[email protected] | dbb97ba | 2013-09-09 22:15:25 | [diff] [blame] | 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 "url/gurl.h" |
| 17 | |
| 18 | namespace gfx { |
| 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 | |
[email protected] | c308798 | 2013-09-20 17:46:53 | [diff] [blame^] | 56 | gfx::Font GetTestingFont() { |
| 57 | gfx::Font font; |
| 58 | #if defined(OS_MACOSX) |
| 59 | // Use a specific font for certain tests on Mac. |
| 60 | // 1) Different Mac machines might be configured with different default font. |
| 61 | // The number of extra pixels needed to make ElideEmail/TestFilenameEliding |
| 62 | // tests work might vary per the default font. |
| 63 | // 2) This specific font helps expose the line width exceeding problem as in |
| 64 | // ElideRectangleTextCheckLineWidth. |
| 65 | font = gfx::Font("LucidaGrande", 12); |
| 66 | #endif |
| 67 | return font; |
| 68 | } |
| 69 | |
[email protected] | dbb97ba | 2013-09-09 22:15:25 | [diff] [blame] | 70 | } // namespace |
| 71 | |
| 72 | // TODO(ios): Complex eliding is off by one for some of those tests on iOS. |
| 73 | // See crbug.com/154019 |
| 74 | #if defined(OS_IOS) |
| 75 | #define MAYBE_ElideEmail DISABLED_ElideEmail |
| 76 | #else |
| 77 | #define MAYBE_ElideEmail ElideEmail |
| 78 | #endif |
| 79 | TEST(TextEliderTest, MAYBE_ElideEmail) { |
| 80 | const std::string kEllipsisStr(kEllipsis); |
| 81 | |
| 82 | // Test emails and their expected elided forms (from which the available |
| 83 | // widths will be derived). |
| 84 | // For elided forms in which both the username and domain must be elided: |
| 85 | // the result (how many characters are left on each side) can be font |
| 86 | // dependent. To avoid this, the username is prefixed with the characters |
| 87 | // expected to remain in the domain. |
| 88 | Testcase testcases[] = { |
| 89 | {"[email protected]", "[email protected]"}, |
| 90 | {"[email protected]", kEllipsisStr}, |
| 91 | {"[email protected]", "ga@c" + kEllipsisStr + "a"}, |
| 92 | {"[email protected]", "s" + kEllipsisStr + "@s" + kEllipsisStr}, |
| 93 | {"[email protected]", "s" + kEllipsisStr + "@small.com"}, |
| 94 | {"[email protected]", "[email protected]"}, |
| 95 | {"[email protected]", |
| 96 | "short@long" + kEllipsisStr + ".com"}, |
| 97 | {"[email protected]", |
| 98 | "la" + kEllipsisStr + "@l" + kEllipsisStr + "a"}, |
| 99 | {"[email protected]", "long" + kEllipsisStr + "@gmail.com"}, |
| 100 | {"[email protected]", "e" + kEllipsisStr + "@justfits.com"}, |
| 101 | {"[email protected]", |
| 102 | "thatom" + kEllipsisStr + "@tha" + kEllipsisStr + "om"}, |
| 103 | {"[email protected]", |
| 104 | "namefits@butthedo" + kEllipsisStr + "snt.com"}, |
| 105 | {"[email protected]", kEllipsisStr}, |
| 106 | {"nospaceforusername@l", kEllipsisStr}, |
| 107 | {"[email protected]", "l" + kEllipsisStr + "@l" + kEllipsisStr}, |
| 108 | {"[email protected]", "l@lllll" + kEllipsisStr + ".com"}, |
| 109 | {"messed\"up@whyanat\"[email protected]", |
| 110 | "messed\"up@whyanat\"[email protected]"}, |
| 111 | {"messed\"up@whyanat\"[email protected]", |
| 112 | "messed\"up@why" + kEllipsisStr + "@notgoogley.com"}, |
| 113 | {"noca_messed\"up@whyanat\"[email protected]", |
| 114 | "noca" + kEllipsisStr + "@no" + kEllipsisStr + "ca"}, |
| 115 | {"at\"@@@@@@@@@...@@.@.@.@@@\"@madness.com", |
| 116 | "at\"@@@@@@@@@...@@.@." + kEllipsisStr + "@madness.com"}, |
| 117 | // Special case: "m..." takes more than half of the available width; thus |
| 118 | // the domain must elide to "l..." and not "l...l" as it must allow enough |
| 119 | // space for the minimal username elision although its half of the |
| 120 | // available width would normally allow it to elide to "l...l". |
| 121 | {"mmmmm@llllllllll", "m" + kEllipsisStr + "@l" + kEllipsisStr}, |
| 122 | }; |
| 123 | |
[email protected] | c308798 | 2013-09-20 17:46:53 | [diff] [blame^] | 124 | const gfx::Font font = GetTestingFont(); |
[email protected] | dbb97ba | 2013-09-09 22:15:25 | [diff] [blame] | 125 | for (size_t i = 0; i < arraysize(testcases); ++i) { |
| 126 | const string16 expected_output = UTF8ToUTF16(testcases[i].output); |
[email protected] | c308798 | 2013-09-20 17:46:53 | [diff] [blame^] | 127 | int available_width = font.GetStringWidth(expected_output); |
| 128 | #if defined(OS_MACOSX) |
| 129 | // Give two extra pixels to offset the ceiling width returned by |
| 130 | // GetStringWidth on Mac. This workaround will no longer be needed once |
| 131 | // the floating point width is adopted (http://crbug.com/288987). |
| 132 | // Note that we need one more pixel than TestFilenameEliding because |
| 133 | // multiple strings are elided and we need to offset more. |
| 134 | available_width += 2; |
| 135 | #endif |
[email protected] | dbb97ba | 2013-09-09 22:15:25 | [diff] [blame] | 136 | EXPECT_EQ(expected_output, |
| 137 | ElideEmail(UTF8ToUTF16(testcases[i].input), |
| 138 | font, |
[email protected] | c308798 | 2013-09-20 17:46:53 | [diff] [blame^] | 139 | available_width)); |
[email protected] | dbb97ba | 2013-09-09 22:15:25 | [diff] [blame] | 140 | } |
| 141 | } |
| 142 | |
| 143 | TEST(TextEliderTest, ElideEmailMoreSpace) { |
| 144 | const int test_width_factors[] = { |
| 145 | 100, |
| 146 | 10000, |
| 147 | 1000000, |
| 148 | }; |
| 149 | const std::string test_emails[] = { |
| 150 | "a@c", |
| 151 | "[email protected]", |
| 152 | "[email protected]", |
| 153 | "[email protected]", |
| 154 | }; |
| 155 | |
| 156 | const gfx::Font font; |
| 157 | for (size_t i = 0; i < arraysize(test_width_factors); ++i) { |
| 158 | const int test_width = test_width_factors[i] * |
| 159 | font.GetAverageCharacterWidth(); |
| 160 | for (size_t j = 0; j < arraysize(test_emails); ++j) { |
| 161 | // Extra space is available: the email should not be elided. |
| 162 | const string16 test_email = UTF8ToUTF16(test_emails[j]); |
| 163 | EXPECT_EQ(test_email, ElideEmail(test_email, font, test_width)); |
| 164 | } |
| 165 | } |
| 166 | } |
| 167 | |
| 168 | // Test eliding of commonplace URLs. |
