Correctly finds line boundaries in objects with rich text on Windows.

content/browser/accessibility/browser_accessibility_win_unittest.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 "content/browser/accessibility/browser_accessibility_win.h"
 
 #include <stdint.h>
 
 #include <memory>
 
@@ skipping 322 matching lines @@
   std::string text_value = line1 + '\n' + line2;
 
   ui::AXNodeData root;
   root.id = 1;
   root.role = ui::AX_ROLE_ROOT_WEB_AREA;
   root.child_ids.push_back(2);
 
   ui::AXNodeData text_field;
   text_field.id = 2;
   text_field.role = ui::AX_ROLE_TEXT_FIELD;
+  text_field.state = ui::AX_STATE_EDITABLE;
   text_field.AddStringAttribute(ui::AX_ATTR_VALUE, text_value);
   std::vector<int32_t> line_start_offsets;
   line_start_offsets.push_back(15);
   text_field.AddIntListAttribute(
       ui::AX_ATTR_LINE_BREAKS, line_start_offsets);
   text_field.child_ids.push_back(3);
   text_field.child_ids.push_back(5);
   text_field.child_ids.push_back(6);
 
   ui::AXNodeData static_text1;
   static_text1.id = 3;
   static_text1.role = ui::AX_ROLE_STATIC_TEXT;
+  static_text1.state = ui::AX_STATE_EDITABLE;
   static_text1.AddStringAttribute(ui::AX_ATTR_NAME, line1);
   static_text1.child_ids.push_back(4);
 
   ui::AXNodeData inline_box1;
   inline_box1.id = 4;
   inline_box1.role = ui::AX_ROLE_INLINE_TEXT_BOX;
+  inline_box1.state = ui::AX_STATE_EDITABLE;
   inline_box1.AddStringAttribute(ui::AX_ATTR_NAME, line1);
   std::vector<int32_t> word_start_offsets1;
   word_start_offsets1.push_back(0);
   word_start_offsets1.push_back(4);
   word_start_offsets1.push_back(8);
   inline_box1.AddIntListAttribute(
       ui::AX_ATTR_WORD_STARTS, word_start_offsets1);
 
   ui::AXNodeData line_break;
   line_break.id = 5;
   line_break.role = ui::AX_ROLE_LINE_BREAK;
+  line_break.state = ui::AX_STATE_EDITABLE;
   line_break.AddStringAttribute(ui::AX_ATTR_NAME, "\n");
 
   ui::AXNodeData static_text2;
   static_text2.id = 6;
   static_text2.role = ui::AX_ROLE_STATIC_TEXT;
+  static_text2.state = ui::AX_STATE_EDITABLE;
   static_text2.AddStringAttribute(ui::AX_ATTR_NAME, line2);
   static_text2.child_ids.push_back(7);
 
   ui::AXNodeData inline_box2;
   inline_box2.id = 7;
   inline_box2.role = ui::AX_ROLE_INLINE_TEXT_BOX;
+  inline_box2.state = ui::AX_STATE_EDITABLE;
   inline_box2.AddStringAttribute(ui::AX_ATTR_NAME, line2);
   std::vector<int32_t> word_start_offsets2;
   word_start_offsets2.push_back(0);
   word_start_offsets2.push_back(5);
   word_start_offsets2.push_back(10);
   inline_box2.AddIntListAttribute(
       ui::AX_ATTR_WORD_STARTS, word_start_offsets2);
 
   CountedBrowserAccessibility::reset();
   std::unique_ptr<BrowserAccessibilityManager> manager(
       BrowserAccessibilityManager::Create(
           MakeAXTreeUpdate(root, text_field, static_text1, inline_box1,
                            line_break, static_text2, inline_box2),
           nullptr, new CountedBrowserAccessibilityFactory()));
   ASSERT_EQ(7, CountedBrowserAccessibility::num_instances());
 
   BrowserAccessibilityWin* root_obj =
       ToBrowserAccessibilityWin(manager->GetRoot());
   ASSERT_NE(nullptr, root_obj);
   ASSERT_EQ(1U, root_obj->PlatformChildCount());
 
   BrowserAccessibilityWin* text_field_obj =
       ToBrowserAccessibilityWin(root_obj->PlatformGetChild(0));
   ASSERT_NE(nullptr, text_field_obj);
+  ASSERT_EQ(0U, text_field_obj->PlatformChildCount());
 
   long text_len;
   EXPECT_EQ(S_OK, text_field_obj->get_nCharacters(&text_len));
 
   base::win::ScopedBstr text;
   EXPECT_EQ(S_OK, text_field_obj->get_text(0, text_len, text.Receive()));
   EXPECT_EQ(text_value, base::UTF16ToUTF8(base::string16(text)));
   text.Reset();
 
   EXPECT_EQ(S_OK, text_field_obj->get_text(0, 4, text.Receive()));
@@ skipping 1578 matching lines @@
   base::win::ScopedComPtr<IDispatch> result;
   EXPECT_EQ(E_INVALIDARG, ToBrowserAccessibilityWin(child)->get_accChild(
       root_unique_id_variant, result.Receive()));
 
   base::win::ScopedVariant child_unique_id_variant(-child->unique_id());
   EXPECT_EQ(S_OK, ToBrowserAccessibilityWin(root)->get_accChild(
       child_unique_id_variant, result.Receive()));
 }
 
 }  // namespace content