src/content/browser/accessibility/dump_accessibility_tree_browsertest.cc

   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 #include <set>
   6 #include <string>
   7 #include <vector>
   8
   9 #include "base/command_line.h"
  10 #include "base/file_util.h"
  11 #include "base/logging.h"
  12 #include "base/path_service.h"
  13 #include "base/strings/string16.h"
  14 #include "base/strings/string_split.h"
  15 #include "base/strings/string_util.h"
  16 #include "base/strings/utf_string_conversions.h"
  17 #include "content/browser/accessibility/accessibility_tree_formatter.h"
  18 #include "content/browser/accessibility/browser_accessibility.h"
  19 #include "content/browser/accessibility/browser_accessibility_manager.h"
  20 #include "content/browser/renderer_host/render_view_host_impl.h"
  21 #include "content/browser/renderer_host/render_widget_host_view_base.h"
  22 #include "content/public/browser/web_contents.h"
  23 #include "content/public/common/content_paths.h"
  24 #include "content/public/common/content_switches.h"
  25 #include "content/public/common/url_constants.h"
  26 #include "content/public/test/content_browser_test.h"
  27 #include "content/public/test/content_browser_test_utils.h"
  28 #include "content/shell/browser/shell.h"
  29 #include "content/test/accessibility_browser_test_utils.h"
  30 #include "testing/gtest/include/gtest/gtest.h"
  31
  32 // TODO(aboxhall): Create expectations on Android for these
  33 #if defined(OS_ANDROID)
  34 #define MAYBE(x) DISABLED_##x
  35 #else
  36 #define MAYBE(x) x
  37 #endif
  38
  39 namespace content {
  40
  41 namespace {
  42
  43 const char kCommentToken = '#';
  44 const char kMarkSkipFile[] = "#<skip";
  45 const char kMarkEndOfFile[] = "<-- End-of-file -->";
  46 const char kSignalDiff[] = "*";
  47
  48 }  // namespace
  49
  50 typedef AccessibilityTreeFormatter::Filter Filter;
  51
  52 // This test takes a snapshot of the platform BrowserAccessibility tree and
  53 // tests it against an expected baseline.
  54 //
  55 // The flow of the test is as outlined below.
  56 // 1. Load an html file from chrome/test/data/accessibility.
  57 // 2. Read the expectation.
  58 // 3. Browse to the page and serialize the platform specific tree into a human
  59 //    readable string.
  60 // 4. Perform a comparison between actual and expected and fail if they do not
  61 //    exactly match.
  62 class DumpAccessibilityTreeTest : public ContentBrowserTest {
  63  public:
  64   // Utility helper that does a comment aware equality check.
  65   // Returns array of lines from expected file which are different.
  66   std::vector<int> DiffLines(const std::vector<std::string>& expected_lines,
  67                              const std::vector<std::string>& actual_lines) {
  68     int actual_lines_count = actual_lines.size();
  69     int expected_lines_count = expected_lines.size();
  70     std::vector<int> diff_lines;
  71     int i = 0, j = 0;
  72     while (i < actual_lines_count && j < expected_lines_count) {
  73       if (expected_lines[j].size() == 0 ||
  74           expected_lines[j][0] == kCommentToken) {
  75         // Skip comment lines and blank lines in expected output.
  76         ++j;
  77         continue;
  78       }
  79
  80       if (actual_lines[i] != expected_lines[j])
  81         diff_lines.push_back(j);
  82       ++i;
  83       ++j;
  84     }
  85
  86     // Actual file has been fully checked.
