "Te|st|Te" }, | |
501 { "\nTest", test_width, line_height * 2, false, "|Test" }, | |
502 { "\nTest", test_width, line_height, true, "" }, | |
503 { "\n\nTest", test_width, line_height * 3, false, "||Test" }, | |
504 { "\n\nTest", test_width, line_height * 2, true, "|" }, | |
505 { "Test\n", 2 * test_width, line_height * 5, false, "Test|" }, | |
506 { "Test\n\n", 2 * test_width, line_height * 5, false, "Test||" }, | |
507 { "Test\n\n\n", 2 * test_width, line_height * 5, false, "Test|||" }, | |
508 { "Test\nTest\n\n", 2 * test_width, line_height * 5, false, "Test|Test||" }, | |
509 { "Test\n\nTest\n", 2 * test_width, line_height * 5, false, "Test||Test|" }, | |
510 { "Test\n\n\nTest", 2 * test_width, line_height * 5, false, "Test|||Test" }, | |
511 { "Te ", test_width, line_height, false, "Te" }, | |
512 { "Te Te Test", test_width, 3 * line_height, false, "Te|Te|Test" }, | |
513 }; | |
514 | |
515 for (size_t i = 0; i < arraysize(cases); ++i) { | |
516 std::vector<base::string16> lines; | |
517 EXPECT_EQ(cases[i].truncated_y ? INSUFFICIENT_SPACE_VERTICAL : 0, | |
518 ElideRectangleText(UTF8ToUTF16(cases[i].input), | |
519 font_list, | |
520 cases[i].available_pixel_width, | |
521 cases[i].available_pixel_height, | |
522 TRUNCATE_LONG_WORDS, | |
523 &lines)); | |
524 if (cases[i].output) { | |
525 const std::string result = UTF16ToUTF8(JoinString(lines, '|')); | |
526 EXPECT_EQ(cases[i].output, result) << "Case " << i << " failed!"; | |
527 } else { | |
528 EXPECT_TRUE(lines.empty()) << "Case " << i << " failed!"; | |
529 } | |
530 } | |
531 } | |
532 | |
533 // TODO(338784): Enable this on android. | |
534 #if defined(OS_ANDROID) | |
535 #define MAYBE_ElideRectangleTextPunctuation \ | |
536 DISABLED_ElideRectangleTextPunctuation | |
537 #else | |
538 #define MAYBE_ElideRectangleTextPunctuation ElideRectangleTextPunctuation | |
539 #endif | |
540 TEST(TextEliderTest, MAYBE_ElideRectangleTextPunctuation) { | |
541 const FontList font_list; | |
542 const int line_height = font_list.GetHeight(); | |
543 const float test_width = GetStringWidthF(ASCIIToUTF16("Test"), font_list); | |
544 const float test_t_width = GetStringWidthF(ASCIIToUTF16("Test T"), font_list); | |
545 | |
546 struct TestData { | |
547 const char* input; | |
548 float available_pixel_width; | |
549 int available_pixel_height; | |
550 bool wrap_words; | |
551 bool truncated_x; | |
552 const char* output; | |
553 } cases[] = { | |
554 { "Test T.", test_t_width, line_height * 2, false, false, "Test|T." }, | |
555 { "Test T ?", test_t_width, line_height * 2, false, false, "Test|T ?" }, | |
556 { "Test. Test", test_width, line_height * 3, false, true, "Test|Test" }, | |
557 { "Test. Test", test_width, line_height * 3, true, false, "Test|.|Test" }, | |
