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chromium / chromium / src / 341be68a2f3f424685a709aacc683d227f0de7eb / . / content / browser / accessibility / accessibility_win_browsertest.cc
blob: 373ef0ed45e3584766380b145fa538ef33452f97 [file] [log] [blame]
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <vector>
#include "base/memory/scoped_ptr.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/sys_string_conversions.h"
#include "base/win/scoped_bstr.h"
#include "base/win/scoped_comptr.h"
#include "base/win/scoped_variant.h"
#include "content/browser/accessibility/accessibility_mode_helper.h"
#include "content/browser/accessibility/accessibility_tree_formatter.h"
#include "content/browser/accessibility/accessibility_tree_formatter_utils_win.h"
#include "content/browser/renderer_host/render_view_host_impl.h"
#include "content/public/browser/notification_service.h"
#include "content/public/browser/notification_types.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/render_widget_host_view.h"
#include "content/public/browser/web_contents.h"
#include "content/public/common/url_constants.h"
#include "content/public/test/content_browser_test.h"
#include "content/public/test/content_browser_test_utils.h"
#include "content/shell/browser/shell.h"
#include "content/test/accessibility_browser_test_utils.h"
#include "net/base/escape.h"
#include "third_party/iaccessible2/ia2_api_all.h"
#include "third_party/isimpledom/ISimpleDOMNode.h"
#include "ui/aura/window.h"
#include "ui/aura/window_tree_host.h"
namespace content {
namespace {
const char INPUT_CONTENTS[] = "Moz/5.0 (ST 6.x; WWW33) "
"WebKit \"KHTML, like\".";
const char TEXTAREA_CONTENTS[] = "Moz/5.0 (ST 6.x; WWW33)\n"
"WebKit \n\"KHTML, like\".";
const LONG CONTENTS_LENGTH = static_cast<LONG>(
(sizeof(INPUT_CONTENTS) - 1) / sizeof(char));
// AccessibilityWinBrowserTest ------------------------------------------------
class AccessibilityWinBrowserTest : public ContentBrowserTest {
public:
AccessibilityWinBrowserTest();
~AccessibilityWinBrowserTest() override;
protected:
class AccessibleChecker;
void LoadInitialAccessibilityTreeFromHtml(const std::string& html);
IAccessible* GetRendererAccessible();
void ExecuteScript(const std::wstring& script);
void SetUpInputField(
base::win::ScopedComPtr<IAccessibleText>* input_text);
void SetUpTextareaField(
base::win::ScopedComPtr<IAccessibleText>* textarea_text);
static base::win::ScopedComPtr<IAccessible> GetAccessibleFromVariant(
IAccessible* parent,
VARIANT* var);
static HRESULT QueryIAccessible2(IAccessible* accessible,
IAccessible2** accessible2);
static void FindNodeInAccessibilityTree(IAccessible* node,
int32 expected_role,
const std::wstring& expected_name,
int32 depth,
bool* found);
static void CheckTextAtOffset(
base::win::ScopedComPtr<IAccessibleText>& element,
LONG offset,
IA2TextBoundaryType boundary_type,
LONG expected_start_offset,
LONG expected_end_offset,
const std::wstring& expected_text);
static std::vector<base::win::ScopedVariant> GetAllAccessibleChildren(
IAccessible* element);
private:
DISALLOW_COPY_AND_ASSIGN(AccessibilityWinBrowserTest);
};
AccessibilityWinBrowserTest::AccessibilityWinBrowserTest() {
}
AccessibilityWinBrowserTest::~AccessibilityWinBrowserTest() {
}
void AccessibilityWinBrowserTest::LoadInitialAccessibilityTreeFromHtml(
const std::string& html) {
AccessibilityNotificationWaiter waiter(
shell(), AccessibilityModeComplete,
ui::AX_EVENT_LOAD_COMPLETE);
GURL html_data_url("data:text/html," + html);
NavigateToURL(shell(), html_data_url);
waiter.WaitForNotification();
}
// Retrieve the MSAA client accessibility object for the Render Widget Host View
// of the selected tab.
IAccessible* AccessibilityWinBrowserTest::GetRendererAccessible() {
content::WebContents* web_contents = shell()->web_contents();
return web_contents->GetRenderWidgetHostView()->GetNativeViewAccessible();
}
void AccessibilityWinBrowserTest::ExecuteScript(const std::wstring& script) {
shell()->web_contents()->GetMainFrame()->ExecuteJavaScriptForTests(script);
}
// Loads a page with an input text field and places sample text in it. Also,
// places the caret on the last character.
void AccessibilityWinBrowserTest::SetUpInputField(
base::win::ScopedComPtr<IAccessibleText>* input_text) {
ASSERT_NE(nullptr, input_text);
LoadInitialAccessibilityTreeFromHtml(std::string("<!DOCTYPE html><html><body>"
"<form><label for='textField'>Browser name:</label>"
"<input type='text' id='textField' name='name' value='") +
net::EscapeQueryParamValue(INPUT_CONTENTS, false) + std::string(
"'></form></body></html>"));
// Retrieve the IAccessible interface for the web page.
base::win::ScopedComPtr<IAccessible> document(GetRendererAccessible());
std::vector<base::win::ScopedVariant> document_children =
GetAllAccessibleChildren(document.get());
ASSERT_EQ(1, document_children.size());
base::win::ScopedComPtr<IAccessible2> form;
HRESULT hr = QueryIAccessible2(GetAccessibleFromVariant(
document.get(), document_children[0].AsInput()).get(), form.Receive());
ASSERT_EQ(S_OK, hr);
std::vector<base::win::ScopedVariant> form_children =
GetAllAccessibleChildren(form.get());
ASSERT_EQ(2, form_children.size());
// Find the input text field.
base::win::ScopedComPtr<IAccessible2> input;
hr = QueryIAccessible2(GetAccessibleFromVariant(
form.get(), form_children[1].AsInput()).get(), input.Receive());
ASSERT_EQ(S_OK, hr);
LONG input_role = 0;
hr = input->role(&input_role);
ASSERT_EQ(S_OK, hr);
ASSERT_EQ(ROLE_SYSTEM_TEXT, input_role);
// Retrieve the IAccessibleText interface for the field.
hr = input.QueryInterface(input_text->Receive());
ASSERT_EQ(S_OK, hr);
// Set the caret on the last character.
AccessibilityNotificationWaiter waiter(
shell(), AccessibilityModeComplete,
ui::AX_EVENT_TEXT_SELECTION_CHANGED);
std::wstring caret_offset = base::UTF16ToWide(base::IntToString16(
static_cast<int>(CONTENTS_LENGTH - 1)));
ExecuteScript(std::wstring(
L"var textField = document.getElementById('textField');"
L"textField.focus();"
L"textField.setSelectionRange(") +
caret_offset + L"," + caret_offset + L");");
waiter.WaitForNotification();
}
// Loads a page with a textarea text field and places sample text in it. Also,
// places the caret on the last character.
void AccessibilityWinBrowserTest::SetUpTextareaField(
base::win::ScopedComPtr<IAccessibleText>* textarea_text) {
ASSERT_NE(nullptr, textarea_text);
LoadInitialAccessibilityTreeFromHtml(std::string("<!DOCTYPE html><html><body>"
"<textarea id='textField' rows='3' cols='60'>") +
net::EscapeQueryParamValue(TEXTAREA_CONTENTS, false) + std::string(
"</textarea></body></html>"));
// Retrieve the IAccessible interface for the web page.
base::win::ScopedComPtr<IAccessible> document(GetRendererAccessible());
std::vector<base::win::ScopedVariant> document_children =
GetAllAccessibleChildren(document.get());
ASSERT_EQ(1, document_children.size());
base::win::ScopedComPtr<IAccessible2> section;
HRESULT hr = QueryIAccessible2(GetAccessibleFromVariant(
document.get(), document_children[0].AsInput()).get(), section.Receive());
ASSERT_EQ(S_OK, hr);
std::vector<base::win::ScopedVariant> section_children =
GetAllAccessibleChildren(section.get());
ASSERT_EQ(1, section_children.size());
// Find the textarea text field.
base::win::ScopedComPtr<IAccessible2> textarea;
hr = QueryIAccessible2(GetAccessibleFromVariant(
section.get(), section_children[0].AsInput()).get(), textarea.Receive());
ASSERT_EQ(S_OK, hr);
LONG textarea_role = 0;
hr = textarea->role(&textarea_role);
ASSERT_EQ(S_OK, hr);
ASSERT_EQ(ROLE_SYSTEM_TEXT, textarea_role);
// Retrieve the IAccessibleText interface for the field.
hr = textarea.QueryInterface(textarea_text->Receive());
ASSERT_EQ(S_OK, hr);
// Set the caret on the last character.
