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/base/text/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 "url/gurl.h" 17 18 namespace ui { 19 20 namespace { 21 22 struct Testcase { 23 const std::string input; 24 const std::string output; 25 }; 26 27 struct FileTestcase { 28 const base::FilePath::StringType input; 29 const std::string output; 30 }; 31 32 struct UTF16Testcase { 33 const string16 input; 34 const string16 output; 35 }; 36 37 struct TestData { 38 const std::string a; 39 const std::string b; 40 const int compare_result; 41 }; 42 43 void RunUrlTest(Testcase* testcases, size_t num_testcases) { 44 static const gfx::Font font; 45 for (size_t i = 0; i < num_testcases; ++i) { 46 const GURL url(testcases[i].input); 47 // Should we test with non-empty language list? 48 // That's kinda redundant with net_util_unittests. 49 EXPECT_EQ(UTF8ToUTF16(testcases[i].output), 50 ElideUrl(url, font, 51 font.GetStringWidth(UTF8ToUTF16(testcases[i].output)), 52 std::string())); 53 } 54 } 55 56 } // namespace 57 58 // TODO(ios): Complex eliding is off by one for some of those tests on iOS. 59 // See crbug.com/154019 60 #if defined(OS_IOS) 61 #define MAYBE_ElideEmail DISABLED_ElideEmail 62 #else 63 #define MAYBE_ElideEmail ElideEmail 64 #endif 65 TEST(TextEliderTest, MAYBE_ElideEmail) { 66 const std::string kEllipsisStr(kEllipsis); 67 68 // Test emails and their expected elided forms (from which the available 69 // widths will be derived). 70 // For elided forms in which both the username and domain must be elided: 71 // the result (how many characters are left on each side) can be font 72 // dependent. To avoid this, the username is prefixed with the characters 73 // expected to remain in the domain. 74 Testcase testcases[] = { 75 {"g (at) g.c", "g (at) g.c"}, 76 {"g (at) g.c", kEllipsisStr}, 77 {"ga (at) co.ca", "ga@c" + kEllipsisStr + "a"}, 78 {"short (at) small.com", "s" + kEllipsisStr + "@s" + kEllipsisStr}, 79 {"short (at) small.com", "s" + kEllipsisStr + "@small.com"}, 80 {"short (at) longbutlotsofspace.com", "short (at) longbutlotsofspace.com"}, 81 {"short (at) longbutnotverymuchspace.com", 82 "short@long" + kEllipsisStr + ".com"}, 83 {"la_short (at) longbutverytightspace.ca", 84 "la" + kEllipsisStr + "@l" + kEllipsisStr + "a"}, 85 {"longusername (at) gmail.com", "long" + kEllipsisStr + "@gmail.com"}, 86 {"elidetothemax (at) justfits.com", "e" + kEllipsisStr + "@justfits.com"}, 87 {"thatom_somelongemail (at) thatdoesntfit.com", 88 "thatom" + kEllipsisStr + "@tha" + kEllipsisStr + "om"}, 89 {"namefits (at) butthedomaindoesnt.com", 90 "namefits@butthedo" + kEllipsisStr + "snt.com"}, 91 {"widthtootight (at) nospace.com", kEllipsisStr}, 92 {"nospaceforusername@l", kEllipsisStr}, 93 {"little (at) littlespace.com", "l" + kEllipsisStr + "@l" + kEllipsisStr}, 94 {"l (at) llllllllllllllllllllllll.com", "l@lllll" + kEllipsisStr + ".com"}, 95 {"messed\"up@whyanat\"++@notgoogley.com", 96 "messed\"up@whyanat\"++@notgoogley.com"}, 97 {"messed\"up@whyanat\"++@notgoogley.com", 98 "messed\"up@why" + kEllipsisStr + "@notgoogley.com"}, 99 {"noca_messed\"up@whyanat\"++@notgoogley.ca", 100 "noca" + kEllipsisStr + "@no" + kEllipsisStr + "ca"}, 101 {"at\"@@@@@@@@@...@@.@.@.@@@\"@madness.com", 102 "at\"@@@@@@@@@...@@.@." + kEllipsisStr + "@madness.com"}, 103 // Special case: "m..." takes more than half of the available width; thus 104 // the domain must elide to "l..." and not "l...l" as it must allow enough 105 // space for the minimal username elision although its half of the 106 // available width would normally allow it to elide to "l...l". 107 {"mmmmm@llllllllll", "m" + kEllipsisStr + "@l" + kEllipsisStr}, 108 }; 109 110 const gfx::Font font; 111 for (size_t i = 0; i < arraysize(testcases); ++i) { 112 const string16 expected_output = UTF8ToUTF16(testcases[i].output); 113 EXPECT_EQ(expected_output, 114 ElideEmail(UTF8ToUTF16(testcases[i].input), 115 font, 116 font.GetStringWidth(expected_output))); 117 } 118 } 119 120 TEST(TextEliderTest, ElideEmailMoreSpace) { 121 const int test_width_factors[] = { 122 100, 123 10000, 124 1000000, 125 }; 126 const std::string test_emails[] = { 127 "a@c", 128 "test (at) email.com", 129 "short (at) verysuperdupperlongdomain.com", 130 "supermegalongusername (at) withasuperlonnnggggdomain.gouv.qc.ca", 131 }; 132 133 const gfx::Font font; 134 for (size_t i = 0; i < arraysize(test_width_factors); ++i) { 135 const int test_width = test_width_factors[i] * 136 font.GetAverageCharacterWidth(); 137 for (size_t j = 0; j < arraysize(test_emails); ++j) { 138 // Extra space is available: the email should not be elided. 