Move a bunch of accessibility tests in chrome that have no chrome dependencies to content. We wan...

chrome/browser/accessibility/browser_accessibility_win_unittest.cc

Index: chrome/browser/accessibility/browser_accessibility_win_unittest.cc
===================================================================
--- chrome/browser/accessibility/browser_accessibility_win_unittest.cc	(revision 112878)
+++ chrome/browser/accessibility/browser_accessibility_win_unittest.cc	(working copy)
@@ -1,367 +0,0 @@
-// 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"
-#include "ui/base/win/atl_module.h"
-
-using webkit_glue::WebAccessibility;
-
-namespace {
-
-// Subclass of BrowserAccessibilityWin that counts the number of instances.
-class CountedBrowserAccessibility : public BrowserAccessibilityWin {
- public:
-  CountedBrowserAccessibility() { global_obj_count_++; }
-  virtual ~CountedBrowserAccessibility() { global_obj_count_--; }
-  static int global_obj_count_;
-};
-
-int CountedBrowserAccessibility::global_obj_count_ = 0;
-
-// Factory that creates a CountedBrowserAccessibility.
-class CountedBrowserAccessibilityFactory
-    : public BrowserAccessibilityFactory {
- public:
-  virtual ~CountedBrowserAccessibilityFactory() {}
-  virtual BrowserAccessibility* Create() {
-    CComObject<CountedBrowserAccessibility>* instance;
-    HRESULT hr = CComObject<CountedBrowserAccessibility>::CreateInstance(
-        &instance);
-    DCHECK(SUCCEEDED(hr));
-    instance->AddRef();
-    return instance;
-  }
-};
-
-}  // anonymous namespace
-
-VARIANT CreateI4Variant(LONG value) {
-  VARIANT variant = {0};
-
-  V_VT(&variant) = VT_I4;
-  V_I4(&variant) = value;
-
-  return variant;
-}
-
-class BrowserAccessibilityTest : public testing::Test {
- protected:
-  virtual void SetUp() {
-    ui::win::CreateATLModuleIfNeeded();
-    ::CoInitialize(NULL);
-  }
-
-  virtual void TearDown() {
-    ::CoUninitialize();
-  }
-};
-
-// Test that BrowserAccessibilityManager correctly releases the tree of
-// BrowserAccessibility instances upon delete.
-TEST_F(BrowserAccessibilityTest, TestNoLeaks) {
-  // Create WebAccessibility objects for a simple document tree,
-  // representing the accessibility information used to initialize
-  // BrowserAccessibilityManager.
-  WebAccessibility button;
-  button.id = 2;
-  button.name = L"Button";
-  button.role = WebAccessibility::ROLE_BUTTON;
-  button.state = 0;
-
-  WebAccessibility checkbox;
-  checkbox.id = 3;
-  checkbox.name = L"Checkbox";
-  checkbox.role = WebAccessibility::ROLE_CHECKBOX;
-  checkbox.state = 0;
-
-  WebAccessibility root;
-  root.id = 1;
-  root.name = L"Document";
-  root.role = WebAccessibility::ROLE_DOCUMENT;
-  root.state = 0;
-  root.children.push_back(button);
-  root.children.push_back(checkbox);
-
-  // Construct a BrowserAccessibilityManager with this WebAccessibility tree
-  // and a factory for an instance-counting BrowserAccessibility, and ensure
-  // that exactly 3 instances were created. Note that the manager takes
-  // ownership of the factory.
-  CountedBrowserAccessibility::global_obj_count_ = 0;
-  BrowserAccessibilityManager* manager =
-      BrowserAccessibilityManager::Create(
-          GetDesktopWindow(),
-          root,
-          NULL,
-          new CountedBrowserAccessibilityFactory());
-  ASSERT_EQ(3, CountedBrowserAccessibility::global_obj_count_);
-
-  // Delete the manager and test that all 3 instances are deleted.
-  delete manager;
-  ASSERT_EQ(0, CountedBrowserAccessibility::global_obj_count_);
-
-  // Construct a manager again, and this time use the IAccessible interface
-  // to get new references to two of the three nodes in the tree.
-  manager =
-      BrowserAccessibilityManager::Create(
-          GetDesktopWindow(),
-          root,
-          NULL,
-          new CountedBrowserAccessibilityFactory());
-  ASSERT_EQ(3, CountedBrowserAccessibility::global_obj_count_);
-  IAccessible* root_accessible =
-      manager->GetRoot()->toBrowserAccessibilityWin();
-  IDispatch* root_iaccessible = NULL;
-  IDispatch* child1_iaccessible = NULL;
-  VARIANT var_child;
-  var_child.vt = VT_I4;
-  var_child.lVal = CHILDID_SELF;
-  HRESULT hr = root_accessible->get_accChild(var_child, &root_iaccessible);
-  ASSERT_EQ(S_OK, hr);
-  var_child.lVal = 1;
-  hr = root_accessible->get_accChild(var_child, &child1_iaccessible);
-  ASSERT_EQ(S_OK, hr);
-
-  // Now delete the manager, and only one of the three nodes in the tree
-  // should be released.
