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chromium/chromium/src/1da5867d0714dac9c2c53290f74e80af6c34ab3e/./ui/accessibility/platform/browser_accessibility_win_unittest.cc
blob: 39543eac9726cd05fc03ccb454220f169dab33bb [file]
// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/accessibility/platform/browser_accessibility_win.h"
#include <objbase.h>
#include <stdint.h>
#include <wrl/client.h>
#include <memory>
#include <string>
#include <utility>
#include <vector>
#include "base/command_line.h"
#include "base/strings/utf_string_conversions.h"
#include "base/test/task_environment.h"
#include "base/win/scoped_bstr.h"
#include "base/win/scoped_variant.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/accessibility/ax_node_data.h"
#include "ui/accessibility/platform/ax_platform.h"
#include "ui/accessibility/platform/ax_platform_node_win.h"
#include "ui/accessibility/platform/browser_accessibility_manager.h"
#include "ui/accessibility/platform/browser_accessibility_manager_win.h"
#include "ui/accessibility/platform/test_ax_node_id_delegate.h"
#include "ui/accessibility/platform/test_ax_platform_tree_manager_delegate.h"
#include "ui/base/win/atl_module.h"
namespace ui {
#define EXPECT_IA2_TEXT_AT_OFFSET(provider, index, text_boundary, expected_hr, \
start, end, text) \
{ \
LONG actual_start; \
LONG actual_end; \
base::win::ScopedBstr actual_text; \
EXPECT_EQ(expected_hr, \
provider->get_textAtOffset(index, text_boundary, &actual_start, \
&actual_end, actual_text.Receive())); \
EXPECT_EQ(start, actual_start); \
EXPECT_EQ(end, actual_end); \
EXPECT_STREQ(text, actual_text.Get()); \
}
#define EXPECT_IA2_TEXT_BEFORE_OFFSET(provider, index, text_boundary, \
expected_hr, start, end, text) \
{ \
LONG actual_start; \
LONG actual_end; \
base::win::ScopedBstr actual_text; \
EXPECT_EQ(expected_hr, provider->get_textBeforeOffset( \
index, text_boundary, &actual_start, \
&actual_end, actual_text.Receive())); \
EXPECT_EQ(start, actual_start); \
EXPECT_EQ(end, actual_end); \
EXPECT_STREQ(text, actual_text.Get()); \
}
#define EXPECT_IA2_TEXT_AFTER_OFFSET(provider, index, text_boundary, \
expected_hr, start, end, text) \
{ \
LONG actual_start; \
LONG actual_end; \
base::win::ScopedBstr actual_text; \
EXPECT_EQ(expected_hr, provider->get_textAfterOffset( \
index, text_boundary, &actual_start, \
&actual_end, actual_text.Receive())); \
EXPECT_EQ(start, actual_start); \
EXPECT_EQ(end, actual_end); \
EXPECT_STREQ(text, actual_text.Get()); \
}
#define EXPECT_NATIVE_VIEW_ACCESSIBLE_VECTOR_EQ(descendants, \
expected_descendants) \
{ \
size_t count = descendants.size(); \
EXPECT_EQ(count, expected_descendants.size()); \
for (size_t i = 0; i < count; ++i) { \
EXPECT_EQ( \
AXPlatformNode::FromNativeViewAccessible(descendants[i]) \
->GetDelegate() \
->GetData() \
.ToString(), \
AXPlatformNode::FromNativeViewAccessible(expected_descendants[i]) \
->GetDelegate() \
->GetData() \
.ToString()); \
} \
}
// BrowserAccessibilityWinTest ------------------------------------------------
class BrowserAccessibilityWinTest : public ::testing::Test {
public:
BrowserAccessibilityWinTest();
BrowserAccessibilityWinTest(const BrowserAccessibilityWinTest&) = delete;
BrowserAccessibilityWinTest& operator=(const BrowserAccessibilityWinTest&) =
delete;
~BrowserAccessibilityWinTest() override;
protected:
std::unique_ptr<TestAXPlatformTreeManagerDelegate>
test_browser_accessibility_delegate_;
TestAXNodeIdDelegate node_id_delegate_;
private:
void SetUp() override;
base::test::SingleThreadTaskEnvironment task_environment_;
};
BrowserAccessibilityWinTest::BrowserAccessibilityWinTest() {}
BrowserAccessibilityWinTest::~BrowserAccessibilityWinTest() {}
void BrowserAccessibilityWinTest::SetUp() {
win::CreateATLModuleIfNeeded();
test_browser_accessibility_delegate_ =
std::make_unique<TestAXPlatformTreeManagerDelegate>();
}
// Actual tests ---------------------------------------------------------------
// Test that BrowserAccessibilityManager correctly releases the tree of
// BrowserAccessibility instances upon delete.
TEST_F(BrowserAccessibilityWinTest, TestNoLeaks) {
// Create AXNodeData objects for a simple document tree,
// representing the accessibility information used to initialize
// BrowserAccessibilityManager.
AXNodeData button;
button.id = 2;
button.role = ax::mojom::Role::kButton;
button.SetName("Button");
AXNodeData checkbox;
checkbox.id = 3;
checkbox.role = ax::mojom::Role::kCheckBox;
checkbox.SetName("Checkbox");
AXNodeData root;
root.id = 1;
root.role = ax::mojom::Role::kRootWebArea;
root.SetName("Document");
root.child_ids.push_back(2);
root.child_ids.push_back(3);
// Construct a BrowserAccessibilityManager with this
// AXNodeData 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.
std::unique_ptr<BrowserAccessibilityManager> manager(
BrowserAccessibilityManager::Create(
MakeAXTreeUpdateForTesting(root, button, checkbox), node_id_delegate_,
test_browser_accessibility_delegate_.get()));
// Delete the manager and test that all 3 instances are deleted.
manager.reset();
// 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.reset(BrowserAccessibilityManager::Create(
MakeAXTreeUpdateForTesting(root, button, checkbox), node_id_delegate_,
test_browser_accessibility_delegate_.get()));
IAccessible* root_accessible =
ToBrowserAccessibilityWin(manager->GetBrowserAccessibilityRoot())
->GetCOM();
IDispatch* root_iaccessible = NULL;
IDispatch* child1_iaccessible = NULL;
base::win::ScopedVariant childid_self(CHILDID_SELF);
HRESULT hr = root_accessible->get_accChild(childid_self, &root_iaccessible);
ASSERT_EQ(S_OK, hr);
base::win::ScopedVariant one(1);
hr = root_accessible->get_accChild(one, &child1_iaccessible);
ASSERT_EQ(S_OK, hr);
// Now delete the manager, and only one of the three nodes in the tree
// should be released.
manager.reset();
// 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();
child1_iaccessible->Release();
}
TEST_F(BrowserAccessibilityWinTest, TestChildrenChange) {
// Create AXNodeData objects for a simple document tree,
// representing the accessibility information used to initialize
// BrowserAccessibilityManager.
AXNodeData text;
text.id = 2;
text.role = ax::mojom::Role::kStaticText;
text.SetName("old text");
AXNodeData root;
root.id = 1;
root.role = ax::mojom::Role::kRootWebArea;
root.SetName("Document");
root.child_ids.push_back(2);
// Construct a BrowserAccessibilityManager with this
// AXNodeData tree and a factory for an instance-counting
// BrowserAccessibility.
std::unique_ptr<BrowserAccessibilityManager> manager(
BrowserAccessibilityManager::Create(
MakeAXTreeUpdateForTesting(root, text), node_id_delegate_,
test_browser_accessibility_delegate_.get()));
// Query for the text IAccessible and verify that it returns "old text" as its
// value.
base::win::ScopedVariant one(1);
Microsoft::WRL::ComPtr<IDispatch> text_dispatch;
HRESULT hr = ToBrowserAccessibilityWin(manager->GetBrowserAccessibilityRoot())
->GetCOM()
->get_accChild(one, &text_dispatch);
ASSERT_EQ(S_OK, hr);
Microsoft::WRL::ComPtr<IAccessible> text_accessible;
hr = text_dispatch.As(&text_accessible);
ASSERT_EQ(S_OK, hr);
base::win::ScopedVariant childid_self(CHILDID_SELF);
base::win::ScopedBstr name;
hr = text_accessible->get_accName(childid_self, name.Receive());
ASSERT_EQ(S_OK, hr);
EXPECT_EQ(L"old text", std::wstring(name.Get()));
name.Reset();
text_dispatch.Reset();
text_accessible.Reset();
// Notify the BrowserAccessibilityManager that the text child has changed.
AXNodeData text2;
text2.id = 2;
text2.role = ax::mojom::Role::kStaticText;
text2.SetName("new text");
AXUpdatesAndEvents event_bundle;
event_bundle.updates.resize(1);
event_bundle.updates[0].nodes.push_back(text2);
ASSERT_TRUE(manager->OnAccessibilityEvents(event_bundle));
// Query for the text IAccessible and verify that it now returns "new text"
// as its value.
hr = ToBrowserAccessibilityWin(manager->GetBrowserAccessibilityRoot())
->GetCOM()
->get_accChild(one, &text_dispatch);
ASSERT_EQ(S_OK, hr);
hr = text_dispatch.As(&text_accessible);
ASSERT_EQ(S_OK, hr);
hr = text_accessible->get_accName(childid_self, name.Receive());
ASSERT_EQ(S_OK, hr);
EXPECT_EQ(L"new text", std::wstring(name.Get()));
text_dispatch.Reset();
text_accessible.Reset();
// Delete the manager and test that all BrowserAccessibility instances are
// deleted.
manager.reset();
}
TEST_F(BrowserAccessibilityWinTest, TestChildrenChangeNoLeaks) {
// Create AXNodeData objects for a simple document tree,
// representing the accessibility information used to initialize
// BrowserAccessibilityManager.
AXNodeData div;
div.id = 2;
div.role = ax::mojom::Role::kGroup;
AXNodeData text3;
text3.id = 3;
text3.role = ax::mojom::Role::kStaticText;
AXNodeData text4;
text4.id = 4;
text4.role = ax::mojom::Role::kStaticText;
div.child_ids.push_back(3);
div.child_ids.push_back(4);
AXNodeData root;
root.id = 1;
root.role = ax::mojom::Role::kRootWebArea;
root.child_ids.push_back(2);
// Construct a BrowserAccessibilityManager with this
// AXNodeData 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.
std::unique_ptr<BrowserAccessibilityManager> manager(
BrowserAccessibilityManager::Create(
MakeAXTreeUpdateForTesting(root, div, text3, text4),
node_id_delegate_, test_browser_accessibility_delegate_.get()));
// Notify the BrowserAccessibilityManager that the div node and its children
// were removed and ensure that only one BrowserAccessibility instance exists.
root.child_ids.clear();
AXUpdatesAndEvents event_bundle;
event_bundle.updates.resize(1);
event_bundle.updates[0].nodes.push_back(root);
ASSERT_TRUE(manager->OnAccessibilityEvents(event_bundle));
// Delete the manager and test that all BrowserAccessibility instances are
// deleted.
manager.reset();
}
TEST_F(BrowserAccessibilityWinTest, TestTextBoundaries) {
//
// +-1 root
// +-2 text_field
// +-3 text_container
// +-4 static_text1 "One two three."
// | +-5 inline_box1 "One two three."
// +-6 line_break1 "\n"
// +-7 static_text2 "Four five six."
// | +-8 inline_box2 "Four five six."
// +-9 line_break2 "\n" kIsLineBreakingObject
// +-10 static_text3 "Seven eight nine."
// +-11 inline_box3 "Seven eight nine."
//
std::string line1 = "One two three.";
std::string line2 = "Four five six.";
std::string line3 = "Seven eight nine.";
std::string text_value = line1 + '\n' + line2 + '\n' + line3;
AXNodeData root;
root.id = 1;
AXNodeData text_field;
text_field.id = 2;
AXNodeData text_container;
text_container.id = 3;
AXNodeData static_text1;
static_text1.id = 4;
AXNodeData inline_box1;
inline_box1.id = 5;
AXNodeData line_break1;
line_break1.id = 6;
AXNodeData static_text2;
static_text2.id = 7;
AXNodeData inline_box2;
inline_box2.id = 8;
AXNodeData line_break2;
line_break2.id = 9;
AXNodeData static_text3;
static_text3.id = 10;
AXNodeData inline_box3;
inline_box3.id = 11;
root.role = ax::mojom::Role::kRootWebArea;
root.child_ids = {text_field.id};
text_field.role = ax::mojom::Role::kTextField;
text_field.AddState(ax::mojom::State::kEditable);
text_field.AddStringAttribute(ax::mojom::StringAttribute::kHtmlTag, "input");
text_field.AddStringAttribute(ax::mojom::StringAttribute::kInputType, "text");
text_field.SetValue(text_value);
text_field.AddIntListAttribute(ax::mojom::IntListAttribute::kLineStarts,
{15});
text_field.child_ids = {text_container.id};
text_container.role = ax::mojom::Role::kGenericContainer;
text_container.child_ids = {static_text1.id, line_break1.id, static_text2.id,
line_break2.id, static_text3.id};
static_text1.role = ax::mojom::Role::kStaticText;
static_text1.AddState(ax::mojom::State::kEditable);
static_text1.SetName(line1);
static_text1.child_ids = {inline_box1.id};
inline_box1.role = ax::mojom::Role::kInlineTextBox;
inline_box1.AddState(ax::mojom::State::kEditable);
inline_box1.SetName(line1);
inline_box1.AddIntListAttribute(ax::mojom::IntListAttribute::kWordStarts,
{0, 4, 8});
line_break1.role = ax::mojom::Role::kLineBreak;
line_break1.AddState(ax::mojom::State::kEditable);
line_break1.SetName("\n");
inline_box1.AddIntAttribute(ax::mojom::IntAttribute::kNextOnLineId,
line_break1.id);
line_break1.AddIntAttribute(ax::mojom::IntAttribute::kPreviousOnLineId,
inline_box1.id);
static_text2.role = ax::mojom::Role::kStaticText;
static_text2.AddState(ax::mojom::State::kEditable);
static_text2.SetName(line2);
static_text2.child_ids = {inline_box2.id};
inline_box2.role = ax::mojom::Role::kInlineTextBox;
inline_box2.AddState(ax::mojom::State::kEditable);
inline_box2.SetName(line2);
inline_box2.AddIntListAttribute(ax::mojom::IntListAttribute::kWordStarts,
{0, 5, 10});
line_break2.role = ax::mojom::Role::kLineBreak;
line_break2.AddState(ax::mojom::State::kEditable);
line_break2.SetName("\n");
line_break2.AddBoolAttribute(ax::mojom::BoolAttribute::kIsLineBreakingObject,
true);
inline_box2.AddIntAttribute(ax::mojom::IntAttribute::kNextOnLineId,
line_break2.id);
line_break2.AddIntAttribute(ax::mojom::IntAttribute::kPreviousOnLineId,
inline_box2.id);
static_text3.role = ax::mojom::Role::kStaticText;
static_text3.AddState(ax::mojom::State::kEditable);
static_text3.SetName(line3);
static_text3.child_ids = {inline_box3.id};
inline_box3.role = ax::mojom::Role::kInlineTextBox;
inline_box3.AddState(ax::mojom::State::kEditable);
inline_box3.SetName(line3);
inline_box3.AddIntListAttribute(ax::mojom::IntListAttribute::kWordStarts,
{0, 6, 12});
std::unique_ptr<BrowserAccessibilityManager> manager(
BrowserAccessibilityManager::Create(
MakeAXTreeUpdateForTesting(root, text_field, text_container,
static_text1, inline_box1, line_break1,
static_text2, inline_box2, line_break2,
static_text3, inline_box3),
node_id_delegate_, test_browser_accessibility_delegate_.get()));
BrowserAccessibilityWin* root_obj =
ToBrowserAccessibilityWin(manager->GetBrowserAccessibilityRoot());
ASSERT_NE(nullptr, root_obj);
ASSERT_EQ(1U, root_obj->PlatformChildCount());
BrowserAccessibilityComWin* text_field_obj =
ToBrowserAccessibilityComWin(root_obj->PlatformGetChild(0));
ASSERT_NE(nullptr, text_field_obj);
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::WideToUTF8(std::wstring(text.Get())));
text.Reset();
EXPECT_EQ(S_OK, text_field_obj->get_text(0, 4, text.Receive()));
EXPECT_STREQ(L"One ", text.Get());
text.Reset();
EXPECT_IA2_TEXT_AT_OFFSET(text_field_obj, 1, IA2_TEXT_BOUNDARY_CHAR,
/*expected_hr=*/S_OK, /*start=*/1, /*end=*/2,
/*text=*/L"n");
EXPECT_IA2_TEXT_AT_OFFSET(text_field_obj, text_len, IA2_TEXT_BOUNDARY_CHAR,
/*expected_hr=*/E_INVALIDARG, /*start=*/0,
/*end=*/0,
/*text=*/nullptr);
EXPECT_IA2_TEXT_AT_OFFSET(text_field_obj, text_len, IA2_TEXT_BOUNDARY_WORD,
/*expected_hr=*/E_INVALIDARG, /*start=*/0,
/*end=*/0,
/*text=*/nullptr);
EXPECT_IA2_TEXT_AT_OFFSET(text_field_obj, 1, IA2_TEXT_BOUNDARY_WORD,
/*expected_hr=*/S_OK, /*start=*/0, /*end=*/4,
/*text=*/L"One ");
EXPECT_IA2_TEXT_AT_OFFSET(text_field_obj, 6, IA2_TEXT_BOUNDARY_WORD,
/*expected_hr=*/S_OK, /*start=*/4, /*end=*/8,
/*text=*/L"two ");
EXPECT_IA2_TEXT_AT_OFFSET(text_field_obj, text_len - 1,
IA2_TEXT_BOUNDARY_WORD,
/*expected_hr=*/S_OK, /*start=*/42, /*end=*/47,
/*text=*/L"nine.");
EXPECT_IA2_TEXT_AT_OFFSET(text_field_obj, 1, IA2_TEXT_BOUNDARY_LINE,
/*expected_hr=*/S_OK, /*start=*/0, /*end=*/15,
/*text=*/L"One two three.\n");
EXPECT_IA2_TEXT_AT_OFFSET(text_field_obj, text_len, IA2_TEXT_BOUNDARY_LINE,
/*expected_hr=*/S_OK, /*start=*/30, /*end=*/47,
/*text=*/L"Seven eight nine.");
EXPECT_IA2_TEXT_AT_OFFSET(text_field_obj, 1, IA2_TEXT_BOUNDARY_PARAGRAPH,
/*expected_hr=*/S_OK, /*start=*/0, /*end=*/15,
/*text=*/L"One two three.\n");
EXPECT_IA2_TEXT_AT_OFFSET(text_field_obj, 29, IA2_TEXT_BOUNDARY_PARAGRAPH,
/*expected_hr=*/S_OK, /*start=*/15, /*end=*/30,
/*text=*/L"Four five six.\n");
EXPECT_IA2_TEXT_AT_OFFSET(text_field_obj, 30, IA2_TEXT_BOUNDARY_PARAGRAPH,
/*expected_hr=*/S_OK, /*start=*/30, /*end=*/47,
/*text=*/L"Seven eight nine.");
EXPECT_IA2_TEXT_AT_OFFSET(text_field_obj, text_len - 1,
IA2_TEXT_BOUNDARY_PARAGRAPH,
/*expected_hr=*/S_OK, /*start=*/30, /*end=*/47,
/*text=*/L"Seven eight nine.");
EXPECT_IA2_TEXT_AT_OFFSET(text_field_obj, text_len,
IA2_TEXT_BOUNDARY_PARAGRAPH,
/*expected_hr=*/E_INVALIDARG, /*start=*/0,
/*end=*/0,
/*text=*/nullptr);
EXPECT_IA2_TEXT_BEFORE_OFFSET(text_field_obj, 0, IA2_TEXT_BOUNDARY_CHAR,
/*expected_hr=*/S_FALSE, /*start=*/0, /*end=*/0,
/*text=*/nullptr);
EXPECT_IA2_TEXT_BEFORE_OFFSET(text_field_obj, 1, IA2_TEXT_BOUNDARY_CHAR,
/*expected_hr=*/S_OK, /*start=*/0, /*end=*/1,
/*text=*/L"O");
EXPECT_IA2_TEXT_BEFORE_OFFSET(
text_field_obj, text_len, IA2_TEXT_BOUNDARY_CHAR,
/*expected_hr=*/E_INVALIDARG, /*start=*/0, /*end=*/0,
/*text=*/nullptr);
EXPECT_IA2_TEXT_BEFORE_OFFSET(
text_field_obj, text_len, IA2_TEXT_BOUNDARY_WORD,
/*expected_hr=*/E_INVALIDARG, /*start=*/0, /*end=*/0,
/*text=*/nullptr);
EXPECT_IA2_TEXT_BEFORE_OFFSET(text_field_obj, 1, IA2_TEXT_BOUNDARY_WORD,
/*expected_hr=*/S_FALSE, /*start=*/0, /*end=*/0,
/*text=*/nullptr);
EXPECT_IA2_TEXT_BEFORE_OFFSET(text_field_obj, 4, IA2_TEXT_BOUNDARY_WORD,
/*expected_hr=*/S_OK, /*start=*/0, /*end=*/4,
/*text=*/L"One ");
EXPECT_IA2_TEXT_BEFORE_OFFSET(text_field_obj, 6, IA2_TEXT_BOUNDARY_WORD,
/*expected_hr=*/S_OK, /*start=*/0, /*end=*/4,
/*text=*/L"One ");
EXPECT_IA2_TEXT_BEFORE_OFFSET(text_field_obj, text_len - 1,
IA2_TEXT_BOUNDARY_WORD,
/*expected_hr=*/S_OK, /*start=*/36, /*end=*/42,
/*text=*/L"eight ");
EXPECT_IA2_TEXT_BEFORE_OFFSET(text_field_obj, 0, IA2_TEXT_BOUNDARY_LINE,
/*expected_hr=*/S_FALSE, /*start=*/0, /*end=*/0,
/*text=*/nullptr);
EXPECT_IA2_TEXT_BEFORE_OFFSET(text_field_obj, text_len - 1,
IA2_TEXT_BOUNDARY_LINE,
/*expected_hr=*/S_OK, /*start=*/15, /*end=*/30,
/*text=*/L"Four five six.\n");
EXPECT_IA2_TEXT_BEFORE_OFFSET(text_field_obj, 18, IA2_TEXT_BOUNDARY_PARAGRAPH,
/*expected_hr=*/S_OK, /*start=*/0, /*end=*/15,
/*text=*/L"One two three.\n");
EXPECT_IA2_TEXT_BEFORE_OFFSET(text_field_obj, 29, IA2_TEXT_BOUNDARY_PARAGRAPH,
/*expected_hr=*/S_OK, /*start=*/0, /*end=*/15,
/*text=*/L"One two three.\n");
EXPECT_IA2_TEXT_BEFORE_OFFSET(text_field_obj, 30, IA2_TEXT_BOUNDARY_PARAGRAPH,
/*expected_hr=*/S_OK, /*start=*/15, /*end=*/30,
/*text=*/L"Four five six.\n");
EXPECT_IA2_TEXT_BEFORE_OFFSET(text_field_obj, text_len - 1,
IA2_TEXT_BOUNDARY_PARAGRAPH,
/*expected_hr=*/S_OK, /*start=*/15, /*end=*/30,
/*text=*/L"Four five six.\n");
EXPECT_IA2_TEXT_AFTER_OFFSET(text_field_obj, 0, IA2_TEXT_BOUNDARY_CHAR,
/*expected_hr=*/S_OK, /*start=*/1, /*end=*/2,
/*text=*/L"n");
EXPECT_IA2_TEXT_AFTER_OFFSET(text_field_obj, 1, IA2_TEXT_BOUNDARY_CHAR,
/*expected_hr=*/S_OK, /*start=*/2, /*end=*/3,
/*text=*/L"e");
EXPECT_IA2_TEXT_AFTER_OFFSET(text_field_obj, text_len, IA2_TEXT_BOUNDARY_CHAR,
/*expected_hr=*/E_INVALIDARG, /*start=*/0,
/*end=*/0,
/*text=*/nullptr);
EXPECT_IA2_TEXT_AFTER_OFFSET(text_field_obj, 1, IA2_TEXT_BOUNDARY_WORD,
/*expected_hr=*/S_OK, /*start=*/4, /*end=*/8,
/*text=*/L"two ");
EXPECT_IA2_TEXT_AFTER_OFFSET(text_field_obj, 6, IA2_TEXT_BOUNDARY_WORD,
/*expected_hr=*/S_OK, /*start=*/8, /*end=*/15,
/*text=*/L"three.\n");
EXPECT_IA2_TEXT_AFTER_OFFSET(text_field_obj, text_len, IA2_TEXT_BOUNDARY_WORD,
/*expected_hr=*/E_INVALIDARG, /*start=*/0,
/*end=*/0,
/*text=*/nullptr);
EXPECT_IA2_TEXT_AFTER_OFFSET(text_field_obj, 0, IA2_TEXT_BOUNDARY_LINE,
/*expected_hr=*/S_OK, /*start=*/15, /*end=*/30,
/*text=*/L"Four five six.\n");
EXPECT_IA2_TEXT_AFTER_OFFSET(text_field_obj, text_len - 1,
IA2_TEXT_BOUNDARY_LINE,
/*expected_hr=*/S_FALSE, /*start=*/0, /*end=*/0,
/*text=*/nullptr);
EXPECT_IA2_TEXT_AFTER_OFFSET(text_field_obj, 18, IA2_TEXT_BOUNDARY_PARAGRAPH,
/*expected_hr=*/S_OK, /*start=*/30, /*end=*/47,
/*text=*/L"Seven eight nine.");
EXPECT_IA2_TEXT_AFTER_OFFSET(text_field_obj, 29, IA2_TEXT_BOUNDARY_PARAGRAPH,
/*expected_hr=*/S_OK, /*start=*/30, /*end=*/47,
/*text=*/L"Seven eight nine.");
EXPECT_IA2_TEXT_AFTER_OFFSET(text_field_obj, text_len - 1,
IA2_TEXT_BOUNDARY_PARAGRAPH,
/*expected_hr=*/S_FALSE, /*start=*/0, /*end=*/0,
/*text=*/nullptr);
EXPECT_EQ(S_OK, text_field_obj->get_text(0, IA2_TEXT_OFFSET_LENGTH,
text.Receive()));
EXPECT_EQ(text_value, base::WideToUTF8(std::wstring(text.Get())));
EXPECT_IA2_TEXT_AT_OFFSET(text_field_obj, 14, IA2_TEXT_BOUNDARY_WORD,
/*expected_hr=*/S_OK, /*start=*/14, /*end=*/15,
/*text=*/L"\n");
EXPECT_IA2_TEXT_AT_OFFSET(text_field_obj, 29, IA2_TEXT_BOUNDARY_WORD,
/*expected_hr=*/S_OK, /*start=*/29, /*end=*/30,
/*text=*/L"\n");
// Delete the manager and test that all BrowserAccessibility instances are
// deleted.
manager.reset();
}
TEST_F(BrowserAccessibilityWinTest, TestWordBoundariesWithNewline) {
// This test verifies that newline characters are treated as word boundaries
// in IA2_TEXT_BOUNDARY_WORD. It's based on the following accessibility tree
// dump from a textarea containing "Hi, how are you?\nHow's life?":
//
// Key nodes and attributes relevant to word boundaries:
//
// textField:
// - value: 'Hi, how are you?<newline>How's life?'
// - wordStarts: [0,4,8,12,17,23]
// - wordEnds: [2,7,11,15,22,27]
// - lineStarts: [0,17]
// - lineEnds: [17,28]
//
// First line staticText:
// - name: 'Hi, how are you?'
// - wordStarts: [0,4,8,12]
// - wordEnds: [2,7,11,15]
//
// First line inlineTextBox:
// - name: 'Hi, how are you?'
// - wordStarts: [0,2,4,8,12,15]
// - wordEnds: [2,3,7,11,15,16]
//
// lineBreak:
// - name: '<newline>'
// - previousOnLineId: inlineTextBox:"Hi, how are you?"
//
// Second line staticText:
// - name: 'How's life?'
// - wordStarts: [0,6]
// - wordEnds: [5,10]
//
// Second line inlineTextBox:
// - name: 'How's life?'
// - wordStarts: [0,6,10]
// - wordEnds: [5,10,11]
std::string line1 = "Hi, how are you?";
std::string line2 = "How's life?";
std::string text_value = line1 + '\n' + line2;
AXNodeData root;
root.id = 1;
AXNodeData text_field;
text_field.id = 2;
AXNodeData generic_container;
generic_container.id = 3;
AXNodeData static_text1;
static_text1.id = 4;
AXNodeData inline_box1;
inline_box1.id = 5;
AXNodeData line_break;
line_break.id = 6;
AXNodeData static_text2;
static_text2.id = 7;
AXNodeData inline_box2;
inline_box2.id = 8;
root.role = ax::mojom::Role::kRootWebArea;
root.child_ids = {text_field.id};
text_field.role = ax::mojom::Role::kTextField;
text_field.AddState(ax::mojom::State::kEditable);
text_field.AddStringAttribute(ax::mojom::StringAttribute::kHtmlTag,
"textarea");
text_field.SetValue(text_value);
text_field.AddState(ax::mojom::State::kMultiline);
text_field.AddIntListAttribute(ax::mojom::IntListAttribute::kLineStarts,
{0, 17});
text_field.AddIntListAttribute(ax::mojom::IntListAttribute::kWordStarts,
{0, 4, 8, 12, 17, 23});
text_field.AddIntListAttribute(ax::mojom::IntListAttribute::kWordEnds,
{2, 7, 11, 15, 22, 27});
text_field.AddIntListAttribute(ax::mojom::IntListAttribute::kLineEnds,
{17, 28});
text_field.child_ids = {generic_container.id};
generic_container.role = ax::mojom::Role::kGenericContainer;
generic_container.AddState(ax::mojom::State::kIgnored);
generic_container.child_ids = {static_text1.id, line_break.id,
static_text2.id};
static_text1.role = ax::mojom::Role::kStaticText;
static_text1.AddState(ax::mojom::State::kEditable);
static_text1.SetName(line1);
static_text1.child_ids = {inline_box1.id};
static_text1.AddIntListAttribute(ax::mojom::IntListAttribute::kWordStarts,
{0, 4, 8, 12});
static_text1.AddIntListAttribute(ax::mojom::IntListAttribute::kWordEnds,
{2, 7, 11, 15});
inline_box1.role = ax::mojom::Role::kInlineTextBox;
inline_box1.AddState(ax::mojom::State::kEditable);
inline_box1.SetName(line1);
inline_box1.AddIntListAttribute(ax::mojom::IntListAttribute::kWordStarts,
{0, 2, 4, 8, 12, 15});
inline_box1.AddIntListAttribute(ax::mojom::IntListAttribute::kWordEnds,
{2, 3, 7, 11, 15, 16});
inline_box1.AddIntAttribute(ax::mojom::IntAttribute::kNextOnLineId,
line_break.id);
line_break.role = ax::mojom::Role::kLineBreak;
line_break.AddState(ax::mojom::State::kEditable);
line_break.SetName("\n");
line_break.AddBoolAttribute(ax::mojom::BoolAttribute::kIsLineBreakingObject,
true);
line_break.AddIntAttribute(ax::mojom::IntAttribute::kPreviousOnLineId,
inline_box1.id);
static_text2.role = ax::mojom::Role::kStaticText;
static_text2.AddState(ax::mojom::State::kEditable);
static_text2.SetName(line2);
static_text2.child_ids = {inline_box2.id};
static_text2.AddIntListAttribute(ax::mojom::IntListAttribute::kWordStarts,
{0, 6});
static_text2.AddIntListAttribute(ax::mojom::IntListAttribute::kWordEnds,
{5, 10});
inline_box2.role = ax::mojom::Role::kInlineTextBox;
inline_box2.AddState(ax::mojom::State::kEditable);
inline_box2.SetName(line2);
inline_box2.AddIntListAttribute(ax::mojom::IntListAttribute::kWordStarts,
{0, 6, 10});
inline_box2.AddIntListAttribute(ax::mojom::IntListAttribute::kWordEnds,
{5, 10, 11});
std::unique_ptr<BrowserAccessibilityManager> manager(
BrowserAccessibilityManager::Create(
MakeAXTreeUpdateForTesting(root, text_field, generic_container,
static_text1, inline_box1, line_break,
static_text2, inline_box2),
node_id_delegate_, test_browser_accessibility_delegate_.get()));
BrowserAccessibilityWin* root_obj =
ToBrowserAccessibilityWin(manager->GetBrowserAccessibilityRoot());
ASSERT_NE(nullptr, root_obj);
ASSERT_EQ(1U, root_obj->PlatformChildCount());
BrowserAccessibilityComWin* text_field_obj =
ToBrowserAccessibilityComWin(root_obj->PlatformGetChild(0));
ASSERT_NE(nullptr, text_field_obj);
LONG text_len;
EXPECT_EQ(S_OK, text_field_obj->get_nCharacters(&text_len));
EXPECT_EQ(28, 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::WideToUTF8(std::wstring(text.Get())));
text.Reset();
EXPECT_IA2_TEXT_AT_OFFSET(text_field_obj, 0, IA2_TEXT_BOUNDARY_WORD, S_OK, 0,
2, L"Hi");
EXPECT_IA2_TEXT_AT_OFFSET(text_field_obj, 2, IA2_TEXT_BOUNDARY_WORD, S_OK, 2,
4, L", ");
EXPECT_IA2_TEXT_AT_OFFSET(text_field_obj, 4, IA2_TEXT_BOUNDARY_WORD, S_OK, 4,
8, L"how ");
EXPECT_IA2_TEXT_AT_OFFSET(text_field_obj, 8, IA2_TEXT_BOUNDARY_WORD, S_OK, 8,
12, L"are ");
EXPECT_IA2_TEXT_AT_OFFSET(text_field_obj, 12, IA2_TEXT_BOUNDARY_WORD, S_OK,
12, 15, L"you");
EXPECT_IA2_TEXT_AT_OFFSET(text_field_obj, 15, IA2_TEXT_BOUNDARY_WORD, S_OK,
15, 17, L"?\n");
EXPECT_IA2_TEXT_BEFORE_OFFSET(text_field_obj, 16, IA2_TEXT_BOUNDARY_WORD,
S_OK, 15, 16, L"?");
EXPECT_IA2_TEXT_AT_OFFSET(text_field_obj, 16, IA2_TEXT_BOUNDARY_WORD, S_OK,
16, 17, L"\n");
EXPECT_IA2_TEXT_BEFORE_OFFSET(text_field_obj, 17, IA2_TEXT_BOUNDARY_WORD,
S_OK, 16, 17, L"\n");
EXPECT_IA2_TEXT_AFTER_OFFSET(text_field_obj, 16, IA2_TEXT_BOUNDARY_WORD, S_OK,
17, 23, L"How's ");
EXPECT_IA2_TEXT_AT_OFFSET(text_field_obj, 17, IA2_TEXT_BOUNDARY_WORD, S_OK,
17, 23, L"How's ");
EXPECT_IA2_TEXT_AT_OFFSET(text_field_obj, 23, IA2_TEXT_BOUNDARY_WORD, S_OK,
23, 27, L"life");
EXPECT_IA2_TEXT_AT_OFFSET(text_field_obj, 27, IA2_TEXT_BOUNDARY_WORD, S_OK,
27, 28, L"?");
EXPECT_IA2_TEXT_AT_OFFSET(text_field_obj, -1, IA2_TEXT_BOUNDARY_WORD,
E_INVALIDARG, 0, 0, nullptr);
EXPECT_IA2_TEXT_AT_OFFSET(text_field_obj, 28, IA2_TEXT_BOUNDARY_WORD,
E_INVALIDARG, 0, 0, nullptr);
EXPECT_IA2_TEXT_AT_OFFSET(text_field_obj, 17, IA2_TEXT_BOUNDARY_WORD, S_OK,
17, 23, L"How's ");
manager.reset();
}
TEST_F(BrowserAccessibilityWinTest, TestSimpleHypertext) {
const std::string text1_name = "One two three.";
const std::string text2_name = " Four five six.";
const LONG text_name_len = text1_name.length() + text2_name.length();
AXNodeData text1;
text1.id = 11;
text1.role = ax::mojom::Role::kStaticText;
text1.SetName(text1_name);
AXNodeData text2;
text2.id = 12;
text2.role = ax::mojom::Role::kStaticText;
text2.SetName(text2_name);
AXNodeData root;
root.id = 1;
root.role = ax::mojom::Role::kRootWebArea;
root.child_ids.push_back(text1.id);
root.child_ids.push_back(text2.id);
std::unique_ptr<BrowserAccessibilityManager> manager(
BrowserAccessibilityManager::Create(
MakeAXTreeUpdateForTesting(root, text1, text2), node_id_delegate_,
test_browser_accessibility_delegate_.get()));
BrowserAccessibilityComWin* root_obj =
ToBrowserAccessibilityWin(manager->GetBrowserAccessibilityRoot())
->GetCOM();
LONG text_len;
EXPECT_EQ(S_OK, root_obj->get_nCharacters(&text_len));
EXPECT_EQ(text_name_len, text_len);
base::win::ScopedBstr text;
EXPECT_EQ(S_OK, root_obj->get_text(0, text_name_len, text.Receive()));
EXPECT_EQ(text1_name + text2_name,
base::WideToUTF8(std::wstring(text.Get())));
LONG hyperlink_count;
EXPECT_EQ(S_OK, root_obj->get_nHyperlinks(&hyperlink_count));
EXPECT_EQ(0, hyperlink_count);
Microsoft::WRL::ComPtr<IAccessibleHyperlink> hyperlink;
EXPECT_EQ(E_INVALIDARG, root_obj->get_hyperlink(-1, &hyperlink));
EXPECT_EQ(E_INVALIDARG, root_obj->get_hyperlink(0, &hyperlink));
EXPECT_EQ(E_INVALIDARG, root_obj->get_hyperlink(text_name_len, &hyperlink));
EXPECT_EQ(E_INVALIDARG,
root_obj->get_hyperlink(text_name_len + 1, &hyperlink));
LONG hyperlink_index;
EXPECT_EQ(S_FALSE, root_obj->get_hyperlinkIndex(0, &hyperlink_index));
EXPECT_EQ(-1, hyperlink_index);
// Invalid arguments should not be modified.
hyperlink_index = -2;
EXPECT_EQ(E_INVALIDARG,
root_obj->get_hyperlinkIndex(text_name_len, &hyperlink_index));
EXPECT_EQ(-2, hyperlink_index);
EXPECT_EQ(E_INVALIDARG, root_obj->get_hyperlinkIndex(-1, &hyperlink_index));
EXPECT_EQ(-2, hyperlink_index);
EXPECT_EQ(E_INVALIDARG,
root_obj->get_hyperlinkIndex(text_name_len + 1, &hyperlink_index));
EXPECT_EQ(-2, hyperlink_index);
manager.reset();
}
TEST_F(BrowserAccessibilityWinTest, TestComplexHypertext) {
const std::u16string text1_name = u"One two three.";
const std::u16string combo_box_name = u"City:";
const std::u16string combo_box_value = u"Happyland";
const std::u16string text2_name = u" Four five six.";
const std::u16string check_box_name = u"I agree";
const std::u16string check_box_value = u"Checked";
const std::u16string button_text_name = u"Red";
const std::u16string link_text_name = u"Blue";
// Each control (combo / check box, button and link) will be represented by an
// embedded object character.
const std::u16string embed(1, AXPlatformNodeBase::kEmbeddedCharacter);
const std::u16string root_hypertext =
text1_name + embed + text2_name + embed + embed + embed;
const LONG root_hypertext_len = root_hypertext.length();
AXNodeData text1;
text1.id = 11;
text1.role = ax::mojom::Role::kStaticText;
text1.SetName(base::UTF16ToUTF8(text1_name));
AXNodeData combo_box;
combo_box.id = 12;
combo_box.role = ax::mojom::Role::kTextFieldWithComboBox;
combo_box.AddState(ax::mojom::State::kEditable);
combo_box.AddStringAttribute(ax::mojom::StringAttribute::kHtmlTag, "input");
combo_box.AddStringAttribute(ax::mojom::StringAttribute::kInputType, "text");
combo_box.SetName(base::UTF16ToUTF8(combo_box_name));
combo_box.SetValue(base::UTF16ToUTF8(combo_box_value));
AXNodeData text2;
text2.id = 13;
text2.role = ax::mojom::Role::kStaticText;
text2.SetName(base::UTF16ToUTF8(text2_name));
AXNodeData check_box;
check_box.id = 14;
check_box.role = ax::mojom::Role::kCheckBox;
check_box.SetCheckedState(ax::mojom::CheckedState::kTrue);
check_box.SetName(base::UTF16ToUTF8(check_box_name));
// ARIA checkbox where the name is derived from its inner text.
check_box.SetNameFrom(ax::mojom::NameFrom::kContents);
check_box.SetValue(base::UTF16ToUTF8(check_box_value));
AXNodeData button, button_text;
button.id = 15;
button_text.id = 17;
button.role = ax::mojom::Role::kButton;
button.SetName(base::UTF16ToUTF8(button_text_name));
button.SetNameFrom(ax::mojom::NameFrom::kContents);
// A single text child with the same name should be hidden from accessibility
// to prevent double speaking.
button_text.role = ax::mojom::Role::kStaticText;
button_text.SetName(base::UTF16ToUTF8(button_text_name));
button.child_ids.push_back(button_text.id);
AXNodeData link, link_text;
link.id = 16;
link_text.id = 18;
link.role = ax::mojom::Role::kLink;
link_text.role = ax::mojom::Role::kStaticText;
link_text.SetName(base::UTF16ToUTF8(link_text_name));
link.child_ids.push_back(link_text.id);
AXNodeData root;
root.id = 1;
root.role = ax::mojom::Role::kRootWebArea;
root.child_ids.push_back(text1.id);
root.child_ids.push_back(combo_box.id);
root.child_ids.push_back(text2.id);
root.child_ids.push_back(check_box.id);
root.child_ids.push_back(button.id);
root.child_ids.push_back(link.id);
std::unique_ptr<BrowserAccessibilityManager> manager(
BrowserAccessibilityManager::Create(
MakeAXTreeUpdateForTesting(root, text1, combo_box, text2, check_box,
button, button_text, link, link_text),
node_id_delegate_, test_browser_accessibility_delegate_.get()));
BrowserAccessibilityComWin* root_obj =
ToBrowserAccessibilityWin(manager->GetBrowserAccessibilityRoot())
->GetCOM();
LONG text_len;
EXPECT_EQ(S_OK, root_obj->get_nCharacters(&text_len));
EXPECT_EQ(root_hypertext_len, text_len);
base::win::ScopedBstr text;
EXPECT_EQ(S_OK, root_obj->get_text(0, root_hypertext_len, text.Receive()));
EXPECT_EQ(root_hypertext, base::WideToUTF16(text.Get()));
text.Reset();
LONG hyperlink_count;
EXPECT_EQ(S_OK, root_obj->get_nHyperlinks(&hyperlink_count));
EXPECT_EQ(4, hyperlink_count);
Microsoft::WRL::ComPtr<IAccessibleHyperlink> hyperlink;
Microsoft::WRL::ComPtr<IAccessibleText> hypertext;
EXPECT_EQ(E_INVALIDARG, root_obj->get_hyperlink(-1, &hyperlink));
EXPECT_EQ(E_INVALIDARG, root_obj->get_hyperlink(4, &hyperlink));
// Get the text of the combo box.
// It should be its value.
EXPECT_EQ(S_OK, root_obj->get_hyperlink(0, &hyperlink));
EXPECT_EQ(S_OK, hyperlink.As(&hypertext));
EXPECT_EQ(S_OK,
hypertext->get_text(0, IA2_TEXT_OFFSET_LENGTH, text.Receive()));
EXPECT_EQ(combo_box_value, base::WideToUTF16(text.Get()));
text.Reset();
hyperlink.Reset();
hypertext.Reset();
// Get the text of the check box.
// It should be its name.
EXPECT_EQ(S_OK, root_obj->get_hyperlink(1, &hyperlink));
EXPECT_EQ(S_OK, hyperlink.As(&hypertext));
EXPECT_EQ(S_OK,
hypertext->get_text(0, IA2_TEXT_OFFSET_LENGTH, text.Receive()));
EXPECT_EQ(check_box_name, base::WideToUTF16(text.Get()));
text.Reset();
hyperlink.Reset();
hypertext.Reset();
// Get the text of the button.
EXPECT_EQ(S_OK, root_obj->get_hyperlink(2, &hyperlink));
EXPECT_EQ(S_OK, hyperlink.As(&hypertext));
EXPECT_EQ(S_OK,
hypertext->get_text(0, IA2_TEXT_OFFSET_LENGTH, text.Receive()));
EXPECT_EQ(button_text_name, base::WideToUTF16(text.Get()));
text.Reset();
hyperlink.Reset();
hypertext.Reset();
// Get the text of the link.
EXPECT_EQ(S_OK, root_obj->get_hyperlink(3, &hyperlink));
EXPECT_EQ(S_OK, hyperlink.As(&hypertext));
EXPECT_EQ(S_OK, hypertext->get_text(0, 4, text.Receive()));
EXPECT_EQ(link_text_name, base::WideToUTF16(text.Get()));
text.Reset();
hyperlink.Reset();
hypertext.Reset();
LONG hyperlink_index;
EXPECT_EQ(S_FALSE, root_obj->get_hyperlinkIndex(0, &hyperlink_index));
EXPECT_EQ(-1, hyperlink_index);
// Invalid arguments should not be modified.
hyperlink_index = -2;
EXPECT_EQ(E_INVALIDARG,
root_obj->get_hyperlinkIndex(root_hypertext_len, &hyperlink_index));
EXPECT_EQ(-2, hyperlink_index);
EXPECT_EQ(S_OK, root_obj->get_hyperlinkIndex(14, &hyperlink_index));
EXPECT_EQ(0, hyperlink_index);
EXPECT_EQ(S_OK, root_obj->get_hyperlinkIndex(30, &hyperlink_index));
EXPECT_EQ(1, hyperlink_index);
EXPECT_EQ(S_OK, root_obj->get_hyperlinkIndex(31, &hyperlink_index));
EXPECT_EQ(2, hyperlink_index);
EXPECT_EQ(S_OK, root_obj->get_hyperlinkIndex(32, &hyperlink_index));
EXPECT_EQ(3, hyperlink_index);
manager.reset();
}
TEST_F(BrowserAccessibilityWinTest, TestGetUIADirectChildrenInRange) {
// Set up ax tree with the following structure:
//
// root___________________________________________________
// | | | | |
// para1____ link1 (ignored) link2 button para2___________
// | | | | | | |
// text1 text2 text3 text4 text_5 image text6
AXNodeData text1;
text1.id = 111;
text1.role = ax::mojom::Role::kStaticText;
text1.SetName("One two three.");
AXNodeData text2;
text2.id = 112;
text2.role = ax::mojom::Role::kStaticText;
text2.SetName("Two three four.");
AXNodeData text3;
text3.id = 113;
text3.role = ax::mojom::Role::kStaticText;
text3.SetName("Three four five.");
text3.AddState(ax::mojom::State::kIgnored);
AXNodeData text4;
text4.id = 114;
text4.role = ax::mojom::Role::kStaticText;
text4.SetName("four five six.");
AXNodeData text5;
text5.id = 115;
text5.role = ax::mojom::Role::kStaticText;
text5.SetName("five six seven.");
AXNodeData image;
image.id = 116;
image.role = ax::mojom::Role::kImage;
AXNodeData text6;
text6.id = 117;
text6.role = ax::mojom::Role::kStaticText;
text6.SetName("six seven eight.");
AXNodeData para1;
para1.id = 11;
para1.role = ax::mojom::Role::kParagraph;
para1.child_ids = {text1.id, text2.id};
AXNodeData link1;
link1.id = 12;
link1.role = ax::mojom::Role::kLink;
link1.child_ids = {text3.id};
link1.AddState(ax::mojom::State::kIgnored);
AXNodeData link2;
link2.id = 13;
link2.role = ax::mojom::Role::kLink;
link2.child_ids = {text4.id};
AXNodeData button;
button.id = 14;
button.role = ax::mojom::Role::kButton;
AXNodeData para2;
para2.id = 15;
para2.role = ax::mojom::Role::kParagraph;
para2.child_ids = {text5.id, image.id, text6.id};
AXNodeData root;
root.id = 1;
root.role = ax::mojom::Role::kRootWebArea;
root.child_ids = {para1.id, link1.id, link2.id, button.id, para2.id};
std::unique_ptr<BrowserAccessibilityManager> manager(
BrowserAccessibilityManager::Create(
MakeAXTreeUpdateForTesting(root, para1, text1, text2, link1, text3,
link2, text4, button, para2, text5, image,
text6),
node_id_delegate_, test_browser_accessibility_delegate_.get()));
BrowserAccessibility* root_obj = manager->GetBrowserAccessibilityRoot();
BrowserAccessibility* para1_obj = manager->GetFromID(11);
BrowserAccessibility* link2_obj = manager->GetFromID(13);
BrowserAccessibility* button_obj = manager->GetFromID(14);
BrowserAccessibility* para2_obj = manager->GetFromID(15);
BrowserAccessibility* text1_obj = manager->GetFromID(111);
BrowserAccessibility* text2_obj = manager->GetFromID(112);
BrowserAccessibility* text3_obj = manager->GetFromID(113);
BrowserAccessibility* text4_obj = manager->GetFromID(114);
BrowserAccessibility* text5_obj = manager->GetFromID(115);
BrowserAccessibility* image_obj = manager->GetFromID(116);
BrowserAccessibility* text6_obj = manager->GetFromID(117);
// When a range starts and end on a leaf node, no nodes should be returned.
std::vector<gfx::NativeViewAccessible> descendants;
std::vector<gfx::NativeViewAccessible> expected_descendants = {};
descendants = text1_obj->GetUIADirectChildrenInRange(text1_obj, text1_obj);
EXPECT_NATIVE_VIEW_ACCESSIBLE_VECTOR_EQ(descendants, expected_descendants);
descendants = text2_obj->GetUIADirectChildrenInRange(text2_obj, text2_obj);
EXPECT_NATIVE_VIEW_ACCESSIBLE_VECTOR_EQ(descendants, expected_descendants);
descendants = text3_obj->GetUIADirectChildrenInRange(text3_obj, text3_obj);
EXPECT_NATIVE_VIEW_ACCESSIBLE_VECTOR_EQ(descendants, expected_descendants);
descendants = text4_obj->GetUIADirectChildrenInRange(text4_obj, text4_obj);
EXPECT_NATIVE_VIEW_ACCESSIBLE_VECTOR_EQ(descendants, expected_descendants);
descendants = text5_obj->GetUIADirectChildrenInRange(text5_obj, text5_obj);
EXPECT_NATIVE_VIEW_ACCESSIBLE_VECTOR_EQ(descendants, expected_descendants);
descendants = image_obj->GetUIADirectChildrenInRange(image_obj, image_obj);
EXPECT_NATIVE_VIEW_ACCESSIBLE_VECTOR_EQ(descendants, expected_descendants);
descendants = text5_obj->GetUIADirectChildrenInRange(text6_obj, text6_obj);
EXPECT_NATIVE_VIEW_ACCESSIBLE_VECTOR_EQ(descendants, expected_descendants);
descendants = button_obj->GetUIADirectChildrenInRange(button_obj, button_obj);
EXPECT_NATIVE_VIEW_ACCESSIBLE_VECTOR_EQ(descendants, expected_descendants);
// When called on a range that spans the entire document, the unignored link
// object and the button should be returned by the function as they are the
// two UIA embedded objects that are direct children of the root node.
descendants = root_obj->GetUIADirectChildrenInRange(root_obj, root_obj);
expected_descendants = {link2_obj->GetNativeViewAccessible(),
button_obj->GetNativeViewAccessible()};
EXPECT_NATIVE_VIEW_ACCESSIBLE_VECTOR_EQ(descendants, expected_descendants);
// When called on a range that doesn't contain any UIA embedded object,
// nothing should be returned from the function.
descendants = para1_obj->GetUIADirectChildrenInRange(text2_obj, button_obj);
expected_descendants = {};
EXPECT_NATIVE_VIEW_ACCESSIBLE_VECTOR_EQ(descendants, expected_descendants);
// Validate that the function doesn't include objects that are outside of the
// the range. In this example, the button object shouldn't be included.
descendants = root_obj->GetUIADirectChildrenInRange(text2_obj, text4_obj);
expected_descendants = {link2_obj->GetNativeViewAccessible()};
EXPECT_NATIVE_VIEW_ACCESSIBLE_VECTOR_EQ(descendants, expected_descendants);
// Validates that it works on other nodes than the root one.
descendants = para2_obj->GetUIADirectChildrenInRange(text5_obj, text6_obj);
expected_descendants = {image_obj->GetNativeViewAccessible()};
EXPECT_NATIVE_VIEW_ACCESSIBLE_VECTOR_EQ(descendants, expected_descendants);
manager.reset();
}
TEST_F(BrowserAccessibilityWinTest, TestCreateEmptyDocument) {
std::unique_ptr<BrowserAccessibilityManager> manager(
new BrowserAccessibilityManagerWin(
BrowserAccessibilityManagerWin::GetEmptyDocument(), node_id_delegate_,
test_browser_accessibility_delegate_.get()));
// Verify the root is as we expect by default.
BrowserAccessibility* root = manager->GetBrowserAccessibilityRoot();
EXPECT_EQ(kInitialEmptyDocumentRootNodeID, root->GetId());
EXPECT_EQ(ax::mojom::Role::kRootWebArea, root->GetRole());
EXPECT_EQ(AXStates(0U), root->GetStates());
// Tree with a child textfield.
AXNodeData tree1_1;
tree1_1.id = 1;
tree1_1.role = ax::mojom::Role::kRootWebArea;
tree1_1.child_ids.push_back(2);
AXNodeData tree1_2;
tree1_2.id = 2;
tree1_2.role = ax::mojom::Role::kTextField;
tree1_2.AddState(ax::mojom::State::kEditable);
tree1_2.AddStringAttribute(ax::mojom::StringAttribute::kHtmlTag, "input");
tree1_2.AddStringAttribute(ax::mojom::StringAttribute::kInputType, "text");
// Process a load complete.
AXUpdatesAndEvents event_bundle;
event_bundle.updates.resize(1);
event_bundle.updates[0].node_id_to_clear = root->GetId();
event_bundle.updates[0].root_id = tree1_1.id;
event_bundle.updates[0].nodes.push_back(tree1_1);
event_bundle.updates[0].nodes.push_back(tree1_2);
ASSERT_TRUE(manager->OnAccessibilityEvents(event_bundle));
// The root for the initial empty document is replaced.
root = manager->GetBrowserAccessibilityRoot();
BrowserAccessibility* acc1_2 = manager->GetFromID(2);
EXPECT_EQ(ax::mojom::Role::kTextField, acc1_2->GetRole());
EXPECT_EQ(2, acc1_2->GetId());
// Tree with a child button.
AXNodeData tree2_1;
tree2_1.id = 1;
tree2_1.role = ax::mojom::Role::kRootWebArea;
tree2_1.child_ids.push_back(3);
AXNodeData tree2_2;
tree2_2.id = 3;
tree2_2.role = ax::mojom::Role::kButton;
event_bundle.updates[0].nodes.clear();
event_bundle.updates[0].node_id_to_clear = tree1_1.id;
event_bundle.updates[0].root_id = tree2_1.id;
event_bundle.updates[0].nodes.push_back(tree2_1);
event_bundle.updates[0].nodes.push_back(tree2_2);
// Unserialize the new tree update.
ASSERT_TRUE(manager->OnAccessibilityEvents(event_bundle));
// Verify that the root has been cleared, not replaced.
EXPECT_EQ(root, manager->GetBrowserAccessibilityRoot());
BrowserAccessibility* acc2_2 = manager->GetFromID(3);
EXPECT_EQ(ax::mojom::Role::kButton, acc2_2->GetRole());
EXPECT_EQ(3, acc2_2->GetId());
// Ensure we properly cleaned up.
manager.reset();
}
int32_t GetUniqueId(BrowserAccessibility* accessibility) {
BrowserAccessibilityWin* win_root = ToBrowserAccessibilityWin(accessibility);
return win_root->GetCOM()->GetUniqueId();
}
// This is a regression test for a bug where the initial empty document
// loaded by a BrowserAccessibilityManagerWin couldn't be looked up by
// its UniqueIDWin, because the AX Tree was loaded in
// BrowserAccessibilityManager code before BrowserAccessibilityManagerWin
// was initialized.
TEST_F(BrowserAccessibilityWinTest, EmptyDocHasUniqueIdWin) {
std::unique_ptr<BrowserAccessibilityManagerWin> manager(
new BrowserAccessibilityManagerWin(
BrowserAccessibilityManagerWin::GetEmptyDocument(), node_id_delegate_,
test_browser_accessibility_delegate_.get()));
// Verify the root is as we expect by default.
BrowserAccessibility* root = manager->GetBrowserAccessibilityRoot();
EXPECT_EQ(kInitialEmptyDocumentRootNodeID, root->GetId());
EXPECT_EQ(ax::mojom::Role::kRootWebArea, root->GetRole());
EXPECT_EQ(AXStates(0U), root->GetStates());
BrowserAccessibilityWin* win_root = ToBrowserAccessibilityWin(root);
AXPlatformNode* node = static_cast<AXPlatformNode*>(
AXPlatformNodeWin::GetFromUniqueId(GetUniqueId(win_root)));
AXPlatformNode* other_node = static_cast<AXPlatformNode*>(win_root->GetCOM());
ASSERT_EQ(node, other_node);
}
TEST_F(BrowserAccessibilityWinTest, TestIA2Attributes) {
AXNodeData pseudo_before;
pseudo_before.id = 2;
pseudo_before.role = ax::mojom::Role::kGenericContainer;
pseudo_before.AddStringAttribute(ax::mojom::StringAttribute::kHtmlTag,
"<pseudo:before>");
pseudo_before.AddStringAttribute(ax::mojom::StringAttribute::kDisplay,
"none");
AXNodeData checkbox;
checkbox.id = 3;
checkbox.role = ax::mojom::Role::kCheckBox;
checkbox.SetCheckedState(ax::mojom::CheckedState::kTrue);
checkbox.SetName("Checkbox");
AXNodeData root;
root.id = 1;
root.role = ax::mojom::Role::kRootWebArea;
root.AddState(ax::mojom::State::kFocusable);
root.SetName("Document");
root.child_ids.push_back(2);
root.child_ids.push_back(3);
std::unique_ptr<BrowserAccessibilityManager> manager(
BrowserAccessibilityManager::Create(
MakeAXTreeUpdateForTesting(root, pseudo_before, checkbox),
node_id_delegate_, test_browser_accessibility_delegate_.get()));
ASSERT_NE(nullptr, manager->GetBrowserAccessibilityRoot());
BrowserAccessibilityWin* root_accessible =
ToBrowserAccessibilityWin(manager->GetBrowserAccessibilityRoot());
ASSERT_NE(nullptr, root_accessible);
ASSERT_EQ(2U, root_accessible->PlatformChildCount());
BrowserAccessibilityWin* pseudo_accessible =
ToBrowserAccessibilityWin(root_accessible->PlatformGetChild(0));
ASSERT_NE(nullptr, pseudo_accessible);
base::win::ScopedBstr attributes;
HRESULT hr =
pseudo_accessible->GetCOM()->get_attributes(attributes.Receive());
EXPECT_EQ(S_OK, hr);
EXPECT_NE(nullptr, attributes.Get());
std::wstring attributes_str(attributes.Get(), attributes.Length());
EXPECT_EQ(L"display:none;tag:<pseudo\\:before>;", attributes_str);
BrowserAccessibilityWin* checkbox_accessible =
ToBrowserAccessibilityWin(root_accessible->PlatformGetChild(1));
ASSERT_NE(nullptr, checkbox_accessible);
attributes.Reset();
hr = checkbox_accessible->GetCOM()->get_attributes(attributes.Receive());
EXPECT_EQ(S_OK, hr);
EXPECT_NE(nullptr, attributes.Get());
attributes_str = std::wstring(attributes.Get(), attributes.Length());
EXPECT_EQ(L"checkable:true;name-from:attribute;explicit-name:true;",
attributes_str);
manager.reset();
}
TEST_F(BrowserAccessibilityWinTest, TestValueAttributeInTextControls) {
AXNodeData root;
root.id = 1;
root.role = ax::mojom::Role::kRootWebArea;
AXNodeData combo_box, combo_box_text_container, combo_box_text;
combo_box.id = 2;
combo_box_text_container.id = 3;
combo_box_text.id = 4;
combo_box.role = ax::mojom::Role::kTextFieldWithComboBox;
combo_box_text_container.role = ax::mojom::Role::kGenericContainer;
combo_box_text.role = ax::mojom::Role::kStaticText;
combo_box.SetName("Combo box:");
combo_box.SetValue("Combo box text");
combo_box_text.SetName("Combo box text");
combo_box.AddStringAttribute(ax::mojom::StringAttribute::kHtmlTag, "input");
combo_box.AddStringAttribute(ax::mojom::StringAttribute::kInputType, "text");
combo_box.AddState(ax::mojom::State::kEditable);
combo_box.AddState(ax::mojom::State::kFocusable);
combo_box_text.AddState(ax::mojom::State::kEditable);
combo_box.child_ids = {combo_box_text_container.id};
combo_box_text_container.child_ids = {combo_box_text.id};
AXNodeData search_box, search_box_text_container, search_box_text, new_line;
search_box.id = 5;
search_box_text_container.id = 6;
search_box_text.id = 7;
new_line.id = 8;
search_box.role = ax::mojom::Role::kSearchBox;
search_box_text_container.role = ax::mojom::Role::kGenericContainer;
search_box_text.role = ax::mojom::Role::kStaticText;
new_line.role = ax::mojom::Role::kLineBreak;
search_box.SetName("Search for:");
search_box.SetValue("Search box text\n");
search_box_text.SetName("Search box text");
new_line.SetName("\n");
search_box.AddStringAttribute(ax::mojom::StringAttribute::kHtmlTag, "input");
search_box.AddStringAttribute(ax::mojom::StringAttribute::kInputType, "text");
search_box.AddState(ax::mojom::State::kEditable);
search_box.AddState(ax::mojom::State::kFocusable);
search_box_text.AddState(ax::mojom::State::kEditable);
new_line.AddState(ax::mojom::State::kEditable);
search_box.child_ids = {search_box_text_container.id};
search_box_text_container.child_ids = {search_box_text.id, new_line.id};
AXNodeData text_field, text_field_text_container;
text_field.id = 9;
text_field.role = ax::mojom::Role::kTextField;
text_field.AddStringAttribute(ax::mojom::StringAttribute::kHtmlTag, "input");
text_field.AddStringAttribute(ax::mojom::StringAttribute::kInputType, "text");
text_field.AddState(ax::mojom::State::kEditable);
text_field.AddState(ax::mojom::State::kFocusable);
// Exposes a placeholder. The text container is otherwise empty.
text_field.SetValue("Text field text");
text_field_text_container.id = 10;
text_field_text_container.role = ax::mojom::Role::kGenericContainer;
text_field.child_ids.push_back(text_field_text_container.id);
AXNodeData link, link_text;
link.id = 11;
link_text.id = 12;
link.role = ax::mojom::Role::kLink;
link_text.role = ax::mojom::Role::kStaticText;
link_text.SetName("Link text");
link.child_ids.push_back(link_text.id);
AXNodeData slider, slider_text;
slider.id = 13;
slider_text.id = 14;
slider.role = ax::mojom::Role::kSlider;
slider_text.role = ax::mojom::Role::kStaticText;
slider.AddFloatAttribute(ax::mojom::FloatAttribute::kValueForRange, 5.0F);
slider_text.SetName("Slider text");
slider.child_ids.push_back(slider_text.id);
root.child_ids = {combo_box.id, search_box.id, text_field.id, link.id,
slider.id};
std::unique_ptr<BrowserAccessibilityManager> manager(
BrowserAccessibilityManager::Create(
MakeAXTreeUpdateForTesting(
root, combo_box, combo_box_text_container, combo_box_text,
search_box, search_box_text_container, search_box_text, new_line,
text_field, text_field_text_container, link, link_text, slider,
slider_text),
node_id_delegate_, test_browser_accessibility_delegate_.get()));
ASSERT_NE(nullptr, manager->GetBrowserAccessibilityRoot());
BrowserAccessibilityWin* root_accessible =
ToBrowserAccessibilityWin(manager->GetBrowserAccessibilityRoot());
ASSERT_NE(nullptr, root_accessible);
ASSERT_EQ(5U, root_accessible->PlatformChildCount());
BrowserAccessibilityWin* combo_box_accessible =
ToBrowserAccessibilityWin(root_accessible->PlatformGetChild(0));
ASSERT_NE(nullptr, combo_box_accessible);
AXTreeData data = manager->GetTreeData();
data.focus_id = combo_box_accessible->GetId();
manager->ax_tree()->UpdateDataForTesting(data);
ASSERT_EQ(combo_box_accessible,
ToBrowserAccessibilityWin(manager->GetFocus()));
BrowserAccessibilityWin* search_box_accessible =
ToBrowserAccessibilityWin(root_accessible->PlatformGetChild(1));
ASSERT_NE(nullptr, search_box_accessible);
BrowserAccessibilityWin* text_field_accessible =
ToBrowserAccessibilityWin(root_accessible->PlatformGetChild(2));
ASSERT_NE(nullptr, text_field_accessible);
BrowserAccessibilityWin* link_accessible =
ToBrowserAccessibilityWin(root_accessible->PlatformGetChild(3));
ASSERT_NE(nullptr, link_accessible);
BrowserAccessibilityWin* slider_accessible =
ToBrowserAccessibilityWin(root_accessible->PlatformGetChild(4));
ASSERT_NE(nullptr, slider_accessible);
base::win::ScopedVariant childid_self(CHILDID_SELF);
base::win::ScopedVariant childid_slider(5);
base::win::ScopedBstr value;
HRESULT hr = combo_box_accessible->GetCOM()->get_accValue(childid_self,
value.Receive());
EXPECT_EQ(S_OK, hr);
EXPECT_STREQ(L"Combo box text", value.Get());
value.Reset();
hr = search_box_accessible->GetCOM()->get_accValue(childid_self,
value.Receive());
EXPECT_EQ(S_OK, hr);
EXPECT_STREQ(L"Search box text\n", value.Get());
value.Reset();
hr = text_field_accessible->GetCOM()->get_accValue(childid_self,
value.Receive());
EXPECT_EQ(S_OK, hr);
EXPECT_STREQ(L"Text field text", value.Get());
value.Reset();
// Other controls, such as links, should not use their inner text as their
// value. Only text entry controls.
hr = link_accessible->GetCOM()->get_accValue(childid_self, value.Receive());
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(0u, value.Length());
value.Reset();
// Sliders and other range controls should expose their current value and not
// their inner text.
// Also, try accessing the slider via its child number instead of directly.
hr = root_accessible->GetCOM()->get_accValue(childid_slider, value.Receive());
EXPECT_EQ(S_OK, hr);
EXPECT_STREQ(L"5", value.Get());
value.Reset();
manager.reset();
}
TEST_F(BrowserAccessibilityWinTest, TestWordBoundariesInTextControls) {
const std::string line1("This is a very LONG line of text that ");
const std::string line2("should wrap on more than one lines ");
const std::string text(line1 + line2);
std::vector<int32_t> line1_word_starts;
line1_word_starts.push_back(0);
line1_word_starts.push_back(5);
line1_word_starts.push_back(8);
line1_word_starts.push_back(10);
line1_word_starts.push_back(15);
line1_word_starts.push_back(20);
line1_word_starts.push_back(25);
line1_word_starts.push_back(28);
line1_word_starts.push_back(33);
std::vector<int32_t> line2_word_starts;
line2_word_starts.push_back(0);
line2_word_starts.push_back(7);
line2_word_starts.push_back(12);
line2_word_starts.push_back(15);
line2_word_starts.push_back(20);
line2_word_starts.push_back(25);
line2_word_starts.push_back(29);
AXNodeData root;
root.id = 1;
root.role = ax::mojom::Role::kRootWebArea;
root.AddState(ax::mojom::State::kFocusable);
AXNodeData textarea, textarea_div, textarea_text;
textarea.id = 2;
textarea_div.id = 3;
textarea_text.id = 4;
textarea.role = ax::mojom::Role::kTextField;
textarea_div.role = ax::mojom::Role::kGenericContainer;
textarea_text.role = ax::mojom::Role::kStaticText;
textarea.AddState(ax::mojom::State::kEditable);
textarea.AddStringAttribute(ax::mojom::StringAttribute::kHtmlTag, "textarea");
textarea.AddState(ax::mojom::State::kFocusable);
textarea.AddState(ax::mojom::State::kMultiline);
textarea_div.AddState(ax::mojom::State::kEditable);
textarea_text.AddState(ax::mojom::State::kEditable);
textarea.SetValue(text);
textarea_text.SetName(text);
textarea.AddStringAttribute(ax::mojom::StringAttribute::kHtmlTag, "textarea");
textarea.child_ids.push_back(textarea_div.id);
textarea_div.child_ids.push_back(textarea_text.id);
AXNodeData textarea_line1, textarea_line2;
textarea_line1.id = 5;
textarea_line2.id = 6;
textarea_line1.role = ax::mojom::Role::kInlineTextBox;
textarea_line2.role = ax::mojom::Role::kInlineTextBox;
textarea_line1.AddState(ax::mojom::State::kEditable);
textarea_line2.AddState(ax::mojom::State::kEditable);
textarea_line1.SetName(line1);
textarea_line2.SetName(line2);
textarea_line1.AddIntListAttribute(ax::mojom::IntListAttribute::kWordStarts,
line1_word_starts);
textarea_line2.AddIntListAttribute(ax::mojom::IntListAttribute::kWordStarts,
line2_word_starts);
textarea_text.child_ids.push_back(textarea_line1.id);
textarea_text.child_ids.push_back(textarea_line2.id);
AXNodeData text_field, text_field_div, text_field_text;
text_field.id = 7;
text_field_div.id = 8;
text_field_text.id = 9;
text_field.role = ax::mojom::Role::kTextField;
text_field_div.role = ax::mojom::Role::kGenericContainer;
text_field_text.role = ax::mojom::Role::kStaticText;
text_field.AddState(ax::mojom::State::kEditable);
text_field.AddStringAttribute(ax::mojom::StringAttribute::kHtmlTag, "input");
text_field.AddStringAttribute(ax::mojom::StringAttribute::kInputType, "text");
text_field.AddState(ax::mojom::State::kFocusable);
text_field_div.AddState(ax::mojom::State::kEditable);
text_field_text.AddState(ax::mojom::State::kEditable);
text_field.SetValue(line1);
text_field_text.SetName(line1);
text_field.AddStringAttribute(ax::mojom::StringAttribute::kHtmlTag, "input");
text_field.AddStringAttribute(ax::mojom::StringAttribute::kInputType, "text");
text_field.child_ids.push_back(text_field_div.id);
text_field_div.child_ids.push_back(text_field_text.id);
AXNodeData text_field_line;
text_field_line.id = 10;
text_field_line.role = ax::mojom::Role::kInlineTextBox;
text_field_line.AddState(ax::mojom::State::kEditable);
text_field_line.SetName(line1);
text_field_line.AddIntListAttribute(ax::mojom::IntListAttribute::kWordStarts,
line1_word_starts);
text_field_text.child_ids.push_back(text_field_line.id);
root.child_ids.push_back(2); // Textarea.
root.child_ids.push_back(7); // Text field.
std::unique_ptr<BrowserAccessibilityManager> manager(
BrowserAccessibilityManager::Create(
MakeAXTreeUpdateForTesting(root, textarea, textarea_div,
textarea_text, textarea_line1,
textarea_line2, text_field, text_field_div,
text_field_text, text_field_line),
node_id_delegate_, test_browser_accessibility_delegate_.get()));
ASSERT_NE(nullptr, manager->GetBrowserAccessibilityRoot());
BrowserAccessibilityWin* root_accessible =
ToBrowserAccessibilityWin(manager->GetBrowserAccessibilityRoot());
ASSERT_NE(nullptr, root_accessible);
ASSERT_EQ(2U, root_accessible->PlatformChildCount());
BrowserAccessibilityWin* textarea_accessible =
ToBrowserAccessibilityWin(root_accessible->PlatformGetChild(0));
ASSERT_NE(nullptr, textarea_accessible);
BrowserAccessibilityWin* text_field_accessible =
ToBrowserAccessibilityWin(root_accessible->PlatformGetChild(1));
ASSERT_NE(nullptr, text_field_accessible);
Microsoft::WRL::ComPtr<IAccessibleText> textarea_object;
EXPECT_HRESULT_SUCCEEDED(textarea_accessible->GetCOM()->QueryInterface(
IID_PPV_ARGS(&textarea_object)));
Microsoft::WRL::ComPtr<IAccessibleText> text_field_object;
EXPECT_HRESULT_SUCCEEDED(text_field_accessible->GetCOM()->QueryInterface(
IID_PPV_ARGS(&text_field_object)));
LONG offset = 0;
while (offset < static_cast<LONG>(text.length())) {
LONG start, end;
base::win::ScopedBstr word;
EXPECT_EQ(S_OK,
textarea_object->get_textAtOffset(offset, IA2_TEXT_BOUNDARY_WORD,
&start, &end, word.Receive()));
EXPECT_EQ(offset, start);
EXPECT_LT(offset, end);
LONG space_offset = static_cast<LONG>(text.find(' ', offset));
EXPECT_EQ(space_offset + 1, end);
LONG length = end - start;
EXPECT_EQ(base::ASCIIToWide(text.substr(start, length)), word.Get());
word.Reset();
offset = end;
}
offset = 0;
while (offset < static_cast<LONG>(line1.length())) {
LONG start, end;
base::win::ScopedBstr word;
EXPECT_EQ(S_OK, text_field_object->get_textAtOffset(
offset, IA2_TEXT_BOUNDARY_WORD, &start, &end,
word.Receive()));
EXPECT_EQ(offset, start);
EXPECT_LT(offset, end);
LONG space_offset = static_cast<LONG>(line1.find(' ', offset));
EXPECT_EQ(space_offset + 1, end);
LONG length = end - start;
EXPECT_EQ(base::ASCIIToWide(text.substr(start, length)), word.Get());
word.Reset();
offset = end;
}
textarea_object.Reset();
text_field_object.Reset();
manager.reset();
}
TEST_F(BrowserAccessibilityWinTest, TextBoundariesOnlyEmbeddedObjectsNoCrash) {
// Update the tree structure to test get_textAtOffset from an
// embedded object that has no text, only an embedded object child.
//
// +-1 root_data
// +-2 menu_data
// | +-3 button_1_data
// | +-4 button_2_data
// +-5 static_text_data "after"
//
AXNodeData root_data;
root_data.id = 1;
root_data.role = ax::mojom::Role::kRootWebArea;
AXNodeData menu_data;
menu_data.id = 2;
menu_data.role = ax::mojom::Role::kMenu;
AXNodeData button_1_data;
button_1_data.id = 3;
button_1_data.role = ax::mojom::Role::kButton;
AXNodeData button_2_data;
button_2_data.id = 4;
button_2_data.role = ax::mojom::Role::kButton;
AXNodeData static_text_data;
static_text_data.id = 5;
static_text_data.role = ax::mojom::Role::kStaticText;
static_text_data.SetName("after");
root_data.child_ids = {menu_data.id, static_text_data.id};
menu_data.child_ids = {button_1_data.id, button_2_data.id};
std::unique_ptr<BrowserAccessibilityManager> manager(
BrowserAccessibilityManager::Create(
MakeAXTreeUpdateForTesting(root_data, menu_data, button_1_data,
button_2_data, static_text_data),
node_id_delegate_, test_browser_accessibility_delegate_.get()));
ASSERT_NE(nullptr, manager->GetBrowserAccessibilityRoot());
BrowserAccessibilityWin* root_accessible =
ToBrowserAccessibilityWin(manager->GetBrowserAccessibilityRoot());
ASSERT_NE(nullptr, root_accessible);
ASSERT_EQ(2U, root_accessible->PlatformChildCount());
BrowserAccessibilityComWin* menu_accessible_com =
ToBrowserAccessibilityComWin(root_accessible->PlatformGetChild(0));
ASSERT_NE(nullptr, menu_accessible_com);
ASSERT_EQ(ax::mojom::Role::kMenu, menu_accessible_com->GetRole());
EXPECT_IA2_TEXT_AT_OFFSET(
menu_accessible_com, 0, IA2_TEXT_BOUNDARY_CHAR,
/*expected_hr=*/S_OK, /*start=*/0, /*end=*/1,
/*text=*/
base::as_wcstr(std::u16string{AXPlatformNodeBase::kEmbeddedCharacter}));
}
TEST_F(BrowserAccessibilityWinTest,
DISABLED_TestTextBoundariesEmbeddedCharacterText) {
// Update the tree structure to test empty leaf text positions.
//
// +-1 root_data
// +-2 body_data
// +-3 static_text_1_data "before"
// | +-4 inline_text_1_data "before"
// +-5 menu_data_1
// | +-6 button_data
// | +-7 button_leaf_container_data
// | +-8 button_leaf_svg_data
// +-9 menu_data_2
// +-10 static_text_2_data "after"
// | +-11 inline_text_2_data "after"
// +-12 static_text_3_data "tail"
// | +-13 inline_text_3_data "tail"
//
AXNodeData root_data;
root_data.id = 1;
root_data.role = ax::mojom::Role::kRootWebArea;
AXNodeData body_data;
body_data.id = 2;
body_data.role = ax::mojom::Role::kGenericContainer;
AXNodeData static_text_1_data;
static_text_1_data.id = 3;
static_text_1_data.role = ax::mojom::Role::kStaticText;
static_text_1_data.SetName("before");
AXNodeData inline_text_1_data;
inline_text_1_data.id = 4;
inline_text_1_data.role = ax::mojom::Role::kInlineTextBox;
inline_text_1_data.SetName("before");
AXNodeData menu_data_1;
menu_data_1.id = 5;
menu_data_1.role = ax::mojom::Role::kMenu;
AXNodeData button_data;
button_data.id = 6;
button_data.role = ax::mojom::Role::kButton;
AXNodeData button_leaf_container_data;
button_leaf_container_data.id = 7;
button_leaf_container_data.role = ax::mojom::Role::kGenericContainer;
AXNodeData button_leaf_svg_data;
button_leaf_svg_data.id = 8;
button_leaf_svg_data.role = ax::mojom::Role::kSvgRoot;
AXNodeData menu_data_2;
menu_data_2.id = 9;
menu_data_2.role = ax::mojom::Role::kMenu;
AXNodeData static_text_2_data;
static_text_2_data.id = 10;
static_text_2_data.role = ax::mojom::Role::kStaticText;
static_text_2_data.SetName("after");
AXNodeData inline_text_2_data;
inline_text_2_data.id = 11;
inline_text_2_data.role = ax::mojom::Role::kInlineTextBox;
inline_text_2_data.SetName("after");
AXNodeData static_text_3_data;
static_text_3_data.id = 12;
static_text_3_data.role = ax::mojom::Role::kStaticText;
static_text_3_data.SetName("tail");
AXNodeData inline_text_3_data;
inline_text_3_data.id = 13;
inline_text_3_data.role = ax::mojom::Role::kInlineTextBox;
inline_text_3_data.SetName("tail");
root_data.child_ids = {body_data.id};
body_data.child_ids = {static_text_1_data.id, menu_data_1.id, menu_data_2.id,
static_text_2_data.id, static_text_3_data.id};
menu_data_1.child_ids = {button_data.id};
button_data.child_ids = {button_leaf_container_data.id,
button_leaf_svg_data.id};
static_text_1_data.child_ids = {inline_text_1_data.id};
static_text_2_data.child_ids = {inline_text_2_data.id};
static_text_3_data.child_ids = {inline_text_3_data.id};
AXTreeUpdate update;
AXTreeData tree_data;
tree_data.tree_id = AXTreeID::CreateNewAXTreeID();
tree_data.focused_tree_id = tree_data.tree_id;
update.tree_data = tree_data;
update.has_tree_data = true;
update.root_id = root_data.id;
update.nodes = {root_data,
body_data,
static_text_1_data,
inline_text_1_data,
menu_data_1,
button_data,
button_leaf_container_data,
button_leaf_svg_data,
menu_data_2,
static_text_2_data,
inline_text_2_data,
static_text_3_data,
inline_text_3_data};
std::unique_ptr<BrowserAccessibilityManager> manager(
BrowserAccessibilityManager::Create(
update, node_id_delegate_,
test_browser_accessibility_delegate_.get()));
ASSERT_NE(nullptr, manager->GetBrowserAccessibilityRoot());
BrowserAccessibilityWin* root_accessible =
ToBrowserAccessibilityWin(manager->GetBrowserAccessibilityRoot());
ASSERT_NE(nullptr, root_accessible);
ASSERT_EQ(1U, root_accessible->PlatformChildCount());
BrowserAccessibilityWin* body_accessible =
ToBrowserAccessibilityWin(root_accessible->PlatformGetChild(0));
ASSERT_NE(nullptr, body_accessible);
ASSERT_EQ(5U, body_accessible->PlatformChildCount());
BrowserAccessibilityComWin* body_accessible_com = body_accessible->GetCOM();
ASSERT_NE(nullptr, body_accessible_com);
BrowserAccessibilityComWin* static_text_1_com =
ToBrowserAccessibilityWin(body_accessible->PlatformGetChild(0))->GetCOM();
ASSERT_NE(nullptr, static_text_1_com);
ASSERT_EQ(ax::mojom::Role::kStaticText, static_text_1_com->GetRole());
BrowserAccessibilityComWin* menu_1_accessible_com =
ToBrowserAccessibilityWin(body_accessible->PlatformGetChild(1))->GetCOM();
ASSERT_NE(nullptr, menu_1_accessible_com);
ASSERT_EQ(ax::mojom::Role::kMenu, menu_1_accessible_com->GetRole());
BrowserAccessibilityComWin* menu_2_accessible_com =
ToBrowserAccessibilityWin(body_accessible->PlatformGetChild(2))->GetCOM();
ASSERT_NE(nullptr, menu_2_accessible_com);
ASSERT_EQ(ax::mojom::Role::kMenu, menu_2_accessible_com->GetRole());
BrowserAccessibilityComWin* static_text_2_com =
ToBrowserAccessibilityWin(body_accessible->PlatformGetChild(3))->GetCOM();
ASSERT_NE(nullptr, static_text_2_com);
ASSERT_EQ(ax::mojom::Role::kStaticText, static_text_2_com->GetRole());
BrowserAccessibilityComWin* static_text_3_com =
ToBrowserAccessibilityWin(body_accessible->PlatformGetChild(4))->GetCOM();
ASSERT_NE(nullptr, static_text_3_com);
ASSERT_EQ(ax::mojom::Role::kStaticText, static_text_3_com->GetRole());
// [obj] stands for the embedded object replacement character \xFFFC.
// L"<b>efore" [obj] [obj] L"after" L"tail"
EXPECT_IA2_TEXT_AT_OFFSET(body_accessible_com, 0, IA2_TEXT_BOUNDARY_CHAR,
/*expected_hr=*/S_OK, /*start=*/0, /*end=*/1,
/*text=*/L"b");
// L"bef<o>re" [obj] [obj] L"after" L"tail"
EXPECT_IA2_TEXT_AT_OFFSET(body_accessible_com, 3, IA2_TEXT_BOUNDARY_CHAR,
/*expected_hr=*/S_OK, /*start=*/3, /*end=*/4,
/*text=*/L"o");
// L"befor<e>" [obj] [obj] L"after" L"tail"
EXPECT_IA2_TEXT_AT_OFFSET(body_accessible_com, 5, IA2_TEXT_BOUNDARY_CHAR,
/*expected_hr=*/S_OK, /*start=*/5, /*end=*/6,
/*text=*/L"e");
// L"before" <[obj]> [obj] L"after" L"tail"
EXPECT_IA2_TEXT_AT_OFFSET(
body_accessible_com, 6, IA2_TEXT_BOUNDARY_CHAR,
/*expected_hr=*/S_OK, /*start=*/6, /*end=*/7,
/*text=*/
base::as_wcstr(std::u16string{AXPlatformNodeBase::kEmbeddedCharacter}));
// L"before" [obj] <[obj]> L"after" L"tail"
EXPECT_IA2_TEXT_AT_OFFSET(
body_accessible_com, 7, IA2_TEXT_BOUNDARY_CHAR,
/*expected_hr=*/S_OK, /*start=*/7, /*end=*/8,
/*text=*/
base::as_wcstr(std::u16string{AXPlatformNodeBase::kEmbeddedCharacter}));
// L"before" [obj] [obj] L"<a>fter" L"tail"
EXPECT_IA2_TEXT_AT_OFFSET(body_accessible_com, 8, IA2_TEXT_BOUNDARY_CHAR,
/*expected_hr=*/S_OK, /*start=*/8, /*end=*/9,
/*text=*/L"a");
// L"before" [obj] [obj] L"a<f>ter" L"tail"
EXPECT_IA2_TEXT_AT_OFFSET(body_accessible_com, 9, IA2_TEXT_BOUNDARY_CHAR,
/*expected_hr=*/S_OK, /*start=*/9, /*end=*/10,
/*text=*/L"f");
// L"before" [obj] [obj] L"afte<r>" L"tail"
EXPECT_IA2_TEXT_AT_OFFSET(body_accessible_com, 12, IA2_TEXT_BOUNDARY_CHAR,
/*expected_hr=*/S_OK, /*start=*/12, /*end=*/13,
/*text=*/L"r");
// L"before" [obj] [obj] L"after" L"<t>ail"
EXPECT_IA2_TEXT_AT_OFFSET(body_accessible_com, 13, IA2_TEXT_BOUNDARY_CHAR,
/*expected_hr=*/S_OK, /*start=*/13, /*end=*/14,
/*text=*/L"t");
// L"before" [obj] [obj] L"after" L"ta<i>l"
EXPECT_IA2_TEXT_AT_OFFSET(body_accessible_com, 15, IA2_TEXT_BOUNDARY_CHAR,
/*expected_hr=*/S_OK, /*start=*/15, /*end=*/16,
/*text=*/L"i");
// L"before" [obj] [obj] L"after" L"tai<l>"
EXPECT_IA2_TEXT_AT_OFFSET(body_accessible_com, 16, IA2_TEXT_BOUNDARY_CHAR,
/*expected_hr=*/S_OK, /*start=*/16, /*end=*/17,
/*text=*/L"l");
// L"before" [obj] [obj] L"after" L"tail<>"
EXPECT_IA2_TEXT_AT_OFFSET(body_accessible_com, 17, IA2_TEXT_BOUNDARY_CHAR,
/*expected_hr=*/E_INVALIDARG, /*start=*/0,
/*end=*/0,
/*text=*/nullptr);
// L"<b>efore"
EXPECT_IA2_TEXT_AT_OFFSET(static_text_1_com, 0, IA2_TEXT_BOUNDARY_CHAR,
/*expected_hr=*/S_OK, /*start=*/0, /*end=*/1,
/*text=*/L"b");
// L"be<f>ore"
EXPECT_IA2_TEXT_AT_OFFSET(static_text_1_com, 2, IA2_TEXT_BOUNDARY_CHAR,
/*expected_hr=*/S_OK, /*start=*/2, /*end=*/3,
/*text=*/L"f");
// L"before<>"
EXPECT_IA2_TEXT_AT_OFFSET(static_text_1_com, 6, IA2_TEXT_BOUNDARY_CHAR,
/*expected_hr=*/E_INVALIDARG, /*start=*/0,
/*end=*/0,
/*text=*/nullptr);
// <[obj]>
EXPECT_IA2_TEXT_AT_OFFSET(
menu_1_accessible_com, 0, IA2_TEXT_BOUNDARY_CHAR,
/*expected_hr=*/S_OK, /*start=*/0, /*end=*/1,
/*text=*/
base::as_wcstr(std::u16string{AXPlatformNodeBase::kEmbeddedCharacter}));
// [obj]<>
EXPECT_IA2_TEXT_AT_OFFSET(menu_1_accessible_com, 1, IA2_TEXT_BOUNDARY_CHAR,
/*expected_hr=*/E_INVALIDARG, /*start=*/0,
/*end=*/0,
/*text=*/nullptr);
// L"<>"
EXPECT_IA2_TEXT_AT_OFFSET(menu_2_accessible_com, 0, IA2_TEXT_BOUNDARY_CHAR,
/*expected_hr=*/E_INVALIDARG, /*start=*/0,
/*end=*/0,
/*text=*/nullptr);
// L"<a>fter"
EXPECT_IA2_TEXT_AT_OFFSET(static_text_2_com, 0, IA2_TEXT_BOUNDARY_CHAR,
/*expected_hr=*/S_OK, /*start=*/0, /*end=*/1,
/*text=*/L"a");
// L"af<t>er"
EXPECT_IA2_TEXT_AT_OFFSET(static_text_2_com, 2, IA2_TEXT_BOUNDARY_CHAR,
/*expected_hr=*/S_OK, /*start=*/2, /*end=*/3,
/*text=*/L"t");
// L"after<>"
EXPECT_IA2_TEXT_AT_OFFSET(static_text_2_com, 5, IA2_TEXT_BOUNDARY_CHAR,
/*expected_hr=*/E_INVALIDARG, /*start=*/0,
/*end=*/0,
/*text=*/nullptr);
// L"<t>ail"
EXPECT_IA2_TEXT_AT_OFFSET(static_text_3_com, 0, IA2_TEXT_BOUNDARY_CHAR,
/*expected_hr=*/S_OK, /*start=*/0, /*end=*/1,
/*text=*/L"t");
// L"ta<i>l"
EXPECT_IA2_TEXT_AT_OFFSET(static_text_3_com, 2, IA2_TEXT_BOUNDARY_CHAR,
/*expected_hr=*/S_OK, /*start=*/2, /*end=*/3,
/*text=*/L"i");
// L"tail<>"
EXPECT_IA2_TEXT_AT_OFFSET(static_text_3_com, 4, IA2_TEXT_BOUNDARY_CHAR,
/*expected_hr=*/E_INVALIDARG, /*start=*/0,
/*end=*/0,
/*text=*/nullptr);
// L"before" [obj] <[obj]> L"<a>fter" L"tail"
EXPECT_IA2_TEXT_BEFORE_OFFSET(
body_accessible_com, 7, IA2_TEXT_BOUNDARY_CHAR,
/*expected_hr=*/S_OK, /*start=*/6, /*end=*/7,
/*text=*/
base::as_wcstr(std::u16string{AXPlatformNodeBase::kEmbeddedCharacter}));
// L"before" <[obj]> [obj] L"after" L"tail"
EXPECT_IA2_TEXT_BEFORE_OFFSET(body_accessible_com, 6, IA2_TEXT_BOUNDARY_CHAR,
/*expected_hr=*/S_OK, /*start=*/5, /*end=*/6,
/*text=*/L"e");
// <[obj]>
EXPECT_IA2_TEXT_BEFORE_OFFSET(menu_1_accessible_com, 0,
IA2_TEXT_BOUNDARY_CHAR,
/*expected_hr=*/S_FALSE, /*start=*/0, /*end=*/0,
/*text=*/nullptr);
// L"<>"
EXPECT_IA2_TEXT_BEFORE_OFFSET(menu_2_accessible_com, 0,
IA2_TEXT_BOUNDARY_CHAR,
/*expected_hr=*/E_INVALIDARG, /*start=*/0,
/*end=*/0,
/*text=*/nullptr);
// L"befor<e>" [obj] <[obj]> L"after" L"tail"
EXPECT_IA2_TEXT_AFTER_OFFSET(
body_accessible_com, 5, IA2_TEXT_BOUNDARY_CHAR,
/*expected_hr=*/S_OK, /*start=*/6, /*end=*/7,
/*text=*/
base::as_wcstr(std::u16string{AXPlatformNodeBase::kEmbeddedCharacter}));
// L"before" <[obj]> [obj] L"after" L"tail"
EXPECT_IA2_TEXT_AFTER_OFFSET(
body_accessible_com, 6, IA2_TEXT_BOUNDARY_CHAR,
/*expected_hr=*/S_OK, /*start=*/7, /*end=*/8,
/*text=*/
base::as_wcstr(std::u16string{AXPlatformNodeBase::kEmbeddedCharacter}));
// <[obj]>
EXPECT_IA2_TEXT_AFTER_OFFSET(menu_1_accessible_com, 0, IA2_TEXT_BOUNDARY_CHAR,
/*expected_hr=*/S_FALSE, /*start=*/0, /*end=*/0,
/*text=*/nullptr);
// L"<>"
EXPECT_IA2_TEXT_AFTER_OFFSET(menu_2_accessible_com, 0, IA2_TEXT_BOUNDARY_CHAR,
/*expected_hr=*/E_INVALIDARG, /*start=*/0,
/*end=*/0,
/*text=*/nullptr);
}
TEST_F(BrowserAccessibilityWinTest, TestCaretAndSelectionInSimpleFields) {
AXNodeData root;
root.id = 1;
root.role = ax::mojom::Role::kRootWebArea;
root.AddState(ax::mojom::State::kFocusable);
AXNodeData combo_box;
combo_box.id = 2;
combo_box.role = ax::mojom::Role::kTextFieldWithComboBox;
combo_box.AddState(ax::mojom::State::kEditable);
combo_box.AddStringAttribute(ax::mojom::StringAttribute::kHtmlTag, "input");
combo_box.AddStringAttribute(ax::mojom::StringAttribute::kInputType, "text");
combo_box.AddState(ax::mojom::State::kFocusable);
combo_box.SetValue("Test1");
// Place the caret between 't' and 'e'.
combo_box.AddIntAttribute(ax::mojom::IntAttribute::kTextSelStart, 1);
combo_box.AddIntAttribute(ax::mojom::IntAttribute::kTextSelEnd, 1);
AXNodeData text_field;
text_field.id = 3;
text_field.role = ax::mojom::Role::kTextField;
text_field.AddState(ax::mojom::State::kEditable);
text_field.AddStringAttribute(ax::mojom::StringAttribute::kHtmlTag, "input");
text_field.AddStringAttribute(ax::mojom::StringAttribute::kInputType, "text");
text_field.AddState(ax::mojom::State::kFocusable);
text_field.SetValue("Test2");
// Select the letter 'e'.
text_field.AddIntAttribute(ax::mojom::IntAttribute::kTextSelStart, 1);
text_field.AddIntAttribute(ax::mojom::IntAttribute::kTextSelEnd, 2);
root.child_ids.push_back(2);
root.child_ids.push_back(3);
std::unique_ptr<BrowserAccessibilityManager> manager(
BrowserAccessibilityManager::Create(
MakeAXTreeUpdateForTesting(root, combo_box, text_field),
node_id_delegate_, test_browser_accessibility_delegate_.get()));
ASSERT_NE(nullptr, manager->GetBrowserAccessibilityRoot());
BrowserAccessibilityWin* root_accessible =
ToBrowserAccessibilityWin(manager->GetBrowserAccessibilityRoot());
ASSERT_NE(nullptr, root_accessible);
ASSERT_EQ(2U, root_accessible->PlatformChildCount());
BrowserAccessibilityWin* combo_box_accessible =
ToBrowserAccessibilityWin(root_accessible->PlatformGetChild(0));
ASSERT_NE(nullptr, combo_box_accessible);
AXTreeData data = manager->GetTreeData();
data.focus_id = combo_box_accessible->GetId();
data.sel_anchor_object_id = combo_box_accessible->GetId();
data.sel_focus_object_id = combo_box_accessible->GetId();
manager->ax_tree()->UpdateDataForTesting(data);
ASSERT_EQ(combo_box_accessible,
ToBrowserAccessibilityWin(manager->GetFocus()));
BrowserAccessibilityWin* text_field_accessible =
ToBrowserAccessibilityWin(root_accessible->PlatformGetChild(1));
ASSERT_NE(nullptr, text_field_accessible);
// -2 is never a valid offset.
LONG caret_offset = -2;
LONG n_selections = -2;
LONG selection_start = -2;
LONG selection_end = -2;
// Test get_caretOffset.
HRESULT hr = combo_box_accessible->GetCOM()->get_caretOffset(&caret_offset);
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(1, caret_offset);
// The caret should not be visible because the text field is not focused.
hr = text_field_accessible->GetCOM()->get_caretOffset(&caret_offset);
EXPECT_EQ(S_FALSE, hr);
EXPECT_EQ(0, caret_offset);
// Move the focus to the text field.
data = manager->GetTreeData();
data.focus_id = text_field_accessible->GetId();
data.sel_anchor_object_id = text_field_accessible->GetId();
data.sel_focus_object_id = text_field_accessible->GetId();
manager->ax_tree()->UpdateDataForTesting(data);
ASSERT_EQ(text_field_accessible,
ToBrowserAccessibilityWin(manager->GetFocus()));
// The caret should now appear at the end of the text field.
hr = text_field_accessible->GetCOM()->get_caretOffset(&caret_offset);
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(2, caret_offset);
// Test get_nSelections.
hr = combo_box_accessible->GetCOM()->get_nSelections(&n_selections);
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(0, n_selections);
hr = text_field_accessible->GetCOM()->get_nSelections(&n_selections);
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(1, n_selections);
// Test get_selection.
hr = combo_box_accessible->GetCOM()->get_selection(
0L /* selection_index */, &selection_start, &selection_end);
EXPECT_EQ(E_INVALIDARG, hr); // No selections available.
hr = text_field_accessible->GetCOM()->get_selection(
0L /* selection_index */, &selection_start, &selection_end);
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(1, selection_start);
EXPECT_EQ(2, selection_end);
manager.reset();
}
TEST_F(BrowserAccessibilityWinTest, TestCaretInContentEditables) {
AXNodeData root;
root.id = 1;
root.role = ax::mojom::Role::kRootWebArea;
root.AddState(ax::mojom::State::kFocusable);
AXNodeData div_editable;
div_editable.id = 2;
div_editable.role = ax::mojom::Role::kGenericContainer;
div_editable.AddState(ax::mojom::State::kEditable);
div_editable.AddState(ax::mojom::State::kRichlyEditable);
div_editable.AddState(ax::mojom::State::kFocusable);
div_editable.AddBoolAttribute(
ax::mojom::BoolAttribute::kNonAtomicTextFieldRoot, true);
AXNodeData text;
text.id = 3;
text.role = ax::mojom::Role::kStaticText;
text.AddState(ax::mojom::State::kEditable);
text.AddState(ax::mojom::State::kRichlyEditable);
text.SetName("Click ");
AXNodeData link;
link.id = 4;
link.role = ax::mojom::Role::kLink;
link.AddState(ax::mojom::State::kEditable);
link.AddState(ax::mojom::State::kRichlyEditable);
link.AddState(ax::mojom::State::kFocusable);
link.AddState(ax::mojom::State::kLinked);
link.SetName("here");
AXNodeData link_text;
link_text.id = 5;
link_text.role = ax::mojom::Role::kStaticText;
link_text.AddState(ax::mojom::State::kEditable);
link_text.AddState(ax::mojom::State::kRichlyEditable);
link_text.AddState(ax::mojom::State::kFocusable);
link_text.AddState(ax::mojom::State::kLinked);
link_text.SetName("here");
root.child_ids.push_back(2);
div_editable.child_ids.push_back(3);
div_editable.child_ids.push_back(4);
link.child_ids.push_back(5);
AXTreeUpdate update =
MakeAXTreeUpdateForTesting(root, div_editable, link, link_text, text);
// Place the caret between 'h' and 'e'.
update.has_tree_data = true;
update.tree_data.sel_anchor_object_id = 5;
update.tree_data.sel_anchor_offset = 1;
update.tree_data.sel_focus_object_id = 5;
update.tree_data.sel_focus_offset = 1;
std::unique_ptr<BrowserAccessibilityManager> manager(
BrowserAccessibilityManager::Create(
update, node_id_delegate_,
test_browser_accessibility_delegate_.get()));
ASSERT_NE(nullptr, manager->GetBrowserAccessibilityRoot());
BrowserAccessibilityWin* root_accessible =
ToBrowserAccessibilityWin(manager->GetBrowserAccessibilityRoot());
ASSERT_NE(nullptr, root_accessible);
ASSERT_EQ(1U, root_accessible->PlatformChildCount());
BrowserAccessibilityWin* div_editable_accessible =
ToBrowserAccessibilityWin(root_accessible->PlatformGetChild(0));
ASSERT_NE(nullptr, div_editable_accessible);
ASSERT_EQ(2U, div_editable_accessible->PlatformChildCount());
// -2 is never a valid offset.
LONG caret_offset = -2;
LONG n_selections = -2;
// No selection should be present.
HRESULT hr =
div_editable_accessible->GetCOM()->get_nSelections(&n_selections);
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(0, n_selections);
// The caret should be on the embedded object character.
hr = div_editable_accessible->GetCOM()->get_caretOffset(&caret_offset);
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(6, caret_offset);
// Move the focus to the content editable.
AXTreeData data = manager->GetTreeData();
data.focus_id = div_editable_accessible->GetId();
manager->ax_tree()->UpdateDataForTesting(data);
ASSERT_EQ(div_editable_accessible,
ToBrowserAccessibilityWin(manager->GetFocus()));
BrowserAccessibilityWin* text_accessible =
ToBrowserAccessibilityWin(div_editable_accessible->PlatformGetChild(0));
ASSERT_NE(nullptr, text_accessible);
BrowserAccessibilityWin* link_accessible =
ToBrowserAccessibilityWin(div_editable_accessible->PlatformGetChild(1));
ASSERT_NE(nullptr, link_accessible);
ASSERT_EQ(1U, link_accessible->PlatformChildCount());
BrowserAccessibilityWin* link_text_accessible =
ToBrowserAccessibilityWin(link_accessible->PlatformGetChild(0));
ASSERT_NE(nullptr, link_text_accessible);
// The caret should not have moved.
hr = div_editable_accessible->GetCOM()->get_nSelections(&n_selections);
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(0, n_selections);
hr = div_editable_accessible->GetCOM()->get_caretOffset(&caret_offset);
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(6, caret_offset);
hr = link_accessible->GetCOM()->get_nSelections(&n_selections);
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(0, n_selections);
hr = link_text_accessible->GetCOM()->get_nSelections(&n_selections);
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(0, n_selections);
hr = link_accessible->GetCOM()->get_caretOffset(&caret_offset);
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(1, caret_offset);
hr = link_text_accessible->GetCOM()->get_caretOffset(&caret_offset);
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(1, caret_offset);
manager.reset();
}
TEST_F(BrowserAccessibilityWinTest, TestSelectionInContentEditables) {
AXNodeData root;
root.id = 1;
root.role = ax::mojom::Role::kRootWebArea;
root.AddState(ax::mojom::State::kFocusable);
AXNodeData div_editable;
div_editable.id = 2;
div_editable.role = ax::mojom::Role::kGenericContainer;
div_editable.AddState(ax::mojom::State::kFocusable);
div_editable.AddState(ax::mojom::State::kEditable);
AXNodeData text;
text.id = 3;
text.role = ax::mojom::Role::kStaticText;
text.AddState(ax::mojom::State::kFocusable);
text.AddState(ax::mojom::State::kEditable);
text.SetName("Click ");
AXNodeData link;
link.id = 4;
link.role = ax::mojom::Role::kLink;
link.AddState(ax::mojom::State::kFocusable);
link.AddState(ax::mojom::State::kEditable);
link.AddState(ax::mojom::State::kLinked);
link.SetName("here");
AXNodeData link_text;
link_text.id = 5;
link_text.role = ax::mojom::Role::kStaticText;
link_text.AddState(ax::mojom::State::kFocusable);
link_text.AddState(ax::mojom::State::kEditable);
link_text.AddState(ax::mojom::State::kLinked);
link_text.SetName("here");
root.child_ids.push_back(2);
div_editable.child_ids.push_back(3);
div_editable.child_ids.push_back(4);
link.child_ids.push_back(5);
AXTreeUpdate update =
MakeAXTreeUpdateForTesting(root, div_editable, link, link_text, text);
// Select the following part of the text: "lick here".
update.has_tree_data = true;
update.tree_data.sel_anchor_object_id = 3;
update.tree_data.sel_anchor_offset = 1;
update.tree_data.sel_focus_object_id = 5;
update.tree_data.sel_focus_offset = 4;
std::unique_ptr<BrowserAccessibilityManager> manager(
BrowserAccessibilityManager::Create(
update, node_id_delegate_,
test_browser_accessibility_delegate_.get()));
ASSERT_NE(nullptr, manager->GetBrowserAccessibilityRoot());
BrowserAccessibilityWin* root_accessible =
ToBrowserAccessibilityWin(manager->GetBrowserAccessibilityRoot());
ASSERT_NE(nullptr, root_accessible);
ASSERT_EQ(1U, root_accessible->PlatformChildCount());
BrowserAccessibilityWin* div_editable_accessible =
ToBrowserAccessibilityWin(root_accessible->PlatformGetChild(0));
ASSERT_NE(nullptr, div_editable_accessible);
ASSERT_EQ(2U, div_editable_accessible->PlatformChildCount());
// -2 is never a valid offset.
LONG caret_offset = -2;
LONG n_selections = -2;
LONG selection_start = -2;
LONG selection_end = -2;
BrowserAccessibilityWin* text_accessible =
ToBrowserAccessibilityWin(div_editable_accessible->PlatformGetChild(0));
ASSERT_NE(nullptr, text_accessible);
BrowserAccessibilityWin* link_accessible =
ToBrowserAccessibilityWin(div_editable_accessible->PlatformGetChild(1));
ASSERT_NE(nullptr, link_accessible);
ASSERT_EQ(1U, link_accessible->PlatformChildCount());
BrowserAccessibilityWin* link_text_accessible =
ToBrowserAccessibilityWin(link_accessible->PlatformGetChild(0));
ASSERT_NE(nullptr, link_text_accessible);
// get_nSelections should work on all objects.
HRESULT hr =
div_editable_accessible->GetCOM()->get_nSelections(&n_selections);
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(1, n_selections);
hr = text_accessible->GetCOM()->get_nSelections(&n_selections);
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(1, n_selections);
hr = link_accessible->GetCOM()->get_nSelections(&n_selections);
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(1, n_selections);
hr = link_text_accessible->GetCOM()->get_nSelections(&n_selections);
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(1, n_selections);
// get_selection should be unaffected by focus placement.
hr = div_editable_accessible->GetCOM()->get_selection(
0L /* selection_index */, &selection_start, &selection_end);
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(1, selection_start);
// selection_end should be after embedded object character.
EXPECT_EQ(7, selection_end);
hr = text_accessible->GetCOM()->get_selection(
0L /* selection_index */, &selection_start, &selection_end);
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(1, selection_start);
// No embedded character on this object, only the first part of the text.
EXPECT_EQ(6, selection_end);
hr = link_accessible->GetCOM()->get_selection(
0L /* selection_index */, &selection_start, &selection_end);
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(0, selection_start);
EXPECT_EQ(4, selection_end);
hr = link_text_accessible->GetCOM()->get_selection(
0L /* selection_index */, &selection_start, &selection_end);
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(0, selection_start);
EXPECT_EQ(4, selection_end);
// The caret should be at the focus (the end) of the selection.
hr = div_editable_accessible->GetCOM()->get_caretOffset(&caret_offset);
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(6, caret_offset);
// Move the focus to the content editable.
AXTreeData data = manager->GetTreeData();
data.focus_id = div_editable_accessible->GetId();
manager->ax_tree()->UpdateDataForTesting(data);
ASSERT_EQ(div_editable_accessible,
ToBrowserAccessibilityWin(manager->GetFocus()));
// The caret should not have moved.
hr = div_editable_accessible->GetCOM()->get_caretOffset(&caret_offset);
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(6, caret_offset);
// The caret offset should reflect the position of the selection's focus in
// any given object.
hr = link_accessible->GetCOM()->get_caretOffset(&caret_offset);
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(4, caret_offset);
hr = link_text_accessible->GetCOM()->get_caretOffset(&caret_offset);
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(4, caret_offset);
hr = div_editable_accessible->GetCOM()->get_selection(
0L /* selection_index */, &selection_start, &selection_end);
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(1, selection_start);
EXPECT_EQ(7, selection_end);
manager.reset();
}
TEST_F(BrowserAccessibilityWinTest, TestIAccessibleHyperlink) {
AXNodeData root;
root.id = 1;
root.role = ax::mojom::Role::kRootWebArea;
root.AddState(ax::mojom::State::kFocusable);
AXNodeData div;
div.id = 2;
div.role = ax::mojom::Role::kGenericContainer;
div.AddState(ax::mojom::State::kFocusable);
AXNodeData text;
text.id = 3;
text.role = ax::mojom::Role::kStaticText;
text.SetName("Click ");
AXNodeData link;
link.id = 4;
link.role = ax::mojom::Role::kLink;
link.AddState(ax::mojom::State::kFocusable);
link.AddState(ax::mojom::State::kLinked);
link.SetName("here");
link.SetNameFrom(ax::mojom::NameFrom::kContents);
link.AddStringAttribute(ax::mojom::StringAttribute::kUrl, "example.com");
root.child_ids.push_back(div.id);
div.child_ids = {text.id, link.id};
std::unique_ptr<BrowserAccessibilityManager> manager(
BrowserAccessibilityManager::Create(
MakeAXTreeUpdateForTesting(root, div, link, text), node_id_delegate_,
test_browser_accessibility_delegate_.get()));
ASSERT_NE(nullptr, manager->GetBrowserAccessibilityRoot());
BrowserAccessibilityWin* root_accessible =
ToBrowserAccessibilityWin(manager->GetBrowserAccessibilityRoot());
ASSERT_NE(nullptr, root_accessible);
ASSERT_EQ(1U, root_accessible->PlatformChildCount());
BrowserAccessibilityWin* div_accessible =
ToBrowserAccessibilityWin(root_accessible->PlatformGetChild(0));
ASSERT_NE(nullptr, div_accessible);
ASSERT_EQ(2U, div_accessible->PlatformChildCount());
BrowserAccessibilityWin* text_accessible =
ToBrowserAccessibilityWin(div_accessible->PlatformGetChild(0));
ASSERT_NE(nullptr, text_accessible);
BrowserAccessibilityWin* link_accessible =
ToBrowserAccessibilityWin(div_accessible->PlatformGetChild(1));
ASSERT_NE(nullptr, link_accessible);
// -1 is never a valid value.
LONG n_actions = -1;
LONG start_index = -1;
LONG end_index = -1;
Microsoft::WRL::ComPtr<IAccessibleHyperlink> hyperlink;
base::win::ScopedVariant anchor;
base::win::ScopedVariant anchor_target;
base::win::ScopedBstr bstr;
std::u16string div_hypertext(u"Click ");
div_hypertext.push_back(AXPlatformNodeBase::kEmbeddedCharacter);
// div_accessible and link_accessible are the only IA2 hyperlinks.
EXPECT_HRESULT_FAILED(
root_accessible->GetCOM()->QueryInterface(IID_PPV_ARGS(&hyperlink)));
hyperlink.Reset();
EXPECT_HRESULT_SUCCEEDED(
div_accessible->GetCOM()->QueryInterface(IID_PPV_ARGS(&hyperlink)));
hyperlink.Reset();
EXPECT_HRESULT_FAILED(
text_accessible->GetCOM()->QueryInterface(IID_PPV_ARGS(&hyperlink)));
hyperlink.Reset();
EXPECT_HRESULT_SUCCEEDED(
link_accessible->GetCOM()->QueryInterface(IID_PPV_ARGS(&hyperlink)));
hyperlink.Reset();
EXPECT_HRESULT_SUCCEEDED(root_accessible->GetCOM()->nActions(&n_actions));
EXPECT_EQ(2, n_actions);
EXPECT_HRESULT_SUCCEEDED(div_accessible->GetCOM()->nActions(&n_actions));
EXPECT_EQ(2, n_actions);
EXPECT_HRESULT_SUCCEEDED(text_accessible->GetCOM()->nActions(&n_actions));
EXPECT_EQ(2, n_actions);
EXPECT_HRESULT_SUCCEEDED(link_accessible->GetCOM()->nActions(&n_actions));
EXPECT_EQ(2, n_actions);
EXPECT_HRESULT_FAILED(
root_accessible->GetCOM()->get_anchor(0, anchor.Receive()));
anchor.Reset();
HRESULT hr = div_accessible->GetCOM()->get_anchor(0, anchor.Receive());
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(VT_BSTR, anchor.type());
bstr.Reset(V_BSTR(anchor.ptr()));
EXPECT_EQ(div_hypertext, base::WideToUTF16(bstr.Get()));
bstr.Reset();
anchor.Reset();
EXPECT_HRESULT_FAILED(
text_accessible->GetCOM()->get_anchor(0, anchor.Receive()));
anchor.Reset();
hr = link_accessible->GetCOM()->get_anchor(0, anchor.Receive());
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(VT_BSTR, anchor.type());
bstr.Reset(V_BSTR(anchor.ptr()));
EXPECT_STREQ(L"here", bstr.Get());
bstr.Reset();
anchor.Reset();
EXPECT_HRESULT_FAILED(
div_accessible->GetCOM()->get_anchor(1, anchor.Receive()));
anchor.Reset();
EXPECT_HRESULT_FAILED(
link_accessible->GetCOM()->get_anchor(1, anchor.Receive()));
anchor.Reset();
EXPECT_HRESULT_FAILED(
root_accessible->GetCOM()->get_anchorTarget(0, anchor_target.Receive()));
anchor_target.Reset();
hr = div_accessible->GetCOM()->get_anchorTarget(0, anchor_target.Receive());
EXPECT_EQ(S_FALSE, hr);
EXPECT_EQ(VT_BSTR, anchor_target.type());
bstr.Reset(V_BSTR(anchor_target.ptr()));
// Target should be empty.
EXPECT_STREQ(L"", bstr.Get());
bstr.Reset();
anchor_target.Reset();
EXPECT_HRESULT_FAILED(
text_accessible->GetCOM()->get_anchorTarget(0, anchor_target.Receive()));
anchor_target.Reset();
hr = link_accessible->GetCOM()->get_anchorTarget(0, anchor_target.Receive());
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(VT_BSTR, anchor_target.type());
bstr.Reset(V_BSTR(anchor_target.ptr()));
EXPECT_STREQ(L"example.com", bstr.Get());
bstr.Reset();
anchor_target.Reset();
EXPECT_HRESULT_FAILED(
div_accessible->GetCOM()->get_anchorTarget(1, anchor_target.Receive()));
anchor_target.Reset();
EXPECT_HRESULT_FAILED(
link_accessible->GetCOM()->get_anchorTarget(1, anchor_target.Receive()));
anchor_target.Reset();
EXPECT_HRESULT_FAILED(
root_accessible->GetCOM()->get_startIndex(&start_index));
EXPECT_HRESULT_SUCCEEDED(
div_accessible->GetCOM()->get_startIndex(&start_index));
EXPECT_EQ(0, start_index);
EXPECT_HRESULT_FAILED(
text_accessible->GetCOM()->get_startIndex(&start_index));
EXPECT_HRESULT_SUCCEEDED(
link_accessible->GetCOM()->get_startIndex(&start_index));
EXPECT_EQ(6, start_index);
EXPECT_HRESULT_FAILED(root_accessible->GetCOM()->get_endIndex(&end_index));
EXPECT_HRESULT_SUCCEEDED(div_accessible->GetCOM()->get_endIndex(&end_index));
EXPECT_EQ(1, end_index);
EXPECT_HRESULT_FAILED(text_accessible->GetCOM()->get_endIndex(&end_index));
EXPECT_HRESULT_SUCCEEDED(link_accessible->GetCOM()->get_endIndex(&end_index));
EXPECT_EQ(7, end_index);
}
TEST_F(BrowserAccessibilityWinTest, TestTextAttributesInContentEditables) {
AXNodeData root;
root.id = 1;
root.role = ax::mojom::Role::kRootWebArea;
root.AddState(ax::mojom::State::kFocusable);
AXNodeData div_editable;
div_editable.id = 2;
div_editable.role = ax::mojom::Role::kGenericContainer;
div_editable.AddState(ax::mojom::State::kEditable);
div_editable.AddState(ax::mojom::State::kRichlyEditable);
div_editable.AddBoolAttribute(
ax::mojom::BoolAttribute::kNonAtomicTextFieldRoot, true);
div_editable.AddState(ax::mojom::State::kFocusable);
div_editable.AddStringAttribute(ax::mojom::StringAttribute::kFontFamily,
"Helvetica");
AXNodeData text_before;
text_before.id = 3;
text_before.role = ax::mojom::Role::kStaticText;
text_before.AddState(ax::mojom::State::kEditable);
text_before.AddState(ax::mojom::State::kRichlyEditable);
text_before.SetName("Before ");
text_before.AddTextStyle(ax::mojom::TextStyle::kBold);
text_before.AddTextStyle(ax::mojom::TextStyle::kItalic);
AXNodeData link;
link.id = 4;
link.role = ax::mojom::Role::kLink;
link.AddState(ax::mojom::State::kEditable);
link.AddState(ax::mojom::State::kRichlyEditable);
link.AddState(ax::mojom::State::kFocusable);
link.AddState(ax::mojom::State::kLinked);
link.SetName("lnk");
link.AddTextStyle(ax::mojom::TextStyle::kUnderline);
AXNodeData link_text;
link_text.id = 5;
link_text.role = ax::mojom::Role::kStaticText;
link_text.AddState(ax::mojom::State::kEditable);
link_text.AddState(ax::mojom::State::kRichlyEditable);
link_text.AddState(ax::mojom::State::kFocusable);
link_text.AddState(ax::mojom::State::kLinked);
link_text.SetName("lnk");
link_text.AddTextStyle(ax::mojom::TextStyle::kUnderline);
// The name "lnk" is misspelled.
std::vector<int32_t> marker_types{
static_cast<int32_t>(ax::mojom::MarkerType::kSpelling)};
std::vector<int32_t> highlight_types{
static_cast<int32_t>(ax::mojom::HighlightType::kNone)};
std::vector<int32_t> marker_starts{0};
std::vector<int32_t> marker_ends{3};
link_text.AddIntListAttribute(ax::mojom::IntListAttribute::kMarkerTypes,
marker_types);
link_text.AddIntListAttribute(ax::mojom::IntListAttribute::kHighlightTypes,
highlight_types);
link_text.AddIntListAttribute(ax::mojom::IntListAttribute::kMarkerStarts,
marker_starts);
link_text.AddIntListAttribute(ax::mojom::IntListAttribute::kMarkerEnds,
marker_ends);
AXNodeData text_after;
text_after.id = 6;
text_after.role = ax::mojom::Role::kStaticText;
text_after.AddState(ax::mojom::State::kEditable);
text_after.AddState(ax::mojom::State::kRichlyEditable);
text_after.SetName(" after.");
// Leave text style as normal.
root.child_ids.push_back(div_editable.id);
div_editable.child_ids.push_back(text_before.id);
div_editable.child_ids.push_back(link.id);
div_editable.child_ids.push_back(text_after.id);
link.child_ids.push_back(link_text.id);
AXTreeUpdate update = MakeAXTreeUpdateForTesting(
root, div_editable, text_before, link, link_text, text_after);
std::unique_ptr<BrowserAccessibilityManager> manager(
BrowserAccessibilityManager::Create(
update, node_id_delegate_,
test_browser_accessibility_delegate_.get()));
ASSERT_NE(nullptr, manager->GetBrowserAccessibilityRoot());
BrowserAccessibilityWin* ax_root =
ToBrowserAccessibilityWin(manager->GetBrowserAccessibilityRoot());
ASSERT_NE(nullptr, ax_root);
ASSERT_EQ(1U, ax_root->PlatformChildCount());
BrowserAccessibilityWin* ax_div =
ToBrowserAccessibilityWin(ax_root->PlatformGetChild(0));
ASSERT_NE(nullptr, ax_div);
ASSERT_EQ(3U, ax_div->PlatformChildCount());
BrowserAccessibilityWin* ax_before =
ToBrowserAccessibilityWin(ax_div->PlatformGetChild(0));
ASSERT_NE(nullptr, ax_before);
BrowserAccessibilityWin* ax_link =
ToBrowserAccessibilityWin(ax_div->PlatformGetChild(1));
ASSERT_NE(nullptr, ax_link);
ASSERT_EQ(1U, ax_link->PlatformChildCount());
BrowserAccessibilityWin* ax_after =
ToBrowserAccessibilityWin(ax_div->PlatformGetChild(2));
ASSERT_NE(nullptr, ax_after);
BrowserAccessibilityWin* ax_link_text =
ToBrowserAccessibilityWin(ax_link->PlatformGetChild(0));
ASSERT_NE(nullptr, ax_link_text);
HRESULT hr;
LONG n_characters, start_offset, end_offset;
base::win::ScopedBstr text_attributes;
ASSERT_HRESULT_SUCCEEDED(ax_root->GetCOM()->get_nCharacters(&n_characters));
ASSERT_EQ(1, n_characters);
ASSERT_HRESULT_SUCCEEDED(ax_div->GetCOM()->get_nCharacters(&n_characters));
ASSERT_EQ(15, n_characters);
// Test the style of the root.
hr = ax_root->GetCOM()->get_attributes(0, &start_offset, &end_offset,
text_attributes.Receive());
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(0, start_offset);
EXPECT_EQ(1, end_offset);
EXPECT_NE(std::wstring::npos,
std::wstring(text_attributes.Get()).find(L"font-family:Helvetica"));
text_attributes.Reset();
// Test the style of text_before.
for (LONG offset = 0; offset < 7; ++offset) {
hr = ax_div->GetCOM()->get_attributes(0, &start_offset, &end_offset,
text_attributes.Receive());
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(0, start_offset);
EXPECT_EQ(7, end_offset);
std::wstring attributes(text_attributes.Get());
EXPECT_NE(std::wstring::npos, attributes.find(L"font-family:Helvetica"));
EXPECT_NE(std::wstring::npos, attributes.find(L"font-weight:bold"));
EXPECT_NE(std::wstring::npos, attributes.find(L"font-style:italic"));
text_attributes.Reset();
}
// Test the style of the link.
hr = ax_link->GetCOM()->get_attributes(0, &start_offset, &end_offset,
text_attributes.Receive());
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(0, start_offset);
EXPECT_EQ(3, end_offset);
EXPECT_NE(std::wstring::npos,
std::wstring(text_attributes.Get()).find(L"font-family:Helvetica"));
EXPECT_EQ(std::wstring::npos,
std::wstring(text_attributes.Get()).find(L"font-weight:"));
EXPECT_EQ(std::wstring::npos,
std::wstring(text_attributes.Get()).find(L"font-style:"));
EXPECT_NE(
std::wstring::npos,
std::wstring(text_attributes.Get()).find(L"text-underline-style:solid"));
EXPECT_EQ(std::wstring::npos,
std::wstring(text_attributes.Get()).find(L"text-underline-type:"));
// For compatibility with Firefox, spelling attributes should also be
// propagated to the parent of static text leaves.
EXPECT_NE(std::wstring::npos,
std::wstring(text_attributes.Get()).find(L"invalid:spelling"));
text_attributes.Reset();
hr = ax_link_text->GetCOM()->get_attributes(2, &start_offset, &end_offset,
text_attributes.Receive());
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(0, start_offset);
EXPECT_EQ(3, end_offset);
EXPECT_NE(std::wstring::npos,
std::wstring(text_attributes.Get()).find(L"font-family:Helvetica"));
EXPECT_EQ(std::wstring::npos,
std::wstring(text_attributes.Get()).find(L"font-weight:"));
EXPECT_EQ(std::wstring::npos,
std::wstring(text_attributes.Get()).find(L"font-style:"));
EXPECT_NE(
std::wstring::npos,
std::wstring(text_attributes.Get()).find(L"text-underline-style:solid"));
EXPECT_EQ(std::wstring::npos,
std::wstring(text_attributes.Get()).find(L"text-underline-type:"));
EXPECT_NE(std::wstring::npos,
std::wstring(text_attributes.Get()).find(L"invalid:spelling"));
text_attributes.Reset();
// Test the style of text_after.
for (LONG offset = 8; offset < 15; ++offset) {
hr = ax_div->GetCOM()->get_attributes(offset, &start_offset, &end_offset,
text_attributes.Receive());
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(8, start_offset);
EXPECT_EQ(15, end_offset);
std::wstring attributes(text_attributes.Get());
EXPECT_NE(std::wstring::npos, attributes.find(L"font-family:Helvetica"));
EXPECT_EQ(std::wstring::npos, attributes.find(L"font-weight:"));
EXPECT_EQ(std::wstring::npos, attributes.find(L"font-style:"));
EXPECT_EQ(std::wstring::npos, std::wstring(text_attributes.Get())
.find(L"text-underline-style:solid"));
EXPECT_EQ(
std::wstring::npos,
std::wstring(text_attributes.Get()).find(L"text-underline-type:"));
EXPECT_EQ(std::wstring::npos, attributes.find(L"invalid:spelling"));
text_attributes.Reset();
}
// Test the style of the static text nodes.
hr = ax_before->GetCOM()->get_attributes(6, &start_offset, &end_offset,
text_attributes.Receive());
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(0, start_offset);
EXPECT_EQ(7, end_offset);
EXPECT_NE(std::wstring::npos,
std::wstring(text_attributes.Get()).find(L"font-family:Helvetica"));
EXPECT_NE(std::wstring::npos,
std::wstring(text_attributes.Get()).find(L"font-weight:bold"));
EXPECT_NE(std::wstring::npos,
std::wstring(text_attributes.Get()).find(L"font-style:italic"));
EXPECT_EQ(std::wstring::npos,
std::wstring(text_attributes.Get()).find(L"invalid:spelling"));
text_attributes.Reset();
hr = ax_after->GetCOM()->get_attributes(6, &start_offset, &end_offset,
text_attributes.Receive());
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(0, start_offset);
EXPECT_EQ(7, end_offset);
EXPECT_NE(std::wstring::npos,
std::wstring(text_attributes.Get()).find(L"font-family:Helvetica"));
EXPECT_EQ(std::wstring::npos,
std::wstring(text_attributes.Get()).find(L"font-weight:"));
EXPECT_EQ(std::wstring::npos,
std::wstring(text_attributes.Get()).find(L"font-style:"));
EXPECT_EQ(std::wstring::npos,
std::wstring(text_attributes.Get()).find(L"text-underline-style:"));
EXPECT_EQ(std::wstring::npos,
std::wstring(text_attributes.Get()).find(L"text-underline-type:"));
EXPECT_EQ(std::wstring::npos,
std::wstring(text_attributes.Get()).find(L"invalid:spelling"));
text_attributes.Reset();
manager.reset();
}
TEST_F(BrowserAccessibilityWinTest,
TestExistingMisspellingsInSimpleTextFields) {
std::string value1("Testing .");
// The word "helo" is misspelled.
std::string value2("Helo there.");
LONG value1_length = static_cast<LONG>(value1.length());
LONG value2_length = static_cast<LONG>(value2.length());
LONG combo_box_value_length = value1_length + value2_length;
AXNodeData root;
root.id = 1;
root.role = ax::mojom::Role::kRootWebArea;
root.AddState(ax::mojom::State::kFocusable);
AXNodeData combo_box;
combo_box.id = 2;
combo_box.role = ax::mojom::Role::kTextFieldWithComboBox;
combo_box.AddState(ax::mojom::State::kEditable);
combo_box.AddStringAttribute(ax::mojom::StringAttribute::kHtmlTag, "input");
combo_box.AddStringAttribute(ax::mojom::StringAttribute::kInputType, "text");
combo_box.AddState(ax::mojom::State::kFocusable);
combo_box.SetValue(value1 + value2);
AXNodeData combo_box_div;
combo_box_div.id = 3;
combo_box_div.role = ax::mojom::Role::kGenericContainer;
combo_box_div.AddState(ax::mojom::State::kEditable);
AXNodeData static_text1;
static_text1.id = 4;
static_text1.role = ax::mojom::Role::kStaticText;
static_text1.AddState(ax::mojom::State::kEditable);
static_text1.SetName(value1);
AXNodeData static_text2;
static_text2.id = 5;
static_text2.role = ax::mojom::Role::kStaticText;
static_text2.AddState(ax::mojom::State::kEditable);
static_text2.SetName(value2);
std::vector<int32_t> marker_types;
marker_types.push_back(
static_cast<int32_t>(ax::mojom::MarkerType::kSpelling));
std::vector<int32_t> highlight_types;
highlight_types.push_back(
static_cast<int32_t>(ax::mojom::HighlightType::kNone));
std::vector<int32_t> marker_starts;
marker_starts.push_back(0);
std::vector<int32_t> marker_ends;
marker_ends.push_back(4);
static_text2.AddIntListAttribute(ax::mojom::IntListAttribute::kMarkerTypes,
marker_types);
static_text2.AddIntListAttribute(ax::mojom::IntListAttribute::kHighlightTypes,
highlight_types);
static_text2.AddIntListAttribute(ax::mojom::IntListAttribute::kMarkerStarts,
marker_starts);
static_text2.AddIntListAttribute(ax::mojom::IntListAttribute::kMarkerEnds,
marker_ends);
root.child_ids.push_back(combo_box.id);
combo_box.child_ids.push_back(combo_box_div.id);
combo_box_div.child_ids.push_back(static_text1.id);
combo_box_div.child_ids.push_back(static_text2.id);
std::unique_ptr<BrowserAccessibilityManager> manager(
BrowserAccessibilityManager::Create(
MakeAXTreeUpdateForTesting(root, combo_box, combo_box_div,
static_text1, static_text2),
node_id_delegate_, test_browser_accessibility_delegate_.get()));
ASSERT_NE(nullptr, manager->GetBrowserAccessibilityRoot());
BrowserAccessibilityWin* ax_root =
ToBrowserAccessibilityWin(manager->GetBrowserAccessibilityRoot());
ASSERT_NE(nullptr, ax_root);
ASSERT_EQ(1U, ax_root->PlatformChildCount());
BrowserAccessibilityWin* ax_combo_box =
ToBrowserAccessibilityWin(ax_root->PlatformGetChild(0));
ASSERT_NE(nullptr, ax_combo_box);
HRESULT hr;
LONG start_offset, end_offset;
base::win::ScopedBstr text_attributes;
// Ensure that the first part of the value is not marked misspelled.
for (LONG offset = 0; offset < value1_length; ++offset) {
hr = ax_combo_box->GetCOM()->get_attributes(
offset, &start_offset, &end_offset, text_attributes.Receive());
EXPECT_TRUE(std::wstring(text_attributes.Get()).empty());
EXPECT_EQ(0, start_offset);
EXPECT_EQ(value1_length, end_offset);
text_attributes.Reset();
}
// Ensure that "helo" is marked misspelled.
for (LONG offset = value1_length; offset < value1_length + 4; ++offset) {
hr = ax_combo_box->GetCOM()->get_attributes(
offset, &start_offset, &end_offset, text_attributes.Receive());
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(value1_length, start_offset);
EXPECT_EQ(value1_length + 4, end_offset);
EXPECT_NE(std::wstring::npos,
std::wstring(text_attributes.Get()).find(L"invalid:spelling"));
text_attributes.Reset();
}
// Ensure that the last part of the value is not marked misspelled.
for (LONG offset = value1_length + 4; offset < combo_box_value_length;
++offset) {
hr = ax_combo_box->GetCOM()->get_attributes(
offset, &start_offset, &end_offset, text_attributes.Receive());
EXPECT_TRUE(std::wstring(text_attributes.Get()).empty());
EXPECT_EQ(value1_length + 4, start_offset);
EXPECT_EQ(combo_box_value_length, end_offset);
text_attributes.Reset();
}
manager.reset();
}
TEST_F(BrowserAccessibilityWinTest, TestNewMisspellingsInSimpleTextFields) {
std::string value1("Testing .");
// The word "helo" is misspelled.
std::string value2("Helo there.");
LONG value1_length = static_cast<LONG>(value1.length());
LONG value2_length = static_cast<LONG>(value2.length());
LONG combo_box_value_length = value1_length + value2_length;
AXNodeData root;
root.id = 1;
root.role = ax::mojom::Role::kRootWebArea;
root.AddState(ax::mojom::State::kFocusable);
AXNodeData combo_box;
combo_box.id = 2;
combo_box.role = ax::mojom::Role::kTextFieldWithComboBox;
combo_box.AddState(ax::mojom::State::kEditable);
combo_box.AddStringAttribute(ax::mojom::StringAttribute::kHtmlTag, "input");
combo_box.AddStringAttribute(ax::mojom::StringAttribute::kInputType, "text");
combo_box.AddState(ax::mojom::State::kFocusable);
combo_box.SetValue(value1 + value2);
AXNodeData combo_box_div;
combo_box_div.id = 3;
combo_box_div.role = ax::mojom::Role::kGenericContainer;
combo_box_div.AddState(ax::mojom::State::kEditable);
AXNodeData static_text1;
static_text1.id = 4;
static_text1.role = ax::mojom::Role::kStaticText;
static_text1.AddState(ax::mojom::State::kEditable);
static_text1.SetName(value1);
AXNodeData static_text2;
static_text2.id = 5;
static_text2.role = ax::mojom::Role::kStaticText;
static_text2.AddState(ax::mojom::State::kEditable);
static_text2.SetName(value2);
root.child_ids.push_back(combo_box.id);
combo_box.child_ids.push_back(combo_box_div.id);
combo_box_div.child_ids.push_back(static_text1.id);
combo_box_div.child_ids.push_back(static_text2.id);
std::unique_ptr<BrowserAccessibilityManager> manager(
BrowserAccessibilityManager::Create(
MakeAXTreeUpdateForTesting(root, combo_box, combo_box_div,
static_text1, static_text2),
node_id_delegate_, test_browser_accessibility_delegate_.get()));
ASSERT_NE(nullptr, manager->GetBrowserAccessibilityRoot());
BrowserAccessibilityWin* ax_root =
ToBrowserAccessibilityWin(manager->GetBrowserAccessibilityRoot());
ASSERT_NE(nullptr, ax_root);
ASSERT_EQ(1U, ax_root->PlatformChildCount());
BrowserAccessibilityWin* ax_combo_box =
ToBrowserAccessibilityWin(ax_root->PlatformGetChild(0));
ASSERT_NE(nullptr, ax_combo_box);
HRESULT hr;
LONG start_offset, end_offset;
base::win::ScopedBstr text_attributes;
// Ensure that nothing is marked misspelled.
for (LONG offset = 0; offset < combo_box_value_length; ++offset) {
hr = ax_combo_box->GetCOM()->get_attributes(
offset, &start_offset, &end_offset, text_attributes.Receive());
EXPECT_TRUE(std::wstring(text_attributes.Get()).empty());
EXPECT_EQ(0, start_offset);
EXPECT_EQ(combo_box_value_length, end_offset);
text_attributes.Reset();
}
// Add the spelling markers on "helo".
std::vector<int32_t> marker_types{
static_cast<int32_t>(ax::mojom::MarkerType::kSpelling)};
std::vector<int32_t> highlight_types{
static_cast<int32_t>(ax::mojom::HighlightType::kNone)};
std::vector<int32_t> marker_starts{0};
std::vector<int32_t> marker_ends{4};
static_text2.AddIntListAttribute(ax::mojom::IntListAttribute::kMarkerTypes,
marker_types);
static_text2.AddIntListAttribute(ax::mojom::IntListAttribute::kHighlightTypes,
highlight_types);
static_text2.AddIntListAttribute(ax::mojom::IntListAttribute::kMarkerStarts,
marker_starts);
static_text2.AddIntListAttribute(ax::mojom::IntListAttribute::kMarkerEnds,
marker_ends);
AXTree* tree = const_cast<AXTree*>(manager->ax_tree());
ASSERT_NE(nullptr, tree);
AXTreeUpdate update = MakeAXTreeUpdateForTesting(static_text2);
update.tree_data.tree_id = manager->GetTreeID();
ASSERT_TRUE(tree->Unserialize(update));
// Ensure that value1 is still not marked misspelled.
for (LONG offset = 0; offset < value1_length; ++offset) {
hr = ax_combo_box->GetCOM()->get_attributes(
offset, &start_offset, &end_offset, text_attributes.Receive());
EXPECT_TRUE(std::wstring(text_attributes.Get()).empty());
EXPECT_EQ(0, start_offset);
EXPECT_EQ(value1_length, end_offset);
text_attributes.Reset();
}
// Ensure that "helo" is now marked misspelled.
for (LONG offset = value1_length; offset < value1_length + 4; ++offset) {
hr = ax_combo_box->GetCOM()->get_attributes(
offset, &start_offset, &end_offset, text_attributes.Receive());
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(value1_length, start_offset);
EXPECT_EQ(value1_length + 4, end_offset);
EXPECT_NE(std::wstring::npos,
std::wstring(text_attributes.Get()).find(L"invalid:spelling"));
text_attributes.Reset();
}
// Ensure that the last part of the value is not marked misspelled.
for (LONG offset = value1_length + 4; offset < combo_box_value_length;
++offset) {
hr = ax_combo_box->GetCOM()->get_attributes(
offset, &start_offset, &end_offset, text_attributes.Receive());
EXPECT_TRUE(std::wstring(text_attributes.Get()).empty());
EXPECT_EQ(value1_length + 4, start_offset);
EXPECT_EQ(combo_box_value_length, end_offset);
text_attributes.Reset();
}
manager.reset();
}
TEST_F(BrowserAccessibilityWinTest, TestCustomHighlightsInSimpleTextFields) {
AXNodeData root;
root.id = 1;
root.role = ax::mojom::Role::kRootWebArea;
root.AddState(ax::mojom::State::kFocusable);
// The text field will contain the text "Helo world..", with "Helo" marked
// misspelled, "world" highlighted, and ".." marked as a grammar error.
const std::string text = "Helo world..";
AXNodeData text_field_container;
text_field_container.id = 2;
text_field_container.role = ax::mojom::Role::kGenericContainer;
text_field_container.AddState(ax::mojom::State::kEditable);
text_field_container.AddState(ax::mojom::State::kFocusable);
text_field_container.AddStringAttribute(ax::mojom::StringAttribute::kHtmlTag,
"input");
text_field_container.AddStringAttribute(
ax::mojom::StringAttribute::kInputType, "text");
text_field_container.SetValue(text);
AXNodeData text_field;
text_field.id = 3;
text_field.role = ax::mojom::Role::kStaticText;
text_field.AddState(ax::mojom::State::kEditable);
text_field.SetName(text);
std::vector<int32_t> marker_types{
static_cast<int32_t>(ax::mojom::MarkerType::kHighlight),
static_cast<int32_t>(ax::mojom::MarkerType::kHighlight),
static_cast<int32_t>(ax::mojom::MarkerType::kHighlight)};
std::vector<int32_t> highlight_types{
static_cast<int32_t>(ax::mojom::HighlightType::kSpellingError),
static_cast<int32_t>(ax::mojom::HighlightType::kHighlight),
static_cast<int32_t>(ax::mojom::HighlightType::kGrammarError)};
std::vector<int32_t> marker_starts{0, 5, 10};
std::vector<int32_t> marker_ends{4, 10, 12};
text_field.AddIntListAttribute(ax::mojom::IntListAttribute::kMarkerTypes,
marker_types);
text_field.AddIntListAttribute(ax::mojom::IntListAttribute::kHighlightTypes,
highlight_types);
text_field.AddIntListAttribute(ax::mojom::IntListAttribute::kMarkerStarts,
marker_starts);
text_field.AddIntListAttribute(ax::mojom::IntListAttribute::kMarkerEnds,
marker_ends);
root.child_ids.push_back(2);
text_field_container.child_ids.push_back(3);
std::unique_ptr<BrowserAccessibilityManager> manager(
BrowserAccessibilityManager::Create(
MakeAXTreeUpdateForTesting(root, text_field_container, text_field),
node_id_delegate_, test_browser_accessibility_delegate_.get()));
ASSERT_NE(nullptr, manager->GetBrowserAccessibilityRoot());
BrowserAccessibilityWin* ax_root =
ToBrowserAccessibilityWin(manager->GetBrowserAccessibilityRoot());
ASSERT_NE(nullptr, ax_root);
ASSERT_EQ(1U, ax_root->PlatformChildCount());
BrowserAccessibilityWin* ax_text_field =
ToBrowserAccessibilityWin(ax_root->PlatformGetChild(0));
ASSERT_NE(nullptr, ax_text_field);
HRESULT hr;
LONG start_offset, end_offset;
base::win::ScopedBstr text_attributes;
// Ensure that "Helo" is marked misspelled.
for (LONG offset = 0; offset < 4; ++offset) {
hr = ax_text_field->GetCOM()->get_attributes(
offset, &start_offset, &end_offset, text_attributes.Receive());
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(0, start_offset);
EXPECT_EQ(4, end_offset);
EXPECT_NE(std::wstring::npos,
std::wstring(text_attributes.Get()).find(L"invalid:spelling"));
text_attributes.Reset();
}
// Ensure that the next character " " is not marked.
hr = ax_text_field->GetCOM()->get_attributes(4, &start_offset, &end_offset,
text_attributes.Receive());
EXPECT_TRUE(std::wstring(text_attributes.Get()).empty());
EXPECT_EQ(4, start_offset);
EXPECT_EQ(5, end_offset);
text_attributes.Reset();
// Ensure that "world" is a highlight.
for (LONG offset = 5; offset < 10; ++offset) {
hr = ax_text_field->GetCOM()->get_attributes(
offset, &start_offset, &end_offset, text_attributes.Receive());
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(5, start_offset);
EXPECT_EQ(10, end_offset);
EXPECT_NE(std::wstring::npos,
std::wstring(text_attributes.Get()).find(L"mark:true"));
text_attributes.Reset();
}
// Ensure that ".." is marked as a grammar error.
for (LONG offset = 10; offset < 12; ++offset) {
hr = ax_text_field->GetCOM()->get_attributes(
offset, &start_offset, &end_offset, text_attributes.Receive());
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(10, start_offset);
EXPECT_EQ(12, end_offset);
EXPECT_NE(std::wstring::npos,
std::wstring(text_attributes.Get()).find(L"invalid:grammar"));
text_attributes.Reset();
}
manager.reset();
}
TEST_F(BrowserAccessibilityWinTest, TestDeepestFirstLastChild) {
AXNodeData root;
root.id = 1;
root.role = ax::mojom::Role::kRootWebArea;
AXNodeData child1;
child1.id = 2;
child1.role = ax::mojom::Role::kStaticText;
root.child_ids.push_back(2);
AXNodeData child2;
child2.id = 3;
child2.role = ax::mojom::Role::kStaticText;
root.child_ids.push_back(3);
AXNodeData child2_child1;
child2_child1.id = 4;
child2_child1.role = ax::mojom::Role::kInlineTextBox;
child2.child_ids.push_back(4);
AXNodeData child2_child2;
child2_child2.id = 5;
child2_child2.role = ax::mojom::Role::kInlineTextBox;
child2.child_ids.push_back(5);
std::unique_ptr<BrowserAccessibilityManager> manager(
BrowserAccessibilityManager::Create(
MakeAXTreeUpdateForTesting(root, child1, child2, child2_child1,
child2_child2),
node_id_delegate_, test_browser_accessibility_delegate_.get()));
BrowserAccessibility* root_accessible =
manager->GetBrowserAccessibilityRoot();
ASSERT_NE(nullptr, root_accessible);
ASSERT_EQ(2U, root_accessible->PlatformChildCount());
BrowserAccessibility* child1_accessible =
root_accessible->PlatformGetChild(0);
ASSERT_NE(nullptr, child1_accessible);
BrowserAccessibility* child2_accessible =
root_accessible->PlatformGetChild(1);
ASSERT_NE(nullptr, child2_accessible);
ASSERT_EQ(0U, child2_accessible->PlatformChildCount());
ASSERT_EQ(2U, child2_accessible->InternalChildCount());
BrowserAccessibility* child2_child1_accessible =
child2_accessible->InternalGetChild(0);
ASSERT_NE(nullptr, child2_child1_accessible);
BrowserAccessibility* child2_child2_accessible =
child2_accessible->InternalGetChild(1);
ASSERT_NE(nullptr, child2_child2_accessible);
EXPECT_EQ(child1_accessible, root_accessible->PlatformDeepestFirstChild());
EXPECT_EQ(child1_accessible, root_accessible->InternalDeepestFirstChild());
EXPECT_EQ(child2_accessible, root_accessible->PlatformDeepestLastChild());
EXPECT_EQ(child2_child2_accessible,
root_accessible->InternalDeepestLastChild());
EXPECT_EQ(nullptr, child1_accessible->PlatformDeepestFirstChild());
EXPECT_EQ(nullptr, child1_accessible->InternalDeepestFirstChild());
EXPECT_EQ(nullptr, child1_accessible->PlatformDeepestLastChild());
EXPECT_EQ(nullptr, child1_accessible->InternalDeepestLastChild());
EXPECT_EQ(nullptr, child2_accessible->PlatformDeepestFirstChild());
EXPECT_EQ(child2_child1_accessible,
child2_accessible->InternalDeepestFirstChild());
EXPECT_EQ(nullptr, child2_accessible->PlatformDeepestLastChild());
EXPECT_EQ(child2_child2_accessible,
child2_accessible->InternalDeepestLastChild());
EXPECT_EQ(nullptr, child2_child1_accessible->PlatformDeepestFirstChild());
EXPECT_EQ(nullptr, child2_child1_accessible->InternalDeepestFirstChild());
EXPECT_EQ(nullptr, child2_child1_accessible->PlatformDeepestLastChild());
EXPECT_EQ(nullptr, child2_child1_accessible->InternalDeepestLastChild());
EXPECT_EQ(nullptr, child2_child2_accessible->PlatformDeepestFirstChild());
EXPECT_EQ(nullptr, child2_child2_accessible->InternalDeepestFirstChild());
EXPECT_EQ(nullptr, child2_child2_accessible->PlatformDeepestLastChild());
EXPECT_EQ(nullptr, child2_child2_accessible->InternalDeepestLastChild());
}
TEST_F(BrowserAccessibilityWinTest, TestInheritedStringAttributes) {
AXNodeData root;
root.id = 1;
root.role = ax::mojom::Role::kRootWebArea;
root.AddStringAttribute(ax::mojom::StringAttribute::kLanguage, "en-US");
root.AddStringAttribute(ax::mojom::StringAttribute::kFontFamily, "Helvetica");
AXNodeData child1;
child1.id = 2;
child1.role = ax::mojom::Role::kStaticText;
root.child_ids.push_back(2);
AXNodeData child2;
child2.id = 3;
child2.role = ax::mojom::Role::kStaticText;
child2.AddStringAttribute(ax::mojom::StringAttribute::kLanguage, "fr");
child2.AddStringAttribute(ax::mojom::StringAttribute::kFontFamily, "Arial");
root.child_ids.push_back(3);
AXNodeData child2_child1;
child2_child1.id = 4;
child2_child1.role = ax::mojom::Role::kInlineTextBox;
child2.child_ids.push_back(4);
AXNodeData child2_child2;
child2_child2.id = 5;
child2_child2.role = ax::mojom::Role::kInlineTextBox;
child2.child_ids.push_back(5);
std::unique_ptr<BrowserAccessibilityManager> manager(
BrowserAccessibilityManager::Create(
MakeAXTreeUpdateForTesting(root, child1, child2, child2_child1,
child2_child2),
node_id_delegate_, test_browser_accessibility_delegate_.get()));
BrowserAccessibility* root_accessible =
manager->GetBrowserAccessibilityRoot();
ASSERT_NE(nullptr, root_accessible);
BrowserAccessibility* child1_accessible =
root_accessible->PlatformGetChild(0);
ASSERT_NE(nullptr, child1_accessible);
BrowserAccessibility* child2_accessible =
root_accessible->PlatformGetChild(1);
ASSERT_NE(nullptr, child2_accessible);
BrowserAccessibility* child2_child1_accessible =
child2_accessible->InternalGetChild(0);
ASSERT_NE(nullptr, child2_child1_accessible);
BrowserAccessibility* child2_child2_accessible =
child2_accessible->InternalGetChild(1);
ASSERT_NE(nullptr, child2_child2_accessible);
// Test GetInheritedString16Attribute(attribute).
EXPECT_EQ(u"en-US", root_accessible->GetInheritedString16Attribute(
ax::mojom::StringAttribute::kLanguage));
EXPECT_EQ(u"en-US", child1_accessible->GetInheritedString16Attribute(
ax::mojom::StringAttribute::kLanguage));
EXPECT_EQ(u"fr", child2_accessible->GetInheritedString16Attribute(
ax::mojom::StringAttribute::kLanguage));
EXPECT_EQ(u"fr", child2_child1_accessible->GetInheritedString16Attribute(
ax::mojom::StringAttribute::kLanguage));
EXPECT_EQ(u"fr", child2_child2_accessible->GetInheritedString16Attribute(
ax::mojom::StringAttribute::kLanguage));
// Test GetInheritedStringAttribute(attribute).
EXPECT_EQ("Helvetica", root_accessible->GetInheritedStringAttribute(
ax::mojom::StringAttribute::kFontFamily));
EXPECT_EQ("Helvetica", child1_accessible->GetInheritedStringAttribute(
ax::mojom::StringAttribute::kFontFamily));
EXPECT_EQ("Arial", child2_accessible->GetInheritedStringAttribute(
ax::mojom::StringAttribute::kFontFamily));
EXPECT_EQ("Arial", child2_child1_accessible->GetInheritedStringAttribute(
ax::mojom::StringAttribute::kFontFamily));
EXPECT_EQ("Arial", child2_child2_accessible->GetInheritedStringAttribute(
ax::mojom::StringAttribute::kFontFamily));
}
TEST_F(BrowserAccessibilityWinTest, AccChildOnlyReturnsDescendants) {
AXNodeData root_node;
root_node.id = 1;
root_node.role = ax::mojom::Role::kRootWebArea;
AXNodeData child_node;
child_node.id = 2;
root_node.child_ids.push_back(2);
std::unique_ptr<BrowserAccessibilityManagerWin> manager(
new BrowserAccessibilityManagerWin(
MakeAXTreeUpdateForTesting(root_node, child_node), node_id_delegate_,
test_browser_accessibility_delegate_.get()));
BrowserAccessibility* root = manager->GetBrowserAccessibilityRoot();
BrowserAccessibility* child = root->PlatformGetChild(0);
base::win::ScopedVariant root_unique_id_variant(-GetUniqueId(root));
Microsoft::WRL::ComPtr<IDispatch> result;
EXPECT_EQ(E_INVALIDARG,
ToBrowserAccessibilityWin(child)->GetCOM()->get_accChild(
root_unique_id_variant, &result));
base::win::ScopedVariant child_unique_id_variant(-GetUniqueId(child));
EXPECT_EQ(S_OK, ToBrowserAccessibilityWin(root)->GetCOM()->get_accChild(
child_unique_id_variant, &result));
}
// TODO(crbug.com/41439880): Disabled due to flakiness.
TEST_F(BrowserAccessibilityWinTest, DISABLED_TestIAccessible2Relations) {
AXNodeData root;
root.id = 1;
root.role = ax::mojom::Role::kRootWebArea;
// Reflexive relations should be ignored.
std::vector<int32_t> describedby_ids = {1, 2, 3};
root.AddIntListAttribute(ax::mojom::IntListAttribute::kDescribedbyIds,
describedby_ids);
AXNodeData child1;
child1.id = 2;
child1.role = ax::mojom::Role::kStaticText;
root.child_ids.push_back(2);
AXNodeData child2;
child2.id = 3;
child2.role = ax::mojom::Role::kStaticText;
root.child_ids.push_back(3);
std::unique_ptr<BrowserAccessibilityManager> manager(
BrowserAccessibilityManager::Create(
MakeAXTreeUpdateForTesting(root, child1, child2), node_id_delegate_,
test_browser_accessibility_delegate_.get()));
BrowserAccessibilityWin* ax_root =
ToBrowserAccessibilityWin(manager->GetBrowserAccessibilityRoot());
ASSERT_NE(nullptr, ax_root);
BrowserAccessibilityWin* ax_child1 =
ToBrowserAccessibilityWin(ax_root->PlatformGetChild(0));
ASSERT_NE(nullptr, ax_child1);
BrowserAccessibilityWin* ax_child2 =
ToBrowserAccessibilityWin(ax_root->PlatformGetChild(1));
ASSERT_NE(nullptr, ax_child2);
LONG n_relations = 0;
LONG n_targets = 0;
LONG unique_id = 0;
base::win::ScopedBstr relation_type;
Microsoft::WRL::ComPtr<IAccessibleRelation> describedby_relation;
Microsoft::WRL::ComPtr<IAccessibleRelation> description_for_relation;
Microsoft::WRL::ComPtr<IUnknown> target;
Microsoft::WRL::ComPtr<IAccessible2> ax_target;
EXPECT_HRESULT_SUCCEEDED(ax_root->GetCOM()->get_nRelations(&n_relations));
EXPECT_EQ(1, n_relations);
EXPECT_HRESULT_SUCCEEDED(
ax_root->GetCOM()->get_relation(0, &describedby_relation));
EXPECT_HRESULT_SUCCEEDED(
describedby_relation->get_relationType(relation_type.Receive()));
EXPECT_EQ(L"describedBy", std::wstring(relation_type.Get()));
relation_type.Reset();
EXPECT_HRESULT_SUCCEEDED(describedby_relation->get_nTargets(&n_targets));
EXPECT_EQ(2, n_targets);
EXPECT_HRESULT_SUCCEEDED(describedby_relation->get_target(0, &target));
target.As(&ax_target);
EXPECT_HRESULT_SUCCEEDED(ax_target->get_uniqueID(&unique_id));
EXPECT_EQ(-GetUniqueId(ax_child1), unique_id);
ax_target.Reset();
target.Reset();
EXPECT_HRESULT_SUCCEEDED(describedby_relation->get_target(1, &target));
target.As(&ax_target);
EXPECT_HRESULT_SUCCEEDED(ax_target->get_uniqueID(&unique_id));
EXPECT_EQ(-GetUniqueId(ax_child2), unique_id);
ax_target.Reset();
target.Reset();
describedby_relation.Reset();
// Test the reverse relations.
