Torne (Richard Coles) | 58537e2 | 2013-09-12 12:10:22 +0100 | [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" |
Torne (Richard Coles) | 4e180b6 | 2013-10-18 15:46:22 +0100 | [diff] [blame^] | 16 | #include "ui/gfx/font_list.h" |
| 17 | #include "ui/gfx/text_utils.h" |
Torne (Richard Coles) | 58537e2 | 2013-09-12 12:10:22 +0100 | [diff] [blame] | 18 | #include "url/gurl.h" |
| 19 | |
| 20 | namespace gfx { |
| 21 | |
| 22 | namespace { |
| 23 | |
| 24 | struct Testcase { |
| 25 | const std::string input; |
| 26 | const std::string output; |
| 27 | }; |
| 28 | |
| 29 | struct FileTestcase { |
| 30 | const base::FilePath::StringType input; |
| 31 | const std::string output; |
| 32 | }; |
| 33 | |
| 34 | struct UTF16Testcase { |
| 35 | const string16 input; |
| 36 | const string16 output; |
| 37 | }; |
| 38 | |
| 39 | struct TestData { |
| 40 | const std::string a; |
| 41 | const std::string b; |
| 42 | const int compare_result; |
| 43 | }; |
| 44 | |
| 45 | void RunUrlTest(Testcase* testcases, size_t num_testcases) { |
Torne (Richard Coles) | 4e180b6 | 2013-10-18 15:46:22 +0100 | [diff] [blame^] | 46 | static const FontList font_list; |
Torne (Richard Coles) | 58537e2 | 2013-09-12 12:10:22 +0100 | [diff] [blame] | 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. |
Torne (Richard Coles) | 4e180b6 | 2013-10-18 15:46:22 +0100 | [diff] [blame^] | 51 | const float available_width = |
| 52 | GetStringWidthF(UTF8ToUTF16(testcases[i].output), font_list); |
Torne (Richard Coles) | 58537e2 | 2013-09-12 12:10:22 +0100 | [diff] [blame] | 53 | EXPECT_EQ(UTF8ToUTF16(testcases[i].output), |
Torne (Richard Coles) | 4e180b6 | 2013-10-18 15:46:22 +0100 | [diff] [blame^] | 54 | ElideUrl(url, font_list, available_width, std::string())); |
Torne (Richard Coles) | 58537e2 | 2013-09-12 12:10:22 +0100 | [diff] [blame] | 55 | } |
| 56 | } |
| 57 | |
| 58 | } // namespace |
| 59 | |
Torne (Richard Coles) | 4e180b6 | 2013-10-18 15:46:22 +0100 | [diff] [blame^] | 60 | // TODO(ios): This test fails on iOS because iOS version of GetStringWidthF |
| 61 | // that calls [NSString sizeWithFont] returns the rounded string width. |
Torne (Richard Coles) | 58537e2 | 2013-09-12 12:10:22 +0100 | [diff] [blame] | 62 | #if defined(OS_IOS) |
| 63 | #define MAYBE_ElideEmail DISABLED_ElideEmail |
| 64 | #else |
| 65 | #define MAYBE_ElideEmail ElideEmail |
| 66 | #endif |
| 67 | TEST(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 | |
Torne (Richard Coles) | 4e180b6 | 2013-10-18 15:46:22 +0100 | [diff] [blame^] | 112 | const FontList font_list; |
Torne (Richard Coles) | 58537e2 | 2013-09-12 12:10:22 +0100 | [diff] [blame] | 113 | for (size_t i = 0; i < arraysize(testcases); ++i) { |
| 114 | const string16 expected_output = UTF8ToUTF16(testcases[i].output); |
| 115 | EXPECT_EQ(expected_output, |
Torne (Richard Coles) | 4e180b6 | 2013-10-18 15:46:22 +0100 | [diff] [blame^] | 116 | ElideEmail( |
| 117 | UTF8ToUTF16(testcases[i].input), |
| 118 | font_list, |
| 119 | GetStringWidthF(expected_output, font_list))); |
Torne (Richard Coles) | 58537e2 | 2013-09-12 12:10:22 +0100 | [diff] [blame] | 120 | } |
| 121 | } |
| 122 | |
| 123 | TEST(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 | |
Torne (Richard Coles) | 4e180b6 | 2013-10-18 15:46:22 +0100 | [diff] [blame^] | 136 | const Font font; |
Torne (Richard Coles) | 58537e2 | 2013-09-12 12:10:22 +0100 | [diff] [blame] | 137 | for (size_t i = 0; i < arraysize(test_width_factors); ++i) { |
