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#include "url/gurl.h" 19 20namespace gfx { 21 22namespace { 23 24struct Testcase { 25 const std::string input; 26 const std::string output; 27}; 28 29struct FileTestcase { 30 const base::FilePath::StringType input; 31 const std::string output; 32}; 33 34struct UTF16Testcase { 35 const string16 input; 36 const string16 output; 37}; 38 39struct TestData { 40 const std::string a; 41 const std::string b; 42 const int compare_result; 43}; 44 45void RunUrlTest(Testcase* testcases, size_t num_testcases) { 46 static const FontList font_list; 47 for (size_t i = 0; i < num_testcases; ++i) { 48 const GURL url(testcases[i].input); 49 // Should we test with non-empty language list? 50 // That's kinda redundant with net_util_unittests. 51 const float available_width = 52 GetStringWidthF(UTF8ToUTF16(testcases[i].output), font_list); 53 EXPECT_EQ(UTF8ToUTF16(testcases[i].output), 54 ElideUrl(url, font_list, available_width, std::string())); 55 } 56} 57 58} // namespace 59 60// TODO(ios): This test fails on iOS because iOS version of GetStringWidthF 61// that calls [NSString sizeWithFont] returns the rounded string width. 62#if defined(OS_IOS) 63#define MAYBE_ElideEmail DISABLED_ElideEmail 64#else 65#define MAYBE_ElideEmail ElideEmail 66#endif 67TEST(TextEliderTest, MAYBE_ElideEmail) { 68 const std::string kEllipsisStr(kEllipsis); 69 70 // Test emails and their expected elided forms (from which the available 71 // widths will be derived). 72 // For elided forms in which both the username and domain must be elided: 73 // the result (how many characters are left on each side) can be font 74 // dependent. To avoid this, the username is prefixed with the characters 75 // expected to remain in the domain. 76 Testcase testcases[] = { 77 {"g@g.c", "g@g.c"}, 78 {"g@g.c", kEllipsisStr}, 79 {"ga@co.ca", "ga@c" + kEllipsisStr + "a"}, 80 {"short@small.com", "s" + kEllipsisStr + "@s" + kEllipsisStr}, 81 {"short@small.com", "s" + kEllipsisStr + "@small.com"}, 82 {"short@longbutlotsofspace.com", "short@longbutlotsofspace.com"}, 83 {"short@longbutnotverymuchspace.com", 84 "short@long" + kEllipsisStr + ".com"}, 85 {"la_short@longbutverytightspace.ca", 86 "la" + kEllipsisStr + "@l" + kEllipsisStr + "a"}, 87 {"longusername@gmail.com", "long" + kEllipsisStr + "@gmail.com"}, 88 {"elidetothemax@justfits.com", "e" + kEllipsisStr + "@justfits.com"}, 89 {"thatom_somelongemail@thatdoesntfit.com", 90 "thatom" + kEllipsisStr + "@tha" + kEllipsisStr + "om"}, 91 {"namefits@butthedomaindoesnt.com", 92 "namefits@butthedo" + kEllipsisStr + "snt.com"}, 93 {"widthtootight@nospace.com", kEllipsisStr}, 94 {"nospaceforusername@l", kEllipsisStr}, 95 {"little@littlespace.com", "l" + kEllipsisStr + "@l" + kEllipsisStr}, 96 {"l@llllllllllllllllllllllll.com", "l@lllll" + kEllipsisStr + ".com"}, 97 {"messed\"up@whyanat\"++@notgoogley.com", 98 "messed\"up@whyanat\"++@notgoogley.com"}, 99 {"messed\"up@whyanat\"++@notgoogley.com", 100 "messed\"up@why" + kEllipsisStr + "@notgoogley.com"}, 101 {"noca_messed\"up@whyanat\"++@notgoogley.ca", 102 "noca" + kEllipsisStr + "@no" + kEllipsisStr + "ca"}, 103 {"at\"@@@@@@@@@...@@.@.@.@@@\"@madness.com", 104 "at\"@@@@@@@@@...@@.@." + kEllipsisStr + "@madness.com"}, 105 // Special case: "m..." takes more than half of the available width; thus 106 // the domain must elide to "l..." and not "l...l" as it must allow enough 107 // space for the minimal username elision although its half of the 108 // available width would normally allow it to elide to "l...l". 109 {"mmmmm@llllllllll", "m" + kEllipsisStr + "@l" + kEllipsisStr}, 110 }; 111 112 const FontList font_list; 113 for (size_t i = 0; i < arraysize(testcases); ++i) { 114 const string16 expected_output = UTF8ToUTF16(testcases[i].output); 115 EXPECT_EQ(expected_output, 116 ElideEmail( 117 UTF8ToUTF16(testcases[i].input), 118 font_list, 119 GetStringWidthF(expected_output, font_list))); 120 } 121} 122 123TEST(TextEliderTest, ElideEmailMoreSpace) { 124 const int test_width_factors[] = { 125 100, 126 10000, 127 1000000, 128 }; 129 const std::string test_emails[] = { 130 "a@c", 131 "test@email.com", 132 "short@verysuperdupperlongdomain.com", 133 "supermegalongusername@withasuperlonnnggggdomain.gouv.qc.ca", 134 }; 135 136 const FontList font_list; 137 for (size_t i = 0; i < arraysize(test_width_factors); ++i) { 138 const int test_width = 139 font_list.GetExpectedTextWidth(test_width_factors[i]); 140 for (size_t j = 0; j < arraysize(test_emails); ++j) { 141 // Extra space is available: the email should not be elided. 