  87     return diff_lines;
  88   }
  89
  90   void AddDefaultFilters(std::vector<Filter>* filters) {
  91     filters->push_back(Filter(base::ASCIIToUTF16("FOCUSABLE"), Filter::ALLOW));
  92     filters->push_back(Filter(base::ASCIIToUTF16("READONLY"), Filter::ALLOW));
  93     filters->push_back(Filter(base::ASCIIToUTF16("*=''"), Filter::DENY));
  94   }
  95
  96   void ParseFilters(const std::string& test_html,
  97                     std::vector<Filter>* filters) {
  98     std::vector<std::string> lines;
  99     base::SplitString(test_html, '\n', &lines);
 100     for (std::vector<std::string>::const_iterator iter = lines.begin();
 101          iter != lines.end();
 102          ++iter) {
 103       const std::string& line = *iter;
 104       const std::string& allow_empty_str =
 105           AccessibilityTreeFormatter::GetAllowEmptyString();
 106       const std::string& allow_str =
 107           AccessibilityTreeFormatter::GetAllowString();
 108       const std::string& deny_str =
 109           AccessibilityTreeFormatter::GetDenyString();
 110       if (StartsWithASCII(line, allow_empty_str, true)) {
 111         filters->push_back(
 112           Filter(base::UTF8ToUTF16(line.substr(allow_empty_str.size())),
 113                  Filter::ALLOW_EMPTY));
 114       } else if (StartsWithASCII(line, allow_str, true)) {
 115         filters->push_back(Filter(base::UTF8ToUTF16(
 116                                       line.substr(allow_str.size())),
 117                                   Filter::ALLOW));
 118       } else if (StartsWithASCII(line, deny_str, true)) {
 119         filters->push_back(Filter(base::UTF8ToUTF16(
 120                                       line.substr(deny_str.size())),
 121                                   Filter::DENY));
 122       }
 123     }
 124   }
 125
 126   virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
 127     ContentBrowserTest::SetUpCommandLine(command_line);
 128     // Enable <dialog>, which is used in some tests.
 129     CommandLine::ForCurrentProcess()->AppendSwitch(
 130         switches::kEnableExperimentalWebPlatformFeatures);
 131   }
 132
 133   void RunTest(const base::FilePath::CharType* file_path);
 134 };
 135
 136 void DumpAccessibilityTreeTest::RunTest(
 137     const base::FilePath::CharType* file_path) {
 138   NavigateToURL(shell(), GURL(kAboutBlankURL));
 139
 140   // Setup test paths.
 141   base::FilePath dir_test_data;
 142   ASSERT_TRUE(PathService::Get(DIR_TEST_DATA, &dir_test_data));
 143   base::FilePath test_path(
 144       dir_test_data.Append(FILE_PATH_LITERAL("accessibility")));
 145   ASSERT_TRUE(base::PathExists(test_path))
 146       << test_path.LossyDisplayName();
 147
 148   base::FilePath html_file = test_path.Append(base::FilePath(file_path));
 149   // Output the test path to help anyone who encounters a failure and needs
 150   // to know where to look.
 151   printf("Testing: %s\n", html_file.MaybeAsASCII().c_str());
 152
 153   std::string html_contents;
 154   base::ReadFileToString(html_file, &html_contents);
 155
 156   // Read the expected file.
 157   std::string expected_contents_raw;
 158   base::FilePath expected_file =
 159     base::FilePath(html_file.RemoveExtension().value() +
 160                    AccessibilityTreeFormatter::GetExpectedFileSuffix());
 161   base::ReadFileToString(expected_file, &expected_contents_raw);
 162
 163   // Tolerate Windows-style line endings (\r\n) in the expected file:
 164   // normalize by deleting all \r from the file (if any) to leave only \n.
 165   std::string expected_contents;
 166   base::RemoveChars(expected_contents_raw, "\r", &expected_contents);
 167
 168   if (!expected_contents.compare(0, strlen(kMarkSkipFile), kMarkSkipFile)) {
 169     printf("Skipping this test on this platform.\n");
 170     return;
 171   }
 172
 173   // Load the page.
 174   base::string16 html_contents16;
 175   html_contents16 = base::UTF8ToUTF16(html_contents);
 176   GURL url = GetTestUrl("accessibility",
 177                         html_file.BaseName().MaybeAsASCII().c_str());
 178   AccessibilityNotificationWaiter waiter(
 179       shell(), AccessibilityModeComplete,
 180       ui::AX_EVENT_LOAD_COMPLETE);
 181   NavigateToURL(shell(), url);
 182   waiter.WaitForNotification();
 183
 184   RenderWidgetHostViewBase* host_view = static_cast<RenderWidgetHostViewBase*>(
 185       shell()->web_contents()->GetRenderWidgetHostView());
 186   AccessibilityTreeFormatter formatter(
 187       host_view->GetBrowserAccessibilityManager()->GetRoot());
 188
 189   // Parse filters in the test file.