| 138 | const int test_width = test_width_factors[i] * |
| 139 | font.GetAverageCharacterWidth(); |
| 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, test_width)); |
| 144 | } |
| 145 | } |
| 146 | } |
| 147 | |
| 148 | // Test eliding of commonplace URLs. |
| 149 | TEST(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. |
| 178 | TEST(TextEliderTest, TestTrailingEllipsisSlashEllipsisHack) { |
| 179 | const std::string kEllipsisStr(kEllipsis); |
| 180 | |
| 181 | // Very little space, would cause double ellipsis. |
Torne (Richard Coles) | 4e180b6 | 2013-10-18 15:46:22 +0100 | [diff] [blame^] | 182 | FontList font_list; |
Torne (Richard Coles) | 58537e2 | 2013-09-12 12:10:22 +0100 | [diff] [blame] | 183 | GURL url("http://battersbox.com/directory/foo/peter_paul_and_mary.html"); |
Torne (Richard Coles) | 4e180b6 | 2013-10-18 15:46:22 +0100 | [diff] [blame^] | 184 | float available_width = GetStringWidthF( |
| 185 | UTF8ToUTF16("battersbox.com/" + kEllipsisStr + "/" + kEllipsisStr), |
| 186 | font_list); |
Torne (Richard Coles) | 58537e2 | 2013-09-12 12:10:22 +0100 | [diff] [blame] | 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). |
Torne (Richard Coles) | 4e180b6 | 2013-10-18 15:46:22 +0100 | [diff] [blame^] | 192 | ASSERT_GT(GetStringWidthF(UTF8ToUTF16(kEllipsisStr + "/" + kEllipsisStr), |
| 193 | font_list), |
| 194 | GetStringWidthF(UTF8ToUTF16("d" + kEllipsisStr), font_list)); |
Torne (Richard Coles) | 58537e2 | 2013-09-12 12:10:22 +0100 | [diff] [blame] | 195 | GURL long_url("http://battersbox.com/directorynameisreallylongtoforcetrunc"); |
Torne (Richard Coles) | 4e180b6 | 2013-10-18 15:46:22 +0100 | [diff] [blame^] | 196 | string16 expected = |
| 197 | ElideUrl(long_url, font_list, available_width, std::string()); |
Torne (Richard Coles) | 58537e2 | 2013-09-12 12:10:22 +0100 | [diff] [blame] | 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, |
Torne (Richard Coles) | 4e180b6 | 2013-10-18 15:46:22 +0100 | [diff] [blame^] | 201 | ElideUrl(url, font_list, available_width, std::string())); |
Torne (Richard Coles) | 58537e2 | 2013-09-12 12:10:22 +0100 | [diff] [blame] | 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. |
| 212 | TEST(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. |
| 250 | TEST(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 | |
Torne (Richard Coles) | 4e180b6 | 2013-10-18 15:46:22 +0100 | [diff] [blame^] | 274 | // TODO(ios): This test fails on iOS because iOS version of GetStringWidthF |
| 275 | // that calls [NSString sizeWithFont] returns the rounded string width. |
Torne (Richard Coles) | 58537e2 | 2013-09-12 12:10:22 +0100 | [diff] [blame] | 276 | #if defined(OS_IOS) |
| 277 | #define MAYBE_TestFilenameEliding DISABLED_TestFilenameEliding |
| 278 | #else |
| 279 | #define MAYBE_TestFilenameEliding TestFilenameEliding |
| 280 | #endif |
| 281 | TEST(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 | |
Torne (Richard Coles) | 4e180b6 | 2013-10-18 15:46:22 +0100 | [diff] [blame^] | 320 | static const FontList font_list; |
Torne (Richard Coles) | 58537e2 | 2013-09-12 12:10:22 +0100 | [diff] [blame] | 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); |
Torne (Richard Coles) | 4e180b6 | 2013-10-18 15:46:22 +0100 | [diff] [blame^] | 325 | EXPECT_EQ(expected, ElideFilename(filepath, font_list, |
| 326 | GetStringWidthF(UTF8ToUTF16(testcases[i].output), font_list))); |
Torne (Richard Coles) | 58537e2 | 2013-09-12 12:10:22 +0100 | [diff] [blame] | 327 | } |
| 328 | } |
| 329 | |