142 const string16 test_email = UTF8ToUTF16(test_emails[j]); 143 EXPECT_EQ(test_email, ElideEmail(test_email, font_list, test_width)); 144 } 145 } 146} 147 148// Test eliding of commonplace URLs. 149TEST(TextEliderTest, TestGeneralEliding) { 150 const std::string kEllipsisStr(kEllipsis); 151 Testcase testcases[] = { 152 {"http://www.google.com/intl/en/ads/", 153 "www.google.com/intl/en/ads/"}, 154 {"http://www.google.com/intl/en/ads/", "www.google.com/intl/en/ads/"}, 155 {"http://www.google.com/intl/en/ads/", 156 "google.com/intl/" + kEllipsisStr + "/ads/"}, 157 {"http://www.google.com/intl/en/ads/", 158 "google.com/" + kEllipsisStr + "/ads/"}, 159 {"http://www.google.com/intl/en/ads/", "google.com/" + kEllipsisStr}, 160 {"http://www.google.com/intl/en/ads/", "goog" + kEllipsisStr}, 161 {"https://subdomain.foo.com/bar/filename.html", 162 "subdomain.foo.com/bar/filename.html"}, 163 {"https://subdomain.foo.com/bar/filename.html", 164 "subdomain.foo.com/" + kEllipsisStr + "/filename.html"}, 165 {"http://subdomain.foo.com/bar/filename.html", 166 kEllipsisStr + "foo.com/" + kEllipsisStr + "/filename.html"}, 167 {"http://www.google.com/intl/en/ads/?aLongQueryWhichIsNotRequired", 168 "www.google.com/intl/en/ads/?aLongQ" + kEllipsisStr}, 169 }; 170 171 RunUrlTest(testcases, arraysize(testcases)); 172} 173 174// When there is very little space available, the elision code will shorten 175// both path AND file name to an ellipsis - ".../...". To avoid this result, 176// there is a hack in place that simply treats them as one string in this 177// case. 178TEST(TextEliderTest, TestTrailingEllipsisSlashEllipsisHack) { 179 const std::string kEllipsisStr(kEllipsis); 180 181 // Very little space, would cause double ellipsis. 182 FontList font_list; 183 GURL url("http://battersbox.com/directory/foo/peter_paul_and_mary.html"); 184 float available_width = GetStringWidthF( 185 UTF8ToUTF16("battersbox.com/" + kEllipsisStr + "/" + kEllipsisStr), 186 font_list); 187 188 // Create the expected string, after elision. Depending on font size, the 189 // directory might become /dir... or /di... or/d... - it never should be 190 // shorter than that. (If it is, the font considers d... to be longer 191 // than .../... - that should never happen). 192 ASSERT_GT(GetStringWidthF(UTF8ToUTF16(kEllipsisStr + "/" + kEllipsisStr), 193 font_list), 194 GetStringWidthF(UTF8ToUTF16("d" + kEllipsisStr), font_list)); 195 GURL long_url("http://battersbox.com/directorynameisreallylongtoforcetrunc"); 196 string16 expected = 197 ElideUrl(long_url, font_list, available_width, std::string()); 198 // Ensure that the expected result still contains part of the directory name. 199 ASSERT_GT(expected.length(), std::string("battersbox.com/d").length()); 200 EXPECT_EQ(expected, 201 ElideUrl(url, font_list, available_width, std::string())); 202 203 // More space available - elide directories, partially elide filename. 204 Testcase testcases[] = { 205 {"http://battersbox.com/directory/foo/peter_paul_and_mary.html", 206 "battersbox.com/" + kEllipsisStr + "/peter" + kEllipsisStr}, 207 }; 208 RunUrlTest(testcases, arraysize(testcases)); 209} 210 211// Test eliding of empty strings, URLs with ports, passwords, queries, etc. 212TEST(TextEliderTest, TestMoreEliding) { 213 const std::string kEllipsisStr(kEllipsis); 214 Testcase testcases[] = { 215 {"http://www.google.com/foo?bar", "www.google.com/foo?bar"}, 216 {"http://xyz.google.com/foo?bar", "xyz.google.com/foo?" + kEllipsisStr}, 217 {"http://xyz.google.com/foo?bar", "xyz.google.com/foo" + kEllipsisStr}, 218 {"http://xyz.google.com/foo?bar", "xyz.google.com/fo" + kEllipsisStr}, 219 {"http://a.b.com/pathname/c?d", "a.b.com/" + kEllipsisStr + "/c?d"}, 220 {"", ""}, 221 {"http://foo.bar..example.com...hello/test/filename.html", 222 "foo.bar..example.com...hello/" + kEllipsisStr + "/filename.html"}, 223 {"http://foo.bar../", "foo.bar.."}, 224 {"http://xn--1lq90i.cn/foo", "\xe5\x8c\x97\xe4\xba\xac.cn/foo"}, 225 {"http://me:mypass@secrethost.com:99/foo?bar#baz", 226 "secrethost.com:99/foo?bar#baz"}, 227 {"http://me:mypass@ss%xxfdsf.com/foo", "ss%25xxfdsf.com/foo"}, 228 {"mailto:elgoato@elgoato.com", "mailto:elgoato@elgoato.com"}, 229 {"javascript:click(0)", "javascript:click(0)"}, 230 {"https://chess.eecs.berkeley.edu:4430/login/arbitfilename", 231 "chess.eecs.berkeley.edu:4430/login/arbitfilename"}, 232 {"https://chess.eecs.berkeley.edu:4430/login/arbitfilename", 233 kEllipsisStr + "berkeley.edu:4430/" + kEllipsisStr + "/arbitfilename"}, 234 235 // Unescaping. 236 {"http://www/%E4%BD%A0%E5%A5%BD?q=%E4%BD%A0%E5%A5%BD#\xe4\xbd\xa0", 237 "www/\xe4\xbd\xa0\xe5\xa5\xbd?q=\xe4\xbd\xa0\xe5\xa5\xbd#\xe4\xbd\xa0"}, 238 239 // Invalid unescaping for path. The ref will always be valid UTF-8. We don't 240 // bother to do too many edge cases, since these are handled by the escaper 241 // unittest. 242 {"http://www/%E4%A0%E5%A5%BD?q=%E4%BD%A0%E5%A5%BD#\xe4\xbd\xa0", 243 "www/%E4%A0%E5%A5%BD?q=\xe4\xbd\xa0\xe5\xa5\xbd#\xe4\xbd\xa0"}, 244 }; 245 246 RunUrlTest(testcases, arraysize(testcases)); 247} 248 249// Test eliding of file: URLs. 250TEST(TextEliderTest, TestFileURLEliding) { 251 const std::string kEllipsisStr(kEllipsis); 252 Testcase testcases[] = { 253 {"file:///C:/path1/path2/path3/filename", 254 "file:///C:/path1/path2/path3/filename"}, 255 {"file:///C:/path1/path2/path3/filename", 256 "C:/path1/path2/path3/filename"}, 257// GURL parses "file:///C:path" differently on windows than it does on posix. 