 190   std::vector<Filter> filters;
 191   AddDefaultFilters(&filters);
 192   ParseFilters(html_contents, &filters);
 193   formatter.SetFilters(filters);
 194
 195   // Perform a diff (or write the initial baseline).
 196   base::string16 actual_contents_utf16;
 197   formatter.FormatAccessibilityTree(&actual_contents_utf16);
 198   std::string actual_contents = base::UTF16ToUTF8(actual_contents_utf16);
 199   std::vector<std::string> actual_lines, expected_lines;
 200   Tokenize(actual_contents, "\n", &actual_lines);
 201   Tokenize(expected_contents, "\n", &expected_lines);
 202   // Marking the end of the file with a line of text ensures that
 203   // file length differences are found.
 204   expected_lines.push_back(kMarkEndOfFile);
 205   actual_lines.push_back(kMarkEndOfFile);
 206
 207   std::vector<int> diff_lines = DiffLines(expected_lines, actual_lines);
 208   bool is_different = diff_lines.size() > 0;
 209   EXPECT_FALSE(is_different);
 210   if (is_different) {
 211     // Mark the expected lines which did not match actual output with a *.
 212     printf("* Line Expected\n");
 213     printf("- ---- --------\n");
 214     for (int line = 0, diff_index = 0;
 215          line < static_cast<int>(expected_lines.size());
 216          ++line) {
 217       bool is_diff = false;
 218       if (diff_index < static_cast<int>(diff_lines.size()) &&
 219           diff_lines[diff_index] == line) {
 220         is_diff = true;
 221         ++diff_index;
 222       }
 223       printf("%1s %4d %s\n", is_diff? kSignalDiff : "", line + 1,
 224              expected_lines[line].c_str());
 225     }
 226     printf("\nActual\n");
 227     printf("------\n");
 228     printf("%s\n", actual_contents.c_str());
 229   }
 230
 231   if (!base::PathExists(expected_file)) {
 232     base::FilePath actual_file =
 233         base::FilePath(html_file.RemoveExtension().value() +
 234                        AccessibilityTreeFormatter::GetActualFileSuffix());
 235
 236     EXPECT_TRUE(base::WriteFile(
 237         actual_file, actual_contents.c_str(), actual_contents.size()));
 238
 239     ADD_FAILURE() << "No expectation found. Create it by doing:\n"
 240                   << "mv " << actual_file.LossyDisplayName() << " "
 241                   << expected_file.LossyDisplayName();
 242   }
 243 }
 244
 245 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityA) {
 246   RunTest(FILE_PATH_LITERAL("a.html"));
 247 }
 248
 249 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityAddress) {
 250   RunTest(FILE_PATH_LITERAL("address.html"));
 251 }
 252
 253 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityAName) {
 254   RunTest(FILE_PATH_LITERAL("a-name.html"));
 255 }
 256
 257 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityANoText) {
 258   RunTest(FILE_PATH_LITERAL("a-no-text.html"));
 259 }
 260
 261 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityAOnclick) {
 262   RunTest(FILE_PATH_LITERAL("a-onclick.html"));
 263 }
 264
 265 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest,
 266                        AccessibilityAriaApplication) {
 267   RunTest(FILE_PATH_LITERAL("aria-application.html"));
 268 }
 269
 270 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest,
 271                        AccessibilityAriaAutocomplete) {
 272   RunTest(FILE_PATH_LITERAL("aria-autocomplete.html"));
 273 }
 274
 275 // crbug.com/98976 will cause new elements to be added to the Blink a11y tree
 276 // Re-baseline after the Blink change goes in
 277 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest,
 278                        DISABLED_AccessibilityAriaCombobox) {
 279   RunTest(FILE_PATH_LITERAL("aria-combobox.html"));
 280 }
 281
 282 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest,
 283                        MAYBE(AccessibilityAriaFlowto)) {
 284   RunTest(FILE_PATH_LITERAL("aria-flowto.html"));
 285 }
 286
 287 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityAriaInvalid) {
 288   RunTest(FILE_PATH_LITERAL("aria-invalid.html"));
 289 }
 290
 291 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityAriaLevel) {
 292   RunTest(FILE_PATH_LITERAL("aria-level.html"));
 293 }
 294
 295 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityAriaMenu) {
