blob: de5fb715c222886068fc1283b05e1ddfc2a99f3a [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 <stddef.h>
#include <stdint.h>
#include "base/scoped_observer.h"
#include "base/strings/string16.h"
#include "base/strings/utf_string_conversions.h"
#include "build/build_config.h"
#include "build/buildflag.h"
#include "content/browser/accessibility/browser_accessibility.h"
#include "content/browser/accessibility/browser_accessibility_manager.h"
#if defined(OS_WIN)
#include "content/browser/accessibility/browser_accessibility_win.h"
#endif
#include "content/browser/accessibility/test_browser_accessibility_delegate.h"
#include "content/public/browser/ax_event_notification_details.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace content {
namespace {
class CountingAXTreeObserver : public ui::AXTreeObserver {
public:
CountingAXTreeObserver() {}
~CountingAXTreeObserver() override {}
int update_count() { return update_count_; }
int node_count() { return node_count_; }
private:
void OnAtomicUpdateFinished(ui::AXTree* tree,
bool root_changed,
const std::vector<Change>& changes) override {
update_count_++;
node_count_ += static_cast<int>(changes.size());
}
int update_count_ = 0;
int node_count_ = 0;
};
} // anonymous namespace
class BrowserAccessibilityManagerTest : public testing::Test {
public:
BrowserAccessibilityManagerTest() = default;
~BrowserAccessibilityManagerTest() override = default;
protected:
std::unique_ptr<TestBrowserAccessibilityDelegate>
test_browser_accessibility_delegate_;
private:
void SetUp() override;
DISALLOW_COPY_AND_ASSIGN(BrowserAccessibilityManagerTest);
};
void BrowserAccessibilityManagerTest::SetUp() {
test_browser_accessibility_delegate_ =
std::make_unique<TestBrowserAccessibilityDelegate>();
}
// Temporarily disabled due to bug http://crbug.com/765490
TEST_F(BrowserAccessibilityManagerTest, DISABLED_TestFatalError) {
// Test that BrowserAccessibilityManager raises a fatal error
// (which will crash the renderer) if the same id is used in
// two places in the tree.
ui::AXNodeData root;
root.id = 1;
root.role = ax::mojom::Role::kRootWebArea;
root.child_ids.push_back(2);
root.child_ids.push_back(2);
std::unique_ptr<BrowserAccessibilityManager> manager;
ASSERT_FALSE(test_browser_accessibility_delegate_->got_fatal_error());
manager.reset(BrowserAccessibilityManager::Create(
MakeAXTreeUpdate(root), test_browser_accessibility_delegate_.get()));
ASSERT_TRUE(test_browser_accessibility_delegate_->got_fatal_error());
ui::AXNodeData root2;
root2.id = 1;
root2.role = ax::mojom::Role::kRootWebArea;
root2.child_ids.push_back(2);
root2.child_ids.push_back(3);
ui::AXNodeData child1;
child1.id = 2;
child1.child_ids.push_back(4);
child1.child_ids.push_back(5);
ui::AXNodeData child2;
child2.id = 3;
child2.child_ids.push_back(6);
child2.child_ids.push_back(5); // Duplicate
ui::AXNodeData grandchild4;
grandchild4.id = 4;
ui::AXNodeData grandchild5;
grandchild5.id = 5;
ui::AXNodeData grandchild6;
grandchild6.id = 6;
test_browser_accessibility_delegate_->reset_got_fatal_error();
manager.reset(BrowserAccessibilityManager::Create(
MakeAXTreeUpdate(root2, child1, child2, grandchild4, grandchild5,
grandchild6),
test_browser_accessibility_delegate_.get()));
ASSERT_TRUE(test_browser_accessibility_delegate_->got_fatal_error());
}
// This test depends on hypertext, which is only used on
// Linux and Windows.
#if defined(OS_WIN) || BUILDFLAG(USE_ATK)
TEST_F(BrowserAccessibilityManagerTest, BoundsForRange) {
ui::AXNodeData root;
root.id = 1;
root.role = ax::mojom::Role::kRootWebArea;
root.relative_bounds.bounds = gfx::RectF(0, 0, 800, 600);
ui::AXNodeData static_text;
static_text.id = 2;
static_text.role = ax::mojom::Role::kStaticText;
static_text.SetName("Hello, world.");
static_text.relative_bounds.bounds = gfx::RectF(100, 100, 29, 18);
root.child_ids.push_back(2);
ui::AXNodeData inline_text1;
inline_text1.id = 3;
inline_text1.role = ax::mojom::Role::kInlineTextBox;
inline_text1.SetName("Hello, ");
inline_text1.relative_bounds.bounds = gfx::RectF(100, 100, 29, 9);
inline_text1.SetTextDirection(ax::mojom::WritingDirection::kLtr);
std::vector<int32_t> character_offsets1;
character_offsets1.push_back(6); // 0
character_offsets1.push_back(11); // 1
character_offsets1.push_back(16); // 2
character_offsets1.push_back(21); // 3
character_offsets1.push_back(26); // 4
character_offsets1.push_back(29); // 5
character_offsets1.push_back(29); // 6 (note that the space has no width)
inline_text1.AddIntListAttribute(
ax::mojom::IntListAttribute::kCharacterOffsets, character_offsets1);
static_text.child_ids.push_back(3);
ui::AXNodeData inline_text2;
inline_text2.id = 4;
inline_text2.role = ax::mojom::Role::kInlineTextBox;
inline_text2.SetName("world.");
inline_text2.relative_bounds.bounds = gfx::RectF(100, 109, 28, 9);
inline_text2.SetTextDirection(ax::mojom::WritingDirection::kLtr);
std::vector<int32_t> character_offsets2;
character_offsets2.push_back(5);
character_offsets2.push_back(10);
character_offsets2.push_back(15);
character_offsets2.push_back(20);
character_offsets2.push_back(25);
character_offsets2.push_back(28);
inline_text2.AddIntListAttribute(
ax::mojom::IntListAttribute::kCharacterOffsets, character_offsets2);
static_text.child_ids.push_back(4);
std::unique_ptr<BrowserAccessibilityManager> manager(
BrowserAccessibilityManager::Create(
MakeAXTreeUpdate(root, static_text, inline_text1, inline_text2),
test_browser_accessibility_delegate_.get()));
BrowserAccessibility* root_accessible = manager->GetRoot();
ASSERT_NE(nullptr, root_accessible);
BrowserAccessibility* static_text_accessible =
root_accessible->PlatformGetChild(0);
ASSERT_NE(nullptr, static_text_accessible);
EXPECT_EQ(gfx::Rect(100, 100, 6, 9).ToString(),
static_text_accessible
->GetRootFrameHypertextRangeBoundsRect(
0, 1, ui::AXClippingBehavior::kUnclipped)
.ToString());
EXPECT_EQ(gfx::Rect(100, 100, 26, 9).ToString(),
static_text_accessible
->GetRootFrameHypertextRangeBoundsRect(
0, 5, ui::AXClippingBehavior::kUnclipped)
.ToString());
EXPECT_EQ(gfx::Rect(100, 109, 5, 9).ToString(),
static_text_accessible
->GetRootFrameHypertextRangeBoundsRect(
7, 1, ui::AXClippingBehavior::kUnclipped)
.ToString());
EXPECT_EQ(gfx::Rect(100, 109, 25, 9).ToString(),
static_text_accessible
->GetRootFrameHypertextRangeBoundsRect(
7, 5, ui::AXClippingBehavior::kUnclipped)
.ToString());
EXPECT_EQ(gfx::Rect(100, 100, 29, 18).ToString(),
static_text_accessible
->GetRootFrameHypertextRangeBoundsRect(
5, 3, ui::AXClippingBehavior::kUnclipped)
.ToString());
EXPECT_EQ(gfx::Rect(100, 100, 29, 18).ToString(),
static_text_accessible
->GetRootFrameHypertextRangeBoundsRect(
0, 13, ui::AXClippingBehavior::kUnclipped)
.ToString());
// Note that each child in the parent element is represented by a single
// embedded object character and not by its text.
// TODO(nektar): Investigate failure on Linux.