| 330 | TEST(TextEliderTest, ElideTextTruncate) { |
Torne (Richard Coles) | 4e180b6 | 2013-10-18 15:46:22 +0100 | [diff] [blame^] | 331 | const FontList font_list; |
| 332 | const float kTestWidth = GetStringWidthF(ASCIIToUTF16("Test"), font_list); |
Torne (Richard Coles) | 58537e2 | 2013-09-12 12:10:22 +0100 | [diff] [blame] | 333 | struct TestData { |
| 334 | const char* input; |
Torne (Richard Coles) | 4e180b6 | 2013-10-18 15:46:22 +0100 | [diff] [blame^] | 335 | float width; |
Torne (Richard Coles) | 58537e2 | 2013-09-12 12:10:22 +0100 | [diff] [blame] | 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) { |
Torne (Richard Coles) | 4e180b6 | 2013-10-18 15:46:22 +0100 | [diff] [blame^] | 347 | string16 result = ElideText(UTF8ToUTF16(cases[i].input), font_list, |
Torne (Richard Coles) | 58537e2 | 2013-09-12 12:10:22 +0100 | [diff] [blame] | 348 | cases[i].width, TRUNCATE_AT_END); |
| 349 | EXPECT_EQ(cases[i].output, UTF16ToUTF8(result)); |
| 350 | } |
| 351 | } |
| 352 | |
| 353 | TEST(TextEliderTest, ElideTextEllipsis) { |
Torne (Richard Coles) | 4e180b6 | 2013-10-18 15:46:22 +0100 | [diff] [blame^] | 354 | const FontList font_list; |
| 355 | const float kTestWidth = GetStringWidthF(ASCIIToUTF16("Test"), font_list); |
Torne (Richard Coles) | 58537e2 | 2013-09-12 12:10:22 +0100 | [diff] [blame] | 356 | const char* kEllipsis = "\xE2\x80\xA6"; |
Torne (Richard Coles) | 4e180b6 | 2013-10-18 15:46:22 +0100 | [diff] [blame^] | 357 | const float kEllipsisWidth = |
| 358 | GetStringWidthF(UTF8ToUTF16(kEllipsis), font_list); |
Torne (Richard Coles) | 58537e2 | 2013-09-12 12:10:22 +0100 | [diff] [blame] | 359 | struct TestData { |
| 360 | const char* input; |
Torne (Richard Coles) | 4e180b6 | 2013-10-18 15:46:22 +0100 | [diff] [blame^] | 361 | float width; |
Torne (Richard Coles) | 58537e2 | 2013-09-12 12:10:22 +0100 | [diff] [blame] | 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) { |
Torne (Richard Coles) | 4e180b6 | 2013-10-18 15:46:22 +0100 | [diff] [blame^] | 373 | string16 result = ElideText(UTF8ToUTF16(cases[i].input), font_list, |
Torne (Richard Coles) | 58537e2 | 2013-09-12 12:10:22 +0100 | [diff] [blame] | 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|. |
| 381 | static 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 | |
| 398 | TEST(TextEliderTest, ElideTextSurrogatePairs) { |
Torne (Richard Coles) | 4e180b6 | 2013-10-18 15:46:22 +0100 | [diff] [blame^] | 399 | const FontList font_list; |
Torne (Richard Coles) | 58537e2 | 2013-09-12 12:10:22 +0100 | [diff] [blame] | 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"); |
Torne (Richard Coles) | 4e180b6 | 2013-10-18 15:46:22 +0100 | [diff] [blame^] | 405 | const float kTestStringWidth = GetStringWidthF(kTestString, font_list); |
Torne (Richard Coles) | 58537e2 | 2013-09-12 12:10:22 +0100 | [diff] [blame] | 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. |
Torne (Richard Coles) | 4e180b6 | 2013-10-18 15:46:22 +0100 | [diff] [blame^] | 412 | for (float width = 0; width <= kTestStringWidth; width++) { |
| 413 | result = ElideText(kTestString, font_list, width, TRUNCATE_AT_END); |
Torne (Richard Coles) | 58537e2 | 2013-09-12 12:10:22 +0100 | [diff] [blame] | 414 | CheckSurrogatePairs(result, kSurrogateFirstChar, kSurrogateSecondChar); |
| 415 | |
Torne (Richard Coles) | 4e180b6 | 2013-10-18 15:46:22 +0100 | [diff] [blame^] | 416 | result = ElideText(kTestString, font_list, width, ELIDE_AT_END); |