139 const string16 test_email = UTF8ToUTF16(test_emails[j]); 140 EXPECT_EQ(test_email, ElideEmail(test_email, font, test_width)); 141 } 142 } 143 } 144 145 // Test eliding of commonplace URLs. 146 TEST(TextEliderTest, TestGeneralEliding) { 147 const std::string kEllipsisStr(kEllipsis); 148 Testcase testcases[] = { 149 {"http://www.google.com/intl/en/ads/", 150 "www.google.com/intl/en/ads/"}, 151 {"http://www.google.com/intl/en/ads/", "www.google.com/intl/en/ads/"}, 152 {"http://www.google.com/intl/en/ads/", 153 "google.com/intl/" + kEllipsisStr + "/ads/"}, 154 {"http://www.google.com/intl/en/ads/", 155 "google.com/" + kEllipsisStr + "/ads/"}, 156 {"http://www.google.com/intl/en/ads/", "google.com/" + kEllipsisStr}, 157 {"http://www.google.com/intl/en/ads/", "goog" + kEllipsisStr}, 158 {"https://subdomain.foo.com/bar/filename.html", 159 "subdomain.foo.com/bar/filename.html"}, 160 {"https://subdomain.foo.com/bar/filename.html", 161 "subdomain.foo.com/" + kEllipsisStr + "/filename.html"}, 162 {"http://subdomain.foo.com/bar/filename.html", 163 kEllipsisStr + "foo.com/" + kEllipsisStr + "/filename.html"}, 164 {"http://www.google.com/intl/en/ads/?aLongQueryWhichIsNotRequired", 165 "www.google.com/intl/en/ads/?aLongQ" + kEllipsisStr}, 166 }; 167 168 RunUrlTest(testcases, arraysize(testcases)); 169 } 170 171 // When there is very little space available, the elision code will shorten 172 // both path AND file name to an ellipsis - ".../...". To avoid this result, 173 // there is a hack in place that simply treats them as one string in this 174 // case. 175 TEST(TextEliderTest, TestTrailingEllipsisSlashEllipsisHack) { 176 const std::string kEllipsisStr(kEllipsis); 177 178 // Very little space, would cause double ellipsis. 179 gfx::Font font; 180 GURL url("http://battersbox.com/directory/foo/peter_paul_and_mary.html"); 181 int available_width = font.GetStringWidth( 182 UTF8ToUTF16("battersbox.com/" + kEllipsisStr + "/" + kEllipsisStr)); 183 184 // Create the expected string, after elision. Depending on font size, the 185 // directory might become /dir... or /di... or/d... - it never should be 186 // shorter than that. (If it is, the font considers d... to be longer 187 // than .../... - that should never happen). 188 ASSERT_GT(font.GetStringWidth(UTF8ToUTF16(kEllipsisStr + "/" + kEllipsisStr)), 189 font.GetStringWidth(UTF8ToUTF16("d" + kEllipsisStr))); 190 GURL long_url("http://battersbox.com/directorynameisreallylongtoforcetrunc"); 191 string16 expected = ElideUrl(long_url, font, available_width, std::string()); 192 // Ensure that the expected result still contains part of the directory name. 193 ASSERT_GT(expected.length(), std::string("battersbox.com/d").length()); 194 EXPECT_EQ(expected, 195 ElideUrl(url, font, available_width, std::string())); 196 197 // More space available - elide directories, partially elide filename. 198 Testcase testcases[] = { 199 {"http://battersbox.com/directory/foo/peter_paul_and_mary.html", 200 "battersbox.com/" + kEllipsisStr + "/peter" + kEllipsisStr}, 201 }; 202 RunUrlTest(testcases, arraysize(testcases)); 203 } 204 205 // Test eliding of empty strings, URLs with ports, passwords, queries, etc. 206 TEST(TextEliderTest, TestMoreEliding) { 207 const std::string kEllipsisStr(kEllipsis); 208 Testcase testcases[] = { 209 {"http://www.google.com/foo?bar", "www.google.com/foo?bar"}, 210 {"http://xyz.google.com/foo?bar", "xyz.google.com/foo?" + kEllipsisStr}, 211 {"http://xyz.google.com/foo?bar", "xyz.google.com/foo" + kEllipsisStr}, 212 {"http://xyz.google.com/foo?bar", "xyz.google.com/fo" + kEllipsisStr}, 213 {"http://a.b.com/pathname/c?d", "a.b.com/" + kEllipsisStr + "/c?d"}, 214 {"", ""}, 215 {"http://foo.bar..example.com...hello/test/filename.html", 216 "foo.bar..example.com...hello/" + kEllipsisStr + "/filename.html"}, 217 {"http://foo.bar../", "foo.bar.."}, 218 {"http://xn--1lq90i.cn/foo", "\xe5\x8c\x97\xe4\xba\xac.cn/foo"}, 219 {"http://me:mypass@secrethost.com:99/foo?bar#baz", 220 "secrethost.com:99/foo?bar#baz"}, 221 {"http://me:mypass@ss%xxfdsf.com/foo", "ss%25xxfdsf.com/foo"}, 222 {"mailto:elgoato (at) elgoato.com", "mailto:elgoato (at) elgoato.com"}, 223 {"javascript:click(0)", "javascript:click(0)"}, 224 {"https://chess.eecs.berkeley.edu:4430/login/arbitfilename", 225 "chess.eecs.berkeley.edu:4430/login/arbitfilename"}, 226 {"https://chess.eecs.berkeley.edu:4430/login/arbitfilename", 227 kEllipsisStr + "berkeley.edu:4430/" + kEllipsisStr + "/arbitfilename"}, 228 229 // Unescaping. 230 {"http://www/%E4%BD%A0%E5%A5%BD?q=%E4%BD%A0%E5%A5%BD#\xe4\xbd\xa0", 231 "www/\xe4\xbd\xa0\xe5\xa5\xbd?q=\xe4\xbd\xa0\xe5\xa5\xbd#\xe4\xbd\xa0"}, 232 233 // Invalid unescaping for path. The ref will always be valid UTF-8. We don't 234 // bother to do too many edge cases, since these are handled by the escaper 235 // unittest. 236 {"http://www/%E4%A0%E5%A5%BD?q=%E4%BD%A0%E5%A5%BD#\xe4\xbd\xa0", 237 "www/%E4%A0%E5%A5%BD?q=\xe4\xbd\xa0\xe5\xa5\xbd#\xe4\xbd\xa0"}, 238 }; 239 240 RunUrlTest(testcases, arraysize(testcases)); 241 } 242 243 // Test eliding of file: URLs. 244 TEST(TextEliderTest, TestFileURLEliding) { 245 const std::string kEllipsisStr(kEllipsis); 246 Testcase testcases[] = { 247 {"file:///C:/path1/path2/path3/filename", 248 "file:///C:/path1/path2/path3/filename"}, 249 {"file:///C:/path1/path2/path3/filename", 250 "C:/path1/path2/path3/filename"}, 251 // GURL parses "file:///C:path" differently on windows than it does on posix. 