558 }; | |
559 | |
560 for (size_t i = 0; i < arraysize(cases); ++i) { | |
561 std::vector<base::string16> lines; | |
562 const WordWrapBehavior wrap_behavior = | |
563 (cases[i].wrap_words ? WRAP_LONG_WORDS : TRUNCATE_LONG_WORDS); | |
564 EXPECT_EQ(cases[i].truncated_x ? INSUFFICIENT_SPACE_HORIZONTAL : 0, | |
565 ElideRectangleText(UTF8ToUTF16(cases[i].input), | |
566 font_list, | |
567 cases[i].available_pixel_width, | |
568 cases[i].available_pixel_height, | |
569 wrap_behavior, | |
570 &lines)); | |
571 if (cases[i].output) { | |
572 const std::string result = UTF16ToUTF8(JoinString(lines, '|')); | |
573 EXPECT_EQ(cases[i].output, result) << "Case " << i << " failed!"; | |
574 } else { | |
575 EXPECT_TRUE(lines.empty()) << "Case " << i << " failed!"; | |
576 } | |
577 } | |
578 } | |
579 | |
580 // TODO(338784): Enable this on android. | |
581 #if defined(OS_ANDROID) | |
582 #define MAYBE_ElideRectangleTextLongWords DISABLED_ElideRectangleTextLongWords | |
583 #else | |
584 #define MAYBE_ElideRectangleTextLongWords ElideRectangleTextLongWords | |
585 #endif | |
586 TEST(TextEliderTest, MAYBE_ElideRectangleTextLongWords) { | |
587 const FontList font_list; | |
588 const int kAvailableHeight = 1000; | |
589 const base::string16 kElidedTesting = | |
590 UTF8ToUTF16(std::string("Tes") + kEllipsis); | |
591 const float elided_width = GetStringWidthF(kElidedTesting, font_list); | |
592 const float test_width = GetStringWidthF(ASCIIToUTF16("Test"), font_list); | |
593 | |
594 struct TestData { | |
595 const char* input; | |
596 float available_pixel_width; | |
597 WordWrapBehavior wrap_behavior; | |
598 bool truncated_x; | |
599 const char* output; | |
600 } cases[] = { | |
601 { "Testing", test_width, IGNORE_LONG_WORDS, false, "Testing" }, | |
602 { "X Testing", test_width, IGNORE_LONG_WORDS, false, "X|Testing" }, | |
603 { "Test Testing", test_width, IGNORE_LONG_WORDS, false, "Test|Testing" }, | |
604 { "Test\nTesting", test_width, IGNORE_LONG_WORDS, false, "Test|Testing" }, | |
605 { "Test Tests ", test_width, IGNORE_LONG_WORDS, false, "Test|Tests" }, | |
606 { "Test Tests T", test_width, IGNORE_LONG_WORDS, false, "Test|Tests|T" }, | |
607 | |
608 { "Testing", elided_width, ELIDE_LONG_WORDS, true, "Tes..." }, | |
609 { "X Testing", elided_width, ELIDE_LONG_WORDS, true, "X|Tes..." }, | |
610 { "Test Testing", elided_width, ELIDE_LONG_WORDS, true, "Test|Tes..." }, | |
611 { "Test\nTesting", elided_width, ELIDE_LONG_WORDS, true, "Test|Tes..." }, | |
612 | |
613 { "Testing", test_width, TRUNCATE_LONG_WORDS, true, "Test" }, | |
614 { "X Testing", test_width, TRUNCATE_LONG_WORDS, true, "X|Test" }, | |
615 { "Test Testing", test_width, TRUNCATE_LONG_WORDS, true, "Test|Test" }, | |