EXPECT_EQ(gfx::Rect(100, 100, 29, 18).ToString(),
root_accessible
->GetRootFrameHypertextRangeBoundsRect(
0, 13, ui::AXClippingBehavior::kUnclipped)
.ToString());
}
#endif // defined(OS_WIN) || BUILDFLAG(USE_ATK)
TEST_F(BrowserAccessibilityManagerTest, BoundsForRangeMultiElement) {
ui::AXNodeData root;
root.id = 1;
root.role = ax::mojom::Role::kRootWebArea;
root.relative_bounds.bounds = gfx::RectF(0, 0, 800, 600);
ui::AXNodeData static_text;
static_text.id = 2;
static_text.role = ax::mojom::Role::kStaticText;
static_text.SetName("ABC");
static_text.relative_bounds.bounds = gfx::RectF(0, 20, 33, 9);
root.child_ids.push_back(2);
ui::AXNodeData inline_text1;
inline_text1.id = 3;
inline_text1.role = ax::mojom::Role::kInlineTextBox;
inline_text1.SetName("ABC");
inline_text1.relative_bounds.bounds = gfx::RectF(0, 20, 33, 9);
inline_text1.SetTextDirection(ax::mojom::WritingDirection::kLtr);
std::vector<int32_t> character_offsets{10, 21, 33};
inline_text1.AddIntListAttribute(
ax::mojom::IntListAttribute::kCharacterOffsets, character_offsets);
static_text.child_ids.push_back(3);
ui::AXNodeData static_text2;
static_text2.id = 4;
static_text2.role = ax::mojom::Role::kStaticText;
static_text2.SetName("ABC");
static_text2.relative_bounds.bounds = gfx::RectF(10, 40, 33, 9);
root.child_ids.push_back(4);
ui::AXNodeData inline_text2;
inline_text2.id = 5;
inline_text2.role = ax::mojom::Role::kInlineTextBox;
inline_text2.SetName("ABC");
inline_text2.relative_bounds.bounds = gfx::RectF(10, 40, 33, 9);
inline_text2.SetTextDirection(ax::mojom::WritingDirection::kLtr);
inline_text2.AddIntListAttribute(
ax::mojom::IntListAttribute::kCharacterOffsets, character_offsets);
static_text2.child_ids.push_back(5);
std::unique_ptr<BrowserAccessibilityManager> manager(
BrowserAccessibilityManager::Create(
MakeAXTreeUpdate(root, static_text, inline_text1, static_text2,
inline_text2),
test_browser_accessibility_delegate_.get()));
BrowserAccessibility* root_accessible = manager->GetRoot();
ASSERT_NE(nullptr, root_accessible);
BrowserAccessibility* static_text_accessible =
root_accessible->PlatformGetChild(0);
ASSERT_NE(nullptr, static_text_accessible);
BrowserAccessibility* static_text_accessible2 =
root_accessible->PlatformGetChild(1);
ASSERT_NE(nullptr, static_text_accessible);
// The first line.
EXPECT_EQ(gfx::Rect(0, 20, 33, 9).ToString(),
manager
->GetRootFrameInnerTextRangeBoundsRect(
*static_text_accessible, 0, *static_text_accessible, 3)
.ToString());
// Part of the first line.
EXPECT_EQ(gfx::Rect(0, 20, 21, 9).ToString(),
manager
->GetRootFrameInnerTextRangeBoundsRect(
*static_text_accessible, 0, *static_text_accessible, 2)
.ToString());
// Part of the first line.
EXPECT_EQ(gfx::Rect(10, 20, 23, 9).ToString(),
manager
->GetRootFrameInnerTextRangeBoundsRect(
*static_text_accessible, 1, *static_text_accessible, 3)
.ToString());
// The second line.
EXPECT_EQ(gfx::Rect(10, 40, 33, 9).ToString(),
manager
->GetRootFrameInnerTextRangeBoundsRect(
*static_text_accessible2, 0, *static_text_accessible2, 3)
.ToString());
// All of both lines.
EXPECT_EQ(gfx::Rect(0, 20, 43, 29).ToString(),
manager
->GetRootFrameInnerTextRangeBoundsRect(
*static_text_accessible, 0, *static_text_accessible2, 3)
.ToString());
// Part of both lines.
EXPECT_EQ(gfx::Rect(10, 20, 23, 29).ToString(),
manager
->GetRootFrameInnerTextRangeBoundsRect(
*static_text_accessible, 2, *static_text_accessible2, 1)
.ToString());
// Part of both lines in reverse order.
EXPECT_EQ(gfx::Rect(10, 20, 23, 29).ToString(),
manager
->GetRootFrameInnerTextRangeBoundsRect(
*static_text_accessible2, 1, *static_text_accessible, 2)
.ToString());
}
// This test depends on hypertext, which is only used on
// Linux and Windows.
#if defined(OS_WIN) || BUILDFLAG(USE_ATK)
TEST_F(BrowserAccessibilityManagerTest, BoundsForRangeBiDi) {
// In this example, we assume that the string "123abc" is rendered with
// "123" going left-to-right and "abc" going right-to-left. In other
// words, on-screen it would look like "123cba". This is possible to
// achieve if the source string had unicode control characters
// to switch directions. This test doesn't worry about how, though - it just
// tests that if something like that were to occur,
// GetRootFrameRangeBoundsRect returns the correct bounds for different
// ranges.
ui::AXNodeData root;
root.id = 1;
root.role = ax::mojom::Role::kRootWebArea;
root.relative_bounds.bounds = gfx::RectF(0, 0, 800, 600);
ui::AXNodeData static_text;
static_text.id = 2;
static_text.role = ax::mojom::Role::kStaticText;
static_text.SetName("123abc");
static_text.relative_bounds.bounds = gfx::RectF(100, 100, 60, 20);
root.child_ids.push_back(2);
ui::AXNodeData inline_text1;
inline_text1.id = 3;
inline_text1.role = ax::mojom::Role::kInlineTextBox;
inline_text1.SetName("123");
inline_text1.relative_bounds.bounds = gfx::RectF(100, 100, 30, 20);
inline_text1.SetTextDirection(ax::mojom::WritingDirection::kLtr);
std::vector<int32_t> character_offsets1;
character_offsets1.push_back(10); // 0
character_offsets1.push_back(20); // 1
character_offsets1.push_back(30); // 2
inline_text1.AddIntListAttribute(
ax::mojom::IntListAttribute::kCharacterOffsets, character_offsets1);
static_text.child_ids.push_back(3);
ui::AXNodeData inline_text2;
inline_text2.id = 4;
inline_text2.role = ax::mojom::Role::kInlineTextBox;
inline_text2.SetName("abc");
inline_text2.relative_bounds.bounds = gfx::RectF(130, 100, 30, 20);
inline_text2.SetTextDirection(ax::mojom::WritingDirection::kRtl);
std::vector<int32_t> character_offsets2;
character_offsets2.push_back(10);
character_offsets2.push_back(20);
character_offsets2.push_back(30);
inline_text2.AddIntListAttribute(
ax::mojom::IntListAttribute::kCharacterOffsets, character_offsets2);
static_text.child_ids.push_back(4);
std::unique_ptr<BrowserAccessibilityManager> manager(
BrowserAccessibilityManager::Create(
MakeAXTreeUpdate(root, static_text, inline_text1, inline_text2),
test_browser_accessibility_delegate_.get()));
BrowserAccessibility* root_accessible = manager->GetRoot();
ASSERT_NE(nullptr, root_accessible);
BrowserAccessibility* static_text_accessible =
root_accessible->PlatformGetChild(0);
ASSERT_NE(nullptr, static_text_accessible);
EXPECT_EQ(gfx::Rect(100, 100, 60, 20).ToString(),
static_text_accessible
->GetRootFrameHypertextRangeBoundsRect(
0, 6, ui::AXClippingBehavior::kUnclipped)
.ToString());
EXPECT_EQ(gfx::Rect(100, 100, 10, 20).ToString(),
static_text_accessible
->GetRootFrameHypertextRangeBoundsRect(
0, 1, ui::AXClippingBehavior::kUnclipped)
.ToString());
EXPECT_EQ(gfx::Rect(100, 100, 30, 20).ToString(),
static_text_accessible
->GetRootFrameHypertextRangeBoundsRect(
0, 3, ui::AXClippingBehavior::kUnclipped)
.ToString());
EXPECT_EQ(gfx::Rect(150, 100, 10, 20).ToString(),
static_text_accessible
->GetRootFrameHypertextRangeBoundsRect(
3, 1, ui::AXClippingBehavior::kUnclipped)
.ToString());
EXPECT_EQ(gfx::Rect(130, 100, 30, 20).ToString(),
static_text_accessible
->GetRootFrameHypertextRangeBoundsRect(
3, 3, ui::AXClippingBehavior::kUnclipped)
.ToString());
// This range is only two characters, but because of the direction switch
// the bounds are as wide as four characters.