252 #if defined(OS_WIN) 253 {"file:///C:path1/path2/path3/filename", 254 "C:/path1/path2/" + kEllipsisStr + "/filename"}, 255 {"file:///C:path1/path2/path3/filename", 256 "C:/path1/" + kEllipsisStr + "/filename"}, 257 {"file:///C:path1/path2/path3/filename", 258 "C:/" + kEllipsisStr + "/filename"}, 259 #endif 260 {"file://filer/foo/bar/file", "filer/foo/bar/file"}, 261 {"file://filer/foo/bar/file", "filer/foo/" + kEllipsisStr + "/file"}, 262 {"file://filer/foo/bar/file", "filer/" + kEllipsisStr + "/file"}, 263 }; 264 265 RunUrlTest(testcases, arraysize(testcases)); 266 } 267 268 // TODO(ios): Complex eliding is off by one for some of those tests on iOS. 269 // See crbug.com/154019 270 #if defined(OS_IOS) 271 #define MAYBE_TestFilenameEliding DISABLED_TestFilenameEliding 272 #else 273 #define MAYBE_TestFilenameEliding TestFilenameEliding 274 #endif 275 TEST(TextEliderTest, MAYBE_TestFilenameEliding) { 276 const std::string kEllipsisStr(kEllipsis); 277 const base::FilePath::StringType kPathSeparator = 278 base::FilePath::StringType().append(1, base::FilePath::kSeparators[0]); 279 280 FileTestcase testcases[] = { 281 {FILE_PATH_LITERAL(""), ""}, 282 {FILE_PATH_LITERAL("."), "."}, 283 {FILE_PATH_LITERAL("filename.exe"), "filename.exe"}, 284 {FILE_PATH_LITERAL(".longext"), ".longext"}, 285 {FILE_PATH_LITERAL("pie"), "pie"}, 286 {FILE_PATH_LITERAL("c:") + kPathSeparator + FILE_PATH_LITERAL("path") + 287 kPathSeparator + FILE_PATH_LITERAL("filename.pie"), 288 "filename.pie"}, 289 {FILE_PATH_LITERAL("c:") + kPathSeparator + FILE_PATH_LITERAL("path") + 290 kPathSeparator + FILE_PATH_LITERAL("longfilename.pie"), 291 "long" + kEllipsisStr + ".pie"}, 292 {FILE_PATH_LITERAL("http://path.com/filename.pie"), "filename.pie"}, 293 {FILE_PATH_LITERAL("http://path.com/longfilename.pie"), 294 "long" + kEllipsisStr + ".pie"}, 295 {FILE_PATH_LITERAL("piesmashingtacularpants"), "pie" + kEllipsisStr}, 296 {FILE_PATH_LITERAL(".piesmashingtacularpants"), ".pie" + kEllipsisStr}, 297 {FILE_PATH_LITERAL("cheese."), "cheese."}, 298 {FILE_PATH_LITERAL("file name.longext"), 299 "file" + kEllipsisStr + ".longext"}, 300 {FILE_PATH_LITERAL("fil ename.longext"), 301 "fil " + kEllipsisStr + ".longext"}, 302 {FILE_PATH_LITERAL("filename.longext"), 303 "file" + kEllipsisStr + ".longext"}, 304 {FILE_PATH_LITERAL("filename.middleext.longext"), 305 "filename.mid" + kEllipsisStr + ".longext"}, 306 {FILE_PATH_LITERAL("filename.superduperextremelylongext"), 307 "filename.sup" + kEllipsisStr + "emelylongext"}, 308 {FILE_PATH_LITERAL("filenamereallylongtext.superduperextremelylongext"), 309 "filenamereall" + kEllipsisStr + "emelylongext"}, 310 {FILE_PATH_LITERAL("file.name.really.long.text.superduperextremelylongext"), 311 "file.name.re" + kEllipsisStr + "emelylongext"} 312 }; 313 314 static const gfx::Font font; 315 for (size_t i = 0; i < arraysize(testcases); ++i) { 316 base::FilePath filepath(testcases[i].input); 317 string16 expected = UTF8ToUTF16(testcases[i].output); 318 expected = base::i18n::GetDisplayStringInLTRDirectionality(expected); 319 EXPECT_EQ(expected, ElideFilename(filepath, 320 font, 321 font.GetStringWidth(UTF8ToUTF16(testcases[i].output)))); 322 } 323 } 324 325 TEST(TextEliderTest, ElideTextTruncate) { 326 const gfx::Font font; 327 const int kTestWidth = font.GetStringWidth(ASCIIToUTF16("Test")); 328 struct TestData { 329 const char* input; 330 int width; 331 const char* output; 332 } cases[] = { 333 { "", 0, "" }, 334 { "Test", 0, "" }, 335 { "", kTestWidth, "" }, 336 { "Tes", kTestWidth, "Tes" }, 337 { "Test", kTestWidth, "Test" }, 338 { "Tests", kTestWidth, "Test" }, 339 }; 340 341 for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) { 342 string16 result = ElideText(UTF8ToUTF16(cases[i].input), font, 343 cases[i].width, TRUNCATE_AT_END); 344 EXPECT_EQ(cases[i].output, UTF16ToUTF8(result)); 345 } 346 } 347 348 TEST(TextEliderTest, ElideTextEllipsis) { 349 const gfx::Font font; 350 const int kTestWidth = font.GetStringWidth(ASCIIToUTF16("Test")); 351 const char* kEllipsis = "\xE2\x80\xA6"; 352 const int kEllipsisWidth = font.GetStringWidth(UTF8ToUTF16(kEllipsis)); 353 struct TestData { 354 const char* input; 355 int width; 356 const char* output; 357 } cases[] = { 358 { "", 0, "" }, 359 { "Test", 0, "" }, 360 { "Test", kEllipsisWidth, kEllipsis }, 361 { "", kTestWidth, "" }, 362 { "Tes", kTestWidth, "Tes" }, 363 { "Test", kTestWidth, "Test" }, 364 }; 365 366 for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) { 367 string16 result = ElideText(UTF8ToUTF16(cases[i].input), font, 368 cases[i].width, ELIDE_AT_END); 369 EXPECT_EQ(cases[i].output, UTF16ToUTF8(result)); 370 } 371 } 372 373 // Checks that all occurrences of |first_char| are followed by |second_char| and 374 // all occurrences of |second_char| are preceded by |first_char| in |text|. 