616 { "Test\nTesting", test_width, TRUNCATE_LONG_WORDS, true, "Test|Test" }, | |
617 { "Test Tests ", test_width, TRUNCATE_LONG_WORDS, true, "Test|Test" }, | |
618 { "Test Tests T", test_width, TRUNCATE_LONG_WORDS, true, "Test|Test|T" }, | |
619 | |
620 { "Testing", test_width, WRAP_LONG_WORDS, false, "Test|ing" }, | |
621 { "X Testing", test_width, WRAP_LONG_WORDS, false, "X|Test|ing" }, | |
622 { "Test Testing", test_width, WRAP_LONG_WORDS, false, "Test|Test|ing" }, | |
623 { "Test\nTesting", test_width, WRAP_LONG_WORDS, false, "Test|Test|ing" }, | |
624 { "Test Tests ", test_width, WRAP_LONG_WORDS, false, "Test|Test|s" }, | |
625 { "Test Tests T", test_width, WRAP_LONG_WORDS, false, "Test|Test|s T" }, | |
626 { "TestTestTest", test_width, WRAP_LONG_WORDS, false, "Test|Test|Test" }, | |
627 { "TestTestTestT", test_width, WRAP_LONG_WORDS, false, "Test|Test|Test|T" }, | |
628 }; | |
629 | |
630 for (size_t i = 0; i < arraysize(cases); ++i) { | |
631 std::vector<base::string16> lines; | |
632 EXPECT_EQ(cases[i].truncated_x ? INSUFFICIENT_SPACE_HORIZONTAL : 0, | |
633 ElideRectangleText(UTF8ToUTF16(cases[i].input), | |
634 font_list, | |
635 cases[i].available_pixel_width, | |
636 kAvailableHeight, | |
637 cases[i].wrap_behavior, | |
638 &lines)); | |
639 std::string expected_output(cases[i].output); | |
640 ReplaceSubstringsAfterOffset(&expected_output, 0, "...", kEllipsis); | |
641 const std::string result = UTF16ToUTF8(JoinString(lines, '|')); | |
642 EXPECT_EQ(expected_output, result) << "Case " << i << " failed!"; | |
643 } | |
644 } | |
645 | |
646 // This test is to make sure that the width of each wrapped line does not | |
647 // exceed the available width. On some platform like Mac, this test used to | |
648 // fail because the truncated integer width is returned for the string | |
649 // and the accumulation of the truncated values causes the elide function | |
650 // to wrap incorrectly. | |
651 // TODO(338784): Enable this on android. | |
652 #if defined(OS_ANDROID) | |
653 #define MAYBE_ElideRectangleTextCheckLineWidth \ | |
654 DISABLED_ElideRectangleTextCheckLineWidth | |
655 #else | |
656 #define MAYBE_ElideRectangleTextCheckLineWidth ElideRectangleTextCheckLineWidth | |
657 #endif | |
658 TEST(TextEliderTest, MAYBE_ElideRectangleTextCheckLineWidth) { | |
659 FontList font_list; | |
660 #if defined(OS_MACOSX) && !defined(OS_IOS) | |
661 // Use a specific font to expose the line width exceeding problem. | |
662 font_list = FontList(Font("LucidaGrande", 12)); | |
663 #endif | |
664 const float kAvailableWidth = 235; | |
665 const int kAvailableHeight = 1000; | |
666 const char text[] = "that Russian place we used to go to after fencing"; | |
667 std::vector<base::string16> lines; | |