EXPECT_EQ(gfx::Rect(120, 100, 40, 20).ToString(),
static_text_accessible
->GetRootFrameHypertextRangeBoundsRect(
2, 2, ui::AXClippingBehavior::kUnclipped)
.ToString());
}
#endif // defined(OS_WIN) || BUILDFLAG(USE_ATK)
// This test depends on hypertext, which is only used on
// Linux and Windows.
#if defined(OS_WIN) || BUILDFLAG(USE_ATK)
TEST_F(BrowserAccessibilityManagerTest, BoundsForRangeScrolledWindow) {
ui::AXNodeData root;
root.id = 1;
root.role = ax::mojom::Role::kRootWebArea;
root.AddIntAttribute(ax::mojom::IntAttribute::kScrollX, 25);
root.AddIntAttribute(ax::mojom::IntAttribute::kScrollY, 50);
root.relative_bounds.bounds = gfx::RectF(0, 0, 800, 600);
ui::AXNodeData static_text;
static_text.id = 2;
static_text.role = ax::mojom::Role::kStaticText;
static_text.SetName("ABC");
static_text.relative_bounds.bounds = gfx::RectF(100, 100, 16, 9);
root.child_ids.push_back(2);
ui::AXNodeData inline_text;
inline_text.id = 3;
inline_text.role = ax::mojom::Role::kInlineTextBox;
inline_text.SetName("ABC");
inline_text.relative_bounds.bounds = gfx::RectF(100, 100, 16, 9);
inline_text.SetTextDirection(ax::mojom::WritingDirection::kLtr);
std::vector<int32_t> character_offsets1;
character_offsets1.push_back(6); // 0
character_offsets1.push_back(11); // 1
character_offsets1.push_back(16); // 2
inline_text.AddIntListAttribute(
ax::mojom::IntListAttribute::kCharacterOffsets, character_offsets1);
static_text.child_ids.push_back(3);
std::unique_ptr<BrowserAccessibilityManager> manager(
BrowserAccessibilityManager::Create(
MakeAXTreeUpdate(root, static_text, inline_text),
test_browser_accessibility_delegate_.get()));
BrowserAccessibility* root_accessible = manager->GetRoot();
ASSERT_NE(nullptr, root_accessible);
BrowserAccessibility* static_text_accessible =
root_accessible->PlatformGetChild(0);
ASSERT_NE(nullptr, static_text_accessible);
if (manager->UseRootScrollOffsetsWhenComputingBounds()) {
EXPECT_EQ(gfx::Rect(75, 50, 16, 9).ToString(),
static_text_accessible
->GetRootFrameHypertextRangeBoundsRect(
0, 3, ui::AXClippingBehavior::kUnclipped)
.ToString());
} else {
EXPECT_EQ(gfx::Rect(100, 100, 16, 9).ToString(),
static_text_accessible
->GetRootFrameHypertextRangeBoundsRect(
0, 3, ui::AXClippingBehavior::kUnclipped)
.ToString());
}
}
#endif // defined(OS_WIN) || BUILDFLAG(USE_ATK)
// This test depends on hypertext, which is only used on
// Linux and Windows.
#if defined(OS_WIN) || BUILDFLAG(USE_ATK)
TEST_F(BrowserAccessibilityManagerTest, BoundsForRangeOnParentElement) {
ui::AXNodeData root;
root.id = 1;
root.role = ax::mojom::Role::kRootWebArea;
root.child_ids.push_back(2);
root.relative_bounds.bounds = gfx::RectF(0, 0, 800, 600);
ui::AXNodeData div;
div.id = 2;
div.role = ax::mojom::Role::kGenericContainer;
div.relative_bounds.bounds = gfx::RectF(100, 100, 100, 20);
div.child_ids.push_back(3);
div.child_ids.push_back(4);
div.child_ids.push_back(5);
ui::AXNodeData static_text1;
static_text1.id = 3;
static_text1.role = ax::mojom::Role::kStaticText;
static_text1.SetName("AB");
static_text1.relative_bounds.bounds = gfx::RectF(100, 100, 40, 20);
static_text1.child_ids.push_back(6);
ui::AXNodeData img;
img.id = 4;
img.role = ax::mojom::Role::kImage;
img.SetName("Test image");
img.relative_bounds.bounds = gfx::RectF(140, 100, 20, 20);
ui::AXNodeData static_text2;
static_text2.id = 5;
static_text2.role = ax::mojom::Role::kStaticText;
static_text2.SetName("CD");
static_text2.relative_bounds.bounds = gfx::RectF(160, 100, 40, 20);
static_text2.child_ids.push_back(7);
ui::AXNodeData inline_text1;
inline_text1.id = 6;
inline_text1.role = ax::mojom::Role::kInlineTextBox;
inline_text1.SetName("AB");
inline_text1.relative_bounds.bounds = gfx::RectF(100, 100, 40, 20);
inline_text1.SetTextDirection(ax::mojom::WritingDirection::kLtr);
std::vector<int32_t> character_offsets1;
character_offsets1.push_back(20); // 0
character_offsets1.push_back(40); // 1
inline_text1.AddIntListAttribute(
ax::mojom::IntListAttribute::kCharacterOffsets, character_offsets1);
ui::AXNodeData inline_text2;
inline_text2.id = 7;
inline_text2.role = ax::mojom::Role::kInlineTextBox;
inline_text2.SetName("CD");
inline_text2.relative_bounds.bounds = gfx::RectF(160, 100, 40, 20);
inline_text2.SetTextDirection(ax::mojom::WritingDirection::kLtr);
std::vector<int32_t> character_offsets2;
character_offsets2.push_back(20); // 0
character_offsets2.push_back(40); // 1
inline_text2.AddIntListAttribute(
ax::mojom::IntListAttribute::kCharacterOffsets, character_offsets2);
std::unique_ptr<BrowserAccessibilityManager> manager(
BrowserAccessibilityManager::Create(
MakeAXTreeUpdate(root, div, static_text1, img, static_text2,
inline_text1, inline_text2),
test_browser_accessibility_delegate_.get()));
BrowserAccessibility* root_accessible = manager->GetRoot();
ASSERT_NE(nullptr, root_accessible);
BrowserAccessibility* div_accessible = root_accessible->PlatformGetChild(0);
ASSERT_NE(nullptr, div_accessible);
EXPECT_EQ(gfx::Rect(100, 100, 20, 20).ToString(),
div_accessible
->GetRootFrameHypertextRangeBoundsRect(
0, 1, ui::AXClippingBehavior::kUnclipped)
.ToString());
EXPECT_EQ(gfx::Rect(100, 100, 40, 20).ToString(),
div_accessible
->GetRootFrameHypertextRangeBoundsRect(
0, 2, ui::AXClippingBehavior::kUnclipped)
.ToString());
EXPECT_EQ(gfx::Rect(100, 100, 80, 20).ToString(),
div_accessible
->GetRootFrameHypertextRangeBoundsRect(
0, 4, ui::AXClippingBehavior::kUnclipped)
.ToString());
EXPECT_EQ(gfx::Rect(120, 100, 60, 20).ToString(),
div_accessible
->GetRootFrameHypertextRangeBoundsRect(
1, 3, ui::AXClippingBehavior::kUnclipped)
.ToString());
EXPECT_EQ(gfx::Rect(120, 100, 80, 20).ToString(),
div_accessible
->GetRootFrameHypertextRangeBoundsRect(
1, 4, ui::AXClippingBehavior::kUnclipped)
.ToString());
EXPECT_EQ(gfx::Rect(100, 100, 100, 20).ToString(),
div_accessible
->GetRootFrameHypertextRangeBoundsRect(
0, 5, ui::AXClippingBehavior::kUnclipped)
.ToString());
}
#endif // defined(OS_WIN) || BUILDFLAG(USE_ATK)
TEST_F(BrowserAccessibilityManagerTest, TestNextPreviousInTreeOrder) {
ui::AXNodeData root;
root.id = 1;
root.role = ax::mojom::Role::kRootWebArea;
ui::AXNodeData node2;
node2.id = 2;
root.child_ids.push_back(2);
ui::AXNodeData node3;
node3.id = 3;
root.child_ids.push_back(3);
ui::AXNodeData node4;
node4.id = 4;
node3.child_ids.push_back(4);
ui::AXNodeData node5;
node5.id = 5;
root.child_ids.push_back(5);