258#if defined(OS_WIN) 259 {"file:///C:path1/path2/path3/filename", 260 "C:/path1/path2/" + kEllipsisStr + "/filename"}, 261 {"file:///C:path1/path2/path3/filename", 262 "C:/path1/" + kEllipsisStr + "/filename"}, 263 {"file:///C:path1/path2/path3/filename", 264 "C:/" + kEllipsisStr + "/filename"}, 265#endif 266 {"file://filer/foo/bar/file", "filer/foo/bar/file"}, 267 {"file://filer/foo/bar/file", "filer/foo/" + kEllipsisStr + "/file"}, 268 {"file://filer/foo/bar/file", "filer/" + kEllipsisStr + "/file"}, 269 }; 270 271 RunUrlTest(testcases, arraysize(testcases)); 272} 273 274// TODO(ios): This test fails on iOS because iOS version of GetStringWidthF 275// that calls [NSString sizeWithFont] returns the rounded string width. 276#if defined(OS_IOS) 277#define MAYBE_TestFilenameEliding DISABLED_TestFilenameEliding 278#else 279#define MAYBE_TestFilenameEliding TestFilenameEliding 280#endif 281TEST(TextEliderTest, MAYBE_TestFilenameEliding) { 282 const std::string kEllipsisStr(kEllipsis); 283 const base::FilePath::StringType kPathSeparator = 284 base::FilePath::StringType().append(1, base::FilePath::kSeparators[0]); 285 286 FileTestcase testcases[] = { 287 {FILE_PATH_LITERAL(""), ""}, 288 {FILE_PATH_LITERAL("."), "."}, 289 {FILE_PATH_LITERAL("filename.exe"), "filename.exe"}, 290 {FILE_PATH_LITERAL(".longext"), ".longext"}, 291 {FILE_PATH_LITERAL("pie"), "pie"}, 292 {FILE_PATH_LITERAL("c:") + kPathSeparator + FILE_PATH_LITERAL("path") + 293 kPathSeparator + FILE_PATH_LITERAL("filename.pie"), 294 "filename.pie"}, 295 {FILE_PATH_LITERAL("c:") + kPathSeparator + FILE_PATH_LITERAL("path") + 296 kPathSeparator + FILE_PATH_LITERAL("longfilename.pie"), 297 "long" + kEllipsisStr + ".pie"}, 298 {FILE_PATH_LITERAL("http://path.com/filename.pie"), "filename.pie"}, 299 {FILE_PATH_LITERAL("http://path.com/longfilename.pie"), 300 "long" + kEllipsisStr + ".pie"}, 301 {FILE_PATH_LITERAL("piesmashingtacularpants"), "pie" + kEllipsisStr}, 302 {FILE_PATH_LITERAL(".piesmashingtacularpants"), ".pie" + kEllipsisStr}, 303 {FILE_PATH_LITERAL("cheese."), "cheese."}, 304 {FILE_PATH_LITERAL("file name.longext"), 305 "file" + kEllipsisStr + ".longext"}, 306 {FILE_PATH_LITERAL("fil ename.longext"), 307 "fil " + kEllipsisStr + ".longext"}, 308 {FILE_PATH_LITERAL("filename.longext"), 309 "file" + kEllipsisStr + ".longext"}, 310 {FILE_PATH_LITERAL("filename.middleext.longext"), 311 "filename.mid" + kEllipsisStr + ".longext"}, 312 {FILE_PATH_LITERAL("filename.superduperextremelylongext"), 313 "filename.sup" + kEllipsisStr + "emelylongext"}, 314 {FILE_PATH_LITERAL("filenamereallylongtext.superduperextremelylongext"), 315 "filenamereall" + kEllipsisStr + "emelylongext"}, 316 {FILE_PATH_LITERAL("file.name.really.long.text.superduperextremelylongext"), 317 "file.name.re" + kEllipsisStr + "emelylongext"} 318 }; 319 320 static const FontList font_list; 321 for (size_t i = 0; i < arraysize(testcases); ++i) { 322 base::FilePath filepath(testcases[i].input); 323 string16 expected = UTF8ToUTF16(testcases[i].output); 324 expected = base::i18n::GetDisplayStringInLTRDirectionality(expected); 325 EXPECT_EQ(expected, ElideFilename(filepath, font_list, 326 GetStringWidthF(UTF8ToUTF16(testcases[i].output), font_list))); 327 } 328} 329 330TEST(TextEliderTest, ElideTextTruncate) { 331 const FontList font_list; 332 const float kTestWidth = GetStringWidthF(ASCIIToUTF16("Test"), font_list); 333 struct TestData { 334 const char* input; 335 float width; 336 const char* output; 337 } cases[] = { 338 { "", 0, "" }, 339 { "Test", 0, "" }, 340 { "", kTestWidth, "" }, 341 { "Tes", kTestWidth, "Tes" }, 342 { "Test", kTestWidth, "Test" }, 343 { "Tests", kTestWidth, "Test" }, 344 }; 345 346 for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) { 347 string16 result = ElideText(UTF8ToUTF16(cases[i].input), font_list, 348 cases[i].width, TRUNCATE_AT_END); 349 EXPECT_EQ(cases[i].output, UTF16ToUTF8(result)); 350 } 351} 352 353TEST(TextEliderTest, ElideTextEllipsis) { 354 const FontList font_list; 355 const float kTestWidth = GetStringWidthF(ASCIIToUTF16("Test"), font_list); 356 const char* kEllipsis = "\xE2\x80\xA6"; 357 const float kEllipsisWidth = 358 GetStringWidthF(UTF8ToUTF16(kEllipsis), font_list); 359 struct TestData { 360 const char* input; 361 float width; 362 const char* output; 363 } cases[] = { 364 { "", 0, "" }, 365 { "Test", 0, "" }, 366 { "Test", kEllipsisWidth, kEllipsis }, 367 { "", kTestWidth, "" }, 368 { "Tes", kTestWidth, "Tes" }, 369 { "Test", kTestWidth, "Test" }, 370 }; 371 372 for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) { 373 string16 result = ElideText(UTF8ToUTF16(cases[i].input), font_list, 374 cases[i].width, ELIDE_AT_END); 375 EXPECT_EQ(cases[i].output, UTF16ToUTF8(result)); 376 } 377} 378 379// Checks that all occurrences of |first_char| are followed by |second_char| and 380// all occurrences of |second_char| are preceded by |first_char| in |text|. 