| 169 | TEST(TextEliderTest, TestGeneralEliding) { |
| 170 | const std::string kEllipsisStr(kEllipsis); |
| 171 | Testcase testcases[] = { |
| 172 | {"http://www.google.com/intl/en/ads/", |
| 173 | "www.google.com/intl/en/ads/"}, |
| 174 | {"http://www.google.com/intl/en/ads/", "www.google.com/intl/en/ads/"}, |
| 175 | {"http://www.google.com/intl/en/ads/", |
| 176 | "google.com/intl/" + kEllipsisStr + "/ads/"}, |
| 177 | {"http://www.google.com/intl/en/ads/", |
| 178 | "google.com/" + kEllipsisStr + "/ads/"}, |
| 179 | {"http://www.google.com/intl/en/ads/", "google.com/" + kEllipsisStr}, |
| 180 | {"http://www.google.com/intl/en/ads/", "goog" + kEllipsisStr}, |
| 181 | {"https://subdomain.foo.com/bar/filename.html", |
| 182 | "subdomain.foo.com/bar/filename.html"}, |
| 183 | {"https://subdomain.foo.com/bar/filename.html", |
| 184 | "subdomain.foo.com/" + kEllipsisStr + "/filename.html"}, |
| 185 | {"http://subdomain.foo.com/bar/filename.html", |
| 186 | kEllipsisStr + "foo.com/" + kEllipsisStr + "/filename.html"}, |
| 187 | {"http://www.google.com/intl/en/ads/?aLongQueryWhichIsNotRequired", |
| 188 | "www.google.com/intl/en/ads/?aLongQ" + kEllipsisStr}, |
| 189 | }; |
| 190 | |
| 191 | RunUrlTest(testcases, arraysize(testcases)); |
| 192 | } |
| 193 | |
| 194 | // When there is very little space available, the elision code will shorten |
| 195 | // both path AND file name to an ellipsis - ".../...". To avoid this result, |
| 196 | // there is a hack in place that simply treats them as one string in this |
| 197 | // case. |
| 198 | TEST(TextEliderTest, TestTrailingEllipsisSlashEllipsisHack) { |
| 199 | const std::string kEllipsisStr(kEllipsis); |
| 200 | |
| 201 | // Very little space, would cause double ellipsis. |
| 202 | gfx::Font font; |
| 203 | GURL url("http://battersbox.com/directory/foo/peter_paul_and_mary.html"); |
| 204 | int available_width = font.GetStringWidth( |
| 205 | UTF8ToUTF16("battersbox.com/" + kEllipsisStr + "/" + kEllipsisStr)); |
| 206 | |
| 207 | // Create the expected string, after elision. Depending on font size, the |
| 208 | // directory might become /dir... or /di... or/d... - it never should be |
| 209 | // shorter than that. (If it is, the font considers d... to be longer |
| 210 | // than .../... - that should never happen). |
| 211 | ASSERT_GT(font.GetStringWidth(UTF8ToUTF16(kEllipsisStr + "/" + kEllipsisStr)), |
| 212 | font.GetStringWidth(UTF8ToUTF16("d" + kEllipsisStr))); |
| 213 | GURL long_url("http://battersbox.com/directorynameisreallylongtoforcetrunc"); |
| 214 | string16 expected = ElideUrl(long_url, font, available_width, std::string()); |
| 215 | // Ensure that the expected result still contains part of the directory name. |
| 216 | ASSERT_GT(expected.length(), std::string("battersbox.com/d").length()); |
| 217 | EXPECT_EQ(expected, |
| 218 | ElideUrl(url, font, available_width, std::string())); |
| 219 | |
| 220 | // More space available - elide directories, partially elide filename. |
| 221 | Testcase testcases[] = { |
| 222 | {"http://battersbox.com/directory/foo/peter_paul_and_mary.html", |
| 223 | "battersbox.com/" + kEllipsisStr + "/peter" + kEllipsisStr}, |
| 224 | }; |
| 225 | RunUrlTest(testcases, arraysize(testcases)); |
| 226 | } |
| 227 | |
| 228 | // Test eliding of empty strings, URLs with ports, passwords, queries, etc. |
| 229 | TEST(TextEliderTest, TestMoreEliding) { |
| 230 | const std::string kEllipsisStr(kEllipsis); |
| 231 | Testcase testcases[] = { |
| 232 | {"http://www.google.com/foo?bar", "www.google.com/foo?bar"}, |
| 233 | {"http://xyz.google.com/foo?bar", "xyz.google.com/foo?" + kEllipsisStr}, |
| 234 | {"http://xyz.google.com/foo?bar", "xyz.google.com/foo" + kEllipsisStr}, |
| 235 | {"http://xyz.google.com/foo?bar", "xyz.google.com/fo" + kEllipsisStr}, |
| 236 | {"http://a.b.com/pathname/c?d", "a.b.com/" + kEllipsisStr + "/c?d"}, |
| 237 | {"", ""}, |
| 238 | {"http://foo.bar..example.com...hello/test/filename.html", |
| 239 | "foo.bar..example.com...hello/" + kEllipsisStr + "/filename.html"}, |
| 240 | {"http://foo.bar../", "foo.bar.."}, |
| 241 | {"http://xn--1lq90i.cn/foo", "\xe5\x8c\x97\xe4\xba\xac.cn/foo"}, |
| 242 | {"http://me:[email protected]:99/foo?bar#baz", |
| 243 | "secrethost.com:99/foo?bar#baz"}, |
| 244 | {"http://me:mypass@ss%xxfdsf.com/foo", "ss%25xxfdsf.com/foo"}, |
| 245 | {"mailto:[email protected]", "mailto:[email protected]"}, |
| 246 | {"javascript:click(0)", "javascript:click(0)"}, |
| 247 | {"https://chess.eecs.berkeley.edu:4430/login/arbitfilename", |
| 248 | "chess.eecs.berkeley.edu:4430/login/arbitfilename"}, |
| 249 | {"https://chess.eecs.berkeley.edu:4430/login/arbitfilename", |
| 250 | kEllipsisStr + "berkeley.edu:4430/" + kEllipsisStr + "/arbitfilename"}, |
| 251 | |
| 252 | // Unescaping. |
| 253 | {"http://www/%E4%BD%A0%E5%A5%BD?q=%E4%BD%A0%E5%A5%BD#\xe4\xbd\xa0", |
| 254 | "www/\xe4\xbd\xa0\xe5\xa5\xbd?q=\xe4\xbd\xa0\xe5\xa5\xbd#\xe4\xbd\xa0"}, |
| 255 | |
| 256 | // Invalid unescaping for path. The ref will always be valid UTF-8. We don't |
| 257 | // bother to do too many edge cases, since these are handled by the escaper |
| 258 | // unittest. |
| 259 | {"http://www/%E4%A0%E5%A5%BD?q=%E4%BD%A0%E5%A5%BD#\xe4\xbd\xa0", |
| 260 | "www/%E4%A0%E5%A5%BD?q=\xe4\xbd\xa0\xe5\xa5\xbd#\xe4\xbd\xa0"}, |
| 261 | }; |
| 262 | |
| 263 | RunUrlTest(testcases, arraysize(testcases)); |
| 264 | } |
| 265 | |
| 266 | // Test eliding of file: URLs. |
| 267 | TEST(TextEliderTest, TestFileURLEliding) { |
| 268 | const std::string kEllipsisStr(kEllipsis); |
| 269 | Testcase testcases[] = { |
| 270 | {"file:///C:/path1/path2/path3/filename", |
| 271 | "file:///C:/path1/path2/path3/filename"}, |
| 272 | {"file:///C:/path1/path2/path3/filename", |
| 273 | "C:/path1/path2/path3/filename"}, |
| 274 | // GURL parses "file:///C:path" differently on windows than it does on posix. |
| 275 | #if defined(OS_WIN) |
| 276 | {"file:///C:path1/path2/path3/filename", |
| 277 | "C:/path1/path2/" + kEllipsisStr + "/filename"}, |
| 278 | {"file:///C:path1/path2/path3/filename", |