std::unique_ptr<BrowserAccessibilityManager> manager(
BrowserAccessibilityManager::Create(
MakeAXTreeUpdate(root, node2, node3, node4, node5),
test_browser_accessibility_delegate_.get()));
BrowserAccessibility* root_accessible = manager->GetRoot();
ASSERT_NE(nullptr, root_accessible);
ASSERT_EQ(3U, root_accessible->PlatformChildCount());
BrowserAccessibility* node2_accessible = root_accessible->PlatformGetChild(0);
ASSERT_NE(nullptr, node2_accessible);
BrowserAccessibility* node3_accessible = root_accessible->PlatformGetChild(1);
ASSERT_NE(nullptr, node3_accessible);
ASSERT_EQ(1U, node3_accessible->PlatformChildCount());
BrowserAccessibility* node4_accessible =
node3_accessible->PlatformGetChild(0);
ASSERT_NE(nullptr, node4_accessible);
BrowserAccessibility* node5_accessible = root_accessible->PlatformGetChild(2);
ASSERT_NE(nullptr, node5_accessible);
EXPECT_EQ(nullptr, manager->NextInTreeOrder(nullptr));
EXPECT_EQ(node2_accessible, manager->NextInTreeOrder(root_accessible));
EXPECT_EQ(node3_accessible, manager->NextInTreeOrder(node2_accessible));
EXPECT_EQ(node4_accessible, manager->NextInTreeOrder(node3_accessible));
EXPECT_EQ(node5_accessible, manager->NextInTreeOrder(node4_accessible));
EXPECT_EQ(nullptr, manager->NextInTreeOrder(node5_accessible));
EXPECT_EQ(nullptr, manager->PreviousInTreeOrder(nullptr, false));
EXPECT_EQ(node4_accessible,
manager->PreviousInTreeOrder(node5_accessible, false));
EXPECT_EQ(node3_accessible,
manager->PreviousInTreeOrder(node4_accessible, false));
EXPECT_EQ(node2_accessible,
manager->PreviousInTreeOrder(node3_accessible, false));
EXPECT_EQ(root_accessible,
manager->PreviousInTreeOrder(node2_accessible, false));
EXPECT_EQ(nullptr, manager->PreviousInTreeOrder(root_accessible, false));
EXPECT_EQ(nullptr, manager->PreviousInTreeOrder(nullptr, true));
EXPECT_EQ(node4_accessible,
manager->PreviousInTreeOrder(node5_accessible, true));
EXPECT_EQ(node3_accessible,
manager->PreviousInTreeOrder(node4_accessible, true));
EXPECT_EQ(node2_accessible,
manager->PreviousInTreeOrder(node3_accessible, true));
EXPECT_EQ(root_accessible,
manager->PreviousInTreeOrder(node2_accessible, true));
EXPECT_EQ(node5_accessible,
manager->PreviousInTreeOrder(root_accessible, true));
EXPECT_EQ(ax::mojom::TreeOrder::kEqual,
BrowserAccessibilityManager::CompareNodes(*root_accessible,
*root_accessible));
EXPECT_EQ(ax::mojom::TreeOrder::kBefore,
BrowserAccessibilityManager::CompareNodes(*node2_accessible,
*node3_accessible));
EXPECT_EQ(ax::mojom::TreeOrder::kAfter,
BrowserAccessibilityManager::CompareNodes(*node3_accessible,
*node2_accessible));
EXPECT_EQ(ax::mojom::TreeOrder::kBefore,
BrowserAccessibilityManager::CompareNodes(*node2_accessible,
*node4_accessible));
EXPECT_EQ(ax::mojom::TreeOrder::kAfter,
BrowserAccessibilityManager::CompareNodes(*node4_accessible,
*node2_accessible));
EXPECT_EQ(ax::mojom::TreeOrder::kBefore,
BrowserAccessibilityManager::CompareNodes(*node3_accessible,
*node4_accessible));
EXPECT_EQ(ax::mojom::TreeOrder::kAfter,
BrowserAccessibilityManager::CompareNodes(*node4_accessible,
*node3_accessible));
EXPECT_EQ(ax::mojom::TreeOrder::kBefore,
BrowserAccessibilityManager::CompareNodes(*root_accessible,
*node2_accessible));
EXPECT_EQ(ax::mojom::TreeOrder::kAfter,
BrowserAccessibilityManager::CompareNodes(*node2_accessible,
*root_accessible));
}
TEST_F(BrowserAccessibilityManagerTest, TestNextNonDescendantInTreeOrder) {
ui::AXNodeData root;
root.id = 1;
root.role = ax::mojom::Role::kRootWebArea;
ui::AXNodeData node2;
node2.id = 2;
root.child_ids.push_back(2);
ui::AXNodeData node3;
node3.id = 3;
root.child_ids.push_back(3);
ui::AXNodeData node4;
node4.id = 4;
node3.child_ids.push_back(4);
ui::AXNodeData node5;
node5.id = 5;
root.child_ids.push_back(5);
std::unique_ptr<BrowserAccessibilityManager> manager(
BrowserAccessibilityManager::Create(
MakeAXTreeUpdate(root, node2, node3, node4, node5),
test_browser_accessibility_delegate_.get()));
BrowserAccessibility* root_accessible = manager->GetRoot();
ASSERT_NE(nullptr, root_accessible);
ASSERT_EQ(3U, root_accessible->PlatformChildCount());
BrowserAccessibility* node2_accessible = root_accessible->PlatformGetChild(0);
ASSERT_NE(nullptr, node2_accessible);
BrowserAccessibility* node3_accessible = root_accessible->PlatformGetChild(1);
ASSERT_NE(nullptr, node3_accessible);
ASSERT_EQ(1U, node3_accessible->PlatformChildCount());
BrowserAccessibility* node4_accessible =
node3_accessible->PlatformGetChild(0);
ASSERT_NE(nullptr, node4_accessible);
BrowserAccessibility* node5_accessible = root_accessible->PlatformGetChild(2);
ASSERT_NE(nullptr, node5_accessible);
EXPECT_EQ(nullptr, manager->NextNonDescendantInTreeOrder(nullptr));
EXPECT_EQ(node2_accessible, manager->NextInTreeOrder(root_accessible));
EXPECT_EQ(node3_accessible,
manager->NextNonDescendantInTreeOrder(node2_accessible));
EXPECT_EQ(node5_accessible,
manager->NextNonDescendantInTreeOrder(node3_accessible));
EXPECT_EQ(nullptr, manager->NextNonDescendantInTreeOrder(node5_accessible));
}
TEST_F(BrowserAccessibilityManagerTest, TestNextPreviousTextOnlyObject) {
ui::AXNodeData root;
root.id = 1;
root.role = ax::mojom::Role::kRootWebArea;
ui::AXNodeData node2;
node2.id = 2;
root.child_ids.push_back(2);
ui::AXNodeData text1;
text1.id = 3;
text1.role = ax::mojom::Role::kStaticText;
root.child_ids.push_back(3);
ui::AXNodeData node3;
node3.id = 4;
root.child_ids.push_back(4);
ui::AXNodeData text2;
text2.id = 5;
text2.role = ax::mojom::Role::kStaticText;
node3.child_ids.push_back(5);
ui::AXNodeData node4;
node4.id = 6;
node3.child_ids.push_back(6);
ui::AXNodeData text3;
text3.id = 7;
text3.role = ax::mojom::Role::kStaticText;
node3.child_ids.push_back(7);
ui::AXNodeData node5;
node5.id = 8;
node5.role = ax::mojom::Role::kGenericContainer;
root.child_ids.push_back(8);
ui::AXNodeData text4;
text4.id = 9;
text4.role = ax::mojom::Role::kLineBreak;
node5.child_ids.push_back(9);
ui::AXNodeData link;
link.id = 10;
link.role = ax::mojom::Role::kLink;
node5.child_ids.push_back(10);
std::unique_ptr<BrowserAccessibilityManager> manager(
BrowserAccessibilityManager::Create(
MakeAXTreeUpdate(root, node2, node3, node4, node5, text1, text2,
text3, text4, link),
test_browser_accessibility_delegate_.get()));
BrowserAccessibility* root_accessible = manager->GetRoot();
ASSERT_NE(nullptr, root_accessible);
ASSERT_EQ(4U, root_accessible->PlatformChildCount());