381static void CheckSurrogatePairs(const string16& text, 382 char16 first_char, 383 char16 second_char) { 384 size_t index = text.find_first_of(first_char); 385 while (index != string16::npos) { 386 EXPECT_LT(index, text.length() - 1); 387 EXPECT_EQ(second_char, text[index + 1]); 388 index = text.find_first_of(first_char, index + 1); 389 } 390 index = text.find_first_of(second_char); 391 while (index != string16::npos) { 392 EXPECT_GT(index, 0U); 393 EXPECT_EQ(first_char, text[index - 1]); 394 index = text.find_first_of(second_char, index + 1); 395 } 396} 397 398TEST(TextEliderTest, ElideTextSurrogatePairs) { 399 const FontList font_list; 400 // The below is 'MUSICAL SYMBOL G CLEF', which is represented in UTF-16 as 401 // two characters forming a surrogate pair 0x0001D11E. 402 const std::string kSurrogate = "\xF0\x9D\x84\x9E"; 403 const string16 kTestString = 404 UTF8ToUTF16(kSurrogate + "ab" + kSurrogate + kSurrogate + "cd"); 405 const float kTestStringWidth = GetStringWidthF(kTestString, font_list); 406 const char16 kSurrogateFirstChar = kTestString[0]; 407 const char16 kSurrogateSecondChar = kTestString[1]; 408 string16 result; 409 410 // Elide |kTextString| to all possible widths and check that no instance of 411 // |kSurrogate| was split in two. 412 for (float width = 0; width <= kTestStringWidth; width++) { 413 result = ElideText(kTestString, font_list, width, TRUNCATE_AT_END); 414 CheckSurrogatePairs(result, kSurrogateFirstChar, kSurrogateSecondChar); 415 416 result = ElideText(kTestString, font_list, width, ELIDE_AT_END); 417 CheckSurrogatePairs(result, kSurrogateFirstChar, kSurrogateSecondChar); 418 419 result = ElideText(kTestString, font_list, width, ELIDE_IN_MIDDLE); 420 CheckSurrogatePairs(result, kSurrogateFirstChar, kSurrogateSecondChar); 421 } 422} 423 424TEST(TextEliderTest, ElideTextLongStrings) { 425 const string16 kEllipsisStr = UTF8ToUTF16(kEllipsis); 426 string16 data_scheme(UTF8ToUTF16("data:text/plain,")); 427 size_t data_scheme_length = data_scheme.length(); 428 429 string16 ten_a(10, 'a'); 430 string16 hundred_a(100, 'a'); 431 string16 thousand_a(1000, 'a'); 432 string16 ten_thousand_a(10000, 'a'); 433 string16 hundred_thousand_a(100000, 'a'); 434 string16 million_a(1000000, 'a'); 435 436 size_t number_of_as = 156; 437 string16 long_string_end( 438 data_scheme + string16(number_of_as, 'a') + kEllipsisStr); 439 UTF16Testcase testcases_end[] = { 440 {data_scheme + ten_a, data_scheme + ten_a}, 441 {data_scheme + hundred_a, data_scheme + hundred_a}, 442 {data_scheme + thousand_a, long_string_end}, 443 {data_scheme + ten_thousand_a, long_string_end}, 444 {data_scheme + hundred_thousand_a, long_string_end}, 445 {data_scheme + million_a, long_string_end}, 446 }; 447 448 const FontList font_list; 449 float ellipsis_width = GetStringWidthF(kEllipsisStr, font_list); 450 for (size_t i = 0; i < arraysize(testcases_end); ++i) { 451 // Compare sizes rather than actual contents because if the test fails, 452 // output is rather long. 453 EXPECT_EQ(testcases_end[i].output.size(), 454 ElideText( 455 testcases_end[i].input, 456 font_list, 457 GetStringWidthF(testcases_end[i].output, font_list), 458 ELIDE_AT_END).size()); 459 EXPECT_EQ(kEllipsisStr, 460 ElideText(testcases_end[i].input, font_list, ellipsis_width, 461 ELIDE_AT_END)); 462 } 463 464 size_t number_of_trailing_as = (data_scheme_length + number_of_as) / 2; 465 string16 long_string_middle(data_scheme + 466 string16(number_of_as - number_of_trailing_as, 'a') + kEllipsisStr + 467 string16(number_of_trailing_as, 'a')); 468 UTF16Testcase testcases_middle[] = { 469 {data_scheme + ten_a, data_scheme + ten_a}, 470 {data_scheme + hundred_a, data_scheme + hundred_a}, 471 {data_scheme + thousand_a, long_string_middle}, 472 {data_scheme + ten_thousand_a, long_string_middle}, 473 {data_scheme + hundred_thousand_a, long_string_middle}, 474 {data_scheme + million_a, long_string_middle}, 475 }; 476 477 for (size_t i = 0; i < arraysize(testcases_middle); ++i) { 478 // Compare sizes rather than actual contents because if the test fails, 479 // output is rather long. 480 EXPECT_EQ(testcases_middle[i].output.size(), 481 ElideText( 482 testcases_middle[i].input, 483 font_list, 484 GetStringWidthF(testcases_middle[i].output, font_list), 485 ELIDE_AT_END).size()); 486 EXPECT_EQ(kEllipsisStr, 487 ElideText(testcases_middle[i].input, font_list, ellipsis_width, 488 ELIDE_AT_END)); 489 } 490} 491 492// Verifies display_url is set correctly. 493TEST(TextEliderTest, SortedDisplayURL) { 494 SortedDisplayURL d_url(GURL("http://www.google.com"), std::string()); 495 EXPECT_EQ("www.google.com", UTF16ToASCII(d_url.display_url())); 496} 497 498// Verifies DisplayURL::Compare works correctly. 499TEST(TextEliderTest, SortedDisplayURLCompare) { 500 UErrorCode create_status = U_ZERO_ERROR; 501 scoped_ptr<icu::Collator> collator( 502 icu::Collator::createInstance(create_status)); 503 if (!U_SUCCESS(create_status)) 504 return; 505 506 TestData tests[] = { 507 // IDN comparison. Hosts equal, so compares on path. 508 { "http://xn--1lq90i.cn/a", "http://xn--1lq90i.cn/b", -1}, 509 510 // Because the host and after host match, this compares the full url. 511 { "http://www.x/b", "http://x/b", -1 }, 512 513 // Because the host and after host match, this compares the full url. 514 { "http://www.a:1/b", "http://a:1/b", 1 }, 515 516 // The hosts match, so these end up comparing on the after host portion. 517 { "http://www.x:0/b", "http://x:1/b", -1 }, 518 { "http://www.x/a", "http://x/b", -1 }, 519 { "http://x/b", "http://www.x/a", 1 }, 520 521 // Trivial Equality. 522 { "http://a/", "http://a/", 0 }, 523 524 // Compares just hosts. 