AccessibilityNotificationWaiter waiter(
shell(), AccessibilityModeComplete,
ui::AX_EVENT_TEXT_SELECTION_CHANGED);
std::wstring caret_offset = base::UTF16ToWide(base::IntToString16(
static_cast<int>(CONTENTS_LENGTH - 1)));
ExecuteScript(std::wstring(
L"var textField = document.getElementById('textField');"
L"textField.focus();"
L"textField.setSelectionRange(") +
caret_offset + L"," + caret_offset + L");");
waiter.WaitForNotification();
}
// Static helpers ------------------------------------------------
base::win::ScopedComPtr<IAccessible>
AccessibilityWinBrowserTest::GetAccessibleFromVariant(
IAccessible* parent,
VARIANT* var) {
base::win::ScopedComPtr<IAccessible> ptr;
switch (V_VT(var)) {
case VT_DISPATCH: {
IDispatch* dispatch = V_DISPATCH(var);
if (dispatch)
dispatch->QueryInterface(ptr.Receive());
break;
}
case VT_I4: {
base::win::ScopedComPtr<IDispatch> dispatch;
HRESULT hr = parent->get_accChild(*var, dispatch.Receive());
EXPECT_TRUE(SUCCEEDED(hr));
if (dispatch.get())
dispatch.QueryInterface(ptr.Receive());
break;
}
}
return ptr;
}
HRESULT AccessibilityWinBrowserTest::QueryIAccessible2(
IAccessible* accessible,
IAccessible2** accessible2) {
// IA2 Spec dictates that IServiceProvider should be used instead of
// QueryInterface when retrieving IAccessible2.
base::win::ScopedComPtr<IServiceProvider> service_provider;
HRESULT hr = accessible->QueryInterface(service_provider.Receive());
return SUCCEEDED(hr) ?
service_provider->QueryService(IID_IAccessible2, accessible2) : hr;
}
// Recursively search through all of the descendants reachable from an
// IAccessible node and return true if we find one with the given role
// and name.
void AccessibilityWinBrowserTest::FindNodeInAccessibilityTree(
IAccessible* node,
int32 expected_role,
const std::wstring& expected_name,
int32 depth,
bool* found) {
base::win::ScopedBstr name_bstr;
base::win::ScopedVariant childid_self(CHILDID_SELF);
node->get_accName(childid_self, name_bstr.Receive());
std::wstring name(name_bstr, name_bstr.Length());
base::win::ScopedVariant role;
node->get_accRole(childid_self, role.Receive());
ASSERT_EQ(VT_I4, role.type());
// Print the accessibility tree as we go, because if this test fails
// on the bots, this is really helpful in figuring out why.
for (int i = 0; i < depth; i++)
printf(" ");
printf("role=%s name=%s\n",
base::WideToUTF8(IAccessibleRoleToString(V_I4(role.ptr()))).c_str(),
base::WideToUTF8(name).c_str());
if (expected_role == V_I4(role.ptr()) && expected_name == name) {
*found = true;
return;
}
std::vector<base::win::ScopedVariant> children = GetAllAccessibleChildren(
node);
for (size_t i = 0; i < children.size(); ++i) {
base::win::ScopedComPtr<IAccessible> child_accessible(
GetAccessibleFromVariant(node, children[i].AsInput()));
if (child_accessible) {
FindNodeInAccessibilityTree(
child_accessible.get(), expected_role, expected_name, depth + 1,
found);
if (*found)
return;
}
}
}
// Ensures that the text and the start and end offsets retrieved using
// get_textAtOffset match the expected values.
void AccessibilityWinBrowserTest::CheckTextAtOffset(
base::win::ScopedComPtr<IAccessibleText>& element,
LONG offset,
IA2TextBoundaryType boundary_type,
LONG expected_start_offset,
LONG expected_end_offset,
const std::wstring& expected_text) {
testing::Message message;
message << "While checking for \'" << expected_text << "\' at " <<
expected_start_offset << '-' << expected_end_offset << '.';
SCOPED_TRACE(message);
LONG start_offset = 0;
LONG end_offset = 0;
base::win::ScopedBstr text;
HRESULT hr = element->get_textAtOffset(
offset, boundary_type,
&start_offset, &end_offset, text.Receive());
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(expected_start_offset, start_offset);
EXPECT_EQ(expected_end_offset, end_offset);
EXPECT_EQ(expected_text, std::wstring(text, text.Length()));
}
std::vector<base::win::ScopedVariant>
AccessibilityWinBrowserTest::GetAllAccessibleChildren(
IAccessible* element) {
LONG child_count = 0;
HRESULT hr = element->get_accChildCount(&child_count);
EXPECT_EQ(S_OK, hr);
if (child_count <= 0)
return std::vector<base::win::ScopedVariant>();
scoped_ptr<VARIANT[]> children_array(new VARIANT[child_count]);
LONG obtained_count = 0;
hr = AccessibleChildren(
element, 0, child_count, children_array.get(), &obtained_count);
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(child_count, obtained_count);
std::vector<base::win::ScopedVariant> children(
static_cast<size_t>(child_count));
for (size_t i = 0; i < children.size(); i++) {
children[i].Reset(children_array[i]);
}
return children;
}
// AccessibleChecker ----------------------------------------------------------
class AccessibilityWinBrowserTest::AccessibleChecker {
public:
// This constructor can be used if the IA2 role will be the same as the MSAA
// role.
AccessibleChecker(const std::wstring& expected_name,
int32 expected_role,
const std::wstring& expected_value);
AccessibleChecker(const std::wstring& expected_name,
int32 expected_role,
int32 expected_ia2_role,
const std::wstring& expected_value);
AccessibleChecker(const std::wstring& expected_name,
const std::wstring& expected_role,
int32 expected_ia2_role,
const std::wstring& expected_value);
// Append an AccessibleChecker that verifies accessibility information for
// a child IAccessible. Order is important.
void AppendExpectedChild(AccessibleChecker* expected_child);
// Check that the name and role of the given IAccessible instance and its
// descendants match the expected names and roles that this object was
// initialized with.
void CheckAccessible(IAccessible* accessible);
// Set the expected value for this AccessibleChecker.
void SetExpectedValue(const std::wstring& expected_value);
// Set the expected state for this AccessibleChecker.
void SetExpectedState(LONG expected_state);
private:
typedef std::vector<AccessibleChecker*> AccessibleCheckerVector;
void CheckAccessibleName(IAccessible* accessible);
void CheckAccessibleRole(IAccessible* accessible);
void CheckIA2Role(IAccessible* accessible);
void CheckAccessibleValue(IAccessible* accessible);
void CheckAccessibleState(IAccessible* accessible);
void CheckAccessibleChildren(IAccessible* accessible);
base::string16 RoleVariantToString(const base::win::ScopedVariant& role);
// Expected accessible name. Checked against IAccessible::get_accName.
std::wstring name_;
// Expected accessible role. Checked against IAccessible::get_accRole.
base::win::ScopedVariant role_;
// Expected IAccessible2 role. Checked against IAccessible2::role.
int32 ia2_role_;
// Expected accessible value. Checked against IAccessible::get_accValue.
std::wstring value_;
// Expected accessible state. Checked against IAccessible::get_accState.
LONG state_;
// Expected accessible children. Checked using IAccessible::get_accChildCount
// and ::AccessibleChildren.