668 EXPECT_EQ(0, ElideRectangleText(UTF8ToUTF16(text), | |
669 font_list, | |
670 kAvailableWidth, | |
671 kAvailableHeight, | |
672 WRAP_LONG_WORDS, | |
673 &lines)); | |
674 ASSERT_EQ(2u, lines.size()); | |
675 EXPECT_LE(GetStringWidthF(lines[0], font_list), kAvailableWidth); | |
676 EXPECT_LE(GetStringWidthF(lines[1], font_list), kAvailableWidth); | |
677 } | |
678 | |
679 TEST(TextEliderTest, ElideRectangleString) { | |
680 struct TestData { | |
681 const char* input; | |
682 int max_rows; | |
683 int max_cols; | |
684 bool result; | |
685 const char* output; | |
686 } cases[] = { | |
687 { "", 0, 0, false, "" }, | |
688 { "", 1, 1, false, "" }, | |
689 { "Hi, my name is\nTom", 0, 0, true, "..." }, | |
690 { "Hi, my name is\nTom", 1, 0, true, "\n..." }, | |
691 { "Hi, my name is\nTom", 0, 1, true, "..." }, | |
692 { "Hi, my name is\nTom", 1, 1, true, "H\n..." }, | |
693 { "Hi, my name is\nTom", 2, 1, true, "H\ni\n..." }, | |
694 { "Hi, my name is\nTom", 3, 1, true, "H\ni\n,\n..." }, | |
695 { "Hi, my name is\nTom", 4, 1, true, "H\ni\n,\n \n..." }, | |
696 { "Hi, my name is\nTom", 5, 1, true, "H\ni\n,\n \nm\n..." }, | |
697 { "Hi, my name is\nTom", 0, 2, true, "..." }, | |
698 { "Hi, my name is\nTom", 1, 2, true, "Hi\n..." }, | |
699 { "Hi, my name is\nTom", 2, 2, true, "Hi\n, \n..." }, | |
700 { "Hi, my name is\nTom", 3, 2, true, "Hi\n, \nmy\n..." }, | |
701 { "Hi, my name is\nTom", 4, 2, true, "Hi\n, \nmy\n n\n..." }, | |
702 { "Hi, my name is\nTom", 5, 2, true, "Hi\n, \nmy\n n\nam\n..." }, | |
703 { "Hi, my name is\nTom", 0, 3, true, "..." }, | |
704 { "Hi, my name is\nTom", 1, 3, true, "Hi,\n..." }, | |
705 { "Hi, my name is\nTom", 2, 3, true, "Hi,\n my\n..." }, | |
706 { "Hi, my name is\nTom", 3, 3, true, "Hi,\n my\n na\n..." }, | |
707 { "Hi, my name is\nTom", 4, 3, true, "Hi,\n my\n na\nme \n..." }, | |
708 { "Hi, my name is\nTom", 5, 3, true, "Hi,\n my\n na\nme \nis\n..." }, | |
709 { "Hi, my name is\nTom", 1, 4, true, "Hi, \n..." }, | |
710 { "Hi, my name is\nTom", 2, 4, true, "Hi, \nmy n\n..." }, | |
711 { "Hi, my name is\nTom", 3, 4, true, "Hi, \nmy n\name \n..." }, | |
712 { "Hi, my name is\nTom", 4, 4, true, "Hi, \nmy n\name \nis\n..." }, | |
713 { "Hi, my name is\nTom", 5, 4, false, "Hi, \nmy n\name \nis\nTom" }, | |
714 { "Hi, my name is\nTom", 1, 5, true, "Hi, \n..." }, | |
715 { "Hi, my name is\nTom", 2, 5, true, "Hi, \nmy na\n..." }, | |
716 { "Hi, my name is\nTom", 3, 5, true, "Hi, \nmy na\nme \n..." }, | |
717 { "Hi, my name is\nTom", 4, 5, true, "Hi, \nmy na\nme \nis\n..." }, | |
718 { "Hi, my name is\nTom", 5, 5, false, "Hi, \nmy na\nme \nis\nTom" }, | |
719 { "Hi, my name is\nTom", 1, 6, true, "Hi, \n..." }, | |
720 { "Hi, my name is\nTom", 2, 6, true, "Hi, \nmy \n..." }, | |