| 279 | "C:/path1/" + kEllipsisStr + "/filename"}, |
| 280 | {"file:///C:path1/path2/path3/filename", |
| 281 | "C:/" + kEllipsisStr + "/filename"}, |
| 282 | #endif |
| 283 | {"file://filer/foo/bar/file", "filer/foo/bar/file"}, |
| 284 | {"file://filer/foo/bar/file", "filer/foo/" + kEllipsisStr + "/file"}, |
| 285 | {"file://filer/foo/bar/file", "filer/" + kEllipsisStr + "/file"}, |
| 286 | }; |
| 287 | |
| 288 | RunUrlTest(testcases, arraysize(testcases)); |
| 289 | } |
| 290 | |
| 291 | // TODO(ios): Complex eliding is off by one for some of those tests on iOS. |
| 292 | // See crbug.com/154019 |
| 293 | #if defined(OS_IOS) |
| 294 | #define MAYBE_TestFilenameEliding DISABLED_TestFilenameEliding |
| 295 | #else |
| 296 | #define MAYBE_TestFilenameEliding TestFilenameEliding |
| 297 | #endif |
| 298 | TEST(TextEliderTest, MAYBE_TestFilenameEliding) { |
| 299 | const std::string kEllipsisStr(kEllipsis); |
| 300 | const base::FilePath::StringType kPathSeparator = |
| 301 | base::FilePath::StringType().append(1, base::FilePath::kSeparators[0]); |
| 302 | |
| 303 | FileTestcase testcases[] = { |
| 304 | {FILE_PATH_LITERAL(""), ""}, |
| 305 | {FILE_PATH_LITERAL("."), "."}, |
| 306 | {FILE_PATH_LITERAL("filename.exe"), "filename.exe"}, |
| 307 | {FILE_PATH_LITERAL(".longext"), ".longext"}, |
| 308 | {FILE_PATH_LITERAL("pie"), "pie"}, |
| 309 | {FILE_PATH_LITERAL("c:") + kPathSeparator + FILE_PATH_LITERAL("path") + |
| 310 | kPathSeparator + FILE_PATH_LITERAL("filename.pie"), |
| 311 | "filename.pie"}, |
| 312 | {FILE_PATH_LITERAL("c:") + kPathSeparator + FILE_PATH_LITERAL("path") + |
| 313 | kPathSeparator + FILE_PATH_LITERAL("longfilename.pie"), |
| 314 | "long" + kEllipsisStr + ".pie"}, |
| 315 | {FILE_PATH_LITERAL("http://path.com/filename.pie"), "filename.pie"}, |
| 316 | {FILE_PATH_LITERAL("http://path.com/longfilename.pie"), |
| 317 | "long" + kEllipsisStr + ".pie"}, |
| 318 | {FILE_PATH_LITERAL("piesmashingtacularpants"), "pie" + kEllipsisStr}, |
| 319 | {FILE_PATH_LITERAL(".piesmashingtacularpants"), ".pie" + kEllipsisStr}, |
| 320 | {FILE_PATH_LITERAL("cheese."), "cheese."}, |
| 321 | {FILE_PATH_LITERAL("file name.longext"), |
| 322 | "file" + kEllipsisStr + ".longext"}, |
| 323 | {FILE_PATH_LITERAL("fil ename.longext"), |
| 324 | "fil " + kEllipsisStr + ".longext"}, |
| 325 | {FILE_PATH_LITERAL("filename.longext"), |
| 326 | "file" + kEllipsisStr + ".longext"}, |
| 327 | {FILE_PATH_LITERAL("filename.middleext.longext"), |
| 328 | "filename.mid" + kEllipsisStr + ".longext"}, |
| 329 | {FILE_PATH_LITERAL("filename.superduperextremelylongext"), |
| 330 | "filename.sup" + kEllipsisStr + "emelylongext"}, |
| 331 | {FILE_PATH_LITERAL("filenamereallylongtext.superduperextremelylongext"), |
| 332 | "filenamereall" + kEllipsisStr + "emelylongext"}, |
| 333 | {FILE_PATH_LITERAL("file.name.really.long.text.superduperextremelylongext"), |
| 334 | "file.name.re" + kEllipsisStr + "emelylongext"} |
| 335 | }; |
| 336 | |
[email protected] | c308798 | 2013-09-20 17:46:53 | [diff] [blame^] | 337 | static const gfx::Font font = GetTestingFont(); |
[email protected] | dbb97ba | 2013-09-09 22:15:25 | [diff] [blame] | 338 | for (size_t i = 0; i < arraysize(testcases); ++i) { |
| 339 | base::FilePath filepath(testcases[i].input); |
| 340 | string16 expected = UTF8ToUTF16(testcases[i].output); |
| 341 | expected = base::i18n::GetDisplayStringInLTRDirectionality(expected); |
[email protected] | c308798 | 2013-09-20 17:46:53 | [diff] [blame^] | 342 | int available_width = font.GetStringWidth(UTF8ToUTF16(testcases[i].output)); |
| 343 | #if defined(OS_MACOSX) |
| 344 | // Give one extra pixel to offset the ceiling width returned by |
| 345 | // GetStringWidth on Mac. This workaround will no longer be needed once |
| 346 | // the floating point width is adopted (http://crbug.com/288987). |
| 347 | available_width += 1; |
| 348 | #endif |
| 349 | EXPECT_EQ(expected, ElideFilename(filepath, font, available_width)); |
[email protected] | dbb97ba | 2013-09-09 22:15:25 | [diff] [blame] | 350 | } |
| 351 | } |
| 352 | |
| 353 | TEST(TextEliderTest, ElideTextTruncate) { |
| 354 | const gfx::Font font; |
| 355 | const int kTestWidth = font.GetStringWidth(ASCIIToUTF16("Test")); |
| 356 | struct TestData { |
| 357 | const char* input; |
| 358 | int width; |
| 359 | const char* output; |
| 360 | } cases[] = { |
| 361 | { "", 0, "" }, |
| 362 | { "Test", 0, "" }, |
| 363 | { "", kTestWidth, "" }, |
| 364 | { "Tes", kTestWidth, "Tes" }, |
| 365 | { "Test", kTestWidth, "Test" }, |
| 366 | { "Tests", kTestWidth, "Test" }, |
| 367 | }; |
| 368 | |
| 369 | for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) { |
| 370 | string16 result = ElideText(UTF8ToUTF16(cases[i].input), font, |
| 371 | cases[i].width, TRUNCATE_AT_END); |
| 372 | EXPECT_EQ(cases[i].output, UTF16ToUTF8(result)); |
| 373 | } |
| 374 | } |
| 375 | |
| 376 | TEST(TextEliderTest, ElideTextEllipsis) { |
| 377 | const gfx::Font font; |
| 378 | const int kTestWidth = font.GetStringWidth(ASCIIToUTF16("Test")); |
| 379 | const char* kEllipsis = "\xE2\x80\xA6"; |
| 380 | const int kEllipsisWidth = font.GetStringWidth(UTF8ToUTF16(kEllipsis)); |
| 381 | struct TestData { |
| 382 | const char* input; |
| 383 | int width; |
| 384 | const char* output; |
| 385 | } cases[] = { |
| 386 | { "", 0, "" }, |
| 387 | { "Test", 0, "" }, |
| 388 | { "Test", kEllipsisWidth, kEllipsis }, |
| 389 | { "", kTestWidth, "" }, |
| 390 | { "Tes", kTestWidth, "Tes" }, |
| 391 | { "Test", kTestWidth, "Test" }, |
| 392 | }; |
| 393 | |
| 394 | for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) { |
| 395 | string16 result = ElideText(UTF8ToUTF16(cases[i].input), font, |
| 396 | cases[i].width, ELIDE_AT_END); |
| 397 | EXPECT_EQ(cases[i].output, UTF16ToUTF8(result)); |
| 398 | } |
| 399 | } |
| 400 | |
| 401 | // Checks that all occurrences of |first_char| are followed by |second_char| and |
| 402 | // all occurrences of |second_char| are preceded by |first_char| in |text|. |