AccessibleCheckerVector children_;
};
AccessibilityWinBrowserTest::AccessibleChecker::AccessibleChecker(
const std::wstring& expected_name,
int32 expected_role,
const std::wstring& expected_value)
: name_(expected_name),
role_(expected_role),
ia2_role_(expected_role),
value_(expected_value),
state_(-1) {
}
AccessibilityWinBrowserTest::AccessibleChecker::AccessibleChecker(
const std::wstring& expected_name,
int32 expected_role,
int32 expected_ia2_role,
const std::wstring& expected_value)
: name_(expected_name),
role_(expected_role),
ia2_role_(expected_ia2_role),
value_(expected_value),
state_(-1) {
}
AccessibilityWinBrowserTest::AccessibleChecker::AccessibleChecker(
const std::wstring& expected_name,
const std::wstring& expected_role,
int32 expected_ia2_role,
const std::wstring& expected_value)
: name_(expected_name),
role_(expected_role.c_str()),
ia2_role_(expected_ia2_role),
value_(expected_value),
state_(-1) {
}
void AccessibilityWinBrowserTest::AccessibleChecker::AppendExpectedChild(
AccessibleChecker* expected_child) {
children_.push_back(expected_child);
}
void AccessibilityWinBrowserTest::AccessibleChecker::CheckAccessible(
IAccessible* accessible) {
SCOPED_TRACE("While checking "
+ base::UTF16ToUTF8(RoleVariantToString(role_)));
CheckAccessibleName(accessible);
CheckAccessibleRole(accessible);
CheckIA2Role(accessible);
CheckAccessibleValue(accessible);
CheckAccessibleState(accessible);
CheckAccessibleChildren(accessible);
}
void AccessibilityWinBrowserTest::AccessibleChecker::SetExpectedValue(
const std::wstring& expected_value) {
value_ = expected_value;
}
void AccessibilityWinBrowserTest::AccessibleChecker::SetExpectedState(
LONG expected_state) {
state_ = expected_state;
}
void AccessibilityWinBrowserTest::AccessibleChecker::CheckAccessibleName(
IAccessible* accessible) {
base::win::ScopedBstr name;
base::win::ScopedVariant childid_self(CHILDID_SELF);
HRESULT hr = accessible->get_accName(childid_self, name.Receive());
if (name_.empty()) {
// If the object doesn't have name S_FALSE should be returned.
EXPECT_EQ(S_FALSE, hr);
} else {
// Test that the correct string was returned.
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(name_, std::wstring(name, name.Length()));
}
}
void AccessibilityWinBrowserTest::AccessibleChecker::CheckAccessibleRole(
IAccessible* accessible) {
base::win::ScopedVariant role;
base::win::ScopedVariant childid_self(CHILDID_SELF);
HRESULT hr = accessible->get_accRole(childid_self, role.Receive());
ASSERT_EQ(S_OK, hr);
EXPECT_EQ(0, role_.Compare(role))
<< "Expected role: " << RoleVariantToString(role_)
<< "\nGot role: " << RoleVariantToString(role);
}
void AccessibilityWinBrowserTest::AccessibleChecker::CheckIA2Role(
IAccessible* accessible) {
base::win::ScopedComPtr<IAccessible2> accessible2;
HRESULT hr = QueryIAccessible2(accessible, accessible2.Receive());
ASSERT_EQ(S_OK, hr);
long ia2_role = 0;
hr = accessible2->role(&ia2_role);
ASSERT_EQ(S_OK, hr);
EXPECT_EQ(ia2_role_, ia2_role)
<< "Expected ia2 role: " << IAccessible2RoleToString(ia2_role_)
<< "\nGot ia2 role: " << IAccessible2RoleToString(ia2_role);
}
void AccessibilityWinBrowserTest::AccessibleChecker::CheckAccessibleValue(
IAccessible* accessible) {
// Don't check the value if if's a DOCUMENT role, because the value
// is supposed to be the url (and we don't keep track of that in the
// test expectations).
base::win::ScopedVariant role;
base::win::ScopedVariant childid_self(CHILDID_SELF);
HRESULT hr = accessible->get_accRole(childid_self, role.Receive());
ASSERT_EQ(S_OK, hr);
if (role.type() == VT_I4 && V_I4(role.ptr()) == ROLE_SYSTEM_DOCUMENT)
return;
// Get the value.
base::win::ScopedBstr value;
hr = accessible->get_accValue(childid_self, value.Receive());
EXPECT_EQ(S_OK, hr);
// Test that the correct string was returned.
EXPECT_EQ(value_, std::wstring(value, value.Length()));
}
void AccessibilityWinBrowserTest::AccessibleChecker::CheckAccessibleState(
IAccessible* accessible) {
if (state_ < 0)
return;
base::win::ScopedVariant state;
base::win::ScopedVariant childid_self(CHILDID_SELF);
HRESULT hr = accessible->get_accState(childid_self, state.Receive());
EXPECT_EQ(S_OK, hr);
ASSERT_EQ(VT_I4, state.type());
LONG obj_state = V_I4(state.ptr());
// Avoid flakiness. The "offscreen" state depends on whether the browser
// window is frontmost or not, and "hottracked" depends on whether the
// mouse cursor happens to be over the element.
obj_state &= ~(STATE_SYSTEM_OFFSCREEN | STATE_SYSTEM_HOTTRACKED);
EXPECT_EQ(state_, obj_state)
<< "Expected state: " << IAccessibleStateToString(state_)
<< "\nGot state: " << IAccessibleStateToString(obj_state);
}
void AccessibilityWinBrowserTest::AccessibleChecker::CheckAccessibleChildren(
IAccessible* parent) {
std::vector<base::win::ScopedVariant> obtained_children =
GetAllAccessibleChildren(parent);
size_t child_count = obtained_children.size();
ASSERT_EQ(child_count, children_.size());
AccessibleCheckerVector::iterator child_checker;
std::vector<base::win::ScopedVariant>::iterator child;
for (child_checker = children_.begin(),
child = obtained_children.begin();
child_checker != children_.end()
&& child != obtained_children.end();
++child_checker, ++child) {
base::win::ScopedComPtr<IAccessible> child_accessible(
GetAccessibleFromVariant(parent, child->AsInput()));
ASSERT_TRUE(child_accessible.get());
(*child_checker)->CheckAccessible(child_accessible.get());
}
}
base::string16
AccessibilityWinBrowserTest::AccessibleChecker::RoleVariantToString(
const base::win::ScopedVariant& role) {
if (role.type() == VT_I4)
return IAccessibleRoleToString(V_I4(role.ptr()));
if (role.type() == VT_BSTR)
return base::string16(V_BSTR(role.ptr()), SysStringLen(V_BSTR(role.ptr())));
return base::string16();
}
} // namespace
// Tests ----------------------------------------------------------------------
IN_PROC_BROWSER_TEST_F(AccessibilityWinBrowserTest,
TestBusyAccessibilityTree) {
if (GetBaseAccessibilityMode() != AccessibilityModeOff)
return;
NavigateToURL(shell(), GURL(url::kAboutBlankURL));
// The initial accessible returned should have state STATE_SYSTEM_BUSY while
// the accessibility tree is being requested from the renderer.
AccessibleChecker document1_checker(std::wstring(), ROLE_SYSTEM_DOCUMENT,
std::wstring());
document1_checker.SetExpectedState(
STATE_SYSTEM_READONLY | STATE_SYSTEM_FOCUSABLE | STATE_SYSTEM_FOCUSED |
STATE_SYSTEM_BUSY);
document1_checker.CheckAccessible(GetRendererAccessible());
}
// Periodically failing. See crbug.com/145537
IN_PROC_BROWSER_TEST_F(AccessibilityWinBrowserTest,
DISABLED_TestNotificationActiveDescendantChanged) {
LoadInitialAccessibilityTreeFromHtml(
"<ul tabindex='-1' role='radiogroup' aria-label='ul'>"
"<li id='li'>li</li></ul>");
// Check the browser's copy of the renderer accessibility tree.