375 static void CheckSurrogatePairs(const string16& text, 376 char16 first_char, 377 char16 second_char) { 378 size_t index = text.find_first_of(first_char); 379 while (index != string16::npos) { 380 EXPECT_LT(index, text.length() - 1); 381 EXPECT_EQ(second_char, text[index + 1]); 382 index = text.find_first_of(first_char, index + 1); 383 } 384 index = text.find_first_of(second_char); 385 while (index != string16::npos) { 386 EXPECT_GT(index, 0U); 387 EXPECT_EQ(first_char, text[index - 1]); 388 index = text.find_first_of(second_char, index + 1); 389 } 390 } 391 392 TEST(TextEliderTest, ElideTextSurrogatePairs) { 393 const gfx::Font font; 394 // The below is 'MUSICAL SYMBOL G CLEF', which is represented in UTF-16 as 395 // two characters forming a surrogate pair 0x0001D11E. 396 const std::string kSurrogate = "\xF0\x9D\x84\x9E"; 397 const string16 kTestString = 398 UTF8ToUTF16(kSurrogate + "ab" + kSurrogate + kSurrogate + "cd"); 399 const int kTestStringWidth = font.GetStringWidth(kTestString); 400 const char16 kSurrogateFirstChar = kTestString[0]; 401 const char16 kSurrogateSecondChar = kTestString[1]; 402 string16 result; 403 404 // Elide |kTextString| to all possible widths and check that no instance of 405 // |kSurrogate| was split in two. 406 for (int width = 0; width <= kTestStringWidth; width++) { 407 result = ElideText(kTestString, font, width, TRUNCATE_AT_END); 408 CheckSurrogatePairs(result, kSurrogateFirstChar, kSurrogateSecondChar); 409 410 result = ElideText(kTestString, font, width, ELIDE_AT_END); 411 CheckSurrogatePairs(result, kSurrogateFirstChar, kSurrogateSecondChar); 412 413 result = ElideText(kTestString, font, width, ELIDE_IN_MIDDLE); 414 CheckSurrogatePairs(result, kSurrogateFirstChar, kSurrogateSecondChar); 415 } 416 } 417 418 TEST(TextEliderTest, ElideTextLongStrings) { 419 const string16 kEllipsisStr = UTF8ToUTF16(kEllipsis); 420 string16 data_scheme(UTF8ToUTF16("data:text/plain,")); 421 size_t data_scheme_length = data_scheme.length(); 422 423 string16 ten_a(10, 'a'); 424 string16 hundred_a(100, 'a'); 425 string16 thousand_a(1000, 'a'); 426 string16 ten_thousand_a(10000, 'a'); 427 string16 hundred_thousand_a(100000, 'a'); 428 string16 million_a(1000000, 'a'); 429 430 size_t number_of_as = 156; 431 string16 long_string_end( 432 data_scheme + string16(number_of_as, 'a') + kEllipsisStr); 433 UTF16Testcase testcases_end[] = { 434 {data_scheme + ten_a, data_scheme + ten_a}, 435 {data_scheme + hundred_a, data_scheme + hundred_a}, 436 {data_scheme + thousand_a, long_string_end}, 437 {data_scheme + ten_thousand_a, long_string_end}, 438 {data_scheme + hundred_thousand_a, long_string_end}, 439 {data_scheme + million_a, long_string_end}, 440 }; 441 442 const gfx::Font font; 443 int ellipsis_width = font.GetStringWidth(kEllipsisStr); 444 for (size_t i = 0; i < arraysize(testcases_end); ++i) { 445 // Compare sizes rather than actual contents because if the test fails, 446 // output is rather long. 447 EXPECT_EQ(testcases_end[i].output.size(), 448 ElideText(testcases_end[i].input, font, 449 font.GetStringWidth(testcases_end[i].output), 450 ELIDE_AT_END).size()); 451 EXPECT_EQ(kEllipsisStr, 452 ElideText(testcases_end[i].input, font, ellipsis_width, 453 ELIDE_AT_END)); 454 } 455 456 size_t number_of_trailing_as = (data_scheme_length + number_of_as) / 2; 457 string16 long_string_middle(data_scheme + 458 string16(number_of_as - number_of_trailing_as, 'a') + kEllipsisStr + 459 string16(number_of_trailing_as, 'a')); 460 UTF16Testcase testcases_middle[] = { 461 {data_scheme + ten_a, data_scheme + ten_a}, 462 {data_scheme + hundred_a, data_scheme + hundred_a}, 463 {data_scheme + thousand_a, long_string_middle}, 464 {data_scheme + ten_thousand_a, long_string_middle}, 465 {data_scheme + hundred_thousand_a, long_string_middle}, 466 {data_scheme + million_a, long_string_middle}, 467 }; 468 469 for (size_t i = 0; i < arraysize(testcases_middle); ++i) { 470 // Compare sizes rather than actual contents because if the test fails, 471 // output is rather long. 472 EXPECT_EQ(testcases_middle[i].output.size(), 473 ElideText(testcases_middle[i].input, font, 474 font.GetStringWidth(testcases_middle[i].output), 475 ELIDE_AT_END).size()); 476 EXPECT_EQ(kEllipsisStr, 477 ElideText(testcases_middle[i].input, font, ellipsis_width, 478 ELIDE_AT_END)); 479 } 480 } 481 482 // Verifies display_url is set correctly. 483 TEST(TextEliderTest, SortedDisplayURL) { 484 SortedDisplayURL d_url(GURL("http://www.google.com"), std::string()); 485 EXPECT_EQ("www.google.com", UTF16ToASCII(d_url.display_url())); 486 } 487 488 // Verifies DisplayURL::Compare works correctly. 489 TEST(TextEliderTest, SortedDisplayURLCompare) { 490 UErrorCode create_status = U_ZERO_ERROR; 491 scoped_ptr<icu::Collator> collator( 492 icu::Collator::createInstance(create_status)); 493 if (!U_SUCCESS(create_status)) 494 return; 495 496 TestData tests[] = { 497 // IDN comparison. Hosts equal, so compares on path. 498 { "http://xn--1lq90i.cn/a", "http://xn--1lq90i.cn/b", -1}, 499 500 // Because the host and after host match, this compares the full url. 501 { "http://www.x/b", "http://x/b", -1 }, 502 503 // Because the host and after host match, this compares the full url. 504 { "http://www.a:1/b", "http://a:1/b", 1 }, 505 506 // The hosts match, so these end up comparing on the after host portion. 