525 { "http://www.a/", "http://b/", -1 }, 526 }; 527 528 for (size_t i = 0; i < arraysize(tests); ++i) { 529 SortedDisplayURL url1(GURL(tests[i].a), std::string()); 530 SortedDisplayURL url2(GURL(tests[i].b), std::string()); 531 EXPECT_EQ(tests[i].compare_result, url1.Compare(url2, collator.get())); 532 EXPECT_EQ(-tests[i].compare_result, url2.Compare(url1, collator.get())); 533 } 534} 535 536TEST(TextEliderTest, ElideString) { 537 struct TestData { 538 const char* input; 539 int max_len; 540 bool result; 541 const char* output; 542 } cases[] = { 543 { "Hello", 0, true, "" }, 544 { "", 0, false, "" }, 545 { "Hello, my name is Tom", 1, true, "H" }, 546 { "Hello, my name is Tom", 2, true, "He" }, 547 { "Hello, my name is Tom", 3, true, "H.m" }, 548 { "Hello, my name is Tom", 4, true, "H..m" }, 549 { "Hello, my name is Tom", 5, true, "H...m" }, 550 { "Hello, my name is Tom", 6, true, "He...m" }, 551 { "Hello, my name is Tom", 7, true, "He...om" }, 552 { "Hello, my name is Tom", 10, true, "Hell...Tom" }, 553 { "Hello, my name is Tom", 100, false, "Hello, my name is Tom" } 554 }; 555 for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) { 556 string16 output; 557 EXPECT_EQ(cases[i].result, 558 ElideString(UTF8ToUTF16(cases[i].input), 559 cases[i].max_len, &output)); 560 EXPECT_EQ(cases[i].output, UTF16ToUTF8(output)); 561 } 562} 563 564TEST(TextEliderTest, ElideRectangleText) { 565 const FontList font_list; 566 const int line_height = font_list.GetHeight(); 567 const float test_width = GetStringWidthF(ASCIIToUTF16("Test"), font_list); 568 569 struct TestData { 570 const char* input; 571 float available_pixel_width; 572 int available_pixel_height; 573 bool truncated_y; 574 const char* output; 575 } cases[] = { 576 { "", 0, 0, false, NULL }, 577 { "", 1, 1, false, NULL }, 578 { "Test", test_width, 0, true, NULL }, 579 { "Test", test_width, 1, false, "Test" }, 580 { "Test", test_width, line_height, false, "Test" }, 581 { "Test Test", test_width, line_height, true, "Test" }, 582 { "Test Test", test_width, line_height + 1, false, "Test|Test" }, 583 { "Test Test", test_width, line_height * 2, false, "Test|Test" }, 584 { "Test Test", test_width, line_height * 3, false, "Test|Test" }, 585 { "Test Test", test_width * 2, line_height * 2, false, "Test|Test" }, 586 { "Test Test", test_width * 3, line_height, false, "Test Test" }, 587 { "Test\nTest", test_width * 3, line_height * 2, false, "Test|Test" }, 588 { "Te\nst Te", test_width, line_height * 3, false, "Te|st|Te" }, 589 { "\nTest", test_width, line_height * 2, false, "|Test" }, 590 { "\nTest", test_width, line_height, true, "" }, 591 { "\n\nTest", test_width, line_height * 3, false, "||Test" }, 592 { "\n\nTest", test_width, line_height * 2, true, "|" }, 593 { "Test\n", 2 * test_width, line_height * 5, false, "Test|" }, 594 { "Test\n\n", 2 * test_width, line_height * 5, false, "Test||" }, 595 { "Test\n\n\n", 2 * test_width, line_height * 5, false, "Test|||" }, 596 { "Test\nTest\n\n", 2 * test_width, line_height * 5, false, "Test|Test||" }, 597 { "Test\n\nTest\n", 2 * test_width, line_height * 5, false, "Test||Test|" }, 598 { "Test\n\n\nTest", 2 * test_width, line_height * 5, false, "Test|||Test" }, 599 { "Te ", test_width, line_height, false, "Te" }, 600 { "Te Te Test", test_width, 3 * line_height, false, "Te|Te|Test" }, 601 }; 602 603 for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) { 604 std::vector<string16> lines; 605 EXPECT_EQ(cases[i].truncated_y ? INSUFFICIENT_SPACE_VERTICAL : 0, 606 ElideRectangleText(UTF8ToUTF16(cases[i].input), 607 font_list, 608 cases[i].available_pixel_width, 609 cases[i].available_pixel_height, 610 TRUNCATE_LONG_WORDS, 611 &lines)); 612 if (cases[i].output) { 613 const std::string result = UTF16ToUTF8(JoinString(lines, '|')); 614 EXPECT_EQ(cases[i].output, result) << "Case " << i << " failed!"; 615 } else { 616 EXPECT_TRUE(lines.empty()) << "Case " << i << " failed!"; 617 } 618 } 619} 620 621TEST(TextEliderTest, ElideRectangleTextPunctuation) { 622 const FontList font_list; 623 const int line_height = font_list.GetHeight(); 624 const float test_width = GetStringWidthF(ASCIIToUTF16("Test"), font_list); 625 const float test_t_width = GetStringWidthF(ASCIIToUTF16("Test T"), font_list); 626 627 struct TestData { 628 const char* input; 629 float available_pixel_width; 630 int available_pixel_height; 631 bool wrap_words; 632 bool truncated_x; 633 const char* output; 634 } cases[] = { 635 { "Test T.", test_t_width, line_height * 2, false, false, "Test|T." }, 636 { "Test T ?", test_t_width, line_height * 2, false, false, "Test|T ?" }, 637 { "Test. Test", test_width, line_height * 3, false, true, "Test|Test" }, 638 { "Test. Test", test_width, line_height * 3, true, false, "Test|.