AccessibleChecker list_marker_checker(L"\x2022", ROLE_SYSTEM_TEXT,
std::wstring());
AccessibleChecker static_text_checker(L"li", ROLE_SYSTEM_TEXT,
std::wstring());
AccessibleChecker list_item_checker(std::wstring(), ROLE_SYSTEM_LISTITEM,
std::wstring());
list_item_checker.SetExpectedState(STATE_SYSTEM_READONLY);
AccessibleChecker radio_group_checker(L"ul", ROLE_SYSTEM_GROUPING,
IA2_ROLE_SECTION, std::wstring());
radio_group_checker.SetExpectedState(STATE_SYSTEM_FOCUSABLE);
AccessibleChecker document_checker(std::wstring(), ROLE_SYSTEM_DOCUMENT,
std::wstring());
list_item_checker.AppendExpectedChild(&list_marker_checker);
list_item_checker.AppendExpectedChild(&static_text_checker);
radio_group_checker.AppendExpectedChild(&list_item_checker);
document_checker.AppendExpectedChild(&radio_group_checker);
document_checker.CheckAccessible(GetRendererAccessible());
// Set focus to the radio group.
scoped_ptr<AccessibilityNotificationWaiter> waiter(
new AccessibilityNotificationWaiter(
shell(), AccessibilityModeComplete,
ui::AX_EVENT_FOCUS));
ExecuteScript(L"document.body.children[0].focus()");
waiter->WaitForNotification();
// Check that the accessibility tree of the browser has been updated.
radio_group_checker.SetExpectedState(
STATE_SYSTEM_FOCUSABLE | STATE_SYSTEM_FOCUSED);
document_checker.CheckAccessible(GetRendererAccessible());
// Set the active descendant of the radio group
waiter.reset(new AccessibilityNotificationWaiter(
shell(), AccessibilityModeComplete,
ui::AX_EVENT_FOCUS));
ExecuteScript(
L"document.body.children[0].setAttribute('aria-activedescendant', 'li')");
waiter->WaitForNotification();
// Check that the accessibility tree of the browser has been updated.
list_item_checker.SetExpectedState(
STATE_SYSTEM_READONLY | STATE_SYSTEM_FOCUSED);
radio_group_checker.SetExpectedState(STATE_SYSTEM_FOCUSABLE);
document_checker.CheckAccessible(GetRendererAccessible());
}
IN_PROC_BROWSER_TEST_F(AccessibilityWinBrowserTest,
TestNotificationCheckedStateChanged) {
LoadInitialAccessibilityTreeFromHtml(
"<body><input type='checkbox' /></body>");
// Check the browser's copy of the renderer accessibility tree.
AccessibleChecker checkbox_checker(std::wstring(), ROLE_SYSTEM_CHECKBUTTON,
std::wstring());
checkbox_checker.SetExpectedState(STATE_SYSTEM_FOCUSABLE);
AccessibleChecker body_checker(std::wstring(), L"body", IA2_ROLE_SECTION,
std::wstring());
AccessibleChecker document_checker(std::wstring(), ROLE_SYSTEM_DOCUMENT,
std::wstring());
body_checker.AppendExpectedChild(&checkbox_checker);
document_checker.AppendExpectedChild(&body_checker);
document_checker.CheckAccessible(GetRendererAccessible());
// Check the checkbox.
scoped_ptr<AccessibilityNotificationWaiter> waiter(
new AccessibilityNotificationWaiter(
shell(), AccessibilityModeComplete,
ui::AX_EVENT_CHECKED_STATE_CHANGED));
ExecuteScript(L"document.body.children[0].checked=true");
waiter->WaitForNotification();
// Check that the accessibility tree of the browser has been updated.
checkbox_checker.SetExpectedState(
STATE_SYSTEM_CHECKED | STATE_SYSTEM_FOCUSABLE);
document_checker.CheckAccessible(GetRendererAccessible());
}
IN_PROC_BROWSER_TEST_F(AccessibilityWinBrowserTest,
TestNotificationChildrenChanged) {
// The role attribute causes the node to be in the accessibility tree.
LoadInitialAccessibilityTreeFromHtml("<body role=group></body>");
// Check the browser's copy of the renderer accessibility tree.
AccessibleChecker group_checker(std::wstring(), ROLE_SYSTEM_GROUPING,
std::wstring());
AccessibleChecker document_checker(std::wstring(), ROLE_SYSTEM_DOCUMENT,
std::wstring());
document_checker.AppendExpectedChild(&group_checker);
document_checker.CheckAccessible(GetRendererAccessible());
// Change the children of the document body.
scoped_ptr<AccessibilityNotificationWaiter> waiter(
new AccessibilityNotificationWaiter(
shell(),
AccessibilityModeComplete,
ui::AX_EVENT_CHILDREN_CHANGED));
ExecuteScript(L"document.body.innerHTML='<b>new text</b>'");
waiter->WaitForNotification();
// Check that the accessibility tree of the browser has been updated.
AccessibleChecker text_checker(
L"new text", ROLE_SYSTEM_STATICTEXT, std::wstring());
group_checker.AppendExpectedChild(&text_checker);
document_checker.CheckAccessible(GetRendererAccessible());
}
IN_PROC_BROWSER_TEST_F(AccessibilityWinBrowserTest,
TestNotificationChildrenChanged2) {
// The role attribute causes the node to be in the accessibility tree.
LoadInitialAccessibilityTreeFromHtml(
"<div role=group style='visibility: hidden'>text</div>");
// Check the accessible tree of the browser.
AccessibleChecker document_checker(std::wstring(), ROLE_SYSTEM_DOCUMENT,
std::wstring());
document_checker.CheckAccessible(GetRendererAccessible());
// Change the children of the document body.
scoped_ptr<AccessibilityNotificationWaiter> waiter(
new AccessibilityNotificationWaiter(
shell(), AccessibilityModeComplete,
ui::AX_EVENT_CHILDREN_CHANGED));
ExecuteScript(L"document.body.children[0].style.visibility='visible'");
waiter->WaitForNotification();
// Check that the accessibility tree of the browser has been updated.
AccessibleChecker static_text_checker(L"text", ROLE_SYSTEM_STATICTEXT,
std::wstring());
AccessibleChecker group_checker(std::wstring(), ROLE_SYSTEM_GROUPING,
std::wstring());
document_checker.AppendExpectedChild(&group_checker);
group_checker.AppendExpectedChild(&static_text_checker);
document_checker.CheckAccessible(GetRendererAccessible());
}
IN_PROC_BROWSER_TEST_F(AccessibilityWinBrowserTest,
TestNotificationFocusChanged) {
// The role attribute causes the node to be in the accessibility tree.
LoadInitialAccessibilityTreeFromHtml("<div role=group tabindex='-1'></div>");
// Check the browser's copy of the renderer accessibility tree.
SCOPED_TRACE("Check initial tree");
AccessibleChecker group_checker(std::wstring(), ROLE_SYSTEM_GROUPING,
std::wstring());
group_checker.SetExpectedState(STATE_SYSTEM_FOCUSABLE);
AccessibleChecker document_checker(std::wstring(), ROLE_SYSTEM_DOCUMENT,
std::wstring());
document_checker.AppendExpectedChild(&group_checker);
document_checker.CheckAccessible(GetRendererAccessible());
// Focus the div in the document
scoped_ptr<AccessibilityNotificationWaiter> waiter(
new AccessibilityNotificationWaiter(
shell(), AccessibilityModeComplete,
ui::AX_EVENT_FOCUS));
ExecuteScript(L"document.body.children[0].focus()");
waiter->WaitForNotification();
// Check that the accessibility tree of the browser has been updated.
SCOPED_TRACE("Check updated tree after focusing div");
group_checker.SetExpectedState(
STATE_SYSTEM_FOCUSABLE | STATE_SYSTEM_FOCUSED);
document_checker.CheckAccessible(GetRendererAccessible());
// Focus the document accessible. This will un-focus the current node.
waiter.reset(
new AccessibilityNotificationWaiter(
shell(), AccessibilityModeComplete,
ui::AX_EVENT_BLUR));
base::win::ScopedComPtr<IAccessible> document_accessible(
GetRendererAccessible());
ASSERT_NE(document_accessible.get(), reinterpret_cast<IAccessible*>(NULL));
base::win::ScopedVariant childid_self(CHILDID_SELF);
HRESULT hr = document_accessible->accSelect(SELFLAG_TAKEFOCUS, childid_self);
ASSERT_EQ(S_OK, hr);
waiter->WaitForNotification();
// Check that the accessibility tree of the browser has been updated.
SCOPED_TRACE("Check updated tree after focusing document again");
group_checker.SetExpectedState(STATE_SYSTEM_FOCUSABLE);
document_checker.CheckAccessible(GetRendererAccessible());
}
IN_PROC_BROWSER_TEST_F(AccessibilityWinBrowserTest,
TestNotificationValueChanged) {
LoadInitialAccessibilityTreeFromHtml(
"<body><input type='text' value='old value'/></body>");
// Check the browser's copy of the renderer accessibility tree.