721 { "Hi, my name is\nTom", 3, 6, true, "Hi, \nmy \nname \n..." }, | |
722 { "Hi, my name is\nTom", 4, 6, true, "Hi, \nmy \nname \nis\n..." }, | |
723 { "Hi, my name is\nTom", 5, 6, false, "Hi, \nmy \nname \nis\nTom" }, | |
724 { "Hi, my name is\nTom", 1, 7, true, "Hi, \n..." }, | |
725 { "Hi, my name is\nTom", 2, 7, true, "Hi, \nmy \n..." }, | |
726 { "Hi, my name is\nTom", 3, 7, true, "Hi, \nmy \nname \n..." }, | |
727 { "Hi, my name is\nTom", 4, 7, true, "Hi, \nmy \nname \nis\n..." }, | |
728 { "Hi, my name is\nTom", 5, 7, false, "Hi, \nmy \nname \nis\nTom" }, | |
729 { "Hi, my name is\nTom", 1, 8, true, "Hi, my \n..." }, | |
730 { "Hi, my name is\nTom", 2, 8, true, "Hi, my \nname \n..." }, | |
731 { "Hi, my name is\nTom", 3, 8, true, "Hi, my \nname \nis\n..." }, | |
732 { "Hi, my name is\nTom", 4, 8, false, "Hi, my \nname \nis\nTom" }, | |
733 { "Hi, my name is\nTom", 1, 9, true, "Hi, my \n..." }, | |
734 { "Hi, my name is\nTom", 2, 9, true, "Hi, my \nname is\n..." }, | |
735 { "Hi, my name is\nTom", 3, 9, false, "Hi, my \nname is\nTom" }, | |
736 { "Hi, my name is\nTom", 1, 10, true, "Hi, my \n..." }, | |
737 { "Hi, my name is\nTom", 2, 10, true, "Hi, my \nname is\n..." }, | |
738 { "Hi, my name is\nTom", 3, 10, false, "Hi, my \nname is\nTom" }, | |
739 { "Hi, my name is\nTom", 1, 11, true, "Hi, my \n..." }, | |
740 { "Hi, my name is\nTom", 2, 11, true, "Hi, my \nname is\n..." }, | |
741 { "Hi, my name is\nTom", 3, 11, false, "Hi, my \nname is\nTom" }, | |
742 { "Hi, my name is\nTom", 1, 12, true, "Hi, my \n..." }, | |
743 { "Hi, my name is\nTom", 2, 12, true, "Hi, my \nname is\n..." }, | |
744 { "Hi, my name is\nTom", 3, 12, false, "Hi, my \nname is\nTom" }, | |
745 { "Hi, my name is\nTom", 1, 13, true, "Hi, my name \n..." }, | |
746 { "Hi, my name is\nTom", 2, 13, true, "Hi, my name \nis\n..." }, | |
747 { "Hi, my name is\nTom", 3, 13, false, "Hi, my name \nis\nTom" }, | |
748 { "Hi, my name is\nTom", 1, 20, true, "Hi, my name is\n..." }, | |
749 { "Hi, my name is\nTom", 2, 20, false, "Hi, my name is\nTom" }, | |
750 { "Hi, my name is Tom", 1, 40, false, "Hi, my name is Tom" }, | |
751 }; | |
752 base::string16 output; | |
753 for (size_t i = 0; i < arraysize(cases); ++i) { | |
754 EXPECT_EQ(cases[i].result, | |
755 ElideRectangleString(UTF8ToUTF16(cases[i].input), | |
756 cases[i].max_rows, cases[i].max_cols, | |
757 true, &output)); | |
758 EXPECT_EQ(cases[i].output, UTF16ToUTF8(output)); | |
759 } | |
760 } | |
761 | |
762 TEST(TextEliderTest, ElideRectangleStringNotStrict) { | |
763 struct TestData { | |
764 const char* input; | |
765 int max_rows; | |
766 int max_cols; | |
767 bool result; | |
768 const char* output; | |
769 } cases[] = { | |