BrowserAccessibility* node2_accessible = root_accessible->PlatformGetChild(0);
ASSERT_NE(nullptr, node2_accessible);
BrowserAccessibility* text1_accessible = root_accessible->PlatformGetChild(1);
ASSERT_NE(nullptr, text1_accessible);
BrowserAccessibility* node3_accessible = root_accessible->PlatformGetChild(2);
ASSERT_NE(nullptr, node3_accessible);
ASSERT_EQ(3U, node3_accessible->PlatformChildCount());
BrowserAccessibility* text2_accessible =
node3_accessible->PlatformGetChild(0);
ASSERT_NE(nullptr, text2_accessible);
BrowserAccessibility* node4_accessible =
node3_accessible->PlatformGetChild(1);
ASSERT_NE(nullptr, node4_accessible);
BrowserAccessibility* text3_accessible =
node3_accessible->PlatformGetChild(2);
ASSERT_NE(nullptr, text3_accessible);
BrowserAccessibility* node5_accessible = root_accessible->PlatformGetChild(3);
ASSERT_NE(nullptr, node5_accessible);
ASSERT_EQ(2U, node5_accessible->PlatformChildCount());
BrowserAccessibility* text4_accessible =
node5_accessible->PlatformGetChild(0);
ASSERT_NE(nullptr, text4_accessible);
EXPECT_EQ(nullptr, manager->NextTextOnlyObject(nullptr));
EXPECT_EQ(text1_accessible, manager->NextTextOnlyObject(root_accessible));
EXPECT_EQ(text1_accessible, manager->NextTextOnlyObject(node2_accessible));
EXPECT_EQ(text2_accessible, manager->NextTextOnlyObject(text1_accessible));
EXPECT_EQ(text2_accessible, manager->NextTextOnlyObject(node3_accessible));
EXPECT_EQ(text3_accessible, manager->NextTextOnlyObject(text2_accessible));
EXPECT_EQ(text3_accessible, manager->NextTextOnlyObject(node4_accessible));
EXPECT_EQ(text4_accessible, manager->NextTextOnlyObject(text3_accessible));
EXPECT_EQ(text4_accessible, manager->NextTextOnlyObject(node5_accessible));
EXPECT_EQ(nullptr, manager->NextTextOnlyObject(text4_accessible));
EXPECT_EQ(nullptr, manager->PreviousTextOnlyObject(nullptr));
EXPECT_EQ(text3_accessible,
manager->PreviousTextOnlyObject(text4_accessible));
EXPECT_EQ(text3_accessible,
manager->PreviousTextOnlyObject(node5_accessible));
EXPECT_EQ(text2_accessible,
manager->PreviousTextOnlyObject(text3_accessible));
EXPECT_EQ(text2_accessible,
manager->PreviousTextOnlyObject(node4_accessible));
EXPECT_EQ(text1_accessible,
manager->PreviousTextOnlyObject(text2_accessible));
EXPECT_EQ(text1_accessible,
manager->PreviousTextOnlyObject(node3_accessible));
EXPECT_EQ(nullptr, manager->PreviousTextOnlyObject(node2_accessible));
EXPECT_EQ(nullptr, manager->PreviousTextOnlyObject(root_accessible));
}
// This test depends on hypertext, which is only used on
// Linux and Windows.
#if defined(OS_WIN) || BUILDFLAG(USE_ATK)
TEST_F(BrowserAccessibilityManagerTest, TestFindIndicesInCommonParent) {
ui::AXNodeData root;
root.id = 1;
root.role = ax::mojom::Role::kRootWebArea;
ui::AXNodeData div;
div.id = 2;
div.role = ax::mojom::Role::kGenericContainer;
root.child_ids.push_back(div.id);
ui::AXNodeData button;
button.id = 3;
button.role = ax::mojom::Role::kButton;
div.child_ids.push_back(button.id);
ui::AXNodeData button_text;
button_text.id = 4;
button_text.role = ax::mojom::Role::kStaticText;
button_text.SetName("Button");
button.child_ids.push_back(button_text.id);
ui::AXNodeData line_break;
line_break.id = 5;
line_break.role = ax::mojom::Role::kLineBreak;
line_break.SetName("\n");
div.child_ids.push_back(line_break.id);
ui::AXNodeData paragraph;
paragraph.id = 6;
paragraph.role = ax::mojom::Role::kParagraph;
root.child_ids.push_back(paragraph.id);
ui::AXNodeData paragraph_text;
paragraph_text.id = 7;
paragraph_text.role = ax::mojom::Role::kStaticText;
paragraph.child_ids.push_back(paragraph_text.id);
ui::AXNodeData paragraph_line1;
paragraph_line1.id = 8;
paragraph_line1.role = ax::mojom::Role::kInlineTextBox;
paragraph_line1.SetName("Hello ");
paragraph_text.child_ids.push_back(paragraph_line1.id);
ui::AXNodeData paragraph_line2;
paragraph_line2.id = 9;
paragraph_line2.role = ax::mojom::Role::kInlineTextBox;
paragraph_line2.SetName("world.");
paragraph_text.child_ids.push_back(paragraph_line2.id);
std::unique_ptr<BrowserAccessibilityManager> manager(
BrowserAccessibilityManager::Create(
MakeAXTreeUpdate(root, div, button, button_text, line_break,
paragraph, paragraph_text, paragraph_line1,
paragraph_line2),
test_browser_accessibility_delegate_.get()));
BrowserAccessibility* root_accessible = manager->GetRoot();
ASSERT_NE(nullptr, root_accessible);
ASSERT_EQ(2U, root_accessible->PlatformChildCount());
BrowserAccessibility* div_accessible = root_accessible->PlatformGetChild(0);
ASSERT_NE(nullptr, div_accessible);
ASSERT_EQ(2U, div_accessible->PlatformChildCount());
BrowserAccessibility* button_accessible = div_accessible->PlatformGetChild(0);
ASSERT_NE(nullptr, button_accessible);
BrowserAccessibility* button_text_accessible =
button_accessible->PlatformGetChild(0);
ASSERT_NE(nullptr, button_text_accessible);
BrowserAccessibility* line_break_accessible =
div_accessible->PlatformGetChild(1);
ASSERT_NE(nullptr, line_break_accessible);
BrowserAccessibility* paragraph_accessible =
root_accessible->PlatformGetChild(1);
ASSERT_NE(nullptr, paragraph_accessible);
BrowserAccessibility* paragraph_text_accessible =
paragraph_accessible->PlatformGetChild(0);
ASSERT_NE(nullptr, paragraph_text_accessible);
ASSERT_EQ(2U, paragraph_text_accessible->InternalChildCount());
BrowserAccessibility* paragraph_line1_accessible =
paragraph_text_accessible->InternalGetChild(0);
ASSERT_NE(nullptr, paragraph_line1_accessible);
BrowserAccessibility* paragraph_line2_accessible =
paragraph_text_accessible->InternalGetChild(1);
ASSERT_NE(nullptr, paragraph_line2_accessible);
BrowserAccessibility* common_parent = nullptr;
int child_index1, child_index2;
EXPECT_FALSE(BrowserAccessibilityManager::FindIndicesInCommonParent(
*root_accessible, *root_accessible, &common_parent, &child_index1,
&child_index2));
EXPECT_EQ(nullptr, common_parent);
EXPECT_EQ(-1, child_index1);
EXPECT_EQ(-1, child_index2);
EXPECT_TRUE(BrowserAccessibilityManager::FindIndicesInCommonParent(
*div_accessible, *paragraph_accessible, &common_parent, &child_index1,
&child_index2));
EXPECT_EQ(root_accessible, common_parent);
EXPECT_EQ(0, child_index1);
EXPECT_EQ(1, child_index2);
EXPECT_TRUE(BrowserAccessibilityManager::FindIndicesInCommonParent(
*div_accessible, *paragraph_line1_accessible, &common_parent,
&child_index1, &child_index2));
EXPECT_EQ(root_accessible, common_parent);