Torne (Richard Coles) | 58537e2 | 2013-09-12 12:10:22 +0100 | [diff] [blame] | 417 | CheckSurrogatePairs(result, kSurrogateFirstChar, kSurrogateSecondChar); |
| 418 | |
Torne (Richard Coles) | 4e180b6 | 2013-10-18 15:46:22 +0100 | [diff] [blame^] | 419 | result = ElideText(kTestString, font_list, width, ELIDE_IN_MIDDLE); |
Torne (Richard Coles) | 58537e2 | 2013-09-12 12:10:22 +0100 | [diff] [blame] | 420 | CheckSurrogatePairs(result, kSurrogateFirstChar, kSurrogateSecondChar); |
| 421 | } |
| 422 | } |
| 423 | |
| 424 | TEST(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 | |
Torne (Richard Coles) | 4e180b6 | 2013-10-18 15:46:22 +0100 | [diff] [blame^] | 448 | const FontList font_list; |
| 449 | float ellipsis_width = GetStringWidthF(kEllipsisStr, font_list); |
Torne (Richard Coles) | 58537e2 | 2013-09-12 12:10:22 +0100 | [diff] [blame] | 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(), |
Torne (Richard Coles) | 4e180b6 | 2013-10-18 15:46:22 +0100 | [diff] [blame^] | 454 | ElideText( |
| 455 | testcases_end[i].input, |
| 456 | font_list, |
| 457 | GetStringWidthF(testcases_end[i].output, font_list), |
| 458 | ELIDE_AT_END).size()); |
Torne (Richard Coles) | 58537e2 | 2013-09-12 12:10:22 +0100 | [diff] [blame] | 459 | EXPECT_EQ(kEllipsisStr, |
Torne (Richard Coles) | 4e180b6 | 2013-10-18 15:46:22 +0100 | [diff] [blame^] | 460 | ElideText(testcases_end[i].input, font_list, ellipsis_width, |
Torne (Richard Coles) | 58537e2 | 2013-09-12 12:10:22 +0100 | [diff] [blame] | 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(), |
Torne (Richard Coles) | 4e180b6 | 2013-10-18 15:46:22 +0100 | [diff] [blame^] | 481 | ElideText( |
| 482 | testcases_middle[i].input, |
| 483 | font_list, |
| 484 | GetStringWidthF(testcases_middle[i].output, font_list), |
| 485 | ELIDE_AT_END).size()); |
Torne (Richard Coles) | 58537e2 | 2013-09-12 12:10:22 +0100 | [diff] [blame] | 486 | EXPECT_EQ(kEllipsisStr, |
Torne (Richard Coles) | 4e180b6 | 2013-10-18 15:46:22 +0100 | [diff] [blame^] | 487 | ElideText(testcases_middle[i].input, font_list, ellipsis_width, |
Torne (Richard Coles) | 58537e2 | 2013-09-12 12:10:22 +0100 | [diff] [blame] | 488 | ELIDE_AT_END)); |
| 489 | } |
| 490 | } |
| 491 | |
| 492 | // Verifies display_url is set correctly. |
| 493 | TEST(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. |
| 499 | TEST(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 | |
| 536 | TEST(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 | |
| 564 | TEST(TextEliderTest, ElideRectangleText) { |
Torne (Richard Coles) | 4e180b6 | 2013-10-18 15:46:22 +0100 | [diff] [blame^] | 565 | const FontList font_list; |
| 566 | const int line_height = font_list.GetHeight(); |
| 567 | const float test_width = GetStringWidthF(ASCIIToUTF16("Test"), font_list); |
Torne (Richard Coles) | 58537e2 | 2013-09-12 12:10:22 +0100 | [diff] [blame] | 568 | |
| 569 | struct TestData { |
| 570 | const char* input; |
Torne (Richard Coles) | 4e180b6 | 2013-10-18 15:46:22 +0100 | [diff] [blame^] | 571 | float available_pixel_width; |
Torne (Richard Coles) | 58537e2 | 2013-09-12 12:10:22 +0100 | [diff] [blame] | 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), |
Torne (Richard Coles) | 4e180b6 | 2013-10-18 15:46:22 +0100 | [diff] [blame^] | 607 | font_list, |
Torne (Richard Coles) | 58537e2 | 2013-09-12 12:10:22 +0100 | [diff] [blame] | 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 | |
| 621 | TEST(TextEliderTest, ElideRectangleTextPunctuation) { |