770 { "", 0, 0, false, "" }, | |
771 { "", 1, 1, false, "" }, | |
772 { "Hi, my name_is\nDick", 0, 0, true, "..." }, | |
773 { "Hi, my name_is\nDick", 1, 0, true, "\n..." }, | |
774 { "Hi, my name_is\nDick", 0, 1, true, "..." }, | |
775 { "Hi, my name_is\nDick", 1, 1, true, "H\n..." }, | |
776 { "Hi, my name_is\nDick", 2, 1, true, "H\ni\n..." }, | |
777 { "Hi, my name_is\nDick", 3, 1, true, "H\ni\n,\n..." }, | |
778 { "Hi, my name_is\nDick", 4, 1, true, "H\ni\n,\n \n..." }, | |
779 { "Hi, my name_is\nDick", 5, 1, true, "H\ni\n,\n \nm\n..." }, | |
780 { "Hi, my name_is\nDick", 0, 2, true, "..." }, | |
781 { "Hi, my name_is\nDick", 1, 2, true, "Hi\n..." }, | |
782 { "Hi, my name_is\nDick", 2, 2, true, "Hi\n, \n..." }, | |
783 { "Hi, my name_is\nDick", 3, 2, true, "Hi\n, \nmy\n..." }, | |
784 { "Hi, my name_is\nDick", 4, 2, true, "Hi\n, \nmy\n n\n..." }, | |
785 { "Hi, my name_is\nDick", 5, 2, true, "Hi\n, \nmy\n n\nam\n..." }, | |
786 { "Hi, my name_is\nDick", 0, 3, true, "..." }, | |
787 { "Hi, my name_is\nDick", 1, 3, true, "Hi,\n..." }, | |
788 { "Hi, my name_is\nDick", 2, 3, true, "Hi,\n my\n..." }, | |
789 { "Hi, my name_is\nDick", 3, 3, true, "Hi,\n my\n na\n..." }, | |
790 { "Hi, my name_is\nDick", 4, 3, true, "Hi,\n my\n na\nme_\n..." }, | |
791 { "Hi, my name_is\nDick", 5, 3, true, "Hi,\n my\n na\nme_\nis\n..." }, | |
792 { "Hi, my name_is\nDick", 1, 4, true, "Hi, ..." }, | |
793 { "Hi, my name_is\nDick", 2, 4, true, "Hi, my n\n..." }, | |
794 { "Hi, my name_is\nDick", 3, 4, true, "Hi, my n\name_\n..." }, | |
795 { "Hi, my name_is\nDick", 4, 4, true, "Hi, my n\name_\nis\n..." }, | |
796 { "Hi, my name_is\nDick", 5, 4, false, "Hi, my n\name_\nis\nDick" }, | |
797 { "Hi, my name_is\nDick", 1, 5, true, "Hi, ..." }, | |
798 { "Hi, my name_is\nDick", 2, 5, true, "Hi, my na\n..." }, | |
799 { "Hi, my name_is\nDick", 3, 5, true, "Hi, my na\nme_is\n..." }, | |
800 { "Hi, my name_is\nDick", 4, 5, true, "Hi, my na\nme_is\n\n..." }, | |
801 { "Hi, my name_is\nDick", 5, 5, false, "Hi, my na\nme_is\n\nDick" }, | |
802 { "Hi, my name_is\nDick", 1, 6, true, "Hi, ..." }, | |
803 { "Hi, my name_is\nDick", 2, 6, true, "Hi, my nam\n..." }, | |
804 { "Hi, my name_is\nDick", 3, 6, true, "Hi, my nam\ne_is\n..." }, | |
805 { "Hi, my name_is\nDick", 4, 6, false, "Hi, my nam\ne_is\nDick" }, | |
806 { "Hi, my name_is\nDick", 5, 6, false, "Hi, my nam\ne_is\nDick" }, | |
807 { "Hi, my name_is\nDick", 1, 7, true, "Hi, ..." }, | |
808 { "Hi, my name_is\nDick", 2, 7, true, "Hi, my name\n..." }, | |
809 { "Hi, my name_is\nDick", 3, 7, true, "Hi, my name\n_is\n..." }, | |
810 { "Hi, my name_is\nDick", 4, 7, false, "Hi, my name\n_is\nDick" }, | |
811 { "Hi, my name_is\nDick", 5, 7, false, "Hi, my name\n_is\nDick" }, | |