EXPECT_EQ(0, child_index1);
EXPECT_EQ(1, child_index2);
EXPECT_TRUE(BrowserAccessibilityManager::FindIndicesInCommonParent(
*line_break_accessible, *paragraph_text_accessible, &common_parent,
&child_index1, &child_index2));
EXPECT_EQ(root_accessible, common_parent);
EXPECT_EQ(0, child_index1);
EXPECT_EQ(1, child_index2);
EXPECT_TRUE(BrowserAccessibilityManager::FindIndicesInCommonParent(
*button_text_accessible, *line_break_accessible, &common_parent,
&child_index1, &child_index2));
EXPECT_EQ(div_accessible, common_parent);
EXPECT_EQ(0, child_index1);
EXPECT_EQ(1, child_index2);
EXPECT_TRUE(BrowserAccessibilityManager::FindIndicesInCommonParent(
*paragraph_accessible, *paragraph_line2_accessible, &common_parent,
&child_index1, &child_index2));
EXPECT_EQ(root_accessible, common_parent);
EXPECT_EQ(1, child_index1);
EXPECT_EQ(1, child_index2);
EXPECT_TRUE(BrowserAccessibilityManager::FindIndicesInCommonParent(
*paragraph_text_accessible, *paragraph_line1_accessible, &common_parent,
&child_index1, &child_index2));
EXPECT_EQ(paragraph_accessible, common_parent);
EXPECT_EQ(0, child_index1);
EXPECT_EQ(0, child_index2);
EXPECT_TRUE(BrowserAccessibilityManager::FindIndicesInCommonParent(
*paragraph_line1_accessible, *paragraph_line2_accessible, &common_parent,
&child_index1, &child_index2));
EXPECT_EQ(paragraph_text_accessible, common_parent);
EXPECT_EQ(0, child_index1);
EXPECT_EQ(1, child_index2);
}
#endif // defined(OS_WIN) || BUILDFLAG(USE_ATK)
// This test depends on hypertext, which is only used on
// Linux and Windows.
#if defined(OS_WIN) || BUILDFLAG(USE_ATK)
TEST_F(BrowserAccessibilityManagerTest, TestGetTextForRange) {
ui::AXNodeData root;
root.id = 1;
root.role = ax::mojom::Role::kRootWebArea;
ui::AXNodeData div;
div.id = 2;
div.role = ax::mojom::Role::kGenericContainer;
root.child_ids.push_back(div.id);
ui::AXNodeData button;
button.id = 3;
button.role = ax::mojom::Role::kButton;
div.child_ids.push_back(button.id);
ui::AXNodeData button_text;
button_text.id = 4;
button_text.role = ax::mojom::Role::kStaticText;
button_text.SetName("Button");
button.child_ids.push_back(button_text.id);
ui::AXNodeData container;
container.id = 5;
container.role = ax::mojom::Role::kGenericContainer;
div.child_ids.push_back(container.id);
ui::AXNodeData container_text;
container_text.id = 6;
container_text.role = ax::mojom::Role::kStaticText;
container_text.SetName("Text");
container.child_ids.push_back(container_text.id);
ui::AXNodeData line_break;
line_break.id = 7;
line_break.role = ax::mojom::Role::kLineBreak;
line_break.SetName("\n");
div.child_ids.push_back(line_break.id);
ui::AXNodeData paragraph;
paragraph.id = 8;
paragraph.role = ax::mojom::Role::kParagraph;
root.child_ids.push_back(paragraph.id);
ui::AXNodeData paragraph_text;
paragraph_text.id = 9;
paragraph_text.role = ax::mojom::Role::kStaticText;
paragraph_text.SetName("Hello world.");
paragraph.child_ids.push_back(paragraph_text.id);
ui::AXNodeData paragraph_line1;
paragraph_line1.id = 10;
paragraph_line1.role = ax::mojom::Role::kInlineTextBox;
paragraph_line1.SetName("Hello ");
paragraph_text.child_ids.push_back(paragraph_line1.id);
ui::AXNodeData paragraph_line2;
paragraph_line2.id = 11;
paragraph_line2.role = ax::mojom::Role::kInlineTextBox;
paragraph_line2.SetName("world.");
paragraph_text.child_ids.push_back(paragraph_line2.id);
std::unique_ptr<BrowserAccessibilityManager> manager(
BrowserAccessibilityManager::Create(
MakeAXTreeUpdate(root, div, button, button_text, container,
container_text, line_break, paragraph,
paragraph_text, paragraph_line1, paragraph_line2),
test_browser_accessibility_delegate_.get()));
BrowserAccessibility* root_accessible = manager->GetRoot();
ASSERT_NE(nullptr, root_accessible);
ASSERT_EQ(2U, root_accessible->PlatformChildCount());
BrowserAccessibility* div_accessible = root_accessible->PlatformGetChild(0);
ASSERT_NE(nullptr, div_accessible);
ASSERT_EQ(3U, div_accessible->PlatformChildCount());
BrowserAccessibility* button_accessible = div_accessible->PlatformGetChild(0);
ASSERT_NE(nullptr, button_accessible);
BrowserAccessibility* button_text_accessible =
button_accessible->PlatformGetChild(0);
ASSERT_NE(nullptr, button_text_accessible);
BrowserAccessibility* container_accessible =
div_accessible->PlatformGetChild(1);
ASSERT_NE(nullptr, container_accessible);
BrowserAccessibility* container_text_accessible =
container_accessible->PlatformGetChild(0);
ASSERT_NE(nullptr, container_text_accessible);
BrowserAccessibility* line_break_accessible =
div_accessible->PlatformGetChild(2);
ASSERT_NE(nullptr, line_break_accessible);
BrowserAccessibility* paragraph_accessible =
root_accessible->PlatformGetChild(1);
ASSERT_NE(nullptr, paragraph_accessible);
BrowserAccessibility* paragraph_text_accessible =
paragraph_accessible->PlatformGetChild(0);
ASSERT_NE(nullptr, paragraph_text_accessible);
ASSERT_EQ(2U, paragraph_text_accessible->InternalChildCount());
BrowserAccessibility* paragraph_line1_accessible =
paragraph_text_accessible->InternalGetChild(0);
ASSERT_NE(nullptr, paragraph_line1_accessible);
BrowserAccessibility* paragraph_line2_accessible =
paragraph_text_accessible->InternalGetChild(1);
ASSERT_NE(nullptr, paragraph_line2_accessible);
std::vector<const BrowserAccessibility*> text_only_objects =
BrowserAccessibilityManager::FindTextOnlyObjectsInRange(*root_accessible,
*root_accessible);
EXPECT_EQ(3U, text_only_objects.size());
EXPECT_EQ(container_text_accessible, text_only_objects[0]);
EXPECT_EQ(line_break_accessible, text_only_objects[1]);
EXPECT_EQ(paragraph_text_accessible, text_only_objects[2]);
text_only_objects = BrowserAccessibilityManager::FindTextOnlyObjectsInRange(
*div_accessible, *paragraph_accessible);
EXPECT_EQ(3U, text_only_objects.size());
EXPECT_EQ(container_text_accessible, text_only_objects[0]);
EXPECT_EQ(line_break_accessible, text_only_objects[1]);
EXPECT_EQ(paragraph_text_accessible, text_only_objects[2]);
EXPECT_EQ(base::ASCIIToUTF16("Text\nHello world."),
BrowserAccessibilityManager::GetTextForRange(*root_accessible, 0,
*root_accessible, 16));
EXPECT_EQ(base::ASCIIToUTF16("xt\nHello world."),
BrowserAccessibilityManager::GetTextForRange(*root_accessible, 2,
*root_accessible, 12));
EXPECT_EQ(base::ASCIIToUTF16("Text\nHello world."),
BrowserAccessibilityManager::GetTextForRange(
*div_accessible, 0, *paragraph_accessible, 12));