-  delete manager;
-  ASSERT_EQ(2, CountedBrowserAccessibility::global_obj_count_);
-
-  // Release each of our references and make sure that each one results in
-  // the instance being deleted as its reference count hits zero.
-  root_iaccessible->Release();
-  ASSERT_EQ(1, CountedBrowserAccessibility::global_obj_count_);
-  child1_iaccessible->Release();
-  ASSERT_EQ(0, CountedBrowserAccessibility::global_obj_count_);
-}
-
-TEST_F(BrowserAccessibilityTest, TestChildrenChange) {
-  // Create WebAccessibility objects for a simple document tree,
-  // representing the accessibility information used to initialize
-  // BrowserAccessibilityManager.
-  WebAccessibility text;
-  text.id = 2;
-  text.role = WebAccessibility::ROLE_STATIC_TEXT;
-  text.name = L"old text";
-  text.state = 0;
-
-  WebAccessibility root;
-  root.id = 1;
-  root.name = L"Document";
-  root.role = WebAccessibility::ROLE_DOCUMENT;
-  root.state = 0;
-  root.children.push_back(text);
-
-  // Construct a BrowserAccessibilityManager with this WebAccessibility tree
-  // and a factory for an instance-counting BrowserAccessibility.
-  CountedBrowserAccessibility::global_obj_count_ = 0;
-  BrowserAccessibilityManager* manager =
-      BrowserAccessibilityManager::Create(
-          GetDesktopWindow(),
-          root,
-          NULL,
-          new CountedBrowserAccessibilityFactory());
-
-  // Query for the text IAccessible and verify that it returns "old text" as its
-  // value.
-  base::win::ScopedComPtr<IDispatch> text_dispatch;
-  HRESULT hr = manager->GetRoot()->toBrowserAccessibilityWin()->get_accChild(
-      CreateI4Variant(1), text_dispatch.Receive());
-  ASSERT_EQ(S_OK, hr);
-
-  base::win::ScopedComPtr<IAccessible> text_accessible;
-  hr = text_dispatch.QueryInterface(text_accessible.Receive());
-  ASSERT_EQ(S_OK, hr);
-
-  CComBSTR name;
-  hr = text_accessible->get_accName(CreateI4Variant(CHILDID_SELF), &name);
-  ASSERT_EQ(S_OK, hr);
-  EXPECT_STREQ(L"old text", name.m_str);
-
-  text_dispatch.Release();
-  text_accessible.Release();
-
-  // Notify the BrowserAccessibilityManager that the text child has changed.
-  text.name = L"new text";
-  ViewHostMsg_AccessibilityNotification_Params param;
-  param.notification_type = ViewHostMsg_AccEvent::CHILDREN_CHANGED;
-  param.acc_tree = text;
-  param.includes_children = true;
-  param.id = text.id;
-  std::vector<ViewHostMsg_AccessibilityNotification_Params> notifications;
-  notifications.push_back(param);
-  manager->OnAccessibilityNotifications(notifications);
-
-  // Query for the text IAccessible and verify that it now returns "new text"
-  // as its value.
-  hr = manager->GetRoot()->toBrowserAccessibilityWin()->get_accChild(
-      CreateI4Variant(1),
-      text_dispatch.Receive());
-  ASSERT_EQ(S_OK, hr);
-
-  hr = text_dispatch.QueryInterface(text_accessible.Receive());
-  ASSERT_EQ(S_OK, hr);
-
-  hr = text_accessible->get_accName(CreateI4Variant(CHILDID_SELF), &name);
-  ASSERT_EQ(S_OK, hr);
-  EXPECT_STREQ(L"new text", name.m_str);
-
-  text_dispatch.Release();
-  text_accessible.Release();
-
-  // Delete the manager and test that all BrowserAccessibility instances are
-  // deleted.
-  delete manager;
-  ASSERT_EQ(0, CountedBrowserAccessibility::global_obj_count_);
-}
-
-TEST_F(BrowserAccessibilityTest, TestChildrenChangeNoLeaks) {
-  // Create WebAccessibility objects for a simple document tree,
-  // representing the accessibility information used to initialize
-  // BrowserAccessibilityManager.
-  WebAccessibility text;
-  text.id = 3;
-  text.role = WebAccessibility::ROLE_STATIC_TEXT;
-  text.state = 0;
-
-  WebAccessibility div;
-  div.id = 2;
-  div.role = WebAccessibility::ROLE_GROUP;
-  div.state = 0;
-
-  div.children.push_back(text);
-  text.id = 4;
-  div.children.push_back(text);
-
-  WebAccessibility root;
-  root.id = 1;
-  root.role = WebAccessibility::ROLE_DOCUMENT;
-  root.state = 0;
-  root.children.push_back(div);
-
-  // Construct a BrowserAccessibilityManager with this WebAccessibility tree
-  // and a factory for an instance-counting BrowserAccessibility and ensure
-  // that exactly 4 instances were created. Note that the manager takes
-  // ownership of the factory.
-  CountedBrowserAccessibility::global_obj_count_ = 0;
-  BrowserAccessibilityManager* manager =
-      BrowserAccessibilityManager::Create(
-          GetDesktopWindow(),
-          root,
-          NULL,
-          new CountedBrowserAccessibilityFactory());
-  ASSERT_EQ(4, CountedBrowserAccessibility::global_obj_count_);
-
-  // Notify the BrowserAccessibilityManager that the div node and its children
-  // were removed and ensure that only one BrowserAccessibility instance exists.
-  root.children.clear();
-  ViewHostMsg_AccessibilityNotification_Params param;
-  param.notification_type = ViewHostMsg_AccEvent::CHILDREN_CHANGED;
-  param.acc_tree = root;
-  param.includes_children = true;
-  param.id = root.id;
-  std::vector<ViewHostMsg_AccessibilityNotification_Params> notifications;
-  notifications.push_back(param);
-  manager->OnAccessibilityNotifications(notifications);
-  ASSERT_EQ(1, CountedBrowserAccessibility::global_obj_count_);
-
-  // Delete the manager and test that all BrowserAccessibility instances are
-  // deleted.
-  delete manager;
-  ASSERT_EQ(0, CountedBrowserAccessibility::global_obj_count_);
-}
-
-TEST_F(BrowserAccessibilityTest, TestTextBoundaries) {
-  WebAccessibility text1;
-  text1.id = 11;
-  text1.role = WebAccessibility::ROLE_TEXT_FIELD;
-  text1.state = 0;
-  text1.value = L"One two three.\nFour five six.";
-  text1.line_breaks.push_back(15);
-
-  WebAccessibility root;
-  root.id = 1;
-  root.role = WebAccessibility::ROLE_DOCUMENT;
-  root.state = 0;
-  root.children.push_back(text1);
-
-  CountedBrowserAccessibility::global_obj_count_ = 0;
-  BrowserAccessibilityManager* manager = BrowserAccessibilityManager::Create(
-      GetDesktopWindow(), root, NULL,
-      new CountedBrowserAccessibilityFactory());
-  ASSERT_EQ(2, CountedBrowserAccessibility::global_obj_count_);
-
-  BrowserAccessibilityWin* root_obj =
-      manager->GetRoot()->toBrowserAccessibilityWin();
-  BrowserAccessibilityWin* text1_obj =
-      root_obj->GetChild(0)->toBrowserAccessibilityWin();
-
-  BSTR text;
-  long start;
-  long end;
-
-  long text1_len;
-  ASSERT_EQ(S_OK, text1_obj->get_nCharacters(&text1_len));
-
-  ASSERT_EQ(S_OK, text1_obj->get_text(0, text1_len, &text));
-  ASSERT_EQ(text, text1.value);
-  SysFreeString(text);
-
-  ASSERT_EQ(S_OK, text1_obj->get_text(0, 4, &text));
-  ASSERT_EQ(text, string16(L"One "));
-  SysFreeString(text);
-
-  ASSERT_EQ(S_OK, text1_obj->get_textAtOffset(
-      1, IA2_TEXT_BOUNDARY_CHAR, &start, &end, &text));
-  ASSERT_EQ(start, 1);
-  ASSERT_EQ(end, 2);
-  ASSERT_EQ(text, string16(L"n"));
-  SysFreeString(text);
-
-  ASSERT_EQ(S_FALSE, text1_obj->get_textAtOffset(
-      text1_len, IA2_TEXT_BOUNDARY_CHAR, &start, &end, &text));
-  ASSERT_EQ(start, text1_len);
-  ASSERT_EQ(end, text1_len);
-
-  ASSERT_EQ(S_OK, text1_obj->get_textAtOffset(
-      1, IA2_TEXT_BOUNDARY_WORD, &start, &end, &text));
-  ASSERT_EQ(start, 0);
-  ASSERT_EQ(end, 3);
-  ASSERT_EQ(text, string16(L"One"));
-  SysFreeString(text);
-
-  ASSERT_EQ(S_OK, text1_obj->get_textAtOffset(
-      6, IA2_TEXT_BOUNDARY_WORD, &start, &end, &text));
-  ASSERT_EQ(start, 4);
-  ASSERT_EQ(end, 7);
-  ASSERT_EQ(text, string16(L"two"));
-  SysFreeString(text);
-
-  ASSERT_EQ(S_OK, text1_obj->get_textAtOffset(
-      text1_len, IA2_TEXT_BOUNDARY_WORD, &start, &end, &text));
-  ASSERT_EQ(start, 25);
-  ASSERT_EQ(end, 29);
-  ASSERT_EQ(text, string16(L"six."));
-  SysFreeString(text);
-
-  ASSERT_EQ(S_OK, text1_obj->get_textAtOffset(
-      1, IA2_TEXT_BOUNDARY_LINE, &start, &end, &text));
-  ASSERT_EQ(start, 0);
-  ASSERT_EQ(end, 15);
-  ASSERT_EQ(text, string16(L"One two three.\n"));
-  SysFreeString(text);
-
-  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_);
-}