812 { "Hi, my name_is\nDick", 1, 8, true, "Hi, my n\n..." }, | |
813 { "Hi, my name_is\nDick", 2, 8, true, "Hi, my n\name_is\n..." }, | |
814 { "Hi, my name_is\nDick", 3, 8, false, "Hi, my n\name_is\nDick" }, | |
815 { "Hi, my name_is\nDick", 1, 9, true, "Hi, my ..." }, | |
816 { "Hi, my name_is\nDick", 2, 9, true, "Hi, my name_is\n..." }, | |
817 { "Hi, my name_is\nDick", 3, 9, false, "Hi, my name_is\nDick" }, | |
818 { "Hi, my name_is\nDick", 1, 10, true, "Hi, my ..." }, | |
819 { "Hi, my name_is\nDick", 2, 10, true, "Hi, my name_is\n..." }, | |
820 { "Hi, my name_is\nDick", 3, 10, false, "Hi, my name_is\nDick" }, | |
821 { "Hi, my name_is\nDick", 1, 11, true, "Hi, my ..." }, | |
822 { "Hi, my name_is\nDick", 2, 11, true, "Hi, my name_is\n..." }, | |
823 { "Hi, my name_is\nDick", 3, 11, false, "Hi, my name_is\nDick" }, | |
824 { "Hi, my name_is\nDick", 1, 12, true, "Hi, my ..." }, | |
825 { "Hi, my name_is\nDick", 2, 12, true, "Hi, my name_is\n..." }, | |
826 { "Hi, my name_is\nDick", 3, 12, false, "Hi, my name_is\nDick" }, | |
827 { "Hi, my name_is\nDick", 1, 13, true, "Hi, my ..." }, | |
828 { "Hi, my name_is\nDick", 2, 13, true, "Hi, my name_is\n..." }, | |
829 { "Hi, my name_is\nDick", 3, 13, false, "Hi, my name_is\nDick" }, | |
830 { "Hi, my name_is\nDick", 1, 20, true, "Hi, my name_is\n..." }, | |
831 { "Hi, my name_is\nDick", 2, 20, false, "Hi, my name_is\nDick" }, | |
832 { "Hi, my name_is Dick", 1, 40, false, "Hi, my name_is Dick" }, | |
833 }; | |
834 base::string16 output; | |
835 for (size_t i = 0; i < arraysize(cases); ++i) { | |
836 EXPECT_EQ(cases[i].result, | |
837 ElideRectangleString(UTF8ToUTF16(cases[i].input), | |
838 cases[i].max_rows, cases[i].max_cols, | |
839 false, &output)); | |
840 EXPECT_EQ(cases[i].output, UTF16ToUTF8(output)); | |
841 } | |
842 } | |
843 | |
844 TEST(TextEliderTest, ElideRectangleWide16) { | |
845 // Two greek words separated by space. | |
846 const base::string16 str(WideToUTF16( | |
847 L"\x03a0\x03b1\x03b3\x03ba\x03cc\x03c3\x03bc\x03b9" | |
848 L"\x03bf\x03c2\x0020\x0399\x03c3\x03c4\x03cc\x03c2")); | |
849 const base::string16 out1(WideToUTF16( | |
850 L"\x03a0\x03b1\x03b3\x03ba\n" | |
851 L"\x03cc\x03c3\x03bc\x03b9\n" | |
852 L"...")); | |
853 const base::string16 out2(WideToUTF16( | |
854 L"\x03a0\x03b1\x03b3\x03ba\x03cc\x03c3\x03bc\x03b9\x03bf\x03c2\x0020\n" | |
855 L"\x0399\x03c3\x03c4\x03cc\x03c2")); | |
856 base::string16 output; | |
857 EXPECT_TRUE(ElideRectangleString(str, 2, 4, true, &output)); | |
858 EXPECT_EQ(out1, output); | |
859 EXPECT_FALSE(ElideRectangleString(str, 2, 12, true, &output)); | |
860 EXPECT_EQ(out2, output); | |
861 } | |
862 | |
863 TEST(TextEliderTest, ElideRectangleWide32) { | |