EXPECT_EQ(base::ASCIIToUTF16("xt\nHello world."),
BrowserAccessibilityManager::GetTextForRange(
*div_accessible, 2, *paragraph_accessible, 12));
EXPECT_EQ(base::ASCIIToUTF16("Text\n"),
BrowserAccessibilityManager::GetTextForRange(*div_accessible, 0,
*div_accessible, 4));
EXPECT_EQ(base::ASCIIToUTF16("Text\n"),
BrowserAccessibilityManager::GetTextForRange(
*button_accessible, 0, *line_break_accessible, 4));
EXPECT_EQ(base::ASCIIToUTF16("Hello world."),
BrowserAccessibilityManager::GetTextForRange(
*paragraph_accessible, 0, *paragraph_accessible, 12));
EXPECT_EQ(base::ASCIIToUTF16("Hello wor"),
BrowserAccessibilityManager::GetTextForRange(
*paragraph_accessible, 0, *paragraph_accessible, 9));
EXPECT_EQ(base::ASCIIToUTF16("Hello world."),
BrowserAccessibilityManager::GetTextForRange(
*paragraph_text_accessible, 0, *paragraph_text_accessible, 12));
EXPECT_EQ(base::ASCIIToUTF16(" world."),
BrowserAccessibilityManager::GetTextForRange(
*paragraph_text_accessible, 5, *paragraph_text_accessible, 12));
EXPECT_EQ(base::ASCIIToUTF16("Hello world."),
BrowserAccessibilityManager::GetTextForRange(
*paragraph_accessible, 0, *paragraph_text_accessible, 12));
EXPECT_EQ(
base::ASCIIToUTF16("Hello "),
BrowserAccessibilityManager::GetTextForRange(
*paragraph_line1_accessible, 0, *paragraph_line1_accessible, 6));
EXPECT_EQ(
base::ASCIIToUTF16("Hello"),
BrowserAccessibilityManager::GetTextForRange(
*paragraph_line1_accessible, 0, *paragraph_line1_accessible, 5));
EXPECT_EQ(
base::ASCIIToUTF16("ello "),
BrowserAccessibilityManager::GetTextForRange(
*paragraph_line1_accessible, 1, *paragraph_line1_accessible, 6));
EXPECT_EQ(
base::ASCIIToUTF16("world."),
BrowserAccessibilityManager::GetTextForRange(
*paragraph_line2_accessible, 0, *paragraph_line2_accessible, 6));
EXPECT_EQ(
base::ASCIIToUTF16("orld"),
BrowserAccessibilityManager::GetTextForRange(
*paragraph_line2_accessible, 1, *paragraph_line2_accessible, 5));
EXPECT_EQ(
base::ASCIIToUTF16("Hello world."),
BrowserAccessibilityManager::GetTextForRange(
*paragraph_line1_accessible, 0, *paragraph_line2_accessible, 6));
// Start and end positions could be reversed.
EXPECT_EQ(
base::ASCIIToUTF16("Hello world."),
BrowserAccessibilityManager::GetTextForRange(
*paragraph_line2_accessible, 6, *paragraph_line1_accessible, 0));
}
#endif // defined(OS_WIN) || BUILDFLAG(USE_ATK)
TEST_F(BrowserAccessibilityManagerTest, DeletingFocusedNodeDoesNotCrash) {
// Create a really simple tree with one root node and one focused child.
ui::AXNodeData root;
root.id = 1;
root.role = ax::mojom::Role::kRootWebArea;
root.child_ids.push_back(2);
ui::AXNodeData node2;
node2.id = 2;
ui::AXTreeUpdate initial_state = MakeAXTreeUpdate(root, node2);
initial_state.has_tree_data = true;
initial_state.tree_data.focus_id = 2;
std::unique_ptr<BrowserAccessibilityManager> manager(
BrowserAccessibilityManager::Create(
initial_state, test_browser_accessibility_delegate_.get()));
EXPECT_EQ(1, manager->GetRoot()->GetId());
ASSERT_NE(nullptr, manager->GetFocus());
EXPECT_EQ(2, manager->GetFocus()->GetId());
// Now replace the tree with a new tree consisting of a single root.
ui::AXNodeData root2;
root2.id = 3;
root2.role = ax::mojom::Role::kRootWebArea;
AXEventNotificationDetails events2;
events2.updates.resize(1);
events2.updates[0] = MakeAXTreeUpdate(root2);
ASSERT_TRUE(manager->OnAccessibilityEvents(events2));
// Make sure that the focused node was updated to the new root and
// that this doesn't crash.
EXPECT_EQ(3, manager->GetRoot()->GetId());
ASSERT_NE(nullptr, manager->GetFocus());
EXPECT_EQ(3, manager->GetFocus()->GetId());
}
TEST_F(BrowserAccessibilityManagerTest, DeletingFocusedNodeDoesNotCrash2) {
// Create a really simple tree with one root node and one focused child.
ui::AXNodeData root;
root.id = 1;
root.role = ax::mojom::Role::kRootWebArea;
root.child_ids.push_back(2);
root.child_ids.push_back(3);
root.child_ids.push_back(4);
ui::AXNodeData node2;
node2.id = 2;
ui::AXNodeData node3;
node3.id = 3;
ui::AXNodeData node4;
node4.id = 4;
ui::AXTreeUpdate initial_state = MakeAXTreeUpdate(root, node2, node3, node4);
initial_state.has_tree_data = true;
initial_state.tree_data.focus_id = 2;
std::unique_ptr<BrowserAccessibilityManager> manager(
BrowserAccessibilityManager::Create(
initial_state, test_browser_accessibility_delegate_.get()));
EXPECT_EQ(1, manager->GetRoot()->GetId());
ASSERT_NE(nullptr, manager->GetFocus());
EXPECT_EQ(2, manager->GetFocus()->GetId());
// Now replace the tree with a new tree consisting of a single root.
ui::AXNodeData root2;
root2.id = 3;
root2.role = ax::mojom::Role::kRootWebArea;
// Make an update the explicitly clears the previous root.
AXEventNotificationDetails events2;
events2.updates.resize(1);
events2.updates[0] = MakeAXTreeUpdate(root2);
events2.updates[0].node_id_to_clear = 1;
ASSERT_TRUE(manager->OnAccessibilityEvents(events2));
// Make sure that the focused node was updated to the new root and
// that this doesn't crash.
EXPECT_EQ(3, manager->GetRoot()->GetId());
ASSERT_NE(nullptr, manager->GetFocus());
EXPECT_EQ(3, manager->GetFocus()->GetId());
}
TEST_F(BrowserAccessibilityManagerTest, TreeUpdatesAreMergedWhenPossible) {
ui::AXTreeUpdate tree;
tree.root_id = 1;
tree.nodes.resize(4);
tree.nodes[0].id = 1;
tree.nodes[0].role = ax::mojom::Role::kMenu;
tree.nodes[0].child_ids = {2, 3, 4};
tree.nodes[1].id = 2;
tree.nodes[1].role = ax::mojom::Role::kMenuItem;
tree.nodes[2].id = 3;
tree.nodes[2].role = ax::mojom::Role::kMenuItemCheckBox;
tree.nodes[3].id = 4;
tree.nodes[3].role = ax::mojom::Role::kMenuItemRadio;
std::unique_ptr<BrowserAccessibilityManager> manager(
BrowserAccessibilityManager::Create(
tree, test_browser_accessibility_delegate_.get()));
CountingAXTreeObserver observer;
manager->ax_tree()->AddObserver(&observer);
// Update each of the children using separate AXTreeUpdates.
AXEventNotificationDetails events;
events.updates.resize(3);
for (int i = 0; i < 3; i++) {
ui::AXTreeUpdate update;
update.root_id = 1;
update.nodes.resize(1);
update.nodes[0].id = 2 + i;
events.updates[i] = update;
}
events.updates[0].nodes[0].role = ax::mojom::Role::kMenuItemCheckBox;
events.updates[1].nodes[0].role = ax::mojom::Role::kMenuItemRadio;
events.updates[2].nodes[0].role = ax::mojom::Role::kMenuItem;
ASSERT_TRUE(manager->OnAccessibilityEvents(events));
// These should have been merged into a single tree update.
