Handling of different types of empty alt

content/browser/accessibility/dump_accessibility_tree_browsertest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/path_service.h"
@@ skipping 41 matching lines @@
 // 2. Read the expectation.
 // 3. Browse to the page and serialize the platform specific tree into a human
 //    readable string.
 // 4. Perform a comparison between actual and expected and fail if they do not
 //    exactly match.
 class DumpAccessibilityTreeTest : public DumpAccessibilityTestBase {
  public:
   void AddDefaultFilters(std::vector<Filter>* filters) override {
     filters->push_back(Filter(base::ASCIIToUTF16("FOCUSABLE"), Filter::ALLOW));
     filters->push_back(Filter(base::ASCIIToUTF16("READONLY"), Filter::ALLOW));
-    filters->push_back(Filter(base::ASCIIToUTF16("name=*"), Filter::ALLOW));
     filters->push_back(Filter(base::ASCIIToUTF16("roleDescription=*"),
                               Filter::ALLOW));
     filters->push_back(Filter(base::ASCIIToUTF16("*=''"), Filter::DENY));
+    // After denying empty values, because we want to allow name=''
+    filters->push_back(
+        Filter(base::ASCIIToUTF16("name=*"), Filter::ALLOW_EMPTY));
   }
 
   void SetUpCommandLine(base::CommandLine* command_line) override {
     DumpAccessibilityTestBase::SetUpCommandLine(command_line);
     // Enable <dialog>, which is used in some tests.
     base::CommandLine::ForCurrentProcess()->AppendSwitch(
         switches::kEnableExperimentalWebPlatformFeatures);
   }
 
   void RunAriaTest(const base::FilePath::CharType* file_path) {
@@ skipping 965 matching lines @@
 }
 
 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityImg) {
   RunHtmlTest(FILE_PATH_LITERAL("img.html"));
 }
 
 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityImgEmptyAlt) {
   RunHtmlTest(FILE_PATH_LITERAL("img-empty-alt.html"));
 }
 
+IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest,
+                       AccessibilityImgLinkEmptyAlt) {
+  RunHtmlTest(FILE_PATH_LITERAL("img-link-empty-alt.html"));
+}
+
 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityInPageLinks) {
   RunHtmlTest(FILE_PATH_LITERAL("in-page-links.html"));
 }
 
 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityInputButton) {
   RunHtmlTest(FILE_PATH_LITERAL("input-button.html"));
 }
 
 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest,
                        AccessibilityInputButtonInMenu) {
@@ skipping 427 matching lines @@
 // crbug.com/281952
 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, DISABLED_AccessibilityVideo) {
   RunHtmlTest(FILE_PATH_LITERAL("video.html"));
 }
 
 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityWbr) {
   RunHtmlTest(FILE_PATH_LITERAL("wbr.html"));
 }
 
 }  // namespace content