 296   RunTest(FILE_PATH_LITERAL("aria-menu.html"));
 297 }
 298
 299 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest,
 300                        AccessibilityAriaMenuitemradio) {
 301   RunTest(FILE_PATH_LITERAL("aria-menuitemradio.html"));
 302 }
 303
 304 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest,
 305                        AccessibilityAriaPressed) {
 306   RunTest(FILE_PATH_LITERAL("aria-pressed.html"));
 307 }
 308
 309 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest,
 310                        AccessibilityAriaProgressbar) {
 311   RunTest(FILE_PATH_LITERAL("aria-progressbar.html"));
 312 }
 313
 314 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest,
 315                        AccessibilityAriaToolbar) {
 316   RunTest(FILE_PATH_LITERAL("toolbar.html"));
 317 }
 318
 319 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest,
 320                        AccessibilityAriaValueMin) {
 321   RunTest(FILE_PATH_LITERAL("aria-valuemin.html"));
 322 }
 323
 324 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest,
 325                        AccessibilityAriaValueMax) {
 326   RunTest(FILE_PATH_LITERAL("aria-valuemax.html"));
 327 }
 328
 329 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityArticle) {
 330   RunTest(FILE_PATH_LITERAL("article.html"));
 331 }
 332
 333 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityAWithImg) {
 334   RunTest(FILE_PATH_LITERAL("a-with-img.html"));
 335 }
 336
 337 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityBdo) {
 338   RunTest(FILE_PATH_LITERAL("bdo.html"));
 339 }
 340
 341 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityBR) {
 342   RunTest(FILE_PATH_LITERAL("br.html"));
 343 }
 344
 345 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityButtonNameCalc) {
 346   RunTest(FILE_PATH_LITERAL("button-name-calc.html"));
 347 }
 348
 349 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityCanvas) {
 350   RunTest(FILE_PATH_LITERAL("canvas.html"));
 351 }
 352
 353 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest,
 354                        AccessibilityCheckboxNameCalc) {
 355   RunTest(FILE_PATH_LITERAL("checkbox-name-calc.html"));
 356 }
 357
 358 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityDialog) {
 359   RunTest(FILE_PATH_LITERAL("dialog.html"));
 360 }
 361
 362 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityDiv) {
 363   RunTest(FILE_PATH_LITERAL("div.html"));
 364 }
 365
 366 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityDl) {
 367   RunTest(FILE_PATH_LITERAL("dl.html"));
 368 }
 369
 370 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest,
 371                        AccessibilityContenteditableDescendants) {
 372   RunTest(FILE_PATH_LITERAL("contenteditable-descendants.html"));
 373 }
 374
 375 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityEm) {
 376   RunTest(FILE_PATH_LITERAL("em.html"));
 377 }
 378
 379 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityFooter) {
 380   RunTest(FILE_PATH_LITERAL("footer.html"));
 381 }
 382
 383 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityForm) {
 384   RunTest(FILE_PATH_LITERAL("form.html"));
 385 }
 386
 387 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityHeading) {
 388   RunTest(FILE_PATH_LITERAL("heading.html"));
 389 }
 390
 391 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityHR) {
 392   RunTest(FILE_PATH_LITERAL("hr.html"));
 393 }
 394
 395 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest,
 396                        AccessibilityIframeCoordinates) {
 397   RunTest(FILE_PATH_LITERAL("iframe-coordinates.html"));
 398 }
 399
 400 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityInputButton) {
 401   RunTest(FILE_PATH_LITERAL("input-button.html"));
 402 }
 403
 404 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest,
 405                        AccessibilityInputButtonInMenu) {
 406   RunTest(FILE_PATH_LITERAL("input-button-in-menu.html"));
 407 }
 408
 409 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityInputColor) {
 410   RunTest(FILE_PATH_LITERAL("input-color.html"));
 411 }
 412
 413 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest,