EXPECT_EQ(1, observer.update_count());
EXPECT_EQ(ax::mojom::Role::kMenuItemCheckBox,
manager->GetFromID(2)->GetRole());
EXPECT_EQ(ax::mojom::Role::kMenuItemRadio, manager->GetFromID(3)->GetRole());
EXPECT_EQ(ax::mojom::Role::kMenuItem, manager->GetFromID(4)->GetRole());
// Remove the observer before the manager is destroyed.
manager->ax_tree()->RemoveObserver(&observer);
}
TEST_F(BrowserAccessibilityManagerTest, TestHitTestScaled) {
// We're creating two linked trees, each of which has two nodes; first create
// the child tree's nodes & tree-update.
ui::AXNodeData child_root;
child_root.id = 1;
child_root.role = ax::mojom::Role::kRootWebArea;
child_root.SetName("child_root");
child_root.relative_bounds.bounds = gfx::RectF(0, 0, 100, 100);
child_root.child_ids = {2};
ui::AXNodeData child_child;
child_child.id = 2;
child_child.role = ax::mojom::Role::kGenericContainer;
child_child.SetName("child_child");
child_child.relative_bounds.bounds = gfx::RectF(0, 0, 100, 100);
ui::AXTreeUpdate child_update = MakeAXTreeUpdate(child_root, child_child);
// Next, create the parent tree's nodes and tree-update, with kChildTreeId
// pointing to the child tree.
ui::AXNodeData parent_root;
parent_root.id = 1;
parent_root.role = ax::mojom::Role::kRootWebArea;
parent_root.SetName("parent_root");
parent_root.relative_bounds.bounds = gfx::RectF(0, 0, 200, 200);
parent_root.child_ids = {2, 3};
ui::AXNodeData parent_child;
parent_child.id = 2;
parent_child.role = ax::mojom::Role::kGenericContainer;
parent_child.SetName("parent_child");
parent_child.relative_bounds.bounds = gfx::RectF(0, 0, 100, 100);
ui::AXNodeData parent_childtree;
parent_childtree.id = 3;
parent_childtree.AddStringAttribute(
ax::mojom::StringAttribute::kChildTreeId,
child_update.tree_data.tree_id.ToString());
parent_childtree.SetName("parent_childtree");
parent_childtree.relative_bounds.bounds = gfx::RectF(100, 100, 100, 100);
ui::AXTreeUpdate parent_update =
MakeAXTreeUpdate(parent_root, parent_child, parent_childtree);
// Link the child tree to its parent.
child_update.tree_data.parent_tree_id = parent_update.tree_data.tree_id;
// Create the two managers.
std::unique_ptr<BrowserAccessibilityManager> parent_manager(
BrowserAccessibilityManager::Create(
parent_update, test_browser_accessibility_delegate_.get()));
std::unique_ptr<BrowserAccessibilityManager> child_manager(
BrowserAccessibilityManager::Create(
child_update, test_browser_accessibility_delegate_.get()));
// Verify that they're properly connected.
ASSERT_EQ(parent_manager.get(), child_manager->GetRootManager());
// Set scaling factor for testing to be 200%
parent_manager->UseCustomDeviceScaleFactorForTesting(2.0f);
child_manager->UseCustomDeviceScaleFactorForTesting(2.0f);
// Run the hit-test; we should get the same result regardless of whether we
// start from the parent_manager or the child_manager.
auto* hittest1 = parent_manager->CachingAsyncHitTest(gfx::Point(75, 75));
ASSERT_NE(nullptr, hittest1);
ASSERT_EQ("parent_child", hittest1->GetData().GetStringAttribute(
ax::mojom::StringAttribute::kName));
auto* hittest2 = child_manager->CachingAsyncHitTest(gfx::Point(75, 75));
ASSERT_NE(nullptr, hittest2);
ASSERT_EQ("parent_child", hittest2->GetData().GetStringAttribute(
ax::mojom::StringAttribute::kName));
}
TEST_F(BrowserAccessibilityManagerTest, TestShouldFireEventForNode) {
ui::AXNodeData inline_text;
inline_text.id = 1111;
inline_text.role = ax::mojom::Role::kInlineTextBox;
inline_text.SetName("One two three.");
ui::AXNodeData text;
text.id = 111;
text.role = ax::mojom::Role::kStaticText;
text.SetName("One two three.");
text.child_ids = {inline_text.id};
ui::AXNodeData paragraph;
paragraph.id = 11;
paragraph.role = ax::mojom::Role::kParagraph;
paragraph.child_ids = {text.id};
ui::AXNodeData root;
root.id = 1;
root.role = ax::mojom::Role::kRootWebArea;
root.child_ids = {paragraph.id};
std::unique_ptr<BrowserAccessibilityManager> manager(
BrowserAccessibilityManager::Create(
MakeAXTreeUpdate(root, paragraph, text, inline_text),
test_browser_accessibility_delegate_.get()));
EXPECT_TRUE(manager->ShouldFireEventForNode(manager->GetFromID(1)));
EXPECT_TRUE(manager->ShouldFireEventForNode(manager->GetFromID(11)));
EXPECT_TRUE(manager->ShouldFireEventForNode(manager->GetFromID(111)));
#if defined(OS_ANDROID)
// On Android, ShouldFireEventForNode walks up the ancestor that's a leaf node
// node and the event is fired on the updated target.
EXPECT_TRUE(manager->ShouldFireEventForNode(manager->GetFromID(1111)));
#else
EXPECT_FALSE(manager->ShouldFireEventForNode(manager->GetFromID(1111)));
#endif
}
TEST_F(BrowserAccessibilityManagerTest, NestedChildRoot) {
ui::AXNodeData root;
root.id = 1;
root.role = ax::mojom::Role::kRootWebArea;
ui::AXNodeData popup_button;
popup_button.id = 2;
popup_button.role = ax::mojom::Role::kPopUpButton;
root.child_ids.push_back(2);
ui::AXNodeData child_tree_root;
child_tree_root.id = 3;
child_tree_root.role = ax::mojom::Role::kRootWebArea;
root.child_ids.push_back(3);
std::unique_ptr<BrowserAccessibilityManager> manager(
BrowserAccessibilityManager::Create(
MakeAXTreeUpdate(root, popup_button, child_tree_root),
test_browser_accessibility_delegate_.get()));
ASSERT_NE(manager->GetPopupRoot(), nullptr);
EXPECT_EQ(manager->GetPopupRoot()->GetId(), 3);
// Update tree to change the role of the nested child root, add new child root
// in same update.
child_tree_root.role = ax::mojom::Role::kGroup;
ui::AXNodeData second_child_tree_root;
second_child_tree_root.id = 4;
second_child_tree_root.role = ax::mojom::Role::kRootWebArea;
root.child_ids.push_back(4);
manager->Initialize(
MakeAXTreeUpdate(root, child_tree_root, second_child_tree_root));
ASSERT_NE(manager->GetPopupRoot(), nullptr);
EXPECT_EQ(manager->GetPopupRoot()->GetId(), 4);
// Update tree to change the role of the nested child root, so that there is
// no longer any nested child root.
second_child_tree_root.role = ax::mojom::Role::kGroup;
manager->Initialize(MakeAXTreeUpdate(second_child_tree_root));
EXPECT_EQ(manager->GetPopupRoot(), nullptr);
// Test deleting child root.
// First, ensure a child root exists.
second_child_tree_root.role = ax::mojom::Role::kRootWebArea;
manager->Initialize(MakeAXTreeUpdate(second_child_tree_root));
ASSERT_NE(manager->GetPopupRoot(), nullptr);
EXPECT_EQ(manager->GetPopupRoot()->GetId(), 4);
// Now remove the child root from the tree.
root.child_ids = {2, 3};
manager->Initialize(MakeAXTreeUpdate(root));
EXPECT_EQ(manager->GetPopupRoot(), nullptr);
}
} // namespace content