Support IAccessibleHypertext.

chrome/browser/accessibility/browser_accessibility_win_unittest.cc

 // Copyright (c) 2011 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 "base/memory/scoped_ptr.h"
 #include "base/win/scoped_comptr.h"
 #include "content/browser/accessibility/browser_accessibility_manager.h"
 #include "content/browser/accessibility/browser_accessibility_win.h"
 #include "content/common/view_messages.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 350 matching lines @@
 
   ASSERT_EQ(S_OK, text1_obj->get_text(0, IA2_TEXT_OFFSET_LENGTH, &text));
   ASSERT_EQ(text, string16(L"One two three.\nFour five six."));
   SysFreeString(text);
 
   // Delete the manager and test that all BrowserAccessibility instances are
   // deleted.
   delete manager;
   ASSERT_EQ(0, CountedBrowserAccessibility::global_obj_count_);
 }
+
+TEST_F(BrowserAccessibilityTest, TestSimpleHypertext) {
+  WebAccessibility text1;
+  text1.id = 11;
+  text1.role = WebAccessibility::ROLE_STATIC_TEXT;
+  text1.state = 0;
+  text1.name = L"One two three.";
+
+  WebAccessibility text2;
+  text2.id = 12;
+  text2.role = WebAccessibility::ROLE_STATIC_TEXT;
+  text2.state = 0;
+  text2.name = L" Four five six.";
+
+  WebAccessibility root;
+  root.id = 1;
+  root.role = WebAccessibility::ROLE_DOCUMENT;
+  root.state = 0;
+  root.children.push_back(text1);
+  root.children.push_back(text2);
+
+  CountedBrowserAccessibility::global_obj_count_ = 0;
+  BrowserAccessibilityManager* manager = BrowserAccessibilityManager::Create(
+      GetDesktopWindow(), root, NULL,
+      new CountedBrowserAccessibilityFactory());
+  ASSERT_EQ(3, CountedBrowserAccessibility::global_obj_count_);
+
+  BrowserAccessibilityWin* root_obj =
+      manager->GetRoot()->toBrowserAccessibilityWin();
+
+  BSTR text;
+
+  long text_len;
+  ASSERT_EQ(S_OK, root_obj->get_nCharacters(&text_len));
+
+  ASSERT_EQ(S_OK, root_obj->get_text(0, text_len, &text));
+  EXPECT_EQ(text, text1.name + text2.name);
+  SysFreeString(text);
+
+  long hyperlink_count;
+  ASSERT_EQ(S_OK, root_obj->get_nHyperlinks(&hyperlink_count));
+  EXPECT_EQ(0, hyperlink_count);
+
+  base::win::ScopedComPtr<IAccessibleHyperlink> hyperlink;
+  EXPECT_EQ(E_FAIL, root_obj->get_hyperlink(-1, hyperlink.Receive()));
+  EXPECT_EQ(E_FAIL, root_obj->get_hyperlink(0, hyperlink.Receive()));
+  EXPECT_EQ(E_FAIL, root_obj->get_hyperlink(28, hyperlink.Receive()));
+  EXPECT_EQ(E_FAIL, root_obj->get_hyperlink(-1, hyperlink.Receive()));
+  EXPECT_EQ(E_FAIL, root_obj->get_hyperlink(29, hyperlink.Receive()));
+
+  long hyperlink_index;
+  EXPECT_EQ(E_FAIL, root_obj->get_hyperlinkIndex(0, &hyperlink_index));
+  EXPECT_EQ(-1, hyperlink_index);
+  EXPECT_EQ(E_FAIL, root_obj->get_hyperlinkIndex(28, &hyperlink_index));
+  EXPECT_EQ(-1, hyperlink_index);
+  EXPECT_EQ(E_INVALIDARG, root_obj->get_hyperlinkIndex(-1, &hyperlink_index));
+  EXPECT_EQ(-1, hyperlink_index);
+  EXPECT_EQ(E_INVALIDARG, root_obj->get_hyperlinkIndex(29, &hyperlink_index));
+  EXPECT_EQ(-1, hyperlink_index);
+
+  // Delete the manager and test that all BrowserAccessibility instances are
+  // deleted.
+  delete manager;
+  ASSERT_EQ(0, CountedBrowserAccessibility::global_obj_count_);
+}
+
+TEST_F(BrowserAccessibilityTest, TestComplexHypertext) {
+  WebAccessibility text1;
+  text1.id = 11;
+  text1.role = WebAccessibility::ROLE_STATIC_TEXT;
+  text1.state = 0;
+  text1.name = L"One two three.";
+
+  WebAccessibility text2;
+  text2.id = 12;
+  text2.role = WebAccessibility::ROLE_STATIC_TEXT;
+  text2.state = 0;
+  text2.name = L" Four five six.";
+
+  WebAccessibility button1, button1_text;
+  button1.id = 13;
+  button1_text.id = 15;
+  button1_text.name = L"red";
+  button1.role = WebAccessibility::ROLE_BUTTON;
+  button1_text.role = WebAccessibility::ROLE_STATIC_TEXT;
+  button1.state = 0;
+  button1.children.push_back(button1_text);
+
+  WebAccessibility link1, link1_text;
+  link1.id = 14;
+  link1_text.id = 16;
+  link1_text.name = L"blue";
+  link1.role = WebAccessibility::ROLE_LINK;
+  link1_text.role = WebAccessibility::ROLE_STATIC_TEXT;
+  link1.state = 0;
+  link1.children.push_back(link1_text);
+
+  WebAccessibility root;
+  root.id = 1;
+  root.role = WebAccessibility::ROLE_DOCUMENT;
+  root.state = 0;
+  root.children.push_back(text1);
+  root.children.push_back(button1);
+  root.children.push_back(text2);
+  root.children.push_back(link1);
+
+  CountedBrowserAccessibility::global_obj_count_ = 0;
+  BrowserAccessibilityManager* manager = BrowserAccessibilityManager::Create(
+      GetDesktopWindow(), root, NULL,
+      new CountedBrowserAccessibilityFactory());
+  ASSERT_EQ(7, CountedBrowserAccessibility::global_obj_count_);
+
+  BrowserAccessibilityWin* root_obj =
+      manager->GetRoot()->toBrowserAccessibilityWin();
+
+  BSTR text;
+
+  long text_len;
+  ASSERT_EQ(S_OK, root_obj->get_nCharacters(&text_len));
+
+  ASSERT_EQ(S_OK, root_obj->get_text(0, text_len, &text));
+  const string16 embed = BrowserAccessibilityWin::kEmbeddedCharacter;
+  EXPECT_EQ(text, text1.name + embed + text2.name + embed);
+  SysFreeString(text);
+
+  long hyperlink_count;
+  ASSERT_EQ(S_OK, root_obj->get_nHyperlinks(&hyperlink_count));
+  EXPECT_EQ(2, hyperlink_count);
+
+  base::win::ScopedComPtr<IAccessibleHyperlink> hyperlink;
+  base::win::ScopedComPtr<IAccessibleText> hypertext;
+  EXPECT_EQ(E_FAIL, root_obj->get_hyperlink(-1, hyperlink.Receive()));
+  EXPECT_EQ(E_FAIL, root_obj->get_hyperlink(0, hyperlink.Receive()));