864 // Four U+1D49C MATHEMATICAL SCRIPT CAPITAL A followed by space "aaaaa". | |
865 const base::string16 str(UTF8ToUTF16( | |
866 "\xF0\x9D\x92\x9C\xF0\x9D\x92\x9C\xF0\x9D\x92\x9C\xF0\x9D\x92\x9C" | |
867 " aaaaa")); | |
868 const base::string16 out(UTF8ToUTF16( | |
869 "\xF0\x9D\x92\x9C\xF0\x9D\x92\x9C\xF0\x9D\x92\x9C\n" | |
870 "\xF0\x9D\x92\x9C \naaa\n...")); | |
871 base::string16 output; | |
872 EXPECT_TRUE(ElideRectangleString(str, 3, 3, true, &output)); | |
873 EXPECT_EQ(out, output); | |
874 } | |
875 | |
876 TEST(TextEliderTest, TruncateString) { | |
877 base::string16 string = ASCIIToUTF16("foooooey bxxxar baz"); | |
878 | |
879 // Tests that apply to both break behaviors: | |
880 | |
881 // Make sure it doesn't modify the string if length > string length. | |
882 EXPECT_EQ(string, TruncateString(string, 100, WORD_BREAK)); | |
883 EXPECT_EQ(string, TruncateString(string, 100, CHARACTER_BREAK)); | |
884 | |
885 // Test no characters. | |
886 EXPECT_EQ(L"", UTF16ToWide(TruncateString(string, 0, WORD_BREAK))); | |
887 EXPECT_EQ(L"", UTF16ToWide(TruncateString(string, 0, CHARACTER_BREAK))); | |
888 | |
889 // Test 1 character. | |
890 EXPECT_EQ(L"\x2026", UTF16ToWide(TruncateString(string, 1, WORD_BREAK))); | |
891 EXPECT_EQ(L"\x2026", UTF16ToWide(TruncateString(string, 1, CHARACTER_BREAK))); | |
892 | |
893 // Test completely truncates string if break is on initial whitespace. | |
894 EXPECT_EQ(L"\x2026", | |
895 UTF16ToWide(TruncateString(ASCIIToUTF16(" "), 2, WORD_BREAK))); | |
896 EXPECT_EQ(L"\x2026", | |
897 UTF16ToWide(TruncateString(ASCIIToUTF16(" "), 2, | |
898 CHARACTER_BREAK))); | |
899 | |
900 // Break-only-at-word-boundaries tests: | |
901 | |
902 // Test adds ... at right spot when there is enough room to break at a | |
903 // word boundary. | |
904 EXPECT_EQ(L"foooooey\x2026", UTF16ToWide(TruncateString(string, 14, | |
905 WORD_BREAK))); | |
906 | |
907 // Test adds ... at right spot when there is not enough space in first word. | |
908 EXPECT_EQ(L"f\x2026", UTF16ToWide(TruncateString(string, 2, WORD_BREAK))); | |
909 | |
910 // Test adds ... at right spot when there is not enough room to break at a | |
911 // word boundary. | |
912 EXPECT_EQ(L"foooooey\x2026", UTF16ToWide(TruncateString(string, 11, | |
913 WORD_BREAK))); | |
914 | |
915 // Break-anywhere tests: | |
916 | |
917 // Test adds ... at right spot within a word. | |
918 EXPECT_EQ(L"f\x2026", UTF16ToWide(TruncateString(string, 2, | |
919 CHARACTER_BREAK))); | |
920 | |
921 // Test removes trailing whitespace if break falls between words. | |
922 EXPECT_EQ(L"foooooey\x2026", UTF16ToWide(TruncateString(string, 12, | |
923 CHARACTER_BREAK))); | |
924 } | |
925 | |
926 } // namespace gfx | |
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