| 403 | static void CheckSurrogatePairs(const string16& text, |
| 404 | char16 first_char, |
| 405 | char16 second_char) { |
| 406 | size_t index = text.find_first_of(first_char); |
| 407 | while (index != string16::npos) { |
| 408 | EXPECT_LT(index, text.length() - 1); |
| 409 | EXPECT_EQ(second_char, text[index + 1]); |
| 410 | index = text.find_first_of(first_char, index + 1); |
| 411 | } |
| 412 | index = text.find_first_of(second_char); |
| 413 | while (index != string16::npos) { |
| 414 | EXPECT_GT(index, 0U); |
| 415 | EXPECT_EQ(first_char, text[index - 1]); |
| 416 | index = text.find_first_of(second_char, index + 1); |
| 417 | } |
| 418 | } |
| 419 | |
| 420 | TEST(TextEliderTest, ElideTextSurrogatePairs) { |
| 421 | const gfx::Font font; |
| 422 | // The below is 'MUSICAL SYMBOL G CLEF', which is represented in UTF-16 as |
| 423 | // two characters forming a surrogate pair 0x0001D11E. |
| 424 | const std::string kSurrogate = "\xF0\x9D\x84\x9E"; |
| 425 | const string16 kTestString = |
| 426 | UTF8ToUTF16(kSurrogate + "ab" + kSurrogate + kSurrogate + "cd"); |
| 427 | const int kTestStringWidth = font.GetStringWidth(kTestString); |
| 428 | const char16 kSurrogateFirstChar = kTestString[0]; |
| 429 | const char16 kSurrogateSecondChar = kTestString[1]; |
| 430 | string16 result; |
| 431 | |
| 432 | // Elide |kTextString| to all possible widths and check that no instance of |
| 433 | // |kSurrogate| was split in two. |
| 434 | for (int width = 0; width <= kTestStringWidth; width++) { |
| 435 | result = ElideText(kTestString, font, width, TRUNCATE_AT_END); |
| 436 | CheckSurrogatePairs(result, kSurrogateFirstChar, kSurrogateSecondChar); |
| 437 | |
| 438 | result = ElideText(kTestString, font, width, ELIDE_AT_END); |
| 439 | CheckSurrogatePairs(result, kSurrogateFirstChar, kSurrogateSecondChar); |
| 440 | |
| 441 | result = ElideText(kTestString, font, width, ELIDE_IN_MIDDLE); |
| 442 | CheckSurrogatePairs(result, kSurrogateFirstChar, kSurrogateSecondChar); |
| 443 | } |
| 444 | } |
| 445 | |
| 446 | TEST(TextEliderTest, ElideTextLongStrings) { |
| 447 | const string16 kEllipsisStr = UTF8ToUTF16(kEllipsis); |
| 448 | string16 data_scheme(UTF8ToUTF16("data:text/plain,")); |
| 449 | size_t data_scheme_length = data_scheme.length(); |
| 450 | |
| 451 | string16 ten_a(10, 'a'); |
| 452 | string16 hundred_a(100, 'a'); |
| 453 | string16 thousand_a(1000, 'a'); |
| 454 | string16 ten_thousand_a(10000, 'a'); |
| 455 | string16 hundred_thousand_a(100000, 'a'); |
| 456 | string16 million_a(1000000, 'a'); |
| 457 | |
| 458 | size_t number_of_as = 156; |
| 459 | string16 long_string_end( |
| 460 | data_scheme + string16(number_of_as, 'a') + kEllipsisStr); |
| 461 | UTF16Testcase testcases_end[] = { |
| 462 | {data_scheme + ten_a, data_scheme + ten_a}, |
| 463 | {data_scheme + hundred_a, data_scheme + hundred_a}, |
| 464 | {data_scheme + thousand_a, long_string_end}, |
| 465 | {data_scheme + ten_thousand_a, long_string_end}, |
| 466 | {data_scheme + hundred_thousand_a, long_string_end}, |
| 467 | {data_scheme + million_a, long_string_end}, |
| 468 | }; |
| 469 | |
| 470 | const gfx::Font font; |
| 471 | int ellipsis_width = font.GetStringWidth(kEllipsisStr); |
| 472 | for (size_t i = 0; i < arraysize(testcases_end); ++i) { |
| 473 | // Compare sizes rather than actual contents because if the test fails, |
| 474 | // output is rather long. |
| 475 | EXPECT_EQ(testcases_end[i].output.size(), |
| 476 | ElideText(testcases_end[i].input, font, |
| 477 | font.GetStringWidth(testcases_end[i].output), |
| 478 | ELIDE_AT_END).size()); |
| 479 | EXPECT_EQ(kEllipsisStr, |
| 480 | ElideText(testcases_end[i].input, font, ellipsis_width, |
| 481 | ELIDE_AT_END)); |
| 482 | } |
| 483 | |
| 484 | size_t number_of_trailing_as = (data_scheme_length + number_of_as) / 2; |
| 485 | string16 long_string_middle(data_scheme + |
| 486 | string16(number_of_as - number_of_trailing_as, 'a') + kEllipsisStr + |
| 487 | string16(number_of_trailing_as, 'a')); |
| 488 | UTF16Testcase testcases_middle[] = { |
| 489 | {data_scheme + ten_a, data_scheme + ten_a}, |
| 490 | {data_scheme + hundred_a, data_scheme + hundred_a}, |
| 491 | {data_scheme + thousand_a, long_string_middle}, |
| 492 | {data_scheme + ten_thousand_a, long_string_middle}, |
| 493 | {data_scheme + hundred_thousand_a, long_string_middle}, |
| 494 | {data_scheme + million_a, long_string_middle}, |
| 495 | }; |
| 496 | |
| 497 | for (size_t i = 0; i < arraysize(testcases_middle); ++i) { |
| 498 | // Compare sizes rather than actual contents because if the test fails, |
| 499 | // output is rather long. |
| 500 | EXPECT_EQ(testcases_middle[i].output.size(), |
| 501 | ElideText(testcases_middle[i].input, font, |
| 502 | font.GetStringWidth(testcases_middle[i].output), |
| 503 | ELIDE_AT_END).size()); |
| 504 | EXPECT_EQ(kEllipsisStr, |
| 505 | ElideText(testcases_middle[i].input, font, ellipsis_width, |
| 506 | ELIDE_AT_END)); |
| 507 | } |
| 508 | } |
| 509 | |
| 510 | // Verifies display_url is set correctly. |
| 511 | TEST(TextEliderTest, SortedDisplayURL) { |
| 512 | SortedDisplayURL d_url(GURL("http://www.google.com"), std::string()); |
| 513 | EXPECT_EQ("www.google.com", UTF16ToASCII(d_url.display_url())); |
| 514 | } |
| 515 | |
| 516 | // Verifies DisplayURL::Compare works correctly. |
| 517 | TEST(TextEliderTest, SortedDisplayURLCompare) { |
| 518 | UErrorCode create_status = U_ZERO_ERROR; |
| 519 | scoped_ptr<icu::Collator> collator( |
| 520 | icu::Collator::createInstance(create_status)); |
| 521 | if (!U_SUCCESS(create_status)) |
| 522 | return; |
| 523 | |
| 524 | TestData tests[] = { |
| 525 | // IDN comparison. Hosts equal, so compares on path. |
| 526 | { "http://xn--1lq90i.cn/a", "http://xn--1lq90i.cn/b", -1}, |
| 527 | |
| 528 | // Because the host and after host match, this compares the full url. |
| 529 | { "http://www.x/b", "http://x/b", -1 }, |
| 530 | |
| 531 | // Because the host and after host match, this compares the full url. |
| 532 | { "http://www.a:1/b", "http://a:1/b", 1 }, |
| 533 | |