Torne (Richard Coles) | 4e180b6 | 2013-10-18 15:46:22 +0100 | [diff] [blame^] | 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); |
Torne (Richard Coles) | 58537e2 | 2013-09-12 12:10:22 +0100 | [diff] [blame] | 626 | |
| 627 | struct TestData { |
| 628 | const char* input; |
Torne (Richard Coles) | 4e180b6 | 2013-10-18 15:46:22 +0100 | [diff] [blame^] | 629 | float available_pixel_width; |
Torne (Richard Coles) | 58537e2 | 2013-09-12 12:10:22 +0100 | [diff] [blame] | 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), |
Torne (Richard Coles) | 4e180b6 | 2013-10-18 15:46:22 +0100 | [diff] [blame^] | 647 | font_list, |
Torne (Richard Coles) | 58537e2 | 2013-09-12 12:10:22 +0100 | [diff] [blame] | 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 | |
| 661 | TEST(TextEliderTest, ElideRectangleTextLongWords) { |
Torne (Richard Coles) | 4e180b6 | 2013-10-18 15:46:22 +0100 | [diff] [blame^] | 662 | const FontList font_list; |
Torne (Richard Coles) | 58537e2 | 2013-09-12 12:10:22 +0100 | [diff] [blame] | 663 | const int kAvailableHeight = 1000; |
| 664 | const string16 kElidedTesting = UTF8ToUTF16(std::string("Tes") + kEllipsis); |
Torne (Richard Coles) | 4e180b6 | 2013-10-18 15:46:22 +0100 | [diff] [blame^] | 665 | const float elided_width = GetStringWidthF(kElidedTesting, font_list); |
| 666 | const float test_width = GetStringWidthF(ASCIIToUTF16("Test"), font_list); |
Torne (Richard Coles) | 58537e2 | 2013-09-12 12:10:22 +0100 | [diff] [blame] | 667 | |
| 668 | struct TestData { |
| 669 | const char* input; |
Torne (Richard Coles) | 4e180b6 | 2013-10-18 15:46:22 +0100 | [diff] [blame^] | 670 | float available_pixel_width; |
Torne (Richard Coles) | 58537e2 | 2013-09-12 12:10:22 +0100 | [diff] [blame] | 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), |
Torne (Richard Coles) | 4e180b6 | 2013-10-18 15:46:22 +0100 | [diff] [blame^] | 708 | font_list, |
Torne (Richard Coles) | 58537e2 | 2013-09-12 12:10:22 +0100 | [diff] [blame] | 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 | |
Torne (Richard Coles) | 68043e1 | 2013-09-26 13:24:57 +0100 | [diff] [blame] | 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. |
Torne (Richard Coles) | 4e180b6 | 2013-10-18 15:46:22 +0100 | [diff] [blame^] | 725 | TEST(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; |
Torne (Richard Coles) | 68043e1 | 2013-09-26 13:24:57 +0100 | [diff] [blame] | 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), |
Torne (Richard Coles) | 4e180b6 | 2013-10-18 15:46:22 +0100 | [diff] [blame^] | 736 | font_list, |
Torne (Richard Coles) | 68043e1 | 2013-09-26 13:24:57 +0100 | [diff] [blame] | 737 | kAvailableWidth, |
| 738 | kAvailableHeight, |
| 739 | WRAP_LONG_WORDS, |
| 740 | &lines)); |
| 741 | ASSERT_EQ(2u, lines.size()); |
Torne (Richard Coles) | 4e180b6 | 2013-10-18 15:46:22 +0100 | [diff] [blame^] | 742 | EXPECT_LE(GetStringWidthF(lines[0], font_list), kAvailableWidth); |
| 743 | EXPECT_LE(GetStringWidthF(lines[1], font_list), kAvailableWidth); |
Torne (Richard Coles) | 68043e1 | 2013-09-26 13:24:57 +0100 | [diff] [blame] | 744 | } |
| 745 | |
Torne (Richard Coles) | 58537e2 | 2013-09-12 12:10:22 +0100 | [diff] [blame] | 746 | TEST(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 | |
| 829 | TEST(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 | |
| 911 | TEST(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 | |
| 930 | TEST(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 | |
| 943 | TEST(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 |