507 { "http://www.x:0/b", "http://x:1/b", -1 }, 508 { "http://www.x/a", "http://x/b", -1 }, 509 { "http://x/b", "http://www.x/a", 1 }, 510 511 // Trivial Equality. 512 { "http://a/", "http://a/", 0 }, 513 514 // Compares just hosts. 515 { "http://www.a/", "http://b/", -1 }, 516 }; 517 518 for (size_t i = 0; i < arraysize(tests); ++i) { 519 SortedDisplayURL url1(GURL(tests[i].a), std::string()); 520 SortedDisplayURL url2(GURL(tests[i].b), std::string()); 521 EXPECT_EQ(tests[i].compare_result, url1.Compare(url2, collator.get())); 522 EXPECT_EQ(-tests[i].compare_result, url2.Compare(url1, collator.get())); 523 } 524 } 525 526 TEST(TextEliderTest, ElideString) { 527 struct TestData { 528 const char* input; 529 int max_len; 530 bool result; 531 const char* output; 532 } cases[] = { 533 { "Hello", 0, true, "" }, 534 { "", 0, false, "" }, 535 { "Hello, my name is Tom", 1, true, "H" }, 536 { "Hello, my name is Tom", 2, true, "He" }, 537 { "Hello, my name is Tom", 3, true, "H.m" }, 538 { "Hello, my name is Tom", 4, true, "H..m" }, 539 { "Hello, my name is Tom", 5, true, "H...m" }, 540 { "Hello, my name is Tom", 6, true, "He...m" }, 541 { "Hello, my name is Tom", 7, true, "He...om" }, 542 { "Hello, my name is Tom", 10, true, "Hell...Tom" }, 543 { "Hello, my name is Tom", 100, false, "Hello, my name is Tom" } 544 }; 545 for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) { 546 string16 output; 547 EXPECT_EQ(cases[i].result, 548 ElideString(UTF8ToUTF16(cases[i].input), 549 cases[i].max_len, &output)); 550 EXPECT_EQ(cases[i].output, UTF16ToUTF8(output)); 551 } 552 } 553 554 TEST(TextEliderTest, ElideRectangleText) { 555 const gfx::Font font; 556 const int line_height = font.GetHeight(); 557 const int test_width = font.GetStringWidth(ASCIIToUTF16("Test")); 558 559 struct TestData { 560 const char* input; 561 int available_pixel_width; 562 int available_pixel_height; 563 bool truncated_y; 564 const char* output; 565 } cases[] = { 566 { "", 0, 0, false, NULL }, 567 { "", 1, 1, false, NULL }, 568 { "Test", test_width, 0, true, NULL }, 569 { "Test", test_width, 1, false, "Test" }, 570 { "Test", test_width, line_height, false, "Test" }, 571 { "Test Test", test_width, line_height, true, "Test" }, 572 { "Test Test", test_width, line_height + 1, false, "Test|Test" }, 573 { "Test Test", test_width, line_height * 2, false, "Test|Test" }, 574 { "Test Test", test_width, line_height * 3, false, "Test|Test" }, 575 { "Test Test", test_width * 2, line_height * 2, false, "Test|Test" }, 576 { "Test Test", test_width * 3, line_height, false, "Test Test" }, 577 { "Test\nTest", test_width * 3, line_height * 2, false, "Test|Test" }, 578 { "Te\nst Te", test_width, line_height * 3, false, "Te|st|Te" }, 579 { "\nTest", test_width, line_height * 2, false, "|Test" }, 580 { "\nTest", test_width, line_height, true, "" }, 581 { "\n\nTest", test_width, line_height * 3, false, "||Test" }, 582 { "\n\nTest", test_width, line_height * 2, true, "|" }, 583 { "Test\n", 2 * test_width, line_height * 5, false, "Test|" }, 584 { "Test\n\n", 2 * test_width, line_height * 5, false, "Test||" }, 585 { "Test\n\n\n", 2 * test_width, line_height * 5, false, "Test|||" }, 586 { "Test\nTest\n\n", 2 * test_width, line_height * 5, false, "Test|Test||" }, 587 { "Test\n\nTest\n", 2 * test_width, line_height * 5, false, "Test||Test|" }, 588 { "Test\n\n\nTest", 2 * test_width, line_height * 5, false, "Test|||Test" }, 589 { "Te ", test_width, line_height, false, "Te" }, 590 { "Te Te Test", test_width, 3 * line_height, false, "Te|Te|Test" }, 591 }; 592 593 for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) { 594 std::vector<string16> lines; 595 EXPECT_EQ(cases[i].truncated_y ? INSUFFICIENT_SPACE_VERTICAL : 0, 596 ElideRectangleText(UTF8ToUTF16(cases[i].input), 597 font, 598 cases[i].available_pixel_width, 599 cases[i].available_pixel_height, 600 TRUNCATE_LONG_WORDS, 601 &lines)); 602 if (cases[i].output) { 603 const std::string result = UTF16ToUTF8(JoinString(lines, '|')); 604 EXPECT_EQ(cases[i].output, result) << "Case " << i << " failed!"; 605 } else { 606 EXPECT_TRUE(lines.empty()) << "Case " << i << " failed!"; 607 } 608 } 609 } 610 611 TEST(TextEliderTest, ElideRectangleTextPunctuation) { 612 const gfx::Font font; 613 const int line_height = font.GetHeight(); 614 const int test_width = font.GetStringWidth(ASCIIToUTF16("Test")); 615 const int test_t_width = font.GetStringWidth(ASCIIToUTF16("Test T")); 616 617 struct TestData { 618 const char* input; 619 int available_pixel_width; 620 int available_pixel_height; 621 bool wrap_words; 622 bool truncated_x; 623 const char* output; 624 } cases[] = { 625 { "Test T.", test_t_width, line_height * 2, false, false, "Test|T." }, 626 { "Test T ?", test_t_width, line_height * 2, false, false, "Test|T ?" }, 627 { "Test. Test", test_width, line_height * 3, false, true, "Test|Test" }, 628 { "Test. Test", test_width, line_height * 3, true, false, "Test|.