AccessibleChecker text_field_checker(std::wstring(), ROLE_SYSTEM_TEXT,
L"old value");
text_field_checker.SetExpectedState(STATE_SYSTEM_FOCUSABLE);
AccessibleChecker body_checker(std::wstring(), L"body", IA2_ROLE_SECTION,
std::wstring());
AccessibleChecker document_checker(std::wstring(), ROLE_SYSTEM_DOCUMENT,
std::wstring());
body_checker.AppendExpectedChild(&text_field_checker);
document_checker.AppendExpectedChild(&body_checker);
document_checker.CheckAccessible(GetRendererAccessible());
// Set the value of the text control
scoped_ptr<AccessibilityNotificationWaiter> waiter(
new AccessibilityNotificationWaiter(
shell(), AccessibilityModeComplete,
ui::AX_EVENT_VALUE_CHANGED));
ExecuteScript(L"document.body.children[0].value='new value'");
waiter->WaitForNotification();
// Check that the accessibility tree of the browser has been updated.
text_field_checker.SetExpectedValue(L"new value");
document_checker.CheckAccessible(GetRendererAccessible());
}
// This test verifies that the web content's accessibility tree is a
// descendant of the main browser window's accessibility tree, so that
// tools like AccExplorer32 or AccProbe can be used to examine Chrome's
// accessibility support.
//
// If you made a change and this test now fails, check that the NativeViewHost
// that wraps the tab contents returns the IAccessible implementation
// provided by RenderWidgetHostViewWin in GetNativeViewAccessible().
// flaky: http://crbug.com/402190
IN_PROC_BROWSER_TEST_F(AccessibilityWinBrowserTest,
DISABLED_ContainsRendererAccessibilityTree) {
LoadInitialAccessibilityTreeFromHtml(
"<html><head><title>MyDocument</title></head>"
"<body>Content</body></html>");
// Get the accessibility object for the window tree host.
aura::Window* window = shell()->window();
CHECK(window);
aura::WindowTreeHost* window_tree_host = window->GetHost();
CHECK(window_tree_host);
HWND hwnd = window_tree_host->GetAcceleratedWidget();
CHECK(hwnd);
base::win::ScopedComPtr<IAccessible> browser_accessible;
HRESULT hr = AccessibleObjectFromWindow(
hwnd,
OBJID_WINDOW,
IID_IAccessible,
reinterpret_cast<void**>(browser_accessible.Receive()));
ASSERT_EQ(S_OK, hr);
bool found = false;
FindNodeInAccessibilityTree(
browser_accessible.get(), ROLE_SYSTEM_DOCUMENT, L"MyDocument", 0, &found);
ASSERT_EQ(found, true);
}
IN_PROC_BROWSER_TEST_F(AccessibilityWinBrowserTest,
SupportsISimpleDOM) {
LoadInitialAccessibilityTreeFromHtml(
"<body><input type='checkbox'></body>");
// Get the IAccessible object for the document.
base::win::ScopedComPtr<IAccessible> document_accessible(
GetRendererAccessible());
ASSERT_NE(document_accessible.get(), reinterpret_cast<IAccessible*>(NULL));
// Get the ISimpleDOM object for the document.
base::win::ScopedComPtr<IServiceProvider> service_provider;
HRESULT hr = static_cast<IAccessible*>(document_accessible.get())
->QueryInterface(service_provider.Receive());
ASSERT_EQ(S_OK, hr);
const GUID refguid = {0x0c539790,
0x12e4,
0x11cf,
{0xb6, 0x61, 0x00, 0xaa, 0x00, 0x4c, 0xd6, 0xd8}};
base::win::ScopedComPtr<ISimpleDOMNode> document_isimpledomnode;
hr = static_cast<IServiceProvider*>(service_provider.get())
->QueryService(
refguid, IID_ISimpleDOMNode,
reinterpret_cast<void**>(document_isimpledomnode.Receive()));
ASSERT_EQ(S_OK, hr);
base::win::ScopedBstr node_name;
short name_space_id; // NOLINT
base::win::ScopedBstr node_value;
unsigned int num_children;
unsigned int unique_id;
unsigned short node_type; // NOLINT
hr = document_isimpledomnode->get_nodeInfo(
node_name.Receive(), &name_space_id, node_value.Receive(), &num_children,
&unique_id, &node_type);
ASSERT_EQ(S_OK, hr);
EXPECT_EQ(NODETYPE_DOCUMENT, node_type);
EXPECT_EQ(1, num_children);
node_name.Reset();
node_value.Reset();
base::win::ScopedComPtr<ISimpleDOMNode> body_isimpledomnode;
hr = document_isimpledomnode->get_firstChild(
body_isimpledomnode.Receive());
ASSERT_EQ(S_OK, hr);
hr = body_isimpledomnode->get_nodeInfo(
node_name.Receive(), &name_space_id, node_value.Receive(), &num_children,
&unique_id, &node_type);
ASSERT_EQ(S_OK, hr);
EXPECT_EQ(L"body", std::wstring(node_name, node_name.Length()));
EXPECT_EQ(NODETYPE_ELEMENT, node_type);
EXPECT_EQ(1, num_children);
node_name.Reset();
node_value.Reset();
base::win::ScopedComPtr<ISimpleDOMNode> checkbox_isimpledomnode;
hr = body_isimpledomnode->get_firstChild(
checkbox_isimpledomnode.Receive());
ASSERT_EQ(S_OK, hr);
hr = checkbox_isimpledomnode->get_nodeInfo(
node_name.Receive(), &name_space_id, node_value.Receive(), &num_children,
&unique_id, &node_type);
ASSERT_EQ(S_OK, hr);
EXPECT_EQ(L"input", std::wstring(node_name, node_name.Length()));
EXPECT_EQ(NODETYPE_ELEMENT, node_type);
EXPECT_EQ(0, num_children);
}
IN_PROC_BROWSER_TEST_F(AccessibilityWinBrowserTest, TestRoleGroup) {
LoadInitialAccessibilityTreeFromHtml(
"<fieldset></fieldset><div role=group></div>");
// Check the browser's copy of the renderer accessibility tree.
AccessibleChecker grouping1_checker(std::wstring(), ROLE_SYSTEM_GROUPING,
std::wstring());
AccessibleChecker grouping2_checker(std::wstring(), ROLE_SYSTEM_GROUPING,
std::wstring());
AccessibleChecker document_checker(std::wstring(), ROLE_SYSTEM_DOCUMENT,
std::wstring());
document_checker.AppendExpectedChild(&grouping1_checker);
document_checker.AppendExpectedChild(&grouping2_checker);
document_checker.CheckAccessible(GetRendererAccessible());
}
IN_PROC_BROWSER_TEST_F(AccessibilityWinBrowserTest,
TestSetCaretOffset) {
base::win::ScopedComPtr<IAccessibleText> input_text;
SetUpInputField(&input_text);
LONG caret_offset = 0;
HRESULT hr = input_text->get_caretOffset(&caret_offset);
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(CONTENTS_LENGTH - 1, caret_offset);
AccessibilityNotificationWaiter waiter(
shell(), AccessibilityModeComplete,
ui::AX_EVENT_TEXT_SELECTION_CHANGED);
caret_offset = 0;
hr = input_text->setCaretOffset(caret_offset);
EXPECT_EQ(S_OK, hr);
waiter.WaitForNotification();
hr = input_text->get_caretOffset(&caret_offset);
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(0, caret_offset);
}
IN_PROC_BROWSER_TEST_F(AccessibilityWinBrowserTest,
TestMultiLineSetCaretOffset) {
base::win::ScopedComPtr<IAccessibleText> textarea_text;
SetUpTextareaField(&textarea_text);
LONG caret_offset = 0;
HRESULT hr = textarea_text->get_caretOffset(&caret_offset);
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(CONTENTS_LENGTH - 1, caret_offset);
AccessibilityNotificationWaiter waiter(
shell(), AccessibilityModeComplete,
ui::AX_EVENT_TEXT_SELECTION_CHANGED);
caret_offset = 0;
hr = textarea_text->setCaretOffset(caret_offset);
EXPECT_EQ(S_OK, hr);
waiter.WaitForNotification();
hr = textarea_text->get_caretOffset(&caret_offset);
EXPECT_EQ(S_OK, hr);
EXPECT_EQ(0, caret_offset);
}
IN_PROC_BROWSER_TEST_F(AccessibilityWinBrowserTest,
TestTextAtOffsetWithInvalidArgs) {
base::win::ScopedComPtr<IAccessibleText> input_text;
SetUpInputField(&input_text);
HRESULT hr = input_text->get_textAtOffset(
0, IA2_TEXT_BOUNDARY_CHAR, NULL, NULL, NULL);
EXPECT_EQ(E_INVALIDARG, hr);
// Test invalid offset.