| 534 | // The hosts match, so these end up comparing on the after host portion. |
| 535 | { "http://www.x:0/b", "http://x:1/b", -1 }, |
| 536 | { "http://www.x/a", "http://x/b", -1 }, |
| 537 | { "http://x/b", "http://www.x/a", 1 }, |
| 538 | |
| 539 | // Trivial Equality. |
| 540 | { "http://a/", "http://a/", 0 }, |
| 541 | |
| 542 | // Compares just hosts. |
| 543 | { "http://www.a/", "http://b/", -1 }, |
| 544 | }; |
| 545 | |
| 546 | for (size_t i = 0; i < arraysize(tests); ++i) { |
| 547 | SortedDisplayURL url1(GURL(tests[i].a), std::string()); |
| 548 | SortedDisplayURL url2(GURL(tests[i].b), std::string()); |
| 549 | EXPECT_EQ(tests[i].compare_result, url1.Compare(url2, collator.get())); |
| 550 | EXPECT_EQ(-tests[i].compare_result, url2.Compare(url1, collator.get())); |
| 551 | } |
| 552 | } |
| 553 | |
| 554 | TEST(TextEliderTest, ElideString) { |
| 555 | struct TestData { |
| 556 | const char* input; |
| 557 | int max_len; |
| 558 | bool result; |
| 559 | const char* output; |
| 560 | } cases[] = { |
| 561 | { "Hello", 0, true, "" }, |
| 562 | { "", 0, false, "" }, |
| 563 | { "Hello, my name is Tom", 1, true, "H" }, |
| 564 | { "Hello, my name is Tom", 2, true, "He" }, |
| 565 | { "Hello, my name is Tom", 3, true, "H.m" }, |
| 566 | { "Hello, my name is Tom", 4, true, "H..m" }, |
| 567 | { "Hello, my name is Tom", 5, true, "H...m" }, |
| 568 | { "Hello, my name is Tom", 6, true, "He...m" }, |
| 569 | { "Hello, my name is Tom", 7, true, "He...om" }, |
| 570 | { "Hello, my name is Tom", 10, true, "Hell...Tom" }, |
| 571 | { "Hello, my name is Tom", 100, false, "Hello, my name is Tom" } |
| 572 | }; |
| 573 | for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) { |
| 574 | string16 output; |
| 575 | EXPECT_EQ(cases[i].result, |
| 576 | ElideString(UTF8ToUTF16(cases[i].input), |
| 577 | cases[i].max_len, &output)); |
| 578 | EXPECT_EQ(cases[i].output, UTF16ToUTF8(output)); |
| 579 | } |
| 580 | } |
| 581 | |
| 582 | TEST(TextEliderTest, ElideRectangleText) { |
| 583 | const gfx::Font font; |
| 584 | const int line_height = font.GetHeight(); |
| 585 | const int test_width = font.GetStringWidth(ASCIIToUTF16("Test")); |
| 586 | |
| 587 | struct TestData { |
| 588 | const char* input; |
| 589 | int available_pixel_width; |
| 590 | int available_pixel_height; |
| 591 | bool truncated_y; |
| 592 | const char* output; |
| 593 | } cases[] = { |
| 594 | { "", 0, 0, false, NULL }, |
| 595 | { "", 1, 1, false, NULL }, |
| 596 | { "Test", test_width, 0, true, NULL }, |
| 597 | { "Test", test_width, 1, false, "Test" }, |
| 598 | { "Test", test_width, line_height, false, "Test" }, |
| 599 | { "Test Test", test_width, line_height, true, "Test" }, |
| 600 | { "Test Test", test_width, line_height + 1, false, "Test|Test" }, |
| 601 | { "Test Test", test_width, line_height * 2, false, "Test|Test" }, |
| 602 | { "Test Test", test_width, line_height * 3, false, "Test|Test" }, |
| 603 | { "Test Test", test_width * 2, line_height * 2, false, "Test|Test" }, |
| 604 | { "Test Test", test_width * 3, line_height, false, "Test Test" }, |
| 605 | { "Test\nTest", test_width * 3, line_height * 2, false, "Test|Test" }, |
| 606 | { "Te\nst Te", test_width, line_height * 3, false, "Te|st|Te" }, |
| 607 | { "\nTest", test_width, line_height * 2, false, "|Test" }, |
| 608 | { "\nTest", test_width, line_height, true, "" }, |
| 609 | { "\n\nTest", test_width, line_height * 3, false, "||Test" }, |
| 610 | { "\n\nTest", test_width, line_height * 2, true, "|" }, |
| 611 | { "Test\n", 2 * test_width, line_height * 5, false, "Test|" }, |
| 612 | { "Test\n\n", 2 * test_width, line_height * 5, false, "Test||" }, |
| 613 | { "Test\n\n\n", 2 * test_width, line_height * 5, false, "Test|||" }, |
| 614 | { "Test\nTest\n\n", 2 * test_width, line_height * 5, false, "Test|Test||" }, |
| 615 | { "Test\n\nTest\n", 2 * test_width, line_height * 5, false, "Test||Test|" }, |
| 616 | { "Test\n\n\nTest", 2 * test_width, line_height * 5, false, "Test|||Test" }, |
| 617 | { "Te ", test_width, line_height, false, "Te" }, |
| 618 | { "Te Te Test", test_width, 3 * line_height, false, "Te|Te|Test" }, |
| 619 | }; |
| 620 | |
| 621 | for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) { |
| 622 | std::vector<string16> lines; |
| 623 | EXPECT_EQ(cases[i].truncated_y ? INSUFFICIENT_SPACE_VERTICAL : 0, |
| 624 | ElideRectangleText(UTF8ToUTF16(cases[i].input), |
| 625 | font, |
| 626 | cases[i].available_pixel_width, |
| 627 | cases[i].available_pixel_height, |
| 628 | TRUNCATE_LONG_WORDS, |
| 629 | &lines)); |
| 630 | if (cases[i].output) { |
| 631 | const std::string result = UTF16ToUTF8(JoinString(lines, '|')); |
| 632 | EXPECT_EQ(cases[i].output, result) << "Case " << i << " failed!"; |
| 633 | } else { |
| 634 | EXPECT_TRUE(lines.empty()) << "Case " << i << " failed!"; |
| 635 | } |
| 636 | } |
| 637 | } |
| 638 | |
| 639 | TEST(TextEliderTest, ElideRectangleTextPunctuation) { |
| 640 | const gfx::Font font; |
| 641 | const int line_height = font.GetHeight(); |
| 642 | const int test_width = font.GetStringWidth(ASCIIToUTF16("Test")); |
| 643 | const int test_t_width = font.GetStringWidth(ASCIIToUTF16("Test T")); |
| 644 | |
| 645 | struct TestData { |
| 646 | const char* input; |
| 647 | int available_pixel_width; |
| 648 | int available_pixel_height; |
| 649 | bool wrap_words; |
| 650 | bool truncated_x; |
| 651 | const char* output; |
| 652 | } cases[] = { |
| 653 | { "Test T.", test_t_width, line_height * 2, false, false, "Test|T." }, |
| 654 | { "Test T ?", test_t_width, line_height * 2, false, false, "Test|T ?" }, |
| 655 | { "Test. Test", test_width, line_height * 3, false, true, "Test|Test" }, |
| 656 | { "Test. Test", test_width, line_height * 3, true, false, "Test|.|Test" }, |
| 657 | }; |
| 658 | |
| 659 | for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) { |
| 660 | std::vector<string16> lines; |
| 661 | const WordWrapBehavior wrap_behavior = |
| 662 | (cases[i].wrap_words ? WRAP_LONG_WORDS : TRUNCATE_LONG_WORDS); |
| 663 | EXPECT_EQ(cases[i].truncated_x ? INSUFFICIENT_SPACE_HORIZONTAL : 0, |