[dmazzoni, 2011/11/01 05:08:34]

I think this should return success - the docs say that get_hyperlink is a
0-based index relative to the number of hyperlinks. To put it another way, it's
an index, not an arbitrary ID.

[David Tseng, 2011/11/01 19:38:04]

Done.

+  EXPECT_EQ(E_FAIL, root_obj->get_hyperlink(28, hyperlink.Receive()));
+  EXPECT_EQ(E_FAIL, root_obj->get_hyperlink(-1, hyperlink.Receive()));
+
+  EXPECT_EQ(S_OK, root_obj->get_hyperlink(14, hyperlink.Receive()));
+  EXPECT_EQ(S_OK,
+            hyperlink.QueryInterface<IAccessibleText>(hypertext.Receive()));
+  EXPECT_EQ(S_OK, hypertext->get_text(0, 3, &text));
+  EXPECT_EQ(text, string16(L"red"));
+  SysFreeString(text);
+  hyperlink.Release();
+  hypertext.Release();
+
+  EXPECT_EQ(S_OK, root_obj->get_hyperlink(30, hyperlink.Receive()));
+  EXPECT_EQ(S_OK,
+            hyperlink.QueryInterface<IAccessibleText>(hypertext.Receive()));
+  EXPECT_EQ(S_OK, hypertext->get_text(0, 4, &text));
+  EXPECT_EQ(text, string16(L"blue"));
+  SysFreeString(text);
+  hyperlink.Release();
+  hypertext.Release();
+
+  long hyperlink_index;
+  EXPECT_EQ(E_FAIL, root_obj->get_hyperlinkIndex(0, &hyperlink_index));
+  EXPECT_EQ(-1, hyperlink_index);
+  EXPECT_EQ(E_FAIL, root_obj->get_hyperlinkIndex(28, &hyperlink_index));
+  EXPECT_EQ(-1, hyperlink_index);
+  EXPECT_EQ(S_OK, root_obj->get_hyperlinkIndex(14, &hyperlink_index));
+  EXPECT_EQ(14, hyperlink_index);
+  EXPECT_EQ(S_OK, root_obj->get_hyperlinkIndex(30, &hyperlink_index));
+  EXPECT_EQ(30, hyperlink_index);
+
+  // Delete the manager and test that all BrowserAccessibility instances are
+  // deleted.
+  delete manager;
+  ASSERT_EQ(0, CountedBrowserAccessibility::global_obj_count_);
+}