LONG start_offset = 0;
LONG end_offset = 0;
base::win::ScopedBstr text;
LONG invalid_offset = -5;
hr = input_text->get_textAtOffset(
invalid_offset, IA2_TEXT_BOUNDARY_CHAR,
&start_offset, &end_offset, text.Receive());
EXPECT_EQ(E_INVALIDARG, hr);
EXPECT_EQ(0, start_offset);
EXPECT_EQ(0, end_offset);
EXPECT_EQ(nullptr, static_cast<BSTR>(text));
invalid_offset = CONTENTS_LENGTH + 1;
hr = input_text->get_textAtOffset(
invalid_offset, IA2_TEXT_BOUNDARY_WORD,
&start_offset, &end_offset, text.Receive());
EXPECT_EQ(E_INVALIDARG, hr);
EXPECT_EQ(0, start_offset);
EXPECT_EQ(0, end_offset);
EXPECT_EQ(nullptr, static_cast<BSTR>(text));
// According to the IA2 Spec, only line boundaries should succeed when
// the offset is one past the end of the text.
invalid_offset = CONTENTS_LENGTH;
hr = input_text->get_textAtOffset(
invalid_offset, IA2_TEXT_BOUNDARY_CHAR,
&start_offset, &end_offset, text.Receive());
EXPECT_EQ(S_FALSE, hr);
EXPECT_EQ(0, start_offset);
EXPECT_EQ(0, end_offset);
EXPECT_EQ(nullptr, static_cast<BSTR>(text));
hr = input_text->get_textAtOffset(
invalid_offset, IA2_TEXT_BOUNDARY_WORD,
&start_offset, &end_offset, text.Receive());
EXPECT_EQ(S_FALSE, hr);
EXPECT_EQ(0, start_offset);
EXPECT_EQ(0, end_offset);
EXPECT_EQ(nullptr, static_cast<BSTR>(text));
hr = input_text->get_textAtOffset(
invalid_offset, IA2_TEXT_BOUNDARY_SENTENCE,
&start_offset, &end_offset, text.Receive());
EXPECT_EQ(S_FALSE, hr);
EXPECT_EQ(0, start_offset);
EXPECT_EQ(0, end_offset);
EXPECT_EQ(nullptr, static_cast<BSTR>(text));
hr = input_text->get_textAtOffset(
invalid_offset, IA2_TEXT_BOUNDARY_ALL,
&start_offset, &end_offset, text.Receive());
EXPECT_EQ(S_FALSE, hr);
EXPECT_EQ(0, start_offset);
EXPECT_EQ(0, end_offset);
EXPECT_EQ(nullptr, static_cast<BSTR>(text));
// The same behavior should be observed when the special offset
// IA2_TEXT_OFFSET_LENGTH is used.
hr = input_text->get_textAtOffset(
IA2_TEXT_OFFSET_LENGTH, IA2_TEXT_BOUNDARY_CHAR,
&start_offset, &end_offset, text.Receive());
EXPECT_EQ(S_FALSE, hr);
EXPECT_EQ(0, start_offset);
EXPECT_EQ(0, end_offset);
EXPECT_EQ(nullptr, static_cast<BSTR>(text));
hr = input_text->get_textAtOffset(
IA2_TEXT_OFFSET_LENGTH, IA2_TEXT_BOUNDARY_WORD,
&start_offset, &end_offset, text.Receive());
EXPECT_EQ(S_FALSE, hr);
EXPECT_EQ(0, start_offset);
EXPECT_EQ(0, end_offset);
EXPECT_EQ(nullptr, static_cast<BSTR>(text));
hr = input_text->get_textAtOffset(
IA2_TEXT_OFFSET_LENGTH, IA2_TEXT_BOUNDARY_SENTENCE,
&start_offset, &end_offset, text.Receive());
EXPECT_EQ(S_FALSE, hr);
EXPECT_EQ(0, start_offset);
EXPECT_EQ(0, end_offset);
EXPECT_EQ(nullptr, static_cast<BSTR>(text));
hr = input_text->get_textAtOffset(
IA2_TEXT_OFFSET_LENGTH, IA2_TEXT_BOUNDARY_ALL,
&start_offset, &end_offset, text.Receive());
EXPECT_EQ(S_FALSE, hr);
EXPECT_EQ(0, start_offset);
EXPECT_EQ(0, end_offset);
EXPECT_EQ(nullptr, static_cast<BSTR>(text));
}
IN_PROC_BROWSER_TEST_F(AccessibilityWinBrowserTest,
TestMultiLineTextAtOffsetWithInvalidArgs) {
base::win::ScopedComPtr<IAccessibleText> textarea_text;
SetUpTextareaField(&textarea_text);
HRESULT hr = textarea_text->get_textAtOffset(
0, IA2_TEXT_BOUNDARY_CHAR, NULL, NULL, NULL);
EXPECT_EQ(E_INVALIDARG, hr);
// Test invalid offset.
LONG start_offset = 0;
LONG end_offset = 0;
base::win::ScopedBstr text;
LONG invalid_offset = -5;
hr = textarea_text->get_textAtOffset(
invalid_offset, IA2_TEXT_BOUNDARY_CHAR,
&start_offset, &end_offset, text.Receive());
EXPECT_EQ(E_INVALIDARG, hr);
EXPECT_EQ(0, start_offset);
EXPECT_EQ(0, end_offset);
EXPECT_EQ(nullptr, static_cast<BSTR>(text));
invalid_offset = CONTENTS_LENGTH + 1;
hr = textarea_text->get_textAtOffset(
invalid_offset, IA2_TEXT_BOUNDARY_WORD,
&start_offset, &end_offset, text.Receive());
EXPECT_EQ(E_INVALIDARG, hr);
EXPECT_EQ(0, start_offset);
EXPECT_EQ(0, end_offset);
EXPECT_EQ(nullptr, static_cast<BSTR>(text));
// According to the IA2 Spec, only line boundaries should succeed when
// the offset is one past the end of the text.
invalid_offset = CONTENTS_LENGTH;
hr = textarea_text->get_textAtOffset(
invalid_offset, IA2_TEXT_BOUNDARY_CHAR,
&start_offset, &end_offset, text.Receive());
EXPECT_EQ(S_FALSE, hr);
EXPECT_EQ(0, start_offset);
EXPECT_EQ(0, end_offset);
EXPECT_EQ(nullptr, static_cast<BSTR>(text));
hr = textarea_text->get_textAtOffset(
invalid_offset, IA2_TEXT_BOUNDARY_WORD,
&start_offset, &end_offset, text.Receive());
EXPECT_EQ(S_FALSE, hr);
EXPECT_EQ(0, start_offset);
EXPECT_EQ(0, end_offset);
EXPECT_EQ(nullptr, static_cast<BSTR>(text));
hr = textarea_text->get_textAtOffset(
invalid_offset, IA2_TEXT_BOUNDARY_SENTENCE,
&start_offset, &end_offset, text.Receive());
EXPECT_EQ(S_FALSE, hr);
EXPECT_EQ(0, start_offset);
EXPECT_EQ(0, end_offset);
EXPECT_EQ(nullptr, static_cast<BSTR>(text));
hr = textarea_text->get_textAtOffset(
invalid_offset, IA2_TEXT_BOUNDARY_ALL,
&start_offset, &end_offset, text.Receive());
EXPECT_EQ(S_FALSE, hr);
EXPECT_EQ(0, start_offset);
EXPECT_EQ(0, end_offset);
EXPECT_EQ(nullptr, static_cast<BSTR>(text));
// The same behavior should be observed when the special offset
// IA2_TEXT_OFFSET_LENGTH is used.