|Test" }, 639 }; 640 641 for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) { 642 std::vector<string16> lines; 643 const WordWrapBehavior wrap_behavior = 644 (cases[i].wrap_words ? WRAP_LONG_WORDS : TRUNCATE_LONG_WORDS); 645 EXPECT_EQ(cases[i].truncated_x ? INSUFFICIENT_SPACE_HORIZONTAL : 0, 646 ElideRectangleText(UTF8ToUTF16(cases[i].input), 647 font_list, 648 cases[i].available_pixel_width, 649 cases[i].available_pixel_height, 650 wrap_behavior, 651 &lines)); 652 if (cases[i].output) { 653 const std::string result = UTF16ToUTF8(JoinString(lines, '|')); 654 EXPECT_EQ(cases[i].output, result) << "Case " << i << " failed!"; 655 } else { 656 EXPECT_TRUE(lines.empty()) << "Case " << i << " failed!"; 657 } 658 } 659} 660 661TEST(TextEliderTest, ElideRectangleTextLongWords) { 662 const FontList font_list; 663 const int kAvailableHeight = 1000; 664 const string16 kElidedTesting = UTF8ToUTF16(std::string("Tes") + kEllipsis); 665 const float elided_width = GetStringWidthF(kElidedTesting, font_list); 666 const float test_width = GetStringWidthF(ASCIIToUTF16("Test"), font_list); 667 668 struct TestData { 669 const char* input; 670 float available_pixel_width; 671 WordWrapBehavior wrap_behavior; 672 bool truncated_x; 673 const char* output; 674 } cases[] = { 675 { "Testing", test_width, IGNORE_LONG_WORDS, false, "Testing" }, 676 { "X Testing", test_width, IGNORE_LONG_WORDS, false, "X|Testing" }, 677 { "Test Testing", test_width, IGNORE_LONG_WORDS, false, "Test|Testing" }, 678 { "Test\nTesting", test_width, IGNORE_LONG_WORDS, false, "Test|Testing" }, 679 { "Test Tests ", test_width, IGNORE_LONG_WORDS, false, "Test|Tests" }, 680 { "Test Tests T", test_width, IGNORE_LONG_WORDS, false, "Test|Tests|T" }, 681 682 { "Testing", elided_width, ELIDE_LONG_WORDS, true, "Tes..." }, 683 { "X Testing", elided_width, ELIDE_LONG_WORDS, true, "X|Tes..." }, 684 { "Test Testing", elided_width, ELIDE_LONG_WORDS, true, "Test|Tes..." }, 685 { "Test\nTesting", elided_width, ELIDE_LONG_WORDS, true, "Test|Tes..." }, 686 687 { "Testing", test_width, TRUNCATE_LONG_WORDS, true, "Test" }, 688 { "X Testing", test_width, TRUNCATE_LONG_WORDS, true, "X|Test" }, 689 { "Test Testing", test_width, TRUNCATE_LONG_WORDS, true, "Test|Test" }, 690 { "Test\nTesting", test_width, TRUNCATE_LONG_WORDS, true, "Test|Test" }, 691 { "Test Tests ", test_width, TRUNCATE_LONG_WORDS, true, "Test|Test" }, 692 { "Test Tests T", test_width, TRUNCATE_LONG_WORDS, true, "Test|Test|T" }, 693 694 { "Testing", test_width, WRAP_LONG_WORDS, false, "Test|ing" }, 695 { "X Testing", test_width, WRAP_LONG_WORDS, false, "X|Test|ing" }, 696 { "Test Testing", test_width, WRAP_LONG_WORDS, false, "Test|Test|ing" }, 697 { "Test\nTesting", test_width, WRAP_LONG_WORDS, false, "Test|Test|ing" }, 698 { "Test Tests ", test_width, WRAP_LONG_WORDS, false, "Test|Test|s" }, 699 { "Test Tests T", test_width, WRAP_LONG_WORDS, false, "Test|Test|s T" }, 700 { "TestTestTest", test_width, WRAP_LONG_WORDS, false, "Test|Test|Test" }, 701 { "TestTestTestT", test_width, WRAP_LONG_WORDS, false, "Test|Test|Test|T" }, 702 }; 703 704 for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) { 705 std::vector<string16> lines; 706 EXPECT_EQ(cases[i].truncated_x ? INSUFFICIENT_SPACE_HORIZONTAL : 0, 707 ElideRectangleText(UTF8ToUTF16(cases[i].input), 708 font_list, 709 cases[i].available_pixel_width, 710 kAvailableHeight, 711 cases[i].wrap_behavior, 712 &lines)); 713 std::string expected_output(cases[i].output); 714 ReplaceSubstringsAfterOffset(&expected_output, 0, "...", kEllipsis); 715 const std::string result = UTF16ToUTF8(JoinString(lines, '|')); 716 EXPECT_EQ(expected_output, result) << "Case " << i << " failed!"; 717 } 718} 719 720// This test is to make sure that the width of each wrapped line does not 721// exceed the available width. On some platform like Mac, this test used to 722// fail because the truncated integer width is returned for the string 723// and the accumulation of the truncated values causes the elide function 724// to wrap incorrectly. 725TEST(TextEliderTest, ElideRectangleTextCheckLineWidth) { 726 FontList font_list; 727#if defined(OS_MACOSX) && !defined(OS_IOS) 728 // Use a specific font to expose the line width exceeding problem. 729 font_list = FontList(Font("LucidaGrande", 12)); 730#endif 731 const float kAvailableWidth = 235; 732 const int kAvailableHeight = 1000; 733 const char text[] = "that Russian place we used to go to after fencing"; 734 std::vector<string16> lines; 735 EXPECT_EQ(0, ElideRectangleText(UTF8ToUTF16(text), 736 font_list, 737 kAvailableWidth, 738 kAvailableHeight, 739 WRAP_LONG_WORDS, 740 &lines)); 741 ASSERT_EQ(2u, lines.size()); 742 EXPECT_LE(GetStringWidthF(lines[0], font_list), kAvailableWidth); 743 EXPECT_LE(GetStringWidthF(lines[1], font_list), kAvailableWidth); 744} 745 746TEST(TextEliderTest, ElideRectangleString) { 747 struct TestData { 748 const char* input; 749 int max_rows; 750 int max_cols; 751 bool result; 752 const char* output; 753 } cases[] = { 754 { "", 0, 0, false, "" }, 755 { "", 1, 1, false, "" }, 756 { "Hi, my name is\nTom", 0, 0, true, "..." }, 757 { "Hi, my name is\nTom", 1, 0, true, "\n..." }, 758 { "Hi, my name is\nTom", 0, 1, true, "..." }, 759 { "Hi, my name is\nTom", 1, 1, true, "H\n..." }, 760 { "Hi, my name is\nTom", 2, 1, true, "H\ni\n..." }, 761 { "Hi, my name is\nTom", 3, 1, true, "H\ni\n,\n..." }, 762 { "Hi, my name is\nTom", 4, 1, true, "H\ni\n,\n \n..." }, 763 { "Hi, my name is\nTom", 5, 1, true, "H\ni\n,\n \nm\n..." }, 764 { "Hi, my name is\nTom", 0, 2, true, "..." }, 765 { "Hi, my name is\nTom", 1, 2, true, "Hi\n..." }, 766 { "Hi, my name is\nTom", 2, 2, true, "Hi\n, \n..." }, 767 { "Hi, my name is\nTom", 3, 2, true, "Hi\n, \nmy\n..." }, 768 { "Hi, my name is\nTom", 4, 2, true, "Hi\n, \nmy\n