|Test" }, 629 }; 630 631 for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) { 632 std::vector<string16> lines; 633 const WordWrapBehavior wrap_behavior = 634 (cases[i].wrap_words ? WRAP_LONG_WORDS : TRUNCATE_LONG_WORDS); 635 EXPECT_EQ(cases[i].truncated_x ? INSUFFICIENT_SPACE_HORIZONTAL : 0, 636 ElideRectangleText(UTF8ToUTF16(cases[i].input), 637 font, 638 cases[i].available_pixel_width, 639 cases[i].available_pixel_height, 640 wrap_behavior, 641 &lines)); 642 if (cases[i].output) { 643 const std::string result = UTF16ToUTF8(JoinString(lines, '|')); 644 EXPECT_EQ(cases[i].output, result) << "Case " << i << " failed!"; 645 } else { 646 EXPECT_TRUE(lines.empty()) << "Case " << i << " failed!"; 647 } 648 } 649 } 650 651 TEST(TextEliderTest, ElideRectangleTextLongWords) { 652 const gfx::Font font; 653 const int kAvailableHeight = 1000; 654 const string16 kElidedTesting = UTF8ToUTF16(std::string("Tes") + kEllipsis); 655 const int elided_width = font.GetStringWidth(kElidedTesting); 656 const int test_width = font.GetStringWidth(ASCIIToUTF16("Test")); 657 658 struct TestData { 659 const char* input; 660 int available_pixel_width; 661 WordWrapBehavior wrap_behavior; 662 bool truncated_x; 663 const char* output; 664 } cases[] = { 665 { "Testing", test_width, IGNORE_LONG_WORDS, false, "Testing" }, 666 { "X Testing", test_width, IGNORE_LONG_WORDS, false, "X|Testing" }, 667 { "Test Testing", test_width, IGNORE_LONG_WORDS, false, "Test|Testing" }, 668 { "Test\nTesting", test_width, IGNORE_LONG_WORDS, false, "Test|Testing" }, 669 { "Test Tests ", test_width, IGNORE_LONG_WORDS, false, "Test|Tests" }, 670 { "Test Tests T", test_width, IGNORE_LONG_WORDS, false, "Test|Tests|T" }, 671 672 { "Testing", elided_width, ELIDE_LONG_WORDS, true, "Tes..." }, 673 { "X Testing", elided_width, ELIDE_LONG_WORDS, true, "X|Tes..." }, 674 { "Test Testing", elided_width, ELIDE_LONG_WORDS, true, "Test|Tes..." }, 675 { "Test\nTesting", elided_width, ELIDE_LONG_WORDS, true, "Test|Tes..." }, 676 677 { "Testing", test_width, TRUNCATE_LONG_WORDS, true, "Test" }, 678 { "X Testing", test_width, TRUNCATE_LONG_WORDS, true, "X|Test" }, 679 { "Test Testing", test_width, TRUNCATE_LONG_WORDS, true, "Test|Test" }, 680 { "Test\nTesting", test_width, TRUNCATE_LONG_WORDS, true, "Test|Test" }, 681 { "Test Tests ", test_width, TRUNCATE_LONG_WORDS, true, "Test|Test" }, 682 { "Test Tests T", test_width, TRUNCATE_LONG_WORDS, true, "Test|Test|T" }, 683 684 { "Testing", test_width, WRAP_LONG_WORDS, false, "Test|ing" }, 685 { "X Testing", test_width, WRAP_LONG_WORDS, false, "X|Test|ing" }, 686 { "Test Testing", test_width, WRAP_LONG_WORDS, false, "Test|Test|ing" }, 687 { "Test\nTesting", test_width, WRAP_LONG_WORDS, false, "Test|Test|ing" }, 688 { "Test Tests ", test_width, WRAP_LONG_WORDS, false, "Test|Test|s" }, 689 { "Test Tests T", test_width, WRAP_LONG_WORDS, false, "Test|Test|s T" }, 690 { "TestTestTest", test_width, WRAP_LONG_WORDS, false, "Test|Test|Test" }, 691 { "TestTestTestT", test_width, WRAP_LONG_WORDS, false, "Test|Test|Test|T" }, 692 }; 693 694 for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) { 695 std::vector<string16> lines; 696 EXPECT_EQ(cases[i].truncated_x ? INSUFFICIENT_SPACE_HORIZONTAL : 0, 697 ElideRectangleText(UTF8ToUTF16(cases[i].input), 698 font, 699 cases[i].available_pixel_width, 700 kAvailableHeight, 701 cases[i].wrap_behavior, 702 &lines)); 703 std::string expected_output(cases[i].output); 704 ReplaceSubstringsAfterOffset(&expected_output, 0, "...", kEllipsis); 705 const std::string result = UTF16ToUTF8(JoinString(lines, '|')); 706 EXPECT_EQ(expected_output, result) << "Case " << i << " failed!"; 707 } 708 } 709 710 TEST(TextEliderTest, ElideRectangleString) { 711 struct TestData { 712 const char* input; 713 int max_rows; 714 int max_cols; 715 bool result; 716 const char* output; 717 } cases[] = { 718 { "", 0, 0, false, "" }, 719 { "", 1, 1, false, "" }, 720 { "Hi, my name is\nTom", 0, 0, true, "..." }, 721 { "Hi, my name is\nTom", 1, 0, true, "\n..." }, 722 { "Hi, my name is\nTom", 0, 1, true, "..." }, 723 { "Hi, my name is\nTom", 1, 1, true, "H\n..." }, 724 { "Hi, my name is\nTom", 2, 1, true, "H\ni\n..." }, 725 { "Hi, my name is\nTom", 3, 1, true, "H\ni\n,\n..." }, 726 { "Hi, my name is\nTom", 4, 1, true, "H\ni\n,\n \n..." }, 727 { "Hi, my name is\nTom", 5, 1, true, "H\ni\n,\n \nm\n..." }, 728 { "Hi, my name is\nTom", 0, 2, true, "..." }, 729 { "Hi, my name is\nTom", 1, 2, true, "Hi\n..." }, 730 { "Hi, my name is\nTom", 2, 2, true, "Hi\n, \n..." }, 731 { "Hi, my name is\nTom", 3, 2, true, "Hi\n, \nmy\n..." }, 732 { "Hi, my name is\nTom", 4, 2, true, "Hi\n, \nmy\n n\n..." }, 733 { "Hi, my name is\nTom", 5, 2, true, "Hi\n, \nmy\n n\nam\n..." }, 734 { "Hi, my name is\nTom", 0, 3, true, "..." }, 735 { "Hi, my name is\nTom", 1, 3, true, "Hi,\n..." }, 736 { "Hi, my name is\nTom", 2, 3, true, "Hi,\n my\n..." }, 737 { "Hi, my name is\nTom", 3, 3, true, "Hi,\n my\n na\n..." }, 738 { "Hi, my name is\nTom", 