 414                        AccessibilityInputImageButtonInMenu) {
 415   RunTest(FILE_PATH_LITERAL("input-image-button-in-menu.html"));
 416 }
 417
 418 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityInputRange) {
 419   RunTest(FILE_PATH_LITERAL("input-range.html"));
 420 }
 421
 422 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest,
 423                        AccessibilityInputTextNameCalc) {
 424   RunTest(FILE_PATH_LITERAL("input-text-name-calc.html"));
 425 }
 426
 427 // crbug.com/98976 will cause new elements to be added to the Blink a11y tree
 428 // Re-baseline after the Blink change goes in
 429 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest,
 430                        DISABLED_AccessibilityInputTypes) {
 431   RunTest(FILE_PATH_LITERAL("input-types.html"));
 432 }
 433
 434 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityLabel) {
 435   RunTest(FILE_PATH_LITERAL("label.html"));
 436 }
 437
 438 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityLandmark) {
 439   RunTest(FILE_PATH_LITERAL("landmark.html"));
 440 }
 441
 442 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityListMarkers) {
 443   RunTest(FILE_PATH_LITERAL("list-markers.html"));
 444 }
 445
 446 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest,
 447                        AccessibilityModalDialogClosed) {
 448   RunTest(FILE_PATH_LITERAL("modal-dialog-closed.html"));
 449 }
 450
 451 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest,
 452                        AccessibilityModalDialogOpened) {
 453   RunTest(FILE_PATH_LITERAL("modal-dialog-opened.html"));
 454 }
 455
 456 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest,
 457                        AccessibilityModalDialogInIframeClosed) {
 458   RunTest(FILE_PATH_LITERAL("modal-dialog-in-iframe-closed.html"));
 459 }
 460
 461 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest,
 462                        AccessibilityModalDialogInIframeOpened) {
 463   RunTest(FILE_PATH_LITERAL("modal-dialog-in-iframe-opened.html"));
 464 }
 465
 466 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest,
 467                        AccessibilityModalDialogStack) {
 468   RunTest(FILE_PATH_LITERAL("modal-dialog-stack.html"));
 469 }
 470
 471 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityP) {
 472   RunTest(FILE_PATH_LITERAL("p.html"));
 473 }
 474
 475 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityRegion) {
 476   RunTest(FILE_PATH_LITERAL("region.html"));
 477 }
 478
 479 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilitySelect) {
 480   RunTest(FILE_PATH_LITERAL("select.html"));
 481 }
 482
 483 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilitySpan) {
 484   RunTest(FILE_PATH_LITERAL("span.html"));
 485 }
 486
 487 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilitySpinButton) {
 488   RunTest(FILE_PATH_LITERAL("spinbutton.html"));
 489 }
 490
 491 // TODO(dmazzoni): Rebaseline this test after Blink rolls past r155083.
 492 // See http://crbug.com/265619
 493 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, DISABLED_AccessibilitySvg) {
 494   RunTest(FILE_PATH_LITERAL("svg.html"));
 495 }
 496
 497 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityTab) {
 498   RunTest(FILE_PATH_LITERAL("tab.html"));
 499 }
 500
 501 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityTableSimple) {
 502   RunTest(FILE_PATH_LITERAL("table-simple.html"));
 503 }
 504
 505 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityTableSpans) {
 506   RunTest(FILE_PATH_LITERAL("table-spans.html"));
 507 }
 508
 509 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest,
 510                        AccessibilityToggleButton) {
 511   RunTest(FILE_PATH_LITERAL("togglebutton.html"));
 512 }
 513
 514 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityUl) {
 515   RunTest(FILE_PATH_LITERAL("ul.html"));
 516 }
 517
 518 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityWbr) {
 519   RunTest(FILE_PATH_LITERAL("wbr.html"));
 520 }
 521
 522 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest,
 523                        AccessibilityAriaActivedescendant) {
 524   RunTest(FILE_PATH_LITERAL("aria-activedescendant.html"));
 525 }
 526
 527 }  // namespace content