n\n..." }, 769 { "Hi, my name is\nTom", 5, 2, true, "Hi\n, \nmy\n n\nam\n..." }, 770 { "Hi, my name is\nTom", 0, 3, true, "..." }, 771 { "Hi, my name is\nTom", 1, 3, true, "Hi,\n..." }, 772 { "Hi, my name is\nTom", 2, 3, true, "Hi,\n my\n..." }, 773 { "Hi, my name is\nTom", 3, 3, true, "Hi,\n my\n na\n..." }, 774 { "Hi, my name is\nTom", 4, 3, true, "Hi,\n my\n na\nme \n..." }, 775 { "Hi, my name is\nTom", 5, 3, true, "Hi,\n my\n na\nme \nis\n..." }, 776 { "Hi, my name is\nTom", 1, 4, true, "Hi, \n..." }, 777 { "Hi, my name is\nTom", 2, 4, true, "Hi, \nmy n\n..." }, 778 { "Hi, my name is\nTom", 3, 4, true, "Hi, \nmy n\name \n..." }, 779 { "Hi, my name is\nTom", 4, 4, true, "Hi, \nmy n\name \nis\n..." }, 780 { "Hi, my name is\nTom", 5, 4, false, "Hi, \nmy n\name \nis\nTom" }, 781 { "Hi, my name is\nTom", 1, 5, true, "Hi, \n..." }, 782 { "Hi, my name is\nTom", 2, 5, true, "Hi, \nmy na\n..." }, 783 { "Hi, my name is\nTom", 3, 5, true, "Hi, \nmy na\nme \n..." }, 784 { "Hi, my name is\nTom", 4, 5, true, "Hi, \nmy na\nme \nis\n..." }, 785 { "Hi, my name is\nTom", 5, 5, false, "Hi, \nmy na\nme \nis\nTom" }, 786 { "Hi, my name is\nTom", 1, 6, true, "Hi, \n..." }, 787 { "Hi, my name is\nTom", 2, 6, true, "Hi, \nmy \n..." }, 788 { "Hi, my name is\nTom", 3, 6, true, "Hi, \nmy \nname \n..." }, 789 { "Hi, my name is\nTom", 4, 6, true, "Hi, \nmy \nname \nis\n..." }, 790 { "Hi, my name is\nTom", 5, 6, false, "Hi, \nmy \nname \nis\nTom" }, 791 { "Hi, my name is\nTom", 1, 7, true, "Hi, \n..." }, 792 { "Hi, my name is\nTom", 2, 7, true, "Hi, \nmy \n..." }, 793 { "Hi, my name is\nTom", 3, 7, true, "Hi, \nmy \nname \n..." }, 794 { "Hi, my name is\nTom", 4, 7, true, "Hi, \nmy \nname \nis\n..." }, 795 { "Hi, my name is\nTom", 5, 7, false, "Hi, \nmy \nname \nis\nTom" }, 796 { "Hi, my name is\nTom", 1, 8, true, "Hi, my \n..." }, 797 { "Hi, my name is\nTom", 2, 8, true, "Hi, my \nname \n..." }, 798 { "Hi, my name is\nTom", 3, 8, true, "Hi, my \nname \nis\n..." }, 799 { "Hi, my name is\nTom", 4, 8, false, "Hi, my \nname \nis\nTom" }, 800 { "Hi, my name is\nTom", 1, 9, true, "Hi, my \n..." }, 801 { "Hi, my name is\nTom", 2, 9, true, "Hi, my \nname is\n..." }, 802 { "Hi, my name is\nTom", 3, 9, false, "Hi, my \nname is\nTom" }, 803 { "Hi, my name is\nTom", 1, 10, true, "Hi, my \n..." }, 804 { "Hi, my name is\nTom", 2, 10, true, "Hi, my \nname is\n..." }, 805 { "Hi, my name is\nTom", 3, 10, false, "Hi, my \nname is\nTom" }, 806 { "Hi, my name is\nTom", 1, 11, true, "Hi, my \n..." }, 807 { "Hi, my name is\nTom", 2, 11, true, "Hi, my \nname is\n..." }, 808 { "Hi, my name is\nTom", 3, 11, false, "Hi, my \nname is\nTom" }, 809 { "Hi, my name is\nTom", 1, 12, true, "Hi, my \n..." }, 810 { "Hi, my name is\nTom", 2, 12, true, "Hi, my \nname is\n..." }, 811 { "Hi, my name is\nTom", 3, 12, false, "Hi, my \nname is\nTom" }, 812 { "Hi, my name is\nTom", 1, 13, true, "Hi, my name \n..." }, 813 { "Hi, my name is\nTom", 2, 13, true, "Hi, my name \nis\n..." }, 814 { "Hi, my name is\nTom", 3, 13, false, "Hi, my name \nis\nTom" }, 815 { "Hi, my name is\nTom", 1, 20, true, "Hi, my name is\n..." }, 816 { "Hi, my name is\nTom", 2, 20, false, "Hi, my name is\nTom" }, 817 { "Hi, my name is Tom", 1, 40, false, "Hi, my name is Tom" }, 818 }; 819 string16 output; 820 for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) { 821 EXPECT_EQ(cases[i].result, 822 ElideRectangleString(UTF8ToUTF16(cases[i].input), 823 cases[i].max_rows, cases[i].max_cols, 824 true, &output)); 825 EXPECT_EQ(cases[i].output, UTF16ToUTF8(output)); 826 } 827} 828 829TEST(TextEliderTest, ElideRectangleStringNotStrict) { 830 struct TestData { 831 const char* input; 832 int max_rows; 833 int max_cols; 834 bool result; 835 const char* output; 836 } cases[] = { 837 { "", 0, 0, false, "" }, 838 { "", 1, 1, false, "" }, 839 { "Hi, my name_is\nDick", 0, 0, true, "..." }, 840 { "Hi, my name_is\nDick", 1, 0, true, "\n..." }, 841 { "Hi, my name_is\nDick", 0, 1, true, "..." }, 842 { "Hi, my name_is\nDick", 1, 1, true, "H\n..." }, 843 { "Hi, my name_is\nDick", 2, 1, true, "H\ni\n..." }, 844 { "Hi, my name_is\nDick", 3, 1, true, "H\ni\n,\n..." }, 845 { "Hi, my name_is\nDick", 4, 1, true, "H\ni\n,\n \n..." }, 846 { "Hi, my name_is\nDick", 5, 1, true, "H\ni\n,\n \nm\n..." }, 847 { "Hi, my name_is\nDick", 0, 2, true, "..." }, 848 { "Hi, my name_is\nDick", 1, 2, true, "Hi\n..." }, 849 { "Hi, my name_is\nDick", 2, 2, true, "Hi\n, \n..." }, 850 { "Hi, my name_is\nDick", 3, 2, true, "Hi\n, \nmy\n..." }, 851 { "Hi, my name_is\nDick", 4, 2, true, "Hi\n, \nmy\n n\n..." }, 852 { "Hi, my name_is\nDick", 5, 2, true, "Hi\n, \nmy\n n\nam\n..." }, 853 { "Hi, my name_is\nDick", 0, 3, true, "..." }, 854 { "Hi, my name_is\nDick", 1, 3, true, "Hi,\n..." }, 855 { "Hi, my name_is\nDick", 2, 3, true, "Hi,\n my\n..." }, 856 { "Hi, my name_is\nDick", 3, 3, true, "Hi,\n my\n na\n..." }, 857 { "Hi, my name_is\nDick", 4, 3, true, "Hi,\n my\n na\nme_\n..." }, 858 { "Hi, my name_is\nDick", 5, 3, true, "Hi,\n my\n na\nme_\nis\n..." }, 859 { "Hi, my name_is\nDick", 1, 4, true, "Hi, ..." }, 860 { "Hi, my name_is\nDick", 2, 4, true, "Hi, my n\n..." }, 861 { "Hi, my name_is\nDick", 3, 4, true, "Hi, my n\name_\n..." }, 