hr = textarea_text->get_textAtOffset(
IA2_TEXT_OFFSET_LENGTH, IA2_TEXT_BOUNDARY_CHAR,
&start_offset, &end_offset, text.Receive());
EXPECT_EQ(S_FALSE, hr);
EXPECT_EQ(0, start_offset);
EXPECT_EQ(0, end_offset);
EXPECT_EQ(nullptr, static_cast<BSTR>(text));
hr = textarea_text->get_textAtOffset(
IA2_TEXT_OFFSET_LENGTH, IA2_TEXT_BOUNDARY_WORD,
&start_offset, &end_offset, text.Receive());
EXPECT_EQ(S_FALSE, hr);
EXPECT_EQ(0, start_offset);
EXPECT_EQ(0, end_offset);
EXPECT_EQ(nullptr, static_cast<BSTR>(text));
hr = textarea_text->get_textAtOffset(
IA2_TEXT_OFFSET_LENGTH, IA2_TEXT_BOUNDARY_SENTENCE,
&start_offset, &end_offset, text.Receive());
EXPECT_EQ(S_FALSE, hr);
EXPECT_EQ(0, start_offset);
EXPECT_EQ(0, end_offset);
EXPECT_EQ(nullptr, static_cast<BSTR>(text));
hr = textarea_text->get_textAtOffset(
IA2_TEXT_OFFSET_LENGTH, IA2_TEXT_BOUNDARY_ALL,
&start_offset, &end_offset, text.Receive());
EXPECT_EQ(S_FALSE, hr);
EXPECT_EQ(0, start_offset);
EXPECT_EQ(0, end_offset);
EXPECT_EQ(nullptr, static_cast<BSTR>(text));
}
IN_PROC_BROWSER_TEST_F(AccessibilityWinBrowserTest,
TestTextAtOffsetWithBoundaryCharacter) {
base::win::ScopedComPtr<IAccessibleText> input_text;
SetUpInputField(&input_text);
for (LONG offset = 0; offset < CONTENTS_LENGTH; ++offset) {
std::wstring expected_text(1, INPUT_CONTENTS[offset]);
LONG expected_start_offset = offset;
LONG expected_end_offset = offset + 1;
CheckTextAtOffset(input_text, offset, IA2_TEXT_BOUNDARY_CHAR,
expected_start_offset, expected_end_offset, expected_text);
}
for (LONG offset = CONTENTS_LENGTH - 1; offset >= 0; --offset) {
std::wstring expected_text(1, INPUT_CONTENTS[offset]);
LONG expected_start_offset = offset;
LONG expected_end_offset = offset + 1;
CheckTextAtOffset(input_text, offset, IA2_TEXT_BOUNDARY_CHAR,
expected_start_offset, expected_end_offset, expected_text);
}
CheckTextAtOffset(input_text, IA2_TEXT_OFFSET_CARET,
IA2_TEXT_BOUNDARY_CHAR, CONTENTS_LENGTH - 1, CONTENTS_LENGTH, L".");
}
IN_PROC_BROWSER_TEST_F(AccessibilityWinBrowserTest,
TestMultiLineTextAtOffsetWithBoundaryCharacter) {
base::win::ScopedComPtr<IAccessibleText> textarea_text;
SetUpTextareaField(&textarea_text);
for (LONG offset = 0; offset < CONTENTS_LENGTH; ++offset) {
std::wstring expected_text(1, TEXTAREA_CONTENTS[offset]);
LONG expected_start_offset = offset;
LONG expected_end_offset = offset + 1;
CheckTextAtOffset(textarea_text, offset, IA2_TEXT_BOUNDARY_CHAR,
expected_start_offset, expected_end_offset, expected_text);
}
for (LONG offset = CONTENTS_LENGTH - 1; offset >= 0; --offset) {
std::wstring expected_text(1, TEXTAREA_CONTENTS[offset]);
LONG expected_start_offset = offset;
LONG expected_end_offset = offset + 1;
CheckTextAtOffset(textarea_text, offset, IA2_TEXT_BOUNDARY_CHAR,
expected_start_offset, expected_end_offset, expected_text);
}
CheckTextAtOffset(textarea_text, IA2_TEXT_OFFSET_CARET,
IA2_TEXT_BOUNDARY_CHAR, CONTENTS_LENGTH - 1, CONTENTS_LENGTH, L".");
}
IN_PROC_BROWSER_TEST_F(AccessibilityWinBrowserTest,
TestTextAtOffsetWithBoundaryWord) {
base::win::ScopedComPtr<IAccessibleText> input_text;
SetUpInputField(&input_text);
// Trailing punctuation should be included as part of the previous word.
CheckTextAtOffset(input_text, 0, IA2_TEXT_BOUNDARY_WORD,
0, 4, L"Moz/");
CheckTextAtOffset(input_text, 2, IA2_TEXT_BOUNDARY_WORD,
0, 4, L"Moz/");
// If the offset is at the punctuation, it should return
// the previous word.
CheckTextAtOffset(input_text, 3, IA2_TEXT_BOUNDARY_WORD,
0, 4, L"Moz/");
// Numbers with a decimal point ("." for U.S), should be treated as one word.
// Also, trailing punctuation that occurs after empty space should be part of
// the word. ("5.0 (" and not "5.0 ".)
CheckTextAtOffset(input_text, 4, IA2_TEXT_BOUNDARY_WORD,
4, 9, L"5.0 (");
CheckTextAtOffset(input_text, 5, IA2_TEXT_BOUNDARY_WORD,
4, 9, L"5.0 (");
CheckTextAtOffset(input_text, 6, IA2_TEXT_BOUNDARY_WORD,
4, 9, L"5.0 (");
CheckTextAtOffset(input_text, 7, IA2_TEXT_BOUNDARY_WORD,
4, 9, L"5.0 (");
// Leading punctuation should not be included with the word after it.
CheckTextAtOffset(input_text, 8, IA2_TEXT_BOUNDARY_WORD,
4, 9, L"5.0 (");
CheckTextAtOffset(input_text, 11, IA2_TEXT_BOUNDARY_WORD,
9, 12, L"ST ");
// Numbers separated from letters with trailing punctuation should
// be split into two words. Same for abreviations like "i.e.".
CheckTextAtOffset(input_text, 12, IA2_TEXT_BOUNDARY_WORD,
12, 14, L"6.");
CheckTextAtOffset(input_text, 15, IA2_TEXT_BOUNDARY_WORD,
14, 17, L"x; ");
// Words with numbers should be treated like ordinary words.
CheckTextAtOffset(input_text, 17, IA2_TEXT_BOUNDARY_WORD,
17, 24, L"WWW33) ");
CheckTextAtOffset(input_text, 23, IA2_TEXT_BOUNDARY_WORD,
17, 24, L"WWW33) ");
// Multiple trailing empty spaces should be part of the word preceding it.
CheckTextAtOffset(input_text, 28, IA2_TEXT_BOUNDARY_WORD,
24, 33, L"WebKit \"");
CheckTextAtOffset(input_text, 31, IA2_TEXT_BOUNDARY_WORD,
24, 33, L"WebKit \"");
CheckTextAtOffset(input_text, 32, IA2_TEXT_BOUNDARY_WORD,
24, 33, L"WebKit \"");
// Leading punctuation such as quotation marks should not be part of the word.
CheckTextAtOffset(input_text, 33, IA2_TEXT_BOUNDARY_WORD,
33, 40, L"KHTML, ");
CheckTextAtOffset(input_text, 38, IA2_TEXT_BOUNDARY_WORD,
33, 40, L"KHTML, ");
// Trailing final punctuation should be part of the last word.
CheckTextAtOffset(input_text, 41, IA2_TEXT_BOUNDARY_WORD,
40, CONTENTS_LENGTH, L"like\".");
CheckTextAtOffset(input_text, 45, IA2_TEXT_BOUNDARY_WORD,
40, CONTENTS_LENGTH, L"like\".");
// Test special offsets.
CheckTextAtOffset(input_text, IA2_TEXT_OFFSET_CARET,
IA2_TEXT_BOUNDARY_WORD, 40, CONTENTS_LENGTH, L"like\".");
}
IN_PROC_BROWSER_TEST_F(AccessibilityWinBrowserTest,
TestMultiLineTextAtOffsetWithBoundaryWord) {
base::win::ScopedComPtr<IAccessibleText> textarea_text;
SetUpTextareaField(&textarea_text);
// Trailing punctuation should be included as part of the previous word.