| 664 | ElideRectangleText(UTF8ToUTF16(cases[i].input), |
| 665 | font, |
| 666 | cases[i].available_pixel_width, |
| 667 | cases[i].available_pixel_height, |
| 668 | wrap_behavior, |
| 669 | &lines)); |
| 670 | if (cases[i].output) { |
| 671 | const std::string result = UTF16ToUTF8(JoinString(lines, '|')); |
| 672 | EXPECT_EQ(cases[i].output, result) << "Case " << i << " failed!"; |
| 673 | } else { |
| 674 | EXPECT_TRUE(lines.empty()) << "Case " << i << " failed!"; |
| 675 | } |
| 676 | } |
| 677 | } |
| 678 | |
| 679 | TEST(TextEliderTest, ElideRectangleTextLongWords) { |
| 680 | const gfx::Font font; |
| 681 | const int kAvailableHeight = 1000; |
| 682 | const string16 kElidedTesting = UTF8ToUTF16(std::string("Tes") + kEllipsis); |
| 683 | const int elided_width = font.GetStringWidth(kElidedTesting); |
| 684 | const int test_width = font.GetStringWidth(ASCIIToUTF16("Test")); |
| 685 | |
| 686 | struct TestData { |
| 687 | const char* input; |
| 688 | int available_pixel_width; |
| 689 | WordWrapBehavior wrap_behavior; |
| 690 | bool truncated_x; |
| 691 | const char* output; |
| 692 | } cases[] = { |
| 693 | { "Testing", test_width, IGNORE_LONG_WORDS, false, "Testing" }, |
| 694 | { "X Testing", test_width, IGNORE_LONG_WORDS, false, "X|Testing" }, |
| 695 | { "Test Testing", test_width, IGNORE_LONG_WORDS, false, "Test|Testing" }, |
| 696 | { "Test\nTesting", test_width, IGNORE_LONG_WORDS, false, "Test|Testing" }, |
| 697 | { "Test Tests ", test_width, IGNORE_LONG_WORDS, false, "Test|Tests" }, |
| 698 | { "Test Tests T", test_width, IGNORE_LONG_WORDS, false, "Test|Tests|T" }, |
| 699 | |
| 700 | { "Testing", elided_width, ELIDE_LONG_WORDS, true, "Tes..." }, |
| 701 | { "X Testing", elided_width, ELIDE_LONG_WORDS, true, "X|Tes..." }, |
| 702 | { "Test Testing", elided_width, ELIDE_LONG_WORDS, true, "Test|Tes..." }, |
| 703 | { "Test\nTesting", elided_width, ELIDE_LONG_WORDS, true, "Test|Tes..." }, |
| 704 | |
| 705 | { "Testing", test_width, TRUNCATE_LONG_WORDS, true, "Test" }, |
| 706 | { "X Testing", test_width, TRUNCATE_LONG_WORDS, true, "X|Test" }, |
| 707 | { "Test Testing", test_width, TRUNCATE_LONG_WORDS, true, "Test|Test" }, |
| 708 | { "Test\nTesting", test_width, TRUNCATE_LONG_WORDS, true, "Test|Test" }, |
| 709 | { "Test Tests ", test_width, TRUNCATE_LONG_WORDS, true, "Test|Test" }, |
| 710 | { "Test Tests T", test_width, TRUNCATE_LONG_WORDS, true, "Test|Test|T" }, |
| 711 | |
| 712 | { "Testing", test_width, WRAP_LONG_WORDS, false, "Test|ing" }, |
| 713 | { "X Testing", test_width, WRAP_LONG_WORDS, false, "X|Test|ing" }, |
| 714 | { "Test Testing", test_width, WRAP_LONG_WORDS, false, "Test|Test|ing" }, |
| 715 | { "Test\nTesting", test_width, WRAP_LONG_WORDS, false, "Test|Test|ing" }, |
| 716 | { "Test Tests ", test_width, WRAP_LONG_WORDS, false, "Test|Test|s" }, |
| 717 | { "Test Tests T", test_width, WRAP_LONG_WORDS, false, "Test|Test|s T" }, |
| 718 | { "TestTestTest", test_width, WRAP_LONG_WORDS, false, "Test|Test|Test" }, |
| 719 | { "TestTestTestT", test_width, WRAP_LONG_WORDS, false, "Test|Test|Test|T" }, |
| 720 | }; |
| 721 | |
| 722 | for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) { |
| 723 | std::vector<string16> lines; |
| 724 | EXPECT_EQ(cases[i].truncated_x ? INSUFFICIENT_SPACE_HORIZONTAL : 0, |
| 725 | ElideRectangleText(UTF8ToUTF16(cases[i].input), |
| 726 | font, |
| 727 | cases[i].available_pixel_width, |
| 728 | kAvailableHeight, |
| 729 | cases[i].wrap_behavior, |
| 730 | &lines)); |
| 731 | std::string expected_output(cases[i].output); |
| 732 | ReplaceSubstringsAfterOffset(&expected_output, 0, "...", kEllipsis); |
| 733 | const std::string result = UTF16ToUTF8(JoinString(lines, '|')); |
| 734 | EXPECT_EQ(expected_output, result) << "Case " << i << " failed!"; |
| 735 | } |
| 736 | } |
| 737 | |
[email protected] | c308798 | 2013-09-20 17:46:53 | [diff] [blame^] | 738 | // TODO(ios): Complex eliding is off by one for some of those tests on iOS. |
| 739 | // See crbug.com/154019 |
| 740 | #if defined(OS_IOS) |
| 741 | #define MAYBE_ElideRectangleTextCheckLineWidth \ |
| 742 | DISABLED_ElideRectangleTextCheckLineWidth |
| 743 | #else |
| 744 | #define MAYBE_ElideRectangleTextCheckLineWidth ElideRectangleTextCheckLineWidth |
| 745 | #endif |
| 746 | |
| 747 | // This test is to make sure that the width of each wrapped line does not |
| 748 | // exceed the available width. On some platform like Mac, this test used to |
| 749 | // fail because the truncated integer width is returned for the string |
| 750 | // and the accumulation of the truncated values causes the elide function |
| 751 | // to wrap incorrectly. |
| 752 | TEST(TextEliderTest, MAYBE_ElideRectangleTextCheckLineWidth) { |
| 753 | gfx::Font font = GetTestingFont(); |
| 754 | const int kAvailableWidth = 235; |
| 755 | const int kAvailableHeight = 1000; |
| 756 | const char text[] = "that Russian place we used to go to after fencing"; |
| 757 | std::vector<string16> lines; |
| 758 | EXPECT_EQ(0, ElideRectangleText(UTF8ToUTF16(text), |
| 759 | font, |
| 760 | kAvailableWidth, |
| 761 | kAvailableHeight, |
| 762 | WRAP_LONG_WORDS, |
| 763 | &lines)); |
| 764 | ASSERT_EQ(2u, lines.size()); |
| 765 | EXPECT_LE(font.GetStringWidth(lines[0]), kAvailableWidth); |
| 766 | EXPECT_LE(font.GetStringWidth(lines[1]), kAvailableWidth); |
| 767 | } |
| 768 | |
[email protected] | dbb97ba | 2013-09-09 22:15:25 | [diff] [blame] | 769 | TEST(TextEliderTest, ElideRectangleString) { |
| 770 | struct TestData { |
| 771 | const char* input; |
| 772 | int max_rows; |
| 773 | int max_cols; |
| 774 | bool result; |
| 775 | const char* output; |
| 776 | } cases[] = { |
| 777 | { "", 0, 0, false, "" }, |
| 778 | { "", 1, 1, false, "" }, |
| 779 | { "Hi, my name is\nTom", 0, 0, true, "..." }, |
| 780 | { "Hi, my name is\nTom", 1, 0, true, "\n..." }, |
| 781 | { "Hi, my name is\nTom", 0, 1, true, "..." }, |
| 782 | { "Hi, my name is\nTom", 1, 1, true, "H\n..." }, |
| 783 | { "Hi, my name is\nTom", 2, 1, true, "H\ni\n..." }, |