862 { "Hi, my name_is\nDick", 4, 4, true, "Hi, my n\name_\nis\n..." }, 863 { "Hi, my name_is\nDick", 5, 4, false, "Hi, my n\name_\nis\nDick" }, 864 { "Hi, my name_is\nDick", 1, 5, true, "Hi, ..." }, 865 { "Hi, my name_is\nDick", 2, 5, true, "Hi, my na\n..." }, 866 { "Hi, my name_is\nDick", 3, 5, true, "Hi, my na\nme_is\n..." }, 867 { "Hi, my name_is\nDick", 4, 5, true, "Hi, my na\nme_is\n\n..." }, 868 { "Hi, my name_is\nDick", 5, 5, false, "Hi, my na\nme_is\n\nDick" }, 869 { "Hi, my name_is\nDick", 1, 6, true, "Hi, ..." }, 870 { "Hi, my name_is\nDick", 2, 6, true, "Hi, my nam\n..." }, 871 { "Hi, my name_is\nDick", 3, 6, true, "Hi, my nam\ne_is\n..." }, 872 { "Hi, my name_is\nDick", 4, 6, false, "Hi, my nam\ne_is\nDick" }, 873 { "Hi, my name_is\nDick", 5, 6, false, "Hi, my nam\ne_is\nDick" }, 874 { "Hi, my name_is\nDick", 1, 7, true, "Hi, ..." }, 875 { "Hi, my name_is\nDick", 2, 7, true, "Hi, my name\n..." }, 876 { "Hi, my name_is\nDick", 3, 7, true, "Hi, my name\n_is\n..." }, 877 { "Hi, my name_is\nDick", 4, 7, false, "Hi, my name\n_is\nDick" }, 878 { "Hi, my name_is\nDick", 5, 7, false, "Hi, my name\n_is\nDick" }, 879 { "Hi, my name_is\nDick", 1, 8, true, "Hi, my n\n..." }, 880 { "Hi, my name_is\nDick", 2, 8, true, "Hi, my n\name_is\n..." }, 881 { "Hi, my name_is\nDick", 3, 8, false, "Hi, my n\name_is\nDick" }, 882 { "Hi, my name_is\nDick", 1, 9, true, "Hi, my ..." }, 883 { "Hi, my name_is\nDick", 2, 9, true, "Hi, my name_is\n..." }, 884 { "Hi, my name_is\nDick", 3, 9, false, "Hi, my name_is\nDick" }, 885 { "Hi, my name_is\nDick", 1, 10, true, "Hi, my ..." }, 886 { "Hi, my name_is\nDick", 2, 10, true, "Hi, my name_is\n..." }, 887 { "Hi, my name_is\nDick", 3, 10, false, "Hi, my name_is\nDick" }, 888 { "Hi, my name_is\nDick", 1, 11, true, "Hi, my ..." }, 889 { "Hi, my name_is\nDick", 2, 11, true, "Hi, my name_is\n..." }, 890 { "Hi, my name_is\nDick", 3, 11, false, "Hi, my name_is\nDick" }, 891 { "Hi, my name_is\nDick", 1, 12, true, "Hi, my ..." }, 892 { "Hi, my name_is\nDick", 2, 12, true, "Hi, my name_is\n..." }, 893 { "Hi, my name_is\nDick", 3, 12, false, "Hi, my name_is\nDick" }, 894 { "Hi, my name_is\nDick", 1, 13, true, "Hi, my ..." }, 895 { "Hi, my name_is\nDick", 2, 13, true, "Hi, my name_is\n..." }, 896 { "Hi, my name_is\nDick", 3, 13, false, "Hi, my name_is\nDick" }, 897 { "Hi, my name_is\nDick", 1, 20, true, "Hi, my name_is\n..." }, 898 { "Hi, my name_is\nDick", 2, 20, false, "Hi, my name_is\nDick" }, 899 { "Hi, my name_is Dick", 1, 40, false, "Hi, my name_is Dick" }, 900 }; 901 string16 output; 902 for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) { 903 EXPECT_EQ(cases[i].result, 904 ElideRectangleString(UTF8ToUTF16(cases[i].input), 905 cases[i].max_rows, cases[i].max_cols, 906 false, &output)); 907 EXPECT_EQ(cases[i].output, UTF16ToUTF8(output)); 908 } 909} 910 911TEST(TextEliderTest, ElideRectangleWide16) { 912 // Two greek words separated by space. 913 const string16 str(WideToUTF16( 914 L"\x03a0\x03b1\x03b3\x03ba\x03cc\x03c3\x03bc\x03b9" 915 L"\x03bf\x03c2\x0020\x0399\x03c3\x03c4\x03cc\x03c2")); 916 const string16 out1(WideToUTF16( 917 L"\x03a0\x03b1\x03b3\x03ba\n" 918 L"\x03cc\x03c3\x03bc\x03b9\n" 919 L"...")); 920 const string16 out2(WideToUTF16( 921 L"\x03a0\x03b1\x03b3\x03ba\x03cc\x03c3\x03bc\x03b9\x03bf\x03c2\x0020\n" 922 L"\x0399\x03c3\x03c4\x03cc\x03c2")); 923 string16 output; 924 EXPECT_TRUE(ElideRectangleString(str, 2, 4, true, &output)); 925 EXPECT_EQ(out1, output); 926 EXPECT_FALSE(ElideRectangleString(str, 2, 12, true, &output)); 927 EXPECT_EQ(out2, output); 928} 929 930TEST(TextEliderTest, ElideRectangleWide32) { 931 // Four U+1D49C MATHEMATICAL SCRIPT CAPITAL A followed by space "aaaaa". 932 const string16 str(UTF8ToUTF16( 933 "\xF0\x9D\x92\x9C\xF0\x9D\x92\x9C\xF0\x9D\x92\x9C\xF0\x9D\x92\x9C" 934 " aaaaa")); 935 const string16 out(UTF8ToUTF16( 936 "\xF0\x9D\x92\x9C\xF0\x9D\x92\x9C\xF0\x9D\x92\x9C\n" 937 "\xF0\x9D\x92\x9C \naaa\n...")); 938 string16 output; 939 EXPECT_TRUE(ElideRectangleString(str, 3, 3, true, &output)); 940 EXPECT_EQ(out, output); 941} 942 943TEST(TextEliderTest, TruncateString) { 944 string16 string = ASCIIToUTF16("foooooey bxxxar baz"); 945 946 // Make sure it doesn't modify the string if length > string length. 947 EXPECT_EQ(string, TruncateString(string, 100)); 948 949 // Test no characters. 950 EXPECT_EQ(L"", UTF16ToWide(TruncateString(string, 0))); 951 952 // Test 1 character. 953 EXPECT_EQ(L"\x2026", UTF16ToWide(TruncateString(string, 1))); 954 955 // Test adds ... at right spot when there is enough room to break at a 956 // word boundary. 957 EXPECT_EQ(L"foooooey\x2026", UTF16ToWide(TruncateString(string, 14))); 958 959 // Test adds ... at right spot when there is not enough space in first word. 960 EXPECT_EQ(L"f\x2026", UTF16ToWide(TruncateString(string, 2))); 961 962 // Test adds ... at right spot when there is not enough room to break at a 963 // word boundary. 964 EXPECT_EQ(L"foooooey\x2026", UTF16ToWide(TruncateString(string, 11))); 965 966 // Test completely truncates string if break is on initial whitespace. 967 EXPECT_EQ(L"\x2026", UTF16ToWide(TruncateString(ASCIIToUTF16(" "), 2))); 968} 969 970} // namespace gfx 971