EXPECT_HRESULT_SUCCEEDED(ax_child1->GetCOM()->get_nRelations(&n_relations));
EXPECT_EQ(1, n_relations);
EXPECT_HRESULT_SUCCEEDED(
ax_child1->GetCOM()->get_relation(0, &description_for_relation));
EXPECT_HRESULT_SUCCEEDED(
description_for_relation->get_relationType(relation_type.Receive()));
EXPECT_EQ(L"descriptionFor", std::wstring(relation_type.Get()));
relation_type.Reset();
EXPECT_HRESULT_SUCCEEDED(description_for_relation->get_nTargets(&n_targets));
EXPECT_EQ(1, n_targets);
EXPECT_HRESULT_SUCCEEDED(description_for_relation->get_target(0, &target));
target.As(&ax_target);
EXPECT_HRESULT_SUCCEEDED(ax_target->get_uniqueID(&unique_id));
EXPECT_EQ(-GetUniqueId(ax_root), unique_id);
ax_target.Reset();
target.Reset();
description_for_relation.Reset();
EXPECT_HRESULT_SUCCEEDED(ax_child2->GetCOM()->get_nRelations(&n_relations));
EXPECT_EQ(1, n_relations);
EXPECT_HRESULT_SUCCEEDED(
ax_child2->GetCOM()->get_relation(0, &description_for_relation));
EXPECT_HRESULT_SUCCEEDED(
description_for_relation->get_relationType(relation_type.Receive()));
EXPECT_EQ(L"descriptionFor", std::wstring(relation_type.Get()));
relation_type.Reset();
EXPECT_HRESULT_SUCCEEDED(description_for_relation->get_nTargets(&n_targets));
EXPECT_EQ(1, n_targets);
EXPECT_HRESULT_SUCCEEDED(description_for_relation->get_target(0, &target));
target.As(&ax_target);
EXPECT_HRESULT_SUCCEEDED(ax_target->get_uniqueID(&unique_id));
EXPECT_EQ(-GetUniqueId(ax_root), unique_id);
ax_target.Reset();
target.Reset();
// Try adding one more relation.
std::vector<int32_t> labelledby_ids = {3};
child1.AddIntListAttribute(ax::mojom::IntListAttribute::kLabelledbyIds,
labelledby_ids);
AXUpdatesAndEvents event_bundle;
event_bundle.updates.resize(1);
event_bundle.updates[0].nodes.push_back(child1);
ASSERT_TRUE(manager->OnAccessibilityEvents(event_bundle));
EXPECT_HRESULT_SUCCEEDED(ax_child1->GetCOM()->get_nRelations(&n_relations));
EXPECT_EQ(2, n_relations);
EXPECT_HRESULT_SUCCEEDED(ax_child2->GetCOM()->get_nRelations(&n_relations));
EXPECT_EQ(2, n_relations);
}
TEST_F(BrowserAccessibilityWinTest, UIACreateExtraAnnouncementNodesFails) {
AXNodeData root_data;
root_data.id = 1;
root_data.role = ax::mojom::Role::kGenericContainer;
root_data.child_ids = {2};
AXNodeData button;
button.id = 2;
button.role = ax::mojom::Role::kButton;
std::unique_ptr<BrowserAccessibilityManager> manager(
BrowserAccessibilityManager::Create(
MakeAXTreeUpdateForTesting(root_data, button), node_id_delegate_,
test_browser_accessibility_delegate_.get()));
manager->FireAriaNotificationEvent(
manager->GetFromID(2), "This is an announcement",
ax::mojom::AriaNotificationPriority::kNormal,
ax::mojom::AriaNotificationInterrupt::kNone, "" /*type */);
AXTree* tree = const_cast<AXTree*>(manager->ax_tree());
ASSERT_FALSE(tree->extra_announcement_nodes());
BrowserAccessibilityWin* root_node =
ToBrowserAccessibilityWin(manager->GetBrowserAccessibilityRoot());
EXPECT_EQ(1U, root_node->PlatformChildCount());
// Only the root node should not have the extra announcement nodes as
// children.
BrowserAccessibilityWin* button_node =
ToBrowserAccessibilityWin(root_node->PlatformGetChild(0));
EXPECT_EQ(0U, button_node->PlatformChildCount());
}
TEST_F(BrowserAccessibilityWinTest, CreateExtraAnnouncementNodes) {
AXPlatform::GetInstance().DisableActiveUiaProvider();
// Create AXNodeData objects for a simple document tree.
AXNodeData root_data;
root_data.id = 1;
root_data.role = ax::mojom::Role::kGenericContainer;
root_data.child_ids = {2};
AXNodeData button;
button.id = 2;
button.role = ax::mojom::Role::kButton;
button.SetName("Test Button");
// Construct a BrowserAccessibilityManager and fire an announcement.
std::unique_ptr<BrowserAccessibilityManager> manager(
BrowserAccessibilityManager::Create(
MakeAXTreeUpdateForTesting(root_data, button), node_id_delegate_,
test_browser_accessibility_delegate_.get()));
manager->FireAriaNotificationEvent(
manager->GetBrowserAccessibilityRoot(), "This is an announcement",
ax::mojom::AriaNotificationPriority::kNormal,
ax::mojom::AriaNotificationInterrupt::kNone, "" /*type */);
AXTree* tree = const_cast<AXTree*>(manager->ax_tree());
EXPECT_EQ(2, tree->extra_announcement_nodes()->Count());
BrowserAccessibilityWin* root_node =
ToBrowserAccessibilityWin(manager->GetBrowserAccessibilityRoot());
EXPECT_EQ(3U, root_node->PlatformChildCount());
// Only the root node should have the extra announcement nodes as children.
BrowserAccessibilityWin* button_node =
ToBrowserAccessibilityWin(root_node->PlatformGetChild(0));
EXPECT_EQ(0U, button_node->PlatformChildCount());
// Delete the manager and test that extra announcement nodes are properly
// cleaned up.
manager.reset();
// Construct a new manager with the same tree and test multiple updates.
manager.reset(BrowserAccessibilityManager::Create(
MakeAXTreeUpdateForTesting(root_data, button), node_id_delegate_,
test_browser_accessibility_delegate_.get()));
manager->FireAriaNotificationEvent(
manager->GetBrowserAccessibilityRoot(), "another announcement",
ax::mojom::AriaNotificationPriority::kNormal,
ax::mojom::AriaNotificationInterrupt::kNone, "" /*type */);
tree = const_cast<AXTree*>(manager->ax_tree());
EXPECT_EQ(2, tree->extra_announcement_nodes()->Count());
root_node = ToBrowserAccessibilityWin(manager->GetBrowserAccessibilityRoot());
EXPECT_EQ(3U, root_node->PlatformChildCount());
// Verify the polite announcement node contains the first announcement.
BrowserAccessibility* polite_node = root_node->GetExtraAnnouncementNode(
ax::mojom::AriaNotificationPriority::kNormal);
ASSERT_NE(nullptr, polite_node);
EXPECT_EQ(polite_node->GetNameAsString16(), u"another announcement");
// Fire a second announcement with high priority.
manager->FireAriaNotificationEvent(
manager->GetBrowserAccessibilityRoot(), "Urgent message!",
ax::mojom::AriaNotificationPriority::kHigh,
ax::mojom::AriaNotificationInterrupt::kNone, "" /*type */);
// Verify the tree structure remains stable.
EXPECT_EQ(2, tree->extra_announcement_nodes()->Count());
EXPECT_EQ(3U, root_node->PlatformChildCount());
BrowserAccessibility* assertive_node = root_node->GetExtraAnnouncementNode(
ax::mojom::AriaNotificationPriority::kHigh);
ASSERT_NE(nullptr, assertive_node);
EXPECT_EQ(assertive_node->GetNameAsString16(), u"Urgent message!");
// Fire a third announcement to test that announcement nodes can be updated.
manager->FireAriaNotificationEvent(
manager->GetBrowserAccessibilityRoot(), "Updated announcement",
ax::mojom::AriaNotificationPriority::kNormal,
ax::mojom::AriaNotificationInterrupt::kNone, "" /*type */);
polite_node = root_node->GetExtraAnnouncementNode(
ax::mojom::AriaNotificationPriority::kNormal);
ASSERT_NE(nullptr, polite_node);
EXPECT_EQ(polite_node->GetNameAsString16(), u"Updated announcement");
// Test tree updates by adding a new child to the root.
AXNodeData new_text;
new_text.id = 3;
new_text.role = ax::mojom::Role::kStaticText;
new_text.SetName("New text node");
root_data.child_ids.push_back(3); // Add new child to root
AXUpdatesAndEvents event_bundle;
event_bundle.updates.resize(1);
event_bundle.updates[0].nodes.push_back(root_data);
event_bundle.updates[0].nodes.push_back(new_text);
ASSERT_TRUE(manager->OnAccessibilityEvents(event_bundle));
// It is OK for announcement nodes to be cleared, but they should do so
// without crashing or leaving dangling pointers.
root_node = ToBrowserAccessibilityWin(manager->GetBrowserAccessibilityRoot());
EXPECT_EQ(2U, root_node->PlatformChildCount());
manager->FireAriaNotificationEvent(
manager->GetBrowserAccessibilityRoot(), "Updated announcement",
ax::mojom::AriaNotificationPriority::kNormal,
ax::mojom::AriaNotificationInterrupt::kNone, "" /*type */);
// Announcement nodes will be lazily constructed when they are next needed.
EXPECT_EQ(4U, root_node->PlatformChildCount());
EXPECT_EQ(2, tree->extra_announcement_nodes()->Count());
// Ensure there is no issue re-creating the announcement nodes.
polite_node = root_node->GetExtraAnnouncementNode(
ax::mojom::AriaNotificationPriority::kNormal);
ASSERT_NE(nullptr, polite_node);
EXPECT_EQ(polite_node->GetNameAsString16(), u"Updated announcement");
// Delete the manager and test that all instances are cleaned up properly.
manager.reset();
}
TEST_F(BrowserAccessibilityWinTest, GetExtraAnnouncementNodes) {
AXPlatform::GetInstance().DisableActiveUiaProvider();
AXNodeData root_data;
root_data.id = 1;
root_data.role = ax::mojom::Role::kGenericContainer;
std::unique_ptr<BrowserAccessibilityManager> manager(
BrowserAccessibilityManager::Create(
MakeAXTreeUpdateForTesting(root_data), node_id_delegate_,
test_browser_accessibility_delegate_.get()));
AXTree* tree = const_cast<AXTree*>(manager->ax_tree());
tree->CreateExtraAnnouncementNodes();
ASSERT_TRUE(tree->extra_announcement_nodes());
EXPECT_EQ(2, tree->extra_announcement_nodes()->Count());
BrowserAccessibility* root_node = manager->GetBrowserAccessibilityRoot();
EXPECT_EQ(2U, root_node->PlatformChildCount());
BrowserAccessibility* assertive_node = root_node->GetExtraAnnouncementNode(
ax::mojom::AriaNotificationPriority::kHigh);
EXPECT_EQ(assertive_node->GetData().GetStringAttribute(
ax::mojom::StringAttribute::kContainerLiveStatus),
"assertive");
BrowserAccessibility* polite_node = root_node->GetExtraAnnouncementNode(
ax::mojom::AriaNotificationPriority::kNormal);
EXPECT_EQ(polite_node->GetData().GetStringAttribute(
ax::mojom::StringAttribute::kContainerLiveStatus),
"polite");
}
TEST_F(BrowserAccessibilityWinTest, IA2AriaNotifyFallback) {
AXPlatform::GetInstance().DisableActiveUiaProvider();
AXNodeData root_data;
root_data.id = 1;
root_data.role = ax::mojom::Role::kGenericContainer;
root_data.child_ids = {2};
AXNodeData button;
button.id = 2;
button.role = ax::mojom::Role::kButton;
std::unique_ptr<BrowserAccessibilityManager> manager(
BrowserAccessibilityManager::Create(
MakeAXTreeUpdateForTesting(root_data, button), node_id_delegate_,
test_browser_accessibility_delegate_.get()));
manager->FireAriaNotificationEvent(
manager->GetBrowserAccessibilityRoot(), "This is an announcement",
ax::mojom::AriaNotificationPriority::kNormal,
ax::mojom::AriaNotificationInterrupt::kNone, "" /*type */);
BrowserAccessibility* root_node = manager->GetBrowserAccessibilityRoot();
BrowserAccessibility* polite_node = root_node->GetExtraAnnouncementNode(
ax::mojom::AriaNotificationPriority::kNormal);
EXPECT_EQ(polite_node->GetData().GetStringAttribute(
ax::mojom::StringAttribute::kContainerLiveStatus),
"polite");
EXPECT_EQ(polite_node->GetNameAsString16(), u"This is an announcement");
}
TEST_F(BrowserAccessibilityWinTest, PlatformGetChild) {
AXPlatform::GetInstance().DisableActiveUiaProvider();
AXNodeData root_data;
root_data.id = 1;
root_data.role = ax::mojom::Role::kGenericContainer;
root_data.child_ids = {2};
AXNodeData button;
button.id = 2;
button.role = ax::mojom::Role::kButton;
std::unique_ptr<BrowserAccessibilityManager> manager(
BrowserAccessibilityManager::Create(
MakeAXTreeUpdateForTesting(root_data, button), node_id_delegate_,
test_browser_accessibility_delegate_.get()));
AXTree* tree = const_cast<AXTree*>(manager->ax_tree());
tree->CreateExtraAnnouncementNodes();
ASSERT_TRUE(tree->extra_announcement_nodes());
EXPECT_EQ(2, tree->extra_announcement_nodes()->Count());
BrowserAccessibilityWin* root_node =
ToBrowserAccessibilityWin(manager->GetBrowserAccessibilityRoot());
EXPECT_EQ(3U, root_node->PlatformChildCount());
BrowserAccessibilityWin* button_node =
ToBrowserAccessibilityWin(root_node->PlatformGetChild(0));
EXPECT_EQ(button_node->GetData().id, 2);
EXPECT_EQ(button_node->GetData().role, ax::mojom::Role::kButton);
BrowserAccessibilityWin* assertive_node =
ToBrowserAccessibilityWin(root_node->PlatformGetChild(1));
EXPECT_EQ(assertive_node->GetData().id, -1);
EXPECT_EQ(assertive_node->GetData().GetStringAttribute(
ax::mojom::StringAttribute::kContainerLiveStatus),
"assertive");
BrowserAccessibilityWin* polite_node =
ToBrowserAccessibilityWin(root_node->PlatformGetChild(2));
EXPECT_EQ(polite_node->GetData().id, -2);
EXPECT_EQ(polite_node->GetData().GetStringAttribute(
ax::mojom::StringAttribute::kContainerLiveStatus),
"polite");
EXPECT_EQ(nullptr, root_node->PlatformGetChild(3));
}
TEST_F(BrowserAccessibilityWinTest, PlatformGetLastChild) {
AXPlatform::GetInstance().DisableActiveUiaProvider();
AXNodeData root_data;
root_data.id = 1;
root_data.role = ax::mojom::Role::kGenericContainer;
root_data.child_ids = {2};
AXNodeData button;
button.id = 2;
button.role = ax::mojom::Role::kButton;
std::unique_ptr<BrowserAccessibilityManager> manager(
BrowserAccessibilityManager::Create(
MakeAXTreeUpdateForTesting(root_data, button), node_id_delegate_,
test_browser_accessibility_delegate_.get()));
BrowserAccessibilityWin* root_node =
ToBrowserAccessibilityWin(manager->GetBrowserAccessibilityRoot());
EXPECT_EQ(1U, root_node->PlatformChildCount());
BrowserAccessibilityWin* last_child =
ToBrowserAccessibilityWin(root_node->PlatformGetLastChild());
EXPECT_EQ(last_child->GetData().id, 2);
EXPECT_EQ(last_child->GetData().role, ax::mojom::Role::kButton);
AXTree* tree = const_cast<AXTree*>(manager->ax_tree());
tree->CreateExtraAnnouncementNodes();
ASSERT_TRUE(tree->extra_announcement_nodes());
EXPECT_EQ(2, tree->extra_announcement_nodes()->Count());
EXPECT_EQ(3U, root_node->PlatformChildCount());
last_child = ToBrowserAccessibilityWin(root_node->PlatformGetLastChild());
EXPECT_EQ(last_child->GetData().id, -2);
EXPECT_EQ(last_child->GetData().GetStringAttribute(
ax::mojom::StringAttribute::kContainerLiveStatus),
"polite");
}
TEST_F(BrowserAccessibilityWinTest, PlatformGetSiblings) {
AXPlatform::GetInstance().DisableActiveUiaProvider();
AXNodeData root_data;
root_data.id = 1;
root_data.role = ax::mojom::Role::kGenericContainer;
root_data.child_ids = {2};
AXNodeData button;
button.id = 2;
button.role = ax::mojom::Role::kButton;
std::unique_ptr<BrowserAccessibilityManager> manager(
BrowserAccessibilityManager::Create(
MakeAXTreeUpdateForTesting(root_data, button), node_id_delegate_,
test_browser_accessibility_delegate_.get()));
BrowserAccessibilityWin* root_node =
ToBrowserAccessibilityWin(manager->GetBrowserAccessibilityRoot());
EXPECT_EQ(1U, root_node->PlatformChildCount());
BrowserAccessibilityWin* button_node =
ToBrowserAccessibilityWin(root_node->PlatformGetChild(0));
EXPECT_EQ(button_node->GetData().id, 2);
EXPECT_EQ(button_node->GetData().role, ax::mojom::Role::kButton);
EXPECT_EQ(nullptr, button_node->PlatformGetNextSibling());
EXPECT_EQ(nullptr, button_node->PlatformGetPreviousSibling());
AXTree* tree = const_cast<AXTree*>(manager->ax_tree());
tree->CreateExtraAnnouncementNodes();
ASSERT_TRUE(tree->extra_announcement_nodes());
EXPECT_EQ(2, tree->extra_announcement_nodes()->Count());
EXPECT_EQ(3U, root_node->PlatformChildCount());
BrowserAccessibilityWin* assertive_node =
ToBrowserAccessibilityWin(button_node->PlatformGetNextSibling());
ASSERT_NE(nullptr, assertive_node);
EXPECT_EQ(assertive_node->GetData().id, -1);
EXPECT_EQ(assertive_node->GetData().GetStringAttribute(
ax::mojom::StringAttribute::kContainerLiveStatus),
"assertive");
EXPECT_EQ(button_node, assertive_node->PlatformGetPreviousSibling());
BrowserAccessibilityWin* polite_node =
ToBrowserAccessibilityWin(assertive_node->PlatformGetNextSibling());
ASSERT_NE(nullptr, polite_node);
EXPECT_EQ(polite_node->GetData().id, -2);
EXPECT_EQ(polite_node->GetData().GetStringAttribute(
ax::mojom::StringAttribute::kContainerLiveStatus),
"polite");
EXPECT_EQ(assertive_node, polite_node->PlatformGetPreviousSibling());
EXPECT_EQ(nullptr, polite_node->PlatformGetNextSibling());
}
TEST_F(BrowserAccessibilityWinTest, OnExtendedPropertiesUsedAfterDestruction) {
// Create a simple tree with a text field that has extended properties.
AXNodeData text_field;
text_field.id = 2;
text_field.role = ax::mojom::Role::kTextField;
text_field.AddStringAttribute(ax::mojom::StringAttribute::kDescription,
"Test description");
text_field.AddIntAttribute(ax::mojom::IntAttribute::kTextSelStart, 0);
text_field.AddIntAttribute(ax::mojom::IntAttribute::kTextSelEnd, 5);
AXNodeData root;
root.id = 1;
root.role = ax::mojom::Role::kRootWebArea;
root.child_ids.push_back(2);
// Create the manager and get the text field node.
std::unique_ptr<BrowserAccessibilityManager> manager(
BrowserAccessibilityManager::Create(
MakeAXTreeUpdateForTesting(root, text_field), node_id_delegate_,
test_browser_accessibility_delegate_.get()));
BrowserAccessibilityComWin* text_field_node =
ToBrowserAccessibilityComWin(manager->GetFromID(2));
ASSERT_NE(nullptr, text_field_node);
// Test that methods work normally before destruction
// get_endIndex method calls OnExtendedPropertiesUsed with IsDestroyed()
// check.
LONG end_index = -1;
EXPECT_HRESULT_SUCCEEDED(text_field_node->get_endIndex(&end_index));
// get_description method calls OnExtendedPropertiesUsed with IsDestroyed()
// check.
base::win::ScopedBstr description;
EXPECT_HRESULT_SUCCEEDED(
text_field_node->get_description(description.Receive()));
// For testing only. This method clears the delegate pointer to simulate
// destruction.
auto* pre_delegate = text_field_node->SetDelegateForTesting(nullptr);
// These calls should not crash even though the object is destroyed
// and OnExtendedPropertiesUsed is called with IsDestroyed() check
// in get_endIndex and get_description methods.
// Test get_endIndex after destruction (calls OnExtendedPropertiesUsed)
// This should fail gracefully without crashing.
end_index = -1;
EXPECT_HRESULT_FAILED(text_field_node->get_endIndex(&end_index));
// Test get_description after destruction (calls OnExtendedPropertiesUsed)
// This should also fail gracefully without crashing.
description.Reset();
EXPECT_HRESULT_FAILED(
text_field_node->get_description(description.Receive()));
// Additional test: Try other methods that call OnExtendedPropertiesUsed
// with proper IsDestroyed() checks to ensure they handle destruction
// correctly.
// nActions method has IsDestroyed() check before OnExtendedPropertiesUsed.
LONG n_actions = -1;
EXPECT_HRESULT_FAILED(text_field_node->nActions(&n_actions));
text_field_node->SetDelegateForTesting(pre_delegate);
}
} // namespace ui