| 784 | { "Hi, my name is\nTom", 3, 1, true, "H\ni\n,\n..." }, |
| 785 | { "Hi, my name is\nTom", 4, 1, true, "H\ni\n,\n \n..." }, |
| 786 | { "Hi, my name is\nTom", 5, 1, true, "H\ni\n,\n \nm\n..." }, |
| 787 | { "Hi, my name is\nTom", 0, 2, true, "..." }, |
| 788 | { "Hi, my name is\nTom", 1, 2, true, "Hi\n..." }, |
| 789 | { "Hi, my name is\nTom", 2, 2, true, "Hi\n, \n..." }, |
| 790 | { "Hi, my name is\nTom", 3, 2, true, "Hi\n, \nmy\n..." }, |
| 791 | { "Hi, my name is\nTom", 4, 2, true, "Hi\n, \nmy\n n\n..." }, |
| 792 | { "Hi, my name is\nTom", 5, 2, true, "Hi\n, \nmy\n n\nam\n..." }, |
| 793 | { "Hi, my name is\nTom", 0, 3, true, "..." }, |
| 794 | { "Hi, my name is\nTom", 1, 3, true, "Hi,\n..." }, |
| 795 | { "Hi, my name is\nTom", 2, 3, true, "Hi,\n my\n..." }, |
| 796 | { "Hi, my name is\nTom", 3, 3, true, "Hi,\n my\n na\n..." }, |
| 797 | { "Hi, my name is\nTom", 4, 3, true, "Hi,\n my\n na\nme \n..." }, |
| 798 | { "Hi, my name is\nTom", 5, 3, true, "Hi,\n my\n na\nme \nis\n..." }, |
| 799 | { "Hi, my name is\nTom", 1, 4, true, "Hi, \n..." }, |
| 800 | { "Hi, my name is\nTom", 2, 4, true, "Hi, \nmy n\n..." }, |
| 801 | { "Hi, my name is\nTom", 3, 4, true, "Hi, \nmy n\name \n..." }, |
| 802 | { "Hi, my name is\nTom", 4, 4, true, "Hi, \nmy n\name \nis\n..." }, |
| 803 | { "Hi, my name is\nTom", 5, 4, false, "Hi, \nmy n\name \nis\nTom" }, |
| 804 | { "Hi, my name is\nTom", 1, 5, true, "Hi, \n..." }, |
| 805 | { "Hi, my name is\nTom", 2, 5, true, "Hi, \nmy na\n..." }, |
| 806 | { "Hi, my name is\nTom", 3, 5, true, "Hi, \nmy na\nme \n..." }, |
| 807 | { "Hi, my name is\nTom", 4, 5, true, "Hi, \nmy na\nme \nis\n..." }, |
| 808 | { "Hi, my name is\nTom", 5, 5, false, "Hi, \nmy na\nme \nis\nTom" }, |
| 809 | { "Hi, my name is\nTom", 1, 6, true, "Hi, \n..." }, |
| 810 | { "Hi, my name is\nTom", 2, 6, true, "Hi, \nmy \n..." }, |
| 811 | { "Hi, my name is\nTom", 3, 6, true, "Hi, \nmy \nname \n..." }, |
| 812 | { "Hi, my name is\nTom", 4, 6, true, "Hi, \nmy \nname \nis\n..." }, |
| 813 | { "Hi, my name is\nTom", 5, 6, false, "Hi, \nmy \nname \nis\nTom" }, |
| 814 | { "Hi, my name is\nTom", 1, 7, true, "Hi, \n..." }, |
| 815 | { "Hi, my name is\nTom", 2, 7, true, "Hi, \nmy \n..." }, |
| 816 | { "Hi, my name is\nTom", 3, 7, true, "Hi, \nmy \nname \n..." }, |
| 817 | { "Hi, my name is\nTom", 4, 7, true, "Hi, \nmy \nname \nis\n..." }, |
| 818 | { "Hi, my name is\nTom", 5, 7, false, "Hi, \nmy \nname \nis\nTom" }, |
| 819 | { "Hi, my name is\nTom", 1, 8, true, "Hi, my \n..." }, |
| 820 | { "Hi, my name is\nTom", 2, 8, true, "Hi, my \nname \n..." }, |
| 821 | { "Hi, my name is\nTom", 3, 8, true, "Hi, my \nname \nis\n..." }, |
| 822 | { "Hi, my name is\nTom", 4, 8, false, "Hi, my \nname \nis\nTom" }, |
| 823 | { "Hi, my name is\nTom", 1, 9, true, "Hi, my \n..." }, |
| 824 | { "Hi, my name is\nTom", 2, 9, true, "Hi, my \nname is\n..." }, |
| 825 | { "Hi, my name is\nTom", 3, 9, false, "Hi, my \nname is\nTom" }, |
| 826 | { "Hi, my name is\nTom", 1, 10, true, "Hi, my \n..." }, |
| 827 | { "Hi, my name is\nTom", 2, 10, true, "Hi, my \nname is\n..." }, |
| 828 | { "Hi, my name is\nTom", 3, 10, false, "Hi, my \nname is\nTom" }, |
| 829 | { "Hi, my name is\nTom", 1, 11, true, "Hi, my \n..." }, |
| 830 | { "Hi, my name is\nTom", 2, 11, true, "Hi, my \nname is\n..." }, |
| 831 | { "Hi, my name is\nTom", 3, 11, false, "Hi, my \nname is\nTom" }, |
| 832 | { "Hi, my name is\nTom", 1, 12, true, "Hi, my \n..." }, |
| 833 | { "Hi, my name is\nTom", 2, 12, true, "Hi, my \nname is\n..." }, |
| 834 | { "Hi, my name is\nTom", 3, 12, false, "Hi, my \nname is\nTom" }, |
| 835 | { "Hi, my name is\nTom", 1, 13, true, "Hi, my name \n..." }, |
| 836 | { "Hi, my name is\nTom", 2, 13, true, "Hi, my name \nis\n..." }, |
| 837 | { "Hi, my name is\nTom", 3, 13, false, "Hi, my name \nis\nTom" }, |
| 838 | { "Hi, my name is\nTom", 1, 20, true, "Hi, my name is\n..." }, |
| 839 | { "Hi, my name is\nTom", 2, 20, false, "Hi, my name is\nTom" }, |
| 840 | { "Hi, my name is Tom", 1, 40, false, "Hi, my name is Tom" }, |
| 841 | }; |
| 842 | string16 output; |
| 843 | for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) { |
| 844 | EXPECT_EQ(cases[i].result, |
| 845 | ElideRectangleString(UTF8ToUTF16(cases[i].input), |
| 846 | cases[i].max_rows, cases[i].max_cols, |
| 847 | true, &output)); |
| 848 | EXPECT_EQ(cases[i].output, UTF16ToUTF8(output)); |
| 849 | } |
| 850 | } |
| 851 | |
| 852 | TEST(TextEliderTest, ElideRectangleStringNotStrict) { |
| 853 | struct TestData { |
| 854 | const char* input; |
| 855 | int max_rows; |
| 856 | int max_cols; |
| 857 | bool result; |
| 858 | const char* output; |
| 859 | } cases[] = { |
| 860 | { "", 0, 0, false, "" }, |
| 861 | { "", 1, 1, false, "" }, |
| 862 | { "Hi, my name_is\nDick", 0, 0, true, "..." }, |
| 863 | { "Hi, my name_is\nDick", 1, 0, true, "\n..." }, |
| 864 | { "Hi, my name_is\nDick", 0, 1, true, "..." }, |
| 865 | { "Hi, my name_is\nDick", 1, 1, true, "H\n..." }, |
| 866 | { "Hi, my name_is\nDick", 2, 1, true, "H\ni\n..." }, |
| 867 | { "Hi, my name_is\nDick", 3, 1, true, "H\ni\n,\n..." }, |
| 868 | { "Hi, my name_is\nDick", 4, 1, true, "H\ni\n,\n \n..." }, |
| 869 | { "Hi, my name_is\nDick", 5, 1, true, "H\ni\n,\n \nm\n..." }, |
| 870 | { "Hi, my name_is\nDick", 0, 2, true, "..." }, |
| 871 | { "Hi, my name_is\nDick", 1, 2, true, "Hi\n..." }, |
| 872 | { "Hi, my name_is\nDick", 2, 2, true, "Hi\n, \n..." }, |
| 873 | { "Hi, my name_is\nDick", 3, 2, true, "Hi\n, \nmy\n..." }, |
| 874 | { "Hi, my name_is\nDick", 4, 2, true, "Hi\n, \nmy\n n\n..." }, |
| 875 | { "Hi, my name_is\nDick", 5, 2, true, "Hi\n, \nmy\n n\nam\n..." }, |
| 876 | { "Hi, my name_is\nDick", 0, 3, true, "..." }, |
| 877 | { "Hi, my name_is\nDick", 1, 3, true, "Hi,\n..." }, |
| 878 | { "Hi, my name_is\nDick", 2, 3, true, "Hi,\n my\n..." }, |
| 879 | { "Hi, my name_is\nDick", 3, 3, true, "Hi,\n my\n na\n..." }, |
| 880 | { "Hi, my name_is\nDick", 4, 3, true, "Hi,\n my\n na\nme_\n..." }, |
| 881 | { "Hi, my name_is\nDick", 5, 3, true, "Hi,\n my\n na\nme_\nis\n..." }, |