4, 3, true, "Hi,\n my\n na\nme \n..." }, 739 { "Hi, my name is\nTom", 5, 3, true, "Hi,\n my\n na\nme \nis\n..." }, 740 { "Hi, my name is\nTom", 1, 4, true, "Hi, \n..." }, 741 { "Hi, my name is\nTom", 2, 4, true, "Hi, \nmy n\n..." }, 742 { "Hi, my name is\nTom", 3, 4, true, "Hi, \nmy n\name \n..." }, 743 { "Hi, my name is\nTom", 4, 4, true, "Hi, \nmy n\name \nis\n..." }, 744 { "Hi, my name is\nTom", 5, 4, false, "Hi, \nmy n\name \nis\nTom" }, 745 { "Hi, my name is\nTom", 1, 5, true, "Hi, \n..." }, 746 { "Hi, my name is\nTom", 2, 5, true, "Hi, \nmy na\n..." }, 747 { "Hi, my name is\nTom", 3, 5, true, "Hi, \nmy na\nme \n..." }, 748 { "Hi, my name is\nTom", 4, 5, true, "Hi, \nmy na\nme \nis\n..." }, 749 { "Hi, my name is\nTom", 5, 5, false, "Hi, \nmy na\nme \nis\nTom" }, 750 { "Hi, my name is\nTom", 1, 6, true, "Hi, \n..." }, 751 { "Hi, my name is\nTom", 2, 6, true, "Hi, \nmy \n..." }, 752 { "Hi, my name is\nTom", 3, 6, true, "Hi, \nmy \nname \n..." }, 753 { "Hi, my name is\nTom", 4, 6, true, "Hi, \nmy \nname \nis\n..." }, 754 { "Hi, my name is\nTom", 5, 6, false, "Hi, \nmy \nname \nis\nTom" }, 755 { "Hi, my name is\nTom", 1, 7, true, "Hi, \n..." }, 756 { "Hi, my name is\nTom", 2, 7, true, "Hi, \nmy \n..." }, 757 { "Hi, my name is\nTom", 3, 7, true, "Hi, \nmy \nname \n..." }, 758 { "Hi, my name is\nTom", 4, 7, true, "Hi, \nmy \nname \nis\n..." }, 759 { "Hi, my name is\nTom", 5, 7, false, "Hi, \nmy \nname \nis\nTom" }, 760 { "Hi, my name is\nTom", 1, 8, true, "Hi, my \n..." }, 761 { "Hi, my name is\nTom", 2, 8, true, "Hi, my \nname \n..." }, 762 { "Hi, my name is\nTom", 3, 8, true, "Hi, my \nname \nis\n..." }, 763 { "Hi, my name is\nTom", 4, 8, false, "Hi, my \nname \nis\nTom" }, 764 { "Hi, my name is\nTom", 1, 9, true, "Hi, my \n..." }, 765 { "Hi, my name is\nTom", 2, 9, true, "Hi, my \nname is\n..." }, 766 { "Hi, my name is\nTom", 3, 9, false, "Hi, my \nname is\nTom" }, 767 { "Hi, my name is\nTom", 1, 10, true, "Hi, my \n..." }, 768 { "Hi, my name is\nTom", 2, 10, true, "Hi, my \nname is\n..." }, 769 { "Hi, my name is\nTom", 3, 10, false, "Hi, my \nname is\nTom" }, 770 { "Hi, my name is\nTom", 1, 11, true, "Hi, my \n..." }, 771 { "Hi, my name is\nTom", 2, 11, true, "Hi, my \nname is\n..." }, 772 { "Hi, my name is\nTom", 3, 11, false, "Hi, my \nname is\nTom" }, 773 { "Hi, my name is\nTom", 1, 12, true, "Hi, my \n..." }, 774 { "Hi, my name is\nTom", 2, 12, true, "Hi, my \nname is\n..." }, 775 { "Hi, my name is\nTom", 3, 12, false, "Hi, my \nname is\nTom" }, 776 { "Hi, my name is\nTom", 1, 13, true, "Hi, my name \n..." }, 777 { "Hi, my name is\nTom", 2, 13, true, "Hi, my name \nis\n..." }, 778 { "Hi, my name is\nTom", 3, 13, false, "Hi, my name \nis\nTom" }, 779 { "Hi, my name is\nTom", 1, 20, true, "Hi, my name is\n..." }, 780 { "Hi, my name is\nTom", 2, 20, false, "Hi, my name is\nTom" }, 781 { "Hi, my name is Tom", 1, 40, false, "Hi, my name is Tom" }, 782 }; 783 string16 output; 784 for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) { 785 EXPECT_EQ(cases[i].result, 786 ElideRectangleString(UTF8ToUTF16(cases[i].input), 787 cases[i].max_rows, cases[i].max_cols, 788 true, &output)); 789 EXPECT_EQ(cases[i].output, UTF16ToUTF8(output)); 790 } 791 } 792 793 TEST(TextEliderTest, ElideRectangleStringNotStrict) { 794 struct TestData { 795 const char* input; 796 int max_rows; 797 int max_cols; 798 bool result; 799 const char* output; 800 } cases[] = { 801 { "", 0, 0, false, "" }, 802 { "", 1, 1, false, "" }, 803 { "Hi, my name_is\nDick", 0, 0, true, "..." }, 804 { "Hi, my name_is\nDick", 1, 0, true, "\n..." }, 805 { "Hi, my name_is\nDick", 0, 1, true, "..." }, 806 { "Hi, my name_is\nDick", 1, 1, true, "H\n..." }, 807 { "Hi, my name_is\nDick", 2, 1, true, "H\ni\n..." }, 808 { "Hi, my name_is\nDick", 3, 1, true, "H\ni\n,\n..." }, 809 { "Hi, my name_is\nDick", 4, 1, true, "H\ni\n,\n \n..." }, 810 { "Hi, my name_is\nDick", 5, 1, true, "H\ni\n,\n \nm\n..." }, 811 { "Hi, my name_is\nDick", 0, 2, true, "..." }, 812 { "Hi, my name_is\nDick", 1, 2, true, "Hi\n..." }, 813 { "Hi, my name_is\nDick", 2, 2, true, "Hi\n, \n..." }, 814 { "Hi, my name_is\nDick", 3, 2, true, "Hi\n, \nmy\n..." }, 815 { "Hi, my name_is\nDick", 4, 2, true, "Hi\n, \nmy\n n\n..." }, 816 { "Hi, my name_is\nDick", 5, 2, true, "Hi\n, \nmy\n n\nam\n..." }, 817 { "Hi, my name_is\nDick", 0, 3, true, "..." }, 818 { "Hi, my name_is\nDick", 1, 3, true, "Hi,\n..." }, 819 { "Hi, my name_is\nDick", 2, 3, true, "Hi,\n my\n..." }, 820 { "Hi, my name_is\nDick", 3, 3, true, "Hi,\n my\n na\n..." }, 821 { "Hi, my name_is\nDick", 4, 3, true, "Hi,\n my\n na\nme_\n..." }, 822 { "Hi, my name_is\nDick", 5, 3, true, "Hi,\n my\n na\nme_\nis\n..." }, 823 { "Hi, my name_is\nDick", 1, 4, true, "Hi, ..." }, 824 { "Hi, my name_is\nDick", 2, 4, true, "Hi, my n\n..." }, 825 { "Hi, my name_is\nDick", 3, 4, true, "Hi, my n\name_\n..." }, 826 { "Hi, my name_is\nDick", 4, 4, true, "Hi, my n\name_\nis\n..." }, 827 { "Hi, my name_is\nDick", 5, 4, false, "Hi, my n\name_\nis\nDick" }, 828 { "Hi, my name_is\nDick", 1, 5, true, "Hi, ..." }, 829 { "Hi, my name_is\nDick", 2, 5, true, "Hi, my na\n..." }, 830 { "Hi, my name_is\nDick", 3, 5, true, "Hi, my na\nme_is\n..." }, 831 { "Hi, my name_is\nDick", 4, 5, true, "Hi, my na\nme_is\n\n..." }, 832 { "Hi, my name_is\nDick", 5, 5, false, "Hi, my na\nme_is\n\nDick" }, 833 { "Hi, my name_is\nDick", 1, 6, true, "Hi, ..." }, 834 { "Hi, my name_is\nDick", 2, 6, true, "Hi, my nam\n..." }, 835 { "Hi, my name_is\nDick", 3, 6, true, "Hi, my nam\ne_is\n..." }, 836 { "Hi, my name_is\nDick", 4, 6, false, "Hi, my nam\ne_is\nDick" }, 837 { "Hi, my name_is\nDick", 5, 6, false, "Hi, my nam\ne_is\nDick" }, 838 { "Hi, my name_is\nDick", 1, 7, true, "Hi, ..." }, 839 { "Hi, my name_is\nDick", 2, 7, true, "Hi, my name\n..." }, 840 { "Hi, my name_is\nDick", 3, 7, true, "Hi, my name\n_is\n..." }, 841 { "Hi, my name_is\nDick", 4, 7, false, "Hi, my name\n_is\nDick" }, 842 { "Hi, my name_is\nDick", 5, 7, false, "Hi, my name\n_is\nDick" }, 843 { "Hi, my name_is\nDick", 1, 8, true, "Hi, my n\n..." }, 844 { "Hi, my name_is\nDick", 2, 8, true, "Hi, my n\name_is\n..." }, 845 { "Hi, my name_is\nDick", 3, 8, false, "Hi, my n\name_is\nDick" }, 846 { "Hi, my name_is\nDick", 1, 9, true, "Hi, my ..." }, 847 { "Hi, my name_is\nDick", 2, 9, true, "Hi, my name_is\n..." }, 848 { "Hi, my name_is\nDick", 3, 9, false, "Hi, my name_is\nDick" }, 849 { "Hi, my name_is\nDick", 1, 10, true, "Hi, my ..." }, 850 { "Hi, my name_is\nDick", 2, 10, true, "Hi, my name_is\n..." }, 851 { "Hi, my name_is\nDick", 3, 10, false, "Hi, my name_is\nDick" }, 852 { "Hi, my name_is\nDick", 1, 11, true, "Hi, my ..." }, 853 { "Hi, my name_is\nDick", 2, 11, true, "Hi, my name_is\n..." }, 854 { "Hi, my name_is\nDick", 3, 11, false, "Hi, my name_is\nDick" }, 855 { "Hi, my name_is\nDick", 1, 12, true, "Hi, my ..." }, 856 { "Hi, my name_is\nDick", 2, 12, true, "Hi, my name_is\n..." }, 857 { "Hi, my name_is\nDick", 3, 12, false, "Hi, my name_is\nDick" }, 858 { "Hi, my name_is\nDick", 1, 13, true, "Hi, my ..." }, 859 { "Hi, my name_is\nDick", 2, 13, true, "Hi, my name_is\n..." }, 860 { "Hi, my name_is\nDick", 3, 13, false, "Hi, my name_is\nDick" }, 861 { "Hi, my name_is\nDick", 1, 20, true, "Hi, my name_is\n..." }, 862 { "Hi, my name_is\nDick", 2, 20, false, "Hi, my name_is\nDick" }, 863 { "Hi, my name_is Dick", 1, 40, false, "Hi, my name_is Dick" }, 864 }; 865 string16 output; 866 for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) { 867 EXPECT_EQ(cases[i].result, 868 ElideRectangleString(UTF8ToUTF16(cases[i].input), 869 cases[i].max_rows, cases[i].max_cols, 870 false, &output)); 871 EXPECT_EQ(cases[i].output, UTF16ToUTF8(output)); 872 } 873 } 874 875 TEST(TextEliderTest, ElideRectangleWide16) { 876 // Two greek words separated by space. 877 const string16 str(WideToUTF16( 878 L"\x03a0\x03b1\x03b3\x03ba\x03cc\x03c3\x03bc\x03b9" 879 L"\x03bf\x03c2\x0020\x0399\x03c3\x03c4\x03cc\x03c2")); 880 const string16 out1(WideToUTF16( 881 L"\x03a0\x03b1\x03b3\x03ba\n" 882 L"\x03cc\x03c3\x03bc\x03b9\n" 883 L"...")); 884 const string16 out2(WideToUTF16( 885 L"\x03a0\x03b1\x03b3\x03ba\x03cc\x03c3\x03bc\x03b9\x03bf\x03c2\x0020\n" 886 L"\x0399\x03c3\x03c4\x03cc\x03c2")); 887 string16 output; 888 EXPECT_TRUE(ElideRectangleString(str, 2, 4, true, &output)); 889 EXPECT_EQ(out1, output); 890 EXPECT_FALSE(ElideRectangleString(str, 2, 12, true, &output)); 891 EXPECT_EQ(out2, output); 892 } 893 894 TEST(TextEliderTest, ElideRectangleWide32) { 895 // Four U+1D49C MATHEMATICAL SCRIPT CAPITAL A followed by space "aaaaa". 896 const string16 str(UTF8ToUTF16( 897 "\xF0\x9D\x92\x9C\xF0\x9D\x92\x9C\xF0\x9D\x92\x9C\xF0\x9D\x92\x9C" 898 " aaaaa")); 899 const string16 out(UTF8ToUTF16( 900 "\xF0\x9D\x92\x9C\xF0\x9D\x92\x9C\xF0\x9D\x92\x9C\n" 901 "\xF0\x9D\x92\x9C \naaa\n...")); 902 string16 output; 903 EXPECT_TRUE(ElideRectangleString(str, 3, 3, true, &output)); 904 EXPECT_EQ(out, output); 905 } 906 907 TEST(TextEliderTest, TruncateString) { 908 string16 string = ASCIIToUTF16("foooooey bxxxar baz"); 909 910 // Make sure it doesn't modify the string if length > string length. 911 EXPECT_EQ(string, TruncateString(string, 100)); 912 913 // Test no characters. 914 EXPECT_EQ(L"", UTF16ToWide(TruncateString(string, 0))); 915 916 // Test 1 character. 917 EXPECT_EQ(L"\x2026", UTF16ToWide(TruncateString(string, 1))); 918 919 // Test adds ... at right spot when there is enough room to break at a 920 // word boundary. 921 EXPECT_EQ(L"foooooey\x2026", UTF16ToWide(TruncateString(string, 14))); 922 923 // Test adds ... at right spot when there is not enough space in first word. 924 EXPECT_EQ(L"f\x2026", UTF16ToWide(TruncateString(string, 2))); 925 926 // Test adds ... at right spot when there is not enough room to break at a 927 // word boundary. 928 EXPECT_EQ(L"foooooey\x2026", UTF16ToWide(TruncateString(string, 11))); 929 930 // Test completely truncates string if break is on initial whitespace. 931 EXPECT_EQ(L"\x2026", UTF16ToWide(TruncateString(ASCIIToUTF16(" "), 2))); 932 } 933 934 } // namespace ui 935