CheckTextAtOffset(textarea_text, 0, IA2_TEXT_BOUNDARY_WORD,
0, 4, L"Moz/");
CheckTextAtOffset(textarea_text, 2, IA2_TEXT_BOUNDARY_WORD,
0, 4, L"Moz/");
// If the offset is at the punctuation, it should return
// the previous word.
CheckTextAtOffset(textarea_text, 3, IA2_TEXT_BOUNDARY_WORD,
0, 4, L"Moz/");
// Numbers with a decimal point ("." for U.S), should be treated as one word.
// Also, trailing punctuation that occurs after empty space should be part of
// the word. ("5.0 (" and not "5.0 ".)
CheckTextAtOffset(textarea_text, 4, IA2_TEXT_BOUNDARY_WORD,
4, 9, L"5.0 (");
CheckTextAtOffset(textarea_text, 5, IA2_TEXT_BOUNDARY_WORD,
4, 9, L"5.0 (");
CheckTextAtOffset(textarea_text, 6, IA2_TEXT_BOUNDARY_WORD,
4, 9, L"5.0 (");
CheckTextAtOffset(textarea_text, 7, IA2_TEXT_BOUNDARY_WORD,
4, 9, L"5.0 (");
// Leading punctuation should not be included with the word after it.
CheckTextAtOffset(textarea_text, 8, IA2_TEXT_BOUNDARY_WORD,
4, 9, L"5.0 (");
CheckTextAtOffset(textarea_text, 11, IA2_TEXT_BOUNDARY_WORD,
9, 12, L"ST ");
// Numbers separated from letters with trailing punctuation should
// be split into two words. Same for abreviations like "i.e.".
CheckTextAtOffset(textarea_text, 12, IA2_TEXT_BOUNDARY_WORD,
12, 14, L"6.");
CheckTextAtOffset(textarea_text, 15, IA2_TEXT_BOUNDARY_WORD,
14, 17, L"x; ");
// Words with numbers should be treated like ordinary words.
CheckTextAtOffset(textarea_text, 17, IA2_TEXT_BOUNDARY_WORD,
17, 24, L"WWW33)\n");
CheckTextAtOffset(textarea_text, 23, IA2_TEXT_BOUNDARY_WORD,
17, 24, L"WWW33)\n");
// Multiple trailing empty spaces should be part of the word preceding it.
CheckTextAtOffset(textarea_text, 28, IA2_TEXT_BOUNDARY_WORD,
24, 33, L"WebKit \n\"");
CheckTextAtOffset(textarea_text, 31, IA2_TEXT_BOUNDARY_WORD,
24, 33, L"WebKit \n\"");
CheckTextAtOffset(textarea_text, 32, IA2_TEXT_BOUNDARY_WORD,
24, 33, L"WebKit \n\"");
// Leading punctuation such as quotation marks should not be part of the word.
CheckTextAtOffset(textarea_text, 33, IA2_TEXT_BOUNDARY_WORD,
33, 40, L"KHTML, ");
CheckTextAtOffset(textarea_text, 38, IA2_TEXT_BOUNDARY_WORD,
33, 40, L"KHTML, ");
// Trailing final punctuation should be part of the last word.
CheckTextAtOffset(textarea_text, 41, IA2_TEXT_BOUNDARY_WORD,
40, CONTENTS_LENGTH, L"like\".");
CheckTextAtOffset(textarea_text, 45, IA2_TEXT_BOUNDARY_WORD,
40, CONTENTS_LENGTH, L"like\".");
// Test special offsets.
CheckTextAtOffset(textarea_text, IA2_TEXT_OFFSET_CARET,
IA2_TEXT_BOUNDARY_WORD, 40, CONTENTS_LENGTH, L"like\".");
}
IN_PROC_BROWSER_TEST_F(AccessibilityWinBrowserTest,
TestTextAtOffsetWithBoundarySentence) {
base::win::ScopedComPtr<IAccessibleText> input_text;
SetUpInputField(&input_text);
// Sentence navigation is not currently implemented.
LONG start_offset = 0;
LONG end_offset = 0;
base::win::ScopedBstr text;
HRESULT hr = input_text->get_textAtOffset(
5, IA2_TEXT_BOUNDARY_SENTENCE,
&start_offset, &end_offset, text.Receive());
EXPECT_EQ(S_FALSE, hr);
}
IN_PROC_BROWSER_TEST_F(AccessibilityWinBrowserTest,
TestMultiLineTextAtOffsetWithBoundarySentence) {
base::win::ScopedComPtr<IAccessibleText> textarea_text;
SetUpTextareaField(&textarea_text);
// Sentence navigation is not currently implemented.
LONG start_offset = 0;
LONG end_offset = 0;
base::win::ScopedBstr text;
HRESULT hr = textarea_text->get_textAtOffset(
25, IA2_TEXT_BOUNDARY_SENTENCE,
&start_offset, &end_offset, text.Receive());
EXPECT_EQ(S_FALSE, hr);
}
IN_PROC_BROWSER_TEST_F(AccessibilityWinBrowserTest,
TestTextAtOffsetWithBoundaryLine) {
base::win::ScopedComPtr<IAccessibleText> input_text;
SetUpInputField(&input_text);
// Single line text fields should return the whole text.
CheckTextAtOffset(input_text, 0, IA2_TEXT_BOUNDARY_LINE,
0, CONTENTS_LENGTH, base::SysUTF8ToWide(INPUT_CONTENTS));
// Test special offsets.
CheckTextAtOffset(input_text, IA2_TEXT_OFFSET_LENGTH, IA2_TEXT_BOUNDARY_LINE,
0, CONTENTS_LENGTH, base::SysUTF8ToWide(INPUT_CONTENTS));
CheckTextAtOffset(input_text, IA2_TEXT_OFFSET_CARET, IA2_TEXT_BOUNDARY_LINE,
0, CONTENTS_LENGTH, base::SysUTF8ToWide(INPUT_CONTENTS));
}
IN_PROC_BROWSER_TEST_F(AccessibilityWinBrowserTest,
TestMultiLineTextAtOffsetWithBoundaryLine) {
base::win::ScopedComPtr<IAccessibleText> textarea_text;
SetUpTextareaField(&textarea_text);
CheckTextAtOffset(textarea_text, 0, IA2_TEXT_BOUNDARY_LINE,
0, 24, L"Moz/5.0 (ST 6.x; WWW33)\n");
// If the offset is at the newline, return the line preceding it.
CheckTextAtOffset(textarea_text, 31, IA2_TEXT_BOUNDARY_LINE,
24, 32, L"WebKit \n");
// Last line does not have a trailing newline.
CheckTextAtOffset(textarea_text, 32, IA2_TEXT_BOUNDARY_LINE,
32, CONTENTS_LENGTH, L"\"KHTML, like\".");
// An offset one past the last character should return the last line.
CheckTextAtOffset(textarea_text, CONTENTS_LENGTH, IA2_TEXT_BOUNDARY_LINE,
32, CONTENTS_LENGTH, L"\"KHTML, like\".");
// Test special offsets.
CheckTextAtOffset(textarea_text, IA2_TEXT_OFFSET_LENGTH,
IA2_TEXT_BOUNDARY_LINE, 32, CONTENTS_LENGTH, L"\"KHTML, like\".");
CheckTextAtOffset(textarea_text, IA2_TEXT_OFFSET_CARET,
IA2_TEXT_BOUNDARY_LINE, 32, CONTENTS_LENGTH, L"\"KHTML, like\".");
}
IN_PROC_BROWSER_TEST_F(AccessibilityWinBrowserTest,
TestTextAtOffsetWithBoundaryAll) {
base::win::ScopedComPtr<IAccessibleText> input_text;
SetUpInputField(&input_text);
CheckTextAtOffset(input_text, 0, IA2_TEXT_BOUNDARY_ALL,
0, CONTENTS_LENGTH, base::SysUTF8ToWide(INPUT_CONTENTS));
}
IN_PROC_BROWSER_TEST_F(AccessibilityWinBrowserTest,
TestMultiLineTextAtOffsetWithBoundaryAll) {
base::win::ScopedComPtr<IAccessibleText> textarea_text;
SetUpTextareaField(&textarea_text);
CheckTextAtOffset(textarea_text, CONTENTS_LENGTH - 1, IA2_TEXT_BOUNDARY_ALL,
0, CONTENTS_LENGTH, base::SysUTF8ToWide(TEXTAREA_CONTENTS));
}
} // namespace content