| 882 | { "Hi, my name_is\nDick", 1, 4, true, "Hi, ..." }, |
| 883 | { "Hi, my name_is\nDick", 2, 4, true, "Hi, my n\n..." }, |
| 884 | { "Hi, my name_is\nDick", 3, 4, true, "Hi, my n\name_\n..." }, |
| 885 | { "Hi, my name_is\nDick", 4, 4, true, "Hi, my n\name_\nis\n..." }, |
| 886 | { "Hi, my name_is\nDick", 5, 4, false, "Hi, my n\name_\nis\nDick" }, |
| 887 | { "Hi, my name_is\nDick", 1, 5, true, "Hi, ..." }, |
| 888 | { "Hi, my name_is\nDick", 2, 5, true, "Hi, my na\n..." }, |
| 889 | { "Hi, my name_is\nDick", 3, 5, true, "Hi, my na\nme_is\n..." }, |
| 890 | { "Hi, my name_is\nDick", 4, 5, true, "Hi, my na\nme_is\n\n..." }, |
| 891 | { "Hi, my name_is\nDick", 5, 5, false, "Hi, my na\nme_is\n\nDick" }, |
| 892 | { "Hi, my name_is\nDick", 1, 6, true, "Hi, ..." }, |
| 893 | { "Hi, my name_is\nDick", 2, 6, true, "Hi, my nam\n..." }, |
| 894 | { "Hi, my name_is\nDick", 3, 6, true, "Hi, my nam\ne_is\n..." }, |
| 895 | { "Hi, my name_is\nDick", 4, 6, false, "Hi, my nam\ne_is\nDick" }, |
| 896 | { "Hi, my name_is\nDick", 5, 6, false, "Hi, my nam\ne_is\nDick" }, |
| 897 | { "Hi, my name_is\nDick", 1, 7, true, "Hi, ..." }, |
| 898 | { "Hi, my name_is\nDick", 2, 7, true, "Hi, my name\n..." }, |
| 899 | { "Hi, my name_is\nDick", 3, 7, true, "Hi, my name\n_is\n..." }, |
| 900 | { "Hi, my name_is\nDick", 4, 7, false, "Hi, my name\n_is\nDick" }, |
| 901 | { "Hi, my name_is\nDick", 5, 7, false, "Hi, my name\n_is\nDick" }, |
| 902 | { "Hi, my name_is\nDick", 1, 8, true, "Hi, my n\n..." }, |
| 903 | { "Hi, my name_is\nDick", 2, 8, true, "Hi, my n\name_is\n..." }, |
| 904 | { "Hi, my name_is\nDick", 3, 8, false, "Hi, my n\name_is\nDick" }, |
| 905 | { "Hi, my name_is\nDick", 1, 9, true, "Hi, my ..." }, |
| 906 | { "Hi, my name_is\nDick", 2, 9, true, "Hi, my name_is\n..." }, |
| 907 | { "Hi, my name_is\nDick", 3, 9, false, "Hi, my name_is\nDick" }, |
| 908 | { "Hi, my name_is\nDick", 1, 10, true, "Hi, my ..." }, |
| 909 | { "Hi, my name_is\nDick", 2, 10, true, "Hi, my name_is\n..." }, |
| 910 | { "Hi, my name_is\nDick", 3, 10, false, "Hi, my name_is\nDick" }, |
| 911 | { "Hi, my name_is\nDick", 1, 11, true, "Hi, my ..." }, |
| 912 | { "Hi, my name_is\nDick", 2, 11, true, "Hi, my name_is\n..." }, |
| 913 | { "Hi, my name_is\nDick", 3, 11, false, "Hi, my name_is\nDick" }, |
| 914 | { "Hi, my name_is\nDick", 1, 12, true, "Hi, my ..." }, |
| 915 | { "Hi, my name_is\nDick", 2, 12, true, "Hi, my name_is\n..." }, |
| 916 | { "Hi, my name_is\nDick", 3, 12, false, "Hi, my name_is\nDick" }, |
| 917 | { "Hi, my name_is\nDick", 1, 13, true, "Hi, my ..." }, |
| 918 | { "Hi, my name_is\nDick", 2, 13, true, "Hi, my name_is\n..." }, |
| 919 | { "Hi, my name_is\nDick", 3, 13, false, "Hi, my name_is\nDick" }, |
| 920 | { "Hi, my name_is\nDick", 1, 20, true, "Hi, my name_is\n..." }, |
| 921 | { "Hi, my name_is\nDick", 2, 20, false, "Hi, my name_is\nDick" }, |
| 922 | { "Hi, my name_is Dick", 1, 40, false, "Hi, my name_is Dick" }, |
| 923 | }; |
| 924 | string16 output; |
| 925 | for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) { |
| 926 | EXPECT_EQ(cases[i].result, |
| 927 | ElideRectangleString(UTF8ToUTF16(cases[i].input), |
| 928 | cases[i].max_rows, cases[i].max_cols, |
| 929 | false, &output)); |
| 930 | EXPECT_EQ(cases[i].output, UTF16ToUTF8(output)); |
| 931 | } |
| 932 | } |
| 933 | |
| 934 | TEST(TextEliderTest, ElideRectangleWide16) { |
| 935 | // Two greek words separated by space. |
| 936 | const string16 str(WideToUTF16( |
| 937 | L"\x03a0\x03b1\x03b3\x03ba\x03cc\x03c3\x03bc\x03b9" |
| 938 | L"\x03bf\x03c2\x0020\x0399\x03c3\x03c4\x03cc\x03c2")); |
| 939 | const string16 out1(WideToUTF16( |
| 940 | L"\x03a0\x03b1\x03b3\x03ba\n" |
| 941 | L"\x03cc\x03c3\x03bc\x03b9\n" |
| 942 | L"...")); |
| 943 | const string16 out2(WideToUTF16( |
| 944 | L"\x03a0\x03b1\x03b3\x03ba\x03cc\x03c3\x03bc\x03b9\x03bf\x03c2\x0020\n" |
| 945 | L"\x0399\x03c3\x03c4\x03cc\x03c2")); |
| 946 | string16 output; |
| 947 | EXPECT_TRUE(ElideRectangleString(str, 2, 4, true, &output)); |
| 948 | EXPECT_EQ(out1, output); |
| 949 | EXPECT_FALSE(ElideRectangleString(str, 2, 12, true, &output)); |
| 950 | EXPECT_EQ(out2, output); |
| 951 | } |
| 952 | |
| 953 | TEST(TextEliderTest, ElideRectangleWide32) { |
| 954 | // Four U+1D49C MATHEMATICAL SCRIPT CAPITAL A followed by space "aaaaa". |
| 955 | const string16 str(UTF8ToUTF16( |
| 956 | "\xF0\x9D\x92\x9C\xF0\x9D\x92\x9C\xF0\x9D\x92\x9C\xF0\x9D\x92\x9C" |
| 957 | " aaaaa")); |
| 958 | const string16 out(UTF8ToUTF16( |
| 959 | "\xF0\x9D\x92\x9C\xF0\x9D\x92\x9C\xF0\x9D\x92\x9C\n" |
| 960 | "\xF0\x9D\x92\x9C \naaa\n...")); |
| 961 | string16 output; |
| 962 | EXPECT_TRUE(ElideRectangleString(str, 3, 3, true, &output)); |
| 963 | EXPECT_EQ(out, output); |
| 964 | } |
| 965 | |
| 966 | TEST(TextEliderTest, TruncateString) { |
| 967 | string16 string = ASCIIToUTF16("foooooey bxxxar baz"); |
| 968 | |
| 969 | // Make sure it doesn't modify the string if length > string length. |
| 970 | EXPECT_EQ(string, TruncateString(string, 100)); |
| 971 | |
| 972 | // Test no characters. |
| 973 | EXPECT_EQ(L"", UTF16ToWide(TruncateString(string, 0))); |
| 974 | |
| 975 | // Test 1 character. |
| 976 | EXPECT_EQ(L"\x2026", UTF16ToWide(TruncateString(string, 1))); |
| 977 | |
| 978 | // Test adds ... at right spot when there is enough room to break at a |
| 979 | // word boundary. |
| 980 | EXPECT_EQ(L"foooooey\x2026", UTF16ToWide(TruncateString(string, 14))); |
| 981 | |
| 982 | // Test adds ... at right spot when there is not enough space in first word. |
| 983 | EXPECT_EQ(L"f\x2026", UTF16ToWide(TruncateString(string, 2))); |
| 984 | |
| 985 | // Test adds ... at right spot when there is not enough room to break at a |
| 986 | // word boundary. |
| 987 | EXPECT_EQ(L"foooooey\x2026", UTF16ToWide(TruncateString(string, 11))); |
| 988 | |
| 989 | // Test completely truncates string if break is on initial whitespace. |
| 990 | EXPECT_EQ(L"\x2026", UTF16ToWide(TruncateString(ASCIIToUTF16(" "), 2))); |
| 991 | } |
